KR20220102232A - Electrode assembly laminating equipment with reduced defect rate and manufacturing method of electrode assembly thereby - Google Patents

Abstract

The present invention relates to an electrode assembly lamination device and a method for manufacturing an electrode assembly, and more specifically, to an electrode assembly lamination device and a method for manufacturing an electrode assembly, wherein the electrode assembly lamination device includes: a support unit in which a laminate including an electrode and a separator is disposed on the upper surface; an upper heater unit for heating the upper surface of the laminate disposed on the upper surface of the support unit; a lower heater unit for heating the lower surface of the laminate disposed on the upper surface of the support unit; a lamination unit that laminates the heated laminate while passing between the upper heater unit and the lower heater unit; and a lower moving unit that separates the lower heater unit from the support unit.

Description

Electrode assembly laminating equipment with reduced defect rate and manufacturing method of electrode assembly thereby, and electrode assembly laminating equipment with reduced defect rate and manufacturing method of electrode assembly thereby

The present invention relates to an electrode assembly lamination apparatus having a reduced defect rate and a method for manufacturing an electrode assembly thereby. Specifically, an electrode assembly lamination apparatus capable of reducing the defect rate due to lamination by cooling the electrode assembly by spraying gas toward the electrode assembly after the heater part is separated from the electrode assembly when the lamination apparatus is stopped, and an electrode assembly manufacturing method thereby is about

As the demand for mobile devices such as smartphones increases, the demand for secondary batteries used as their energy sources is increasing. Secondary batteries are also being applied to electric vehicles (EVs), hybrid electric vehicles (HEVs), plug-in hybrid electric vehicles (P-HEVs), and energy storage devices (ESSs).

The secondary battery may be classified according to the structure of the electrode assembly of the positive electrode/separator/negative electrode. Typically, a jelly-roll (winding type) electrode assembly having a structure in which long sheet-shaped positive electrodes and negative electrodes are wound with a separator interposed therebetween, a state in which a plurality of positive and negative electrodes cut into units of a predetermined size are interposed with a separator A stack-type (laminated) electrode assembly sequentially stacked with and a stack/folding type electrode assembly having a structure.

On the other hand, the secondary battery can be classified into a cylindrical battery, a prismatic battery, a pouch-type battery, etc. according to the shape. Among them, a pouch-type battery that can be stacked with a high degree of integration, has a high energy density per weight, and is easily deformable in shape, is attracting a lot of attention. The pouch-type battery means a battery in which the battery case is made of a laminate sheet, and has a structure in which an electrode assembly is built into the battery case.

On the other hand, the electrode assembly performs a lamination process to increase adhesion between the electrode and the separator, and a lamination device is used for the lamination process.

The lamination apparatus includes a transfer unit for transferring an electrode assembly in which electrodes and separators are alternately stacked, a heating unit for heating the transferred electrode assembly, and a pressing unit for increasing adhesion by rolling the heated electrode assembly.

The conventional lamination apparatus has a problem in that the heating unit continues to heat the electrode assembly even though the transfer unit is stopped, and thus the electrode assembly is deformed, resulting in product defects.

Patent Document 1 discloses a transfer member for transferring an electrode assembly; a support member for respectively supporting an upper surface and a lower surface of the electrode assembly transferred by the transfer member; a heating member provided outside the support member and heating the electrode assembly supported by the support member; and a lamination device having a moving member for moving the heating member in a direction away from the electrode assembly.

Patent Document 2 discloses a heater unit for heating the laminate when the laminate of the electrode and the separator passes through, a lamination apparatus for laminating the laminate heated while passing between the heater units, and the operation stop of the lamination unit When the heat transferred from the heater unit to the laminate is reduced or blocked, a moving unit that positions the laminate at a predetermined distance from the heater unit and air is sprayed between the laminate and the lower heater unit to form the laminate. Disclosed is an electrode assembly manufacturing apparatus including an air blower for cooling the sieve.

Patent Document 1 discloses a technique for cooling the electrode assembly by separating the heater for heating the electrode assembly when the electrode assembly lamination device is stopped, but there is a problem in that the electrode assembly is substantially continuously heated by the heated support member. Patent Document 2 discloses a technique for separating a heater unit for heating an electrode assembly when the electrode assembly lamination device is stopped and cooling the laminate using an air blower, but as the heated electrode assembly is moved, deformation in the electrode assembly itself is There is a problem that arises.

As such, when the lamination apparatus is stopped, an effective technique for rapidly cooling the electrode assembly and preventing deformation of the electrode assembly has not been proposed yet.

Republic of Korea Patent Publication No. 2019-0045602 ('Patent Document 1') Republic of Korea Patent Publication No. 2020-0058751 ('Patent Document 2')

The present invention is to solve the above problems, and when the electrode assembly lamination apparatus is stopped, an electrode assembly lamination apparatus with a reduced defect rate capable of preventing shape deformation of the electrode assembly while rapidly cooling the electrode assembly, and an electrode using the same An object of the present invention is to provide a method for manufacturing an assembly.

In addition, the present invention aims to provide an electrode assembly lamination apparatus having a reduced defect rate including an electrode assembly support portion capable of preventing the heated electrode assembly from being deformed by cooling gas injection, and an electrode assembly manufacturing method using the same.

In order to achieve the above object, the present invention provides a support part disposed on the top surface of a laminate including an electrode and a separator, an upper heater part for heating the top surface of the laminate disposed on the top surface of the support part, and the upper end of the support part A lower heater part for heating the lower surface of the laminate disposed on the surface, a lamination part for laminating the laminated body heated while passing between the upper heater part and the lower heater part, and a lower part for separating the lower heater part from the support part In the electrode assembly lamination apparatus including a moving part,

The support part includes a sheet part and a fixing part, and provides an electrode assembly lamination device to which one or more blowers for spraying gas are added between the laminate and the lower heater part and/or between the laminate and the upper heater part. do.

It may further include an upper moving part spaced apart from the upper heater part from the support part.

The upper moving part and the lower moving part may separate the upper heater part and/or the lower heater part from the support part when the lamination part stops operating.

The blower may be located adjacent to both ends of the upper heater unit and/or the lower heater unit.

The blower may be provided with a gas injection hole through which gas is injected, the gas injection hole may be disposed upward or downward at a predetermined angle, and may be injected between the upper heater part and the support part and/or between the lower heater part and the support part.

The sheet portion may be a Teflon sheet, and the fixing portion may be in the form of a wire.

When the operation of the lamination part is stopped, the upper heater part and/or the lower heater part are spaced apart from the support part, respectively, and may include a controller for operating the blower.

The electrode assembly manufacturing method according to the present invention is (s1) a heating step of heating by an upper heater part and a lower heater part while passing a laminate including an electrode and a separator to the upper end of the support part, (s2) heating by the step s1) It may include a lamination step of laminating while passing the laminated body through the lamination unit and (s3) a heating blocking step of stopping heating of the laminate when the operation of the lamination unit is stopped.

The heating blocking step may include separating the lower heater part from the support part.

The heating blocking step may include separating the upper heater part from the support part.

The heating blocking step may include a blowing step of spraying gas between the laminate and the lower heater unit and/or between the laminate and the upper heater unit.

The heating blocking step may include stopping the heating operation of the upper heater unit and/or the lower heater unit.

The present invention can also be provided as a possible combination capable of combining the means for solving the above problems.

The electrode assembly lamination apparatus according to the present invention can rapidly cool the electrode assembly by spraying a cooling gas while spaced apart a heating part that heats the electrode assembly when the lamination operation is stopped, thereby preventing contraction and deformation of the separator.

The electrode assembly lamination apparatus according to the present invention supports the electrode assembly using the novel support, thereby preventing the electrode assembly from being deformed due to the injection of the cooling gas.

The electrode assembly manufacturing method according to the present invention has an economical advantage because it can lower the defect rate of the electrode assembly with a simple configuration.

1 is a schematic diagram of an electrode assembly lamination apparatus 1000 according to a first embodiment of the present invention.
2 is a schematic diagram of an electrode assembly support according to a first embodiment of the present invention.
3 is an exploded perspective view of the electrode assembly support shown in FIG. 2 .
4 is a schematic view of an electrode assembly support according to a second embodiment of the present invention.
5 is a schematic diagram of an electrode assembly support according to a third embodiment of the present invention.

In the present application, terms such as "comprises", "have" or "include" are intended to designate that the features, numbers, steps, components, parts, or combinations thereof described in the specification exist, but one or more other It should be understood that this does not preclude the possibility of addition or presence of features or numbers, steps, operations, components, parts, or combinations thereof.

In addition, the same reference numerals are used throughout the drawings for parts having similar functions and functions. Throughout the specification, when it is said that a part is connected to another part, it includes not only a case in which it is directly connected, but also a case in which it is indirectly connected with another element interposed therebetween. In addition, the inclusion of a certain component does not exclude other components unless otherwise stated, but means that other components may be further included.

Hereinafter, a battery module according to the present invention will be described with reference to the accompanying drawings.

1 is a schematic diagram of an electrode assembly lamination apparatus 1000 according to a first embodiment of the present invention.

Referring to FIG. 1 , an electrode assembly lamination apparatus 1000 according to a first embodiment of the present invention includes a heater unit 100 for heating a laminate 10 , and a lamination unit 300 for laminating the laminate 10 . , the support part 200 on which the laminate 10 is disposed, the moving part 400 for moving the heater part 100 to be spaced apart from the support part 200 by a predetermined distance, and between the heater part 100 and the support part 200 . It may be configured to include a blower 500 for spraying the gas.

The electrode assembly lamination apparatus 1000 according to the first embodiment of the present invention is an apparatus for manufacturing an electrode assembly by laminating a stack 10 of alternately stacked electrodes and separators.

The electrode assembly is a power generating element capable of charging and discharging, and may be formed in an aggregated form by alternately stacking electrodes and separators. Here, the electrode may be composed of an anode and a cathode.

The laminate 10 according to the present invention may be formed by alternately stacking a positive electrode, a separator, and a negative electrode. In addition, the laminate 10 may be, for example, in a form in which a separator, a negative electrode, a separator, and a positive electrode are sequentially stacked. In addition, the laminate 10 may be in a form in which a separator, a negative electrode, a separator, and a positive electrode are sequentially stacked, and a protective film is further attached to the outermost both surfaces.

The positive electrode may include a positive electrode current collector and a positive electrode active material applied to the positive electrode current collector. The positive electrode current collector may be made of, for example, an aluminum foil, and the positive electrode active material may include, for example, lithium manganese oxide, lithium cobalt oxide, lithium nickel oxide, lithium iron phosphate, or at least one of these. It may consist of compounds and mixtures, and the like.

The negative electrode may include a negative electrode current collector and a negative electrode active material applied to the negative electrode current collector. The negative electrode current collector may be made of, for example, a foil made of a copper (Cu) or nickel (Ni) material. The negative active material may be made of, for example, artificial graphite, lithium metal, lithium alloy, carbon, petroleum coke, activated carbon, graphite, a silicon compound, a tin compound, a titanium compound, or an alloy thereof. In this case, the negative active material may further include, for example, non-graphite-based SiO (silica, silica) or SiC (silicon carbide, silicon carbide).

The separator may be made of an insulating material and a flexible material. In this case, the separator may be formed of, for example, a polyolefin-based resin film such as polyethylene or polypropylene having microporosity.

When the electrode and the separator are laminated, the laminate 10 further includes a protective film on the outermost upper and lower surfaces to prevent damage to the electrode and the separator when passing through the heater unit 100 and the lamination unit 300 . have.

Then, after the laminate 10 passes through the heater unit 100 and the lamination unit 300 , the protective films positioned on both surfaces of the laminate 10 may be removed.

In the present invention, the heater unit 100 may heat the laminate 10 when the laminate 10 of the electrode and the separator passes.

Also, the heater unit 100 includes an upper heater unit 110 and a lower heater unit 120 , and is laminated when the laminate 10 passes between the upper heater unit 110 and the lower heater unit 120 . The sieve 10 can be heated.

Here, the upper heater unit 110 and the lower heater unit 120 are spaced apart from the laminate 10 , and the laminate 10 is a supporting part located between the upper heater unit 110 and the lower heater unit 120 . It is heated while moving along the upper surface of (200). The upper heater unit 110 heats the upper surface of the laminate 10 positioned on the upper surface of the support unit 200 , and the lower heater unit 120 heats the support unit 200 supporting the laminate 10 . The lower surface of the laminate 10 may be heated.

The support part 200 is located between the upper heater part 110 and the lower heater part 120 , and the laminate 10 moves the upper surface of the support part 100 while moving the upper heater part 110 and the lower heater part 120 . ) is heated by The configuration of the support unit 200 will be described in detail with reference to FIGS. 2 to 4 .

The lamination unit 300 may laminate the laminate 10 heated while passing between the heater units 100 .

The lamination unit 300 includes a first lamination unit 310 and a second lamination unit 320 , and passes through the heated laminate 10 between the first lamination unit 310 and the second lamination unit 320 . and pressurized to attach the heated laminate 10 to each other.

The moving unit 400 moves the heater unit 100 away from the support unit 200 by a predetermined distance so that heat transferred from the heater unit 100 to the laminate 10 is reduced or blocked when the operation of the lamination unit 300 is stopped. can be positioned.

The moving unit 400 may include an upper moving unit 410 and a lower moving unit 420 , and the upper moving unit 410 may move the upper heater unit 110 from the supporting unit 200 upward. , the lower moving unit 420 may move the lower heater unit 120 downward from the support unit 200 .

Here, the upper moving unit 410 may include a cylinder (not shown) that moves the upper heater unit 110 upward to be spaced apart from the support unit 200 , and the lower moving unit 420 and the lower heater unit 120 are separated from each other. It may include a cylinder (not shown) that moves downward to be spaced apart from the support 200 . The cylinder may be composed of a pneumatic cylinder or a hydraulic cylinder.

The moving unit 400 may space the heater unit 100 away from the support unit 200 in which the laminate 10 is located, thereby reducing or blocking the transfer of heat from the heater unit 100 to the laminate 10 .

Also, the heating operation of the moved heater unit 100 may be stopped by a controller (not shown).

In FIG. 1 , two upper moving units 410 and one lower moving unit 420 are shown, but if the upper heater unit 110 and the lower heater unit 120 can be moved quickly and efficiently, the number of not limited

The blower 500 may cool the laminate 10 by spraying a gas into a space formed between the heater unit 100 and the support unit 200 spaced apart by the moving unit 400 . The blower 500 is a position where the front end of the support 200 is drawn into the support 200 in the direction in which the stack 10 moves and the stack 10 is drawn out from the support 200 in the direction in which the stack 10 moves. It may be located at the rear end of the phosphor support unit 200, respectively or at the same time.

In the present invention, one or more blowers 500 may be located at the front end or the rear end of the support 200, and the gas injection port (not shown) of the blower 500 is disposed upward or downward at a predetermined angle, and , between the upper heater part 110 and the support part 200 and/or between the lower heater part 120 and the support part 200 .

The gas is not heated, or at least one selected from the group consisting of air cooled to room temperature, or rather cooled to room temperature, an inert gas, or carbon dioxide that is not combusted. Alternatively, dry ice may be sprayed and the sprayed dry ice may be directly converted into gaseous carbon dioxide while being sprayed from the blower 500 . On the other hand, it is preferable that the gas does not contain moisture.

In the present invention, the gas injection port of the blower 500 may be positioned at a predetermined angle in the space between the support unit 200 and the heater unit 100, and preferably spaced apart in the lower direction by the lower moving unit 420. It may be located in a space formed between the lower heater unit 120 and the support unit 200 . When the gas is directly sprayed on the heated laminate 10 , it is advantageous to rapidly cool the laminate 10 to prevent shrinkage or deformation of the laminate 10 .

In addition, in the present invention, the heating operation of the heater unit 100 , the vertical movement operation of the moving unit 400 , and the gas injection operation of the blower 500 may be controlled by being connected to the control unit.

In the electrode assembly lamination apparatus according to the first embodiment of the present invention configured as described above, when the laminate 10 of the electrode and the separator is laminated by applying heat through the heater unit 100, the lamination unit 200 is stopped. , by moving the laminate 10 to be positioned at a distance from the heater unit 100 to prevent the laminate 10 from being continuously exposed to heat by the heater unit 100 to reduce or prevent the shrinkage of the separator. can

In addition, by injecting gas between the laminate 10 and the heater unit 100 to block the application of heat to the laminate 10, it is possible to prevent the contraction of the separator by cooling the laminate 10. .

FIG. 2 is a schematic diagram of an electrode assembly support part according to a first embodiment of the present invention, and FIG. 3 is an exploded perspective view of the electrode assembly support part shown in FIG. 2 .

The electrode assembly support part 200 according to the present invention may include a seat part 210 , a fixing part 220 , a shaft part 230 , and an elastic part 240 .

Here, the seat part 210 may be positioned on the upper end of the fixing part 220 in a flat state, the fixing part 220 is connected to the shaft part 230 , and the shaft part 230 is a front end of the heater part 100 . And it may be located at the rear end.

As the laminate 10 moves to the upper surface of the sheet unit 210 , it is heated by the heater unit 100 . In the present invention, the sheet portion 210 may be a single continuous Teflon sheet, has excellent heat resistance, does not adhere to the laminate 10 positioned on the top surface, and does not inhibit the movement of the laminate 10 . If it is a material, it will not specifically limit.

The sheet unit 210 may be positioned at the upper end of the fixing unit 220 to form a flat horizontal plane by the fixing unit 220 , and may support the stacked body 10 moving from the top surface. The fixing unit 220 according to the first embodiment of the present invention may be a pair of parallel wires. The pair of wires may be positioned adjacent to the edge of the sheet part 210 in the longitudinal direction (x-axis direction), and may be positioned adjacent to the outside of the heater part in the width direction (y-axis direction) of the heater part 100 . have. In addition, it is preferable that the width (y-axis direction) of the laminate 10 moving on the upper surface of the sheet part 210 is shorter than the distance between the pair of parallel wires. This is advantageous in preventing the laminate 10 from being deformed by the wire.

The fixing part 220 may be coupled to the sheet part 210 located on the top surface by adhesive or an additional coupling member (not shown).

Here, the fixing part 220 may be connected to the shaft part 230 located outside the heater part 100 in the longitudinal direction (x-axis direction) of the heater part 100 , and the fixing part 220 is the shaft part 230 . An elastic part 240 may be formed in an external extension direction of the end coupled to the . The elastic part 240 has a spring shape formed at the end part after the fixing part 220 is wound one or more times on the end of the shaft part 230, or is coupled to the shaft part 230 separately from the fixing part 220. It may be spring-shaped. The spring shape is an example of a form for maintaining elasticity, and if it can maintain elasticity, the shape is not limited thereto. For example, the spring may be arranged in an X shape, or a net shape may be used instead of the spring to maintain elasticity.

The material of the fixing part 220 and the elastic part 240 may be a shape memory alloy. This means that when the laminate 10 positioned on the upper surface of the support 200 is heated by the heater 100 , the support 200 also receives heat directly or indirectly from the heater 100 , and has a wire shape. The fixing part 220 of the may be expanded and loosened in the longitudinal direction (x-axis direction). Therefore, the sheet part 210 located on the top surface may also be distorted or wrinkled in a flat state, which may affect the laminate 10 moving on the top surface of the sheet part. Accordingly, the fixing part 220 and the elastic part 240 may be formed of a deformed memory alloy so as to maintain a flat state of the fixing part 220 and the seat part 210 even in a heating or cooling state. This is advantageous for maintaining a flat state in all states of cooling or heating of the fixing part 220 by being contracted or expanded according to a change in temperature, and is advantageous for maintaining a flat shape of the sheet as well as deformation of the laminate 10 moving the top surface. advantageous to prevent

The elastic part 240 may be positioned at one or more of the pair of fixing parts 220 spaced apart from each other in parallel, and in detail, it may be positioned on each of the pair of fixing parts 220 . Also, it may be located at one or both ends of the fixing part 220 .

4 is a schematic view of an electrode assembly support according to a second embodiment of the present invention.

As shown in FIG. 4 , the second embodiment of the present invention is the same as the first embodiment except that the latch unit 1250 is added, and therefore only the latch unit 1250 will be described below.

A latch portion 1250 is provided at the end of the shaft portion 1230, and when the fixing portion 1220 is loosened in the operation process, the fixing portion 1220 is rotated toward the end of the seat portion 1210 to rotate the fixing portion 1220 and the seat portion. 1210 can be pulled taut to keep it flat. This is advantageous in preventing the laminate 10 moving to the top surface from being deformed while being heated. The latch unit 1240 may be automatically controlled manually or electrically connected to a control unit (not shown).

Also, the latch unit 1250 may be located on one or both of the pair of shaft units 1230 .

5 is a schematic diagram of an electrode assembly support according to a third embodiment of the present invention.

As shown in FIG. 5, since it is the same as the second embodiment except for the seat part 2210 and the fixing part 2220 of the support part 2200 of the third embodiment of the present invention, hereinafter, the seat part 2210 and Only the fixing part 2220 will be described.

The fixing part 2220 according to the third embodiment is in the form of a mesh, and the seat part 2210 composed of a plurality of sheets spaced apart from one another, not one continuous sheet, may be located. This is when the lamination unit (not shown) stops operating, the gas injected from the blower (not shown) passes through the space between the sheets constituting the sheet unit 2210 and is transferred to the laminate (not shown) and heated. It is advantageous for cooling the sieve.

Here, the mesh-shaped fixing part 2220 can stably support the stacked body 10 moving the upper surface of the sheet part 2210 that is spaced apart from each other at regular intervals, so it is advantageous to prevent deformation of the stacked body. .

In addition, the mesh-shaped fixing part 2220 can change the flow direction of the gas injected from the blower and reduce the speed of the gas delivered to the laminate, which is advantageous in preventing deformation of the laminate.

Hereinafter, a method for manufacturing an electrode assembly according to an embodiment of the present invention will be described.

The electrode assembly manufacturing method according to an embodiment of the present invention is heated by the upper heater unit 110 and the lower heater unit 120 while passing the laminate 10 including the electrode and the separator to the upper end of the support unit 200 . During the heating step, the lamination step of laminating while passing the heated laminate 10 between the first lamination part 310 and the second lamination part 320 and the operation of the lamination part 300 is stopped, the laminate 10 is It includes a heating cutoff step to stop heating for.

The multilayer body 10 passes through the upper surface of the support unit 200 positioned between the upper heater unit 110 and the lower heater unit 120 to prevent the heating action of the upper heater unit 110 and the lower heater unit 120 . The heated laminate 10 may be attached by being pressed while passing through the rear-end first lamination part 310 and the second lamination part 320 .

In the heating blocking step, when the operation of the lamination part 300 is stopped, the upper heater part 110 and the lower heater part 120 are supported by the support part 200 so that the heat transferred from the heater part 100 to the laminate 10 is reduced or blocked. ), the upper heater unit 110 may be moved upward and the lower heater unit 120 may be moved downward through the moving unit 400 so as to be spaced apart from the stacked body 10 located on the upper surface of the . In addition, the heating operation of the heater unit 100 may be stopped by a controller (not shown).

The upper moving part 410 and the lower moving part 420 may include a cylinder, and may be respectively located at both sides or the center of the corresponding heater unit.

On the other hand, the moving part cylinder may be made of a pneumatic cylinder or a hydraulic cylinder.

In the heating blocking step, the moving part 400 is spaced apart from the heater part 100 from the support part 200, and then the gas injected from the blower 500 into the space between the heater part 100 and the support part 200 is used. The laminate 10 may be cooled. Here, the laminate 10 is cooled by using the gas injected from the blower 500 into the space between the upper heater unit 110 and the support unit 200 and/or the space between the lower heater unit 120 and the support unit 200 . can do it

As described above in detail a specific part of the content of the present invention, for those of ordinary skill in the art, these specific descriptions are only preferred embodiments, and the scope of the present invention is not limited thereby, It is obvious to those skilled in the art that various changes and modifications can be made within the scope and spirit of the present invention, and it is natural that such variations and modifications fall within the scope of the appended claims.

10: laminate
100: heater unit
110: upper heater unit
120: lower heater unit
200, 1200, 2220: support
210, 1210, 2210: seat portion
220, 1220, 2220: fixed part
230, 1230, 2220: shaft
240, 1240: elastic part
1250, 2250: ratchet unit
300: lamination unit
310: upper lamination part
320: lower lamination unit
400: moving unit
410: upper moving part
420: lower moving part
500: blower
1000: electrode assembly lamination apparatus according to the first embodiment of the present invention

Claims (12)

a support portion disposed on an upper surface of a laminate including an electrode and a separator;
an upper heater unit configured to heat an upper surface of the multilayer body disposed on the upper surface of the support unit;
a lower heater unit configured to heat a lower end surface of the laminate disposed on the upper end surface of the support unit;
a lamination unit for laminating the heated laminate while passing between the upper heater unit and the lower heater unit; and
In the electrode assembly lamination apparatus comprising a; a lower moving part spaced apart from the lower heater part from the support part,
The support part includes a seat part and a fixing part,
An electrode assembly lamination apparatus in which one or more blowers for spraying gas are added between the laminate and the lower heater unit and/or between the laminate and the upper heater unit. According to claim 1,
The electrode assembly lamination apparatus further comprising an upper moving part spaced apart from the upper heater part from the support part. 3. The method of claim 2,
The upper moving part and the lower moving part are respectively spaced apart from the upper heater part and/or the lower heater part from the support part when the lamination part stops working. According to claim 1,
The blower is an electrode assembly lamination device positioned adjacent to both ends of the upper heater unit and/or the lower heater unit. According to claim 1,
The blower is provided with a gas injection port through which the gas is injected,
The gas injection hole is disposed upward or downward at a predetermined angle, and is injected between the upper heater part and the support part and/or between the lower heater part and the support part. According to claim 1,
The sheet portion is a Teflon sheet, and the fixing portion is an electrode assembly lamination device in the form of a wire. 3. The method of claim 2,
and a controller to separate the upper heater part and/or the lower heater part from the support part when the operation of the lamination part is stopped, and to operate the blower. (s1) a heating step of heating by the upper heater unit and the lower heater unit while passing the laminate including the electrode and the separator to the upper end of the support unit;
(s2) a lamination step of laminating while passing the laminate heated by the step s1) through a lamination unit; and
(S3) When the operation of the lamination unit is stopped, a heating blocking step of stopping the heating of the laminate. 9. The method of claim 8,
The heating blocking step is an electrode assembly manufacturing method comprising the step of separating the lower heater portion from the support portion. 9. The method of claim 8,
The heating blocking step is an electrode assembly manufacturing method comprising the step of separating the upper heater portion from the support portion. 11. The method of claim 9 or 10,
The heating blocking step includes a blowing step of spraying a gas between the laminate and the lower heater unit and/or between the laminate and the upper heater unit. 11. The method of claim 9 or 10,
The heating blocking step includes stopping the heating operation of the upper heater unit and/or the lower heater unit.

Images