TW463404B - Forming method of protection coating for battery safety valve element, battery safety valve element with protection coating coated, battery sealed plate using the battery safety valve element and closed type battery using battery sealed plate - Google Patents

Abstract

To provide prevention of corrosion on the metal part of a safety valve element used to prevent from rupture of sealed type battery, forming method of protection coating for battery safety valve element, battery safety valve element with protection coating coated, battery sealed plate using the battery safety valve element and sealed type battery using the same. On the one side of the outside of battery container with battery safety valve element is equipped with organic resin coating, wherein the battery safety valve element is composed of a metal substrate equipped with through hole and metal foil being laminated on the substrate to close the said through hole. Or the battery safety valve element composed of a metal substrate with through hole equipped and a metal foil laminated on the substrate to close the through hole is against to the sealed plate of outer case of the battery that is equipped with through hole as valve opening of safety valve to allow the through hole of metal substrate of the battery safety valve element and through hole of said sealed plate connecting. Using adhesive means to adhere these two through holes at the surrounding of through hole of said sealed plate, coat organic resin coating on one side of outer side of the battery container of the battery safety valve element to get protection coating for battery safety valve element.

Description

4 6 34 ο 4 V. Description of the invention (1) Technology to which the invention belongs The present invention relates to a protective film for a battery safety valve element for preventing corrosion of a metal part of a safety valve element used to prevent cracking of a sealed battery Forming method, battery safety valve element ',' which has been covered and protected, and sealed battery using the safety valve element. The conventional technology ^ uses sealed batteries that are used as positive and negative electrodes are being widely used. These batteries are indispensable to prevent the reaction between alkali metals and moisture in the atmosphere to form a sealed structure. However, by using a completely sealed structure, the battery is exposed to high temperatures and used incorrectly when charged and discharged. When 'then', the battery :: The force will rise abnormally, and the battery will have a phenomenon. At this time, when the internal force of the battery rises abnormally, in order to release the internal pressure to the outside of the battery, it is being revealed that it has explosion-proof function or Sealing plate for battery of safety valve. For example, Japanese Shikaihei No. 5-8402 No. 5 discloses a sealed battery provided with a vent hole on a positive terminal constituting a battery sealing plate, and an anti-welded case. Safety device. The electric sealing plate destroys the explosion-proof metal foil when the internal pressure of the battery has risen, and releases the internal pressure of the battery through the vent hole provided in the positive terminal. The problem to be solved by the invention In the case of electricity and liquid to the battery container, there may be electrolysis on the battery capacity and the outside. In particular, in the case of clock ion batteries: non-aqueous electrolytes with lithium fluoride as the supporting electrolyte are used for electrolysis.

4 6 34 0 4

V. Description of the invention (2) 22. However, the non-aqueous electrolyte is a metal material that does not corrode the battery container or safety valve element in the battery container. However, in the atmosphere, the above-mentioned fluorine compounds will absorb Water becomes fluoric acid, which is highly corrosive. Therefore, as described above, the electrolyte splashes, and if it is attached to the outside of the battery container 'especially when it is on the metal foil of the safety valve element', the metal will be corroded, and the thin metal foil will have a problem of perforation due to corrosion. .

The invention relates to a method for forming a protective film for a battery safety valve element, which is provided with a protective film on the outer surface of a battery container for a battery safety valve element, and prevents the metal part from being rotten. Element, battery sealing plate using the safety valve element, and sealed battery using the sealing plate. The method adopted to solve the problem is to apply a method for forming a protective film for a battery safety valve element in the scope of patent application No. 1 by laminating a metal substrate through a through hole and enabling the through hole to be blocked. It is characterized in that an organic resin layer is provided on one side of the outer side of the battery container of the battery safety valve element made of metal foil.

The method for forming a protective coating according to item 2 of the scope of patent application is to use a metal substrate that has passed through a through hole and a metal safety foil element laminated on the substrate to block the through hole, to a positive side. It is characterized in that an organic resin layer is provided on one surface of the outer side of the battery container that closes the through hole of the metal foil. The method for forming a protective film in the scope of patent application No. 3 is based on

4 6 34〇4 V. Description of the invention (3) Metal substrate that has penetrated through-holes and a safety valve element for a battery made of metal that is laminated on the substrate like a through-hole to close the through-holes. The sealing plate for the outer battery of the battery which has become the through hole of the valve port of the safety valve, and the through hole of the metal substrate of the battery angle safety valve element and the through hole of the sealing plate are quickly passed through the sealing plate. It is characterized in that an organic resin layer is provided on the outer surface of the battery container serving as the safety valve element for the battery described above by using a bonding means around the holes to bond the two.

The method for forming a protective film according to item 4 of the scope of patent application is a safety valve element for a battery formed by a metal substrate through which a through-hole has been penetrated and a metal foil laminated on the substrate to enable blocking of the through-hole. A sealing plate for a battery exterior can that is connected to a through hole that has become a valve port of a safety valve, and a through hole of a metal substrate of the foregoing safety valve element for the battery communicates with the through hole of the sealing plate. Adhesive devices are used around the through-holes of the plate to connect the two, and then an organic resin is provided on one side of the outer side of the battery container that is a portion of the through-holes of the metal foil that is closing the battery safety valve element. Layer is characteristic. The method of forming a captivity for protection of item 5 in range 1 is characterized by the above-mentioned receiver slave as a laser beam fusion.

• The protective film formation method of item 6 of the mouth-to-bill range is to be placed on one side of the outer side of the battery container of the two full-valve valve elements; it can be dissolved by heating to make it safe. Valve element: After that, it is cooled and solidified by cooling means, and the aforementioned organic tree is set)

Page 9 463404, description of the invention (4) The method for forming a protective film according to item 7 of the scope of patent application is for the battery valve outside of the part of the battery valley that is the part of the safety valve element that positively closes the through hole of the metal foil. The organic resin particles are placed on one side, and are melted by heating to cause the safety valve element to flow on the entire surface, and then cooled and solidified by cooling means to provide the organic resin layer. The method for forming a protective coating according to item 8 of the patent application is characterized in that the aforementioned organic resin particles are polypropylene particles or polyethylene particles. The method for forming a protective coating according to item 9 of the patent No. 4 is characterized in that the aforementioned organic resin particles are paraffin particles. The safety valve element for a battery in the scope of the patent application No. 10 is a battery safety made of a metal foil on a substrate as described above, which is made of a metal substrate that has been perforated with perforated shells and enables the aforementioned through hole to be blocked. The valve element is characterized in that it is covered with a protective film on one side on the outer side of the battery valleyr. The battery safety valve element of the scope of the patent application No. 11 is a battery safety valve formed by laminating a metal substrate with a through-hole and a metal foil on the substrate described above, which is capable of blocking the aforementioned through-hole. The element is closed on one side on the outer side of the battery container of the part of the metal hole in the metal case, and is covered with a protective film. The battery safety valve element of the scope of application patent No. 12 is based on the aforementioned protective film for placing organic resin particles on one side of the outside of the battery container which becomes the safety valve element. After the aforesaid women's full valve element is fully flowed, it is characterized by cooling and solidifying the organic resin layer provided by cooling means. The safety valve element for batteries stated in item 13 of the patent scope is based on the aforementioned

Page 丨 463404 V. Description of the invention (5) The resin particles whose protective film is the aforementioned through hole at $ are characterized by flowing through the mining surface. The method for forming a patent application is characterized by its characteristics. Shenqing patent Fan organic resin granules are Shi Shenqing patent Fan becomes the valve of the safety valve to apply for the scope of patent application i make the aforementioned battery through the hole through the hole connected with the through hole of the patent application to become the valve of the safety valve _ 箸 make the aforementioned through The completed safety valve element < through-hole and the aforementioned anchor are formed so that the aforementioned becomes a safety film for a battery. The outer side of the battery container, which is the front safety valve element, is closed by heating, and the front side of the battery safety valve provided by the cold section is cooled and solidified by the cold section means. The aforementioned organic resin particles are polypropylene. The wax particles of item 15 are characterized by the through-holes of the mouth of item 16 and the safety valve elements of items 10 to 5 are used to close the through-holes of the mouth of item 17 that follow the two. Any metal means to make the electric protection film of the through-valve element of the above-mentioned sealing plate to form a battery for a battery into a battery for a special battery to be laminated; The sealing board of the container is sealed with the electrical substrate of the tank item. The sealing plate outer can is placed on the metal foil on one side of the outer piece opposite to the safety valve, and the organic film layer or polyethylene particles of the organic resin layer element on which the safety valve element is fully placed is used as the method. 'It is based on the perforated universal sealing plate, the perforated safety valve element is used for perforation, and the aforementioned seal is applied to the aforementioned sealing plate. It is based on the metal substrate of the metal foil element on the top substrate of the perforated general sealing plate. Then the two methods are used to form a guarantee on one side.

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4 6 34 Ο 4 V. Description of the invention (6) The sealing plate for a battery with the scope of patent application No. 18 is a protective film forming party of any of the scope of the 6th to 9th of the scope of the patent and features the aforementioned protective film. The sealing plate for batteries of the scope of application for patent No. 19 is characterized by laser beam welding. The sealed battery of the scope of application for patent No. 20 is an electrode body composed of ^ spacers, which is received with the electrolyte at the same time as the inside of the can. It is held within the inner periphery of the opening of the battery can. The battery j according to any one of the items 16 to 19 is formed by plugging the opening of the battery exterior can. Embodiments of the Invention The following is a description of the present invention, including a battery safety valve and a protective film for a battery safety valve (Embodiment 1). The first and second figures show the present invention. A cross-sectional view of an example of a protective safety valve element. In these two figures, the outer side of the battery container is illustrated. The safety valve element 10 of the ten shown in FIG. I is attached to one side of the outer side of the battery container that becomes the metal substrate 1 having the safety valve 4, and four of them are in the pre-laminated metal foil 2 The gold on the layered body 5 ”is applied in the form of“ t-shape ”above the surface of the battery that forms the film that can be embedded in a sealing plate and covered with a protective film forming method by adhering the positive electrode and the negative electrode outside the battery. The perforation of the valve opening is like blocking through the foil 2 4 6 340 4 V. Description of the invention (7) ^ ^ Protected, membrane 3. In the case shown in FIG. 2, the safety valve element 10 is formed on one side of the inside of the battery container of the metal substrate 1 having the through hole 4 of the valve opening of the entire valve. One side of the laminated body 5 of the pre-laminated metal foil 2 that becomes the battery container of the metal substrate 1 and the side wall portion of the through hole 4 through the metal substrate 1 and the perforation of the metal foil 2 that is currently closed ^ A protective film 3 is formed on the part. That is, the protective film 3 is entirely covered with the recesses formed by the through holes 4 and the metal foil 2 formed in the metal substrate 1 and is connected to the protective film 3 coated on the metal substrate 1. . -f 3 is a cross-sectional view showing another example of safety for a battery covered with a protective film of the present invention. As shown in FIG. 3, the safety device of the present invention ^ a = piece 10 is attached to the single side of the inner side of the battery container, which is a metal hole 2 which becomes a through hole 4 having a valve opening of a safety valve. The through-hole 4 can be closed. The pre-laminated laminated body 5 is empty, and the protective film 3 is formed only on the part ^ where the hole 4 of the metal foil 21 is closed. τ, f t: Each battery safety valve element 10 ′, which is the object of the present invention, is manufactured by 4 t t of the hole. Firstly, a plurality of through-holes 4 serving as valve openings have been passed through one side of the kappa and osteogenic two-strip metal substrate 1, and a metal foil 2 is laminated to make it closed 0: through; use: 4 and make long scale Band-shaped laminate 5. The through hole 4 is a circle with a diameter of 10_, but an ellipse or phase with a long diameter of 10_: straight! Polygons of different sizes are also available. The penetrating hole 4 is thin enough to form a line of one person's width (for example, a penetrating hole with a geometric pattern of a figure described by a straight line or a curve. It can also be arranged in a grid pattern or a zigzag pattern.

Page 13 463404 V. Description of invention (8) and other geometric forms are suitable. The pitch between the through holes 4 is appropriately selected according to the size of the safety valve member. The through-hole 4 is a thin plate made by cold rolling using a common punching method such as a punching machine or etching. As described above, the metal substrate 1 and the metal box 2 through which the through-holes 4 are passed are cold-welded in a vacuum by a method described in Japanese Patent Application Laid-Open No. 224 1 84, for example. That is, after the surfaces of the metal substrate 1 and the metal foil 2 which have been laminated with each other are sputter-treated and activated in an etching chamber, cold-press welding is performed in a rolling unit provided in a vacuum tank. In this way, a long-scale belt-shaped laminate 5 according to the present invention can be produced. Secondly, using a punching punch to punch such that the long-scale strip-shaped laminate contains at least one pre-penetrated through hole, etc., it is possible to produce a plurality of individual battery safety valve elements 10. In the embodiment shown in Fig. 1, the outer surface of the battery container, which is the metal foil 2 of the laminated body 5 of the safety valve element 10 for each battery thus manufactured, is covered with an organic resin layer as a whole to form a protective film 3. In the embodiment shown in FIG. 2, the outer side surface of the battery container of the metal substrate 1 that is the laminate 5 of the battery safety valve element 10 and the side wall portion of the through hole 4 that has been passed through the metal substrate 1. And a portion of the through hole 4 that is currently closing the metal foil 2 is covered with an organic resin layer to form a protective film 3. In the embodiment shown in FIG. 3, the organic resin layer is coated on the portion of the metal foil 2 of the through hole 4 on the metal substrate 1 of the laminated body 5 of the safety valve element 10 for battery that is positively closed to form a protective film. 3. As for the aforementioned metal substrate 1, steel plate, stainless steel plate, copper plate, aluminum

Page 14 463404 V. Description of the invention (9) --- Any one of the boards is and. 03 ～ 2. Omm 、 referably 0, Okh 5mm 〇 ”, the safety valve element for the battery of the present invention should be lower than 20kg_ under low plant movements. It is appropriate that the thickness of the metal box used is 5 ~ 15㈣. If it is less than one: = applicable to In the case of a safety valve such as a battery, it will be broken by the impact of a fall, etc.].-If it exceeds 150_, even if it is: metal, it is suitable for the situation of safety, at 30k— to = force. Cracking, due to high-voltage load, began to break, the battery box was cracked, the fragments were scattered, and the electrolyte was sprayed and splashed, damaged, and safety. Also, the cost of "the aforementioned metal foil 2 is unfavorable" It is better to use any one of steel foil, no, mi n _, and ferroalloy. Furthermore, the electrolyte that is pre-filled in the battery box is stable, as long as a large amount of reactive gas that will corrode, etc., No matter which metal foil is used, in addition to the above-mentioned foils, zinc, lead, brass, phosphor bronze, Metal foils made of copper alloys such as military copper, elephant alloys, and indium alloys such as Duraiumin can also be used. Second, in the present invention, the batteries shown in the first to third figures described above are shown in FIG. The organic resin layer with the protective film 3 of the female valve element is placed on the portion covered with the organic resin layer of the metal substrate 1 or the metal foil 2 and the organic resin particles are placed on the coated surface by heating to melt the entire surface. After the flow, it can be formed by using cooling hands and cooling and solidification. As for the heating and cooling means, it is possible to use the air supply of the hot air heater or cold air cooler,

Page 463404

Page 16 463404

V. Description of the Invention (π) (Example 2) As shown in this drawing to FIG. 6 prepared in the manner described above, it is attached to the through hole 4 and the battery 1 on the sealing plate 6 for a battery exterior can that has been worn through 7. The outer tank can be used, and the laser beam welding method is used. Fig. 4 shows a case where the first sealing plate for the battery outer can is provided, and the sealing plate for the outer can shown in Figs. 2 and 3 is shown. The safety valve element i of the invention, such as the fourth through, becomes the through hole of the valve opening of the safety valve, so that the through hole 7 of the metal substrate sealing plate 6 of the safety valve element 10 is abutted to the continuous connecting means followed by the through hole 7 The structure shown in the weekly diagram is connected with the safety valve element. Figures 5 and 6 show the structure of the safety valve element bonding to the battery. The bonding method is not limited to the laser beam welding method described above. 浐 Thermosetting resin based adhesive, thermoplastic resin based adhesive, and rubber adhesive. As long as the necessary bonding strength can be obtained, no matter what bonding method is used. Figures 4 to 6 show the metal substrate of the safety valve element 10 on the one of the ^ _ perforations 7 of the sealing plate 6 for a battery outer can! One through hole 4 ^ is connected to the connected state and connected, but the metal base working through hole 4 of the safety valve element 10 is made on one of the through holes 7 of the battery outer can / sealing plate 6 It can be connected to a plurality of connected shapes and then connected. As for the aforementioned sealing plate, the same as the aforementioned metal substrate is preferably any one of a steel plate, a stainless steel plate, a steel plate, and a name plate. 5mm。 The thickness of the plate from the point of view of strength and economy, and further from the point of view of the ease of adhesion to the metal substrate, usually 0. 〇3 ~ 2. Omm, more preferably 0. 05 ~ 1. 5mm.

46340 4 V. Description of the invention (12) (Embodiment 3) The 'sealing plate for battery exterior cans which has been subsequently covered with the safety valve element for battery protection of the present invention' is shown in Figure 7 (a) and (1)) can also be produced. That is, as shown in FIG. 7 (3), 'the battery is formed by the metal substrate 1 which has been pierced through \ the perforation 4 and the metal box 2 which is laminated on the shell 1-like the through hole 4 is closed. The safety valve element 10 is installed outside the battery through the through hole γ that has become the valve port of the safety valve. The perforated through-hole 7 of the metal substrate 1 is communicated with each other. After the two of the through-hole 7 of the sealing plate 6 are connected, as shown in FIG. 7 (b), it also includes the two connecting parts for the battery. Take the safety valve element of __ blasting tank with dart blaster = cover: so that the metal foil of the perforated part of the occluded shell and the connection part of Shi You are used to protect the coating #laser ° path out of the laser beam melting solution Corrosion and perforation of metal parts. Highly corrosive electricity (Example 4) Figures 4 to 7 are made by inserting a safety valve element 10 having the same outer diameter as the diameter into the hole in the sealing plate 6 to make a safety valve. Element i π The through hole 7 of the plate 6 and the through hole 4 of the structural substrate 1 communicating with the through hole 7 of the plate 6 are as large as the through hole 7 of the sealing plate 6 as shown in FIG. 8. Large-diameter safety valve element 10 is superimposed on

页 Page 18 463404 V. Description of the invention (13) :: _ ^ 6 丨: The staff will follow to the safety valve element 1. The metal substrate 1 Γ can communicate with the through hole 7 of the plate 6. The female is covered with the protective film of the present invention, and the battery outer packaging can sealing plate for the protective film produced by the above method is made into an electrode body composed of a positive electrode, a negative electrode, and a separator, and the battery liquid can be received at the same time. The inner periphery of the opening portion of the battery exterior can is disclosed, and the sealed battery of the present invention can be obtained by closing the opening portion of the battery exterior can. EFFECT OF THE INVENTION The present invention relates to a single surface of a 7G battery container for a battery, which is a safety container for a battery made of a metal substrate that has passed through a through hole and a metal foil laminated on the substrate so that the through hole can be closed. In the above, a method for forming a protective film for a safety valve element for a battery characterized by providing an organic resin layer is provided, and a protective film for a safety valve element for a battery manufactured by such a method for forming a protective film. In addition, the present invention is a sealing plate for a battery exterior can that is passed through to form a through hole serving as a valve port of a safety valve, and the through hole and the sealing plate of the above-mentioned battery safety valve element are connected to the metal substrate of the battery safety valve element. The through holes are opposite, and the battery sealing plate formed by bonding the two around the through hole of the sealing plate with 5 means is adopted, and the battery sealing plate is used to make it possible to support the positive electrode, The electrode body toilet electrolyte composed of the negative electrode and the separator is simultaneously housed in the inner periphery of the opening of the battery outer can, and is a sealed battery formed by the opening of the battery outer can. In the sealed battery that has adopted the sealed α plate of the present invention, a lithium-containing fluorine compound is used as a supporting electrolyte. 'Although there is no rotten money inside the battery container, the metal material constituting the battery container or the safety valve element', but the fluorine compound will be in the atmosphere. Absorb water from the atmosphere

Page 19, 463404 V. Description of the invention (14) Divided into it, it becomes hydrogen, which makes the non-aqueous electrolyte with strong thorny spininess 贱 · sparse ', even if it is attached to the metal foil on the outside of the battery container, especially the Anjin valve element There will be a protective coating on the metal foil, so the thin metal foil has no phenomenon of perforation due to corrosion. Brief Description of the Drawings Fig. 1 is a schematic cross-sectional view showing an example of a safety valve element for a battery covered with the protective film of the present invention. FIG. 2 is a schematic cross-sectional view showing another example of a battery safety valve element covered with the protective film of the present invention. Β FIG. 3 is a schematic cross-sectional view showing another example of a battery safety valve element covered with the protective film of the present invention. Illustration. Fig. 4 is a schematic cross-sectional view showing an example of a battery sealing plate to which the battery safety valve element of the present invention is attached. Fig. 5 is a schematic cross-sectional view showing another example of a battery sealing plate to which the battery safety element of the present invention is attached. Fig. 6 is a schematic cross-sectional view showing another example of the battery sealing plate for the battery full valve element of the present invention. Fig. 7 (a) is a schematic cross-sectional view showing an example of a battery sealing plate for a battery safety valve element before being covered with a protective film; (b) is a battery safety valve element after being covered with a protective film of the present invention A schematic cross-sectional view of an example of a sealing plate for a battery. Fig. 8 is a schematic cross-sectional view showing another example of a battery sealing plate to which the safety valve element for a battery of the present invention is attached.

Page 463404

Claims (1)

Ί 4 6 3404 Attachment-Qi Nian ) 6. Application for patent scope il '' Application for patent scope amendment (August 7, 2010) 1. A method for forming a protective film for a safety valve element for a battery, which is characterized by a metal substrate that has passed through a through hole, and An organic resin layer can be provided on one side of the outer side of the battery container of the battery safety element made of the metal foil laminated on the substrate, which is generally penetrated. 2. —Protection of a safety valve element for batteries A method for forming a film, which is characterized in that a metal substrate that has passed through a through hole, and a battery safety valve element that is formed by laminating a metal foil on the substrate like the through hole to block the through of the metal foil is blocked. An organic resin layer is provided on one side of the battery container outside the hole portion. 3. A method for forming a protective film for a safety valve element for a battery, which is characterized by a metal substrate that has passed through the through hole and enables blocking. The battery safety valve element for the battery, which is formed by laminating the metal foil on the substrate like the aforementioned through hole, is connected to the battery outer crack can that has become the through hole of the valve port of the safety valve. On the sealing plate, the metal substrate ^ through hole of the battery safety valve element is communicated with the through hole of the sealing plate, 'on the periphery of the through hole of the sealing plate ^ using the bonding method to make the two after An organic resin layer is provided on one side of the battery ^ safety valve element on the outer side of the battery valley device. 4. A method for forming a protective film for a battery safety valve element, which is characterized by a metal substrate that has passed through a through hole, and The safety valve element for a battery can be closed by blocking the aforementioned through hole and laminated with a metal foil on the substrate. 46340 4 VI. Scope of patent application ------- to the sealing plate for battery exterior cans which has become the through hole of the valve port of the safety valve-to the through hole of the metal substrate of the safety valve element for the battery It communicates with the through hole of the front v-sealing plate, and uses an f-contact device around the through-hole of the front-sealing plate. An organic resin layer is provided on one side of the battery container on the outer side of the battery container in the through-hole portion of the metal foil of the safety valve element. 5 "If the patent application scope item 3 or item 4 of the battery safety valve element protection method, the aforementioned film formation method, wherein the aforementioned bonding means is laser beam welding. 6. For the method of forming a protective film for a battery safety element according to the scope of the patent application item 丨 or 3, the organic resin particles are placed on one side of the outer side of the battery container that becomes the safety valve element, by After the heating means is used to melt and the safety valve element is fully flowed, the cooling means is cooled and solidified by the cooling means to provide the organic resin layer. 7. The method for forming a protective film for a safety valve element for a battery, such as the item 2 or 4 of the scope of application for a patent, is for the battery container which becomes the part of the safety valve element that is closing the through hole of the metal foil. The organic resin particles are placed on the outer side on one side. The organic resin layer is obtained by resolving the organic resin particles by heating to flow the entire safety valve element, and then cooling and solidifying by cooling. 8 Protective film for safety valve element for battery, such as the scope of patent application No. 6 9! 030 Preliminary Examination Letter Revision-TYJP.i > td page 24 463404 6. The method for forming a patent application, wherein the aforementioned organic resin particles are polypropylene particles or polyethylene particles. 9. The method for forming a protective film for a safety valve element for a battery according to item 7 of the application, wherein the aforementioned organic resin particles are paraffin particles. 1 0 · —A battery safety valve element is a battery safety valve element made of a metal substrate that has passed through a through hole and a metal foil that is laminated on the substrate like a through hole just described. The outer surface of the battery container is covered with a protective sheet. 11. A safety valve element for a battery, which is a positive occlusion of a safety valve element for a battery made of a metal substrate that has passed through a through hole and a metal foil laminated on the substrate to enable the through hole to be blocked. One side of the outer side of the battery container that covers the through-hole of the metal foil is covered with a protective film. 1 2. The safety valve element for a battery, as described in item J 0 in the patent scope, wherein the protective film is a single unit of organic resin particles placed on the outside of the battery container that becomes the safety valve element, and is melted by heating. After the components of the front maid are fully flown, the organic resin layer provided by the cooling means is cooled and solidified. 1 3 · As stated in the patent claim, the protective coating is the battery safety valve element for Yucheng \ # ^, where front and Cheng1 are the aforementioned metal of the aforementioned safety valve element for positive occlusion. 91030 Letter of First Examination-TYJP.ptd Page 25 463404 463404 6. The single-sided, organic resin pellets on the outside of the battery container of the aforementioned through-hole portion of the scope of the patent application are melted using heating means to be planted in the above-mentioned safe soil-after full flow, 'cooling and solidification using cooling means All set components are obsolete. β organic resin 1 4. As described in the battery safety application No. 12 or 13 of the scope of patent application, the organic resin particles are polypropylene particles or polyethylene particles. 70 pieces ′ which 15. The aforementioned organic resin particles are paraffin particles as described in the battery safety item No. 2 or 13 of the scope of patent application. & Bull 'It 16, a battery sealing plate' is a battery safety plate for battery exterior cans that has been penetrated through the through hole, and is connected to the safety of the battery of any one of the valve ports 10 to 15 The yoke surrounds the through hole of the metal base plate of the first element, and the two are connected with the foregoing. Around the perforation of the plate 1 7. —A sealing plate for batteries, which is passed through for safety The through-hole sealing plate for battery exterior cans ±, the top connection 1 is pre-laminated and laminated on the above-mentioned substrate Jinyue, 'L shell perforated 5 arrows, f L ^ safety valve element made of v white The through hole of the metal substrate of the full-port valve element and the foregoing: The periphery of the through hole of the mouth plate is followed by the two, which makes it safe for batteries; 46340 4 VI. Scope of patent application ------- The battery of components is handed over. „, 35 is formed by forming a protective film on one side of the outer side. 18. If a patent is applied for, please apply for a patent for Fan Yuan 筮 R ’s battery sealing plate 'to use the protective film applied for the aforementioned protection sleeve 1 The formation method 'makes the shape unsuccessful. 1 9. If you apply for the special brake # # 16 or 17 of the battery sealing plate, which is a laser beam welding. 20. The sealed electric electrode body is housed in the battery outer tank at the same time as the door of the battery outer tank which is composed of the positive electrode, the negative electrode and the separator. DI is made into a battery sealing plate that can be used to support the scope of the patent application * ~ item and closes the opening of the outer battery can.