CN103280543A - Structure of cylindrical secondary battery and manufacturing method - Google Patents
Structure of cylindrical secondary battery and manufacturing method Download PDFInfo
- Publication number
- CN103280543A CN103280543A CN2013101886316A CN201310188631A CN103280543A CN 103280543 A CN103280543 A CN 103280543A CN 2013101886316 A CN2013101886316 A CN 2013101886316A CN 201310188631 A CN201310188631 A CN 201310188631A CN 103280543 A CN103280543 A CN 103280543A
- Authority
- CN
- China
- Prior art keywords
- battery
- battery container
- straight
- secondary battery
- polar cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 210000004027 cell Anatomy 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 229910018095 Ni-MH Inorganic materials 0.000 description 2
- 229910018477 Ni—MH Inorganic materials 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a structure of a cylindrical secondary battery and relates to a structure of the secondary battery. The structure of the cylindrical secondary battery comprises a battery shell (1), pole pieces (2) and a polar cap (5), wherein the pole pieces (2) are arranged at the inner space of the battery shell; the polar cap (5) is arranged at the outer end of the battery shell; and the battery shell (1) is straight-barrel-shaped. A manufacturing method of the structure of the cylindrical secondary battery comprises the following steps that: (A) the battery shell which is straight-barrel-shaped is prepared; (B) a through hole with the diameter being 1-10mm is formed at the central area of one end provided with the polar cap, a sealing ring is cushioned at the outer side of a fastener, the sealing ring and the fastener penetrate through the through hole together and are riveted with the end provided with the polar cap, and the fastener and the end provided with the polar cap are insulated by the sealing ring; (C) the fastener is connected with one electrode of the battery by a tab; and (D) the battery shell is connected and sealed by a welding mode. The structure has the advantages that the sealing process of the nickel-hydrogen battery is fundamentally changed, and the effective space in the battery shell packaged by a new process can be enlarged by about 5%.
Description
Technical field
The present invention relates to the structure of column secondary battery.
Background technology
The present method for packing of the general cylindrical battery of ni-mh is with the battery case slot rolling, is added with the top cover of insulated ring then above slot rolling, by sealing the method sealed cell at battery case edge, bending slot rolling top, sees Fig. 3 at last.This method makes that the required battery space that takies the part in the battery case of existing sealed cell body is big, thus reduced battery pole piece the space of battery case internal capacity big inadequately, influence the capacity of battery, be unfavorable for the production of high-capacity battery.
Summary of the invention
The object of the present invention is to provide a kind of structure that under the prerequisite of not changing cell integrated apparent size, increases the column secondary battery of the inner useful space of battery case.
Purpose of the present invention can realize like this, designs a kind of structure of column secondary battery, comprise battery container, be arranged on the battery container inner space pole piece, be arranged on the polar cap of battery container outer end, battery container is straight tubbiness.
Further, battery container is straight tubbiness, and port arranges the weldering lid by the welding fixing seal.
Further, battery container comprises two straight stavings, and two straight staving port butt joints are by the welding fixing seal.
Purpose of the present invention also can realize like this, designs a kind of manufacture method of column secondary battery, may further comprise the steps:
A, preparation battery container, battery container is straight tubbiness;
B, be provided with the through hole of diameter 1～10mm in the central area that polar cap one end is installed, sealed loop-pad in the securing member outside and with securing member pass through hole and with the riveted joint of polar cap end is installed, and securing member insulate by sealing ring with installation polar cap end;
C, securing member are connected with a utmost point of battery by lug;
D, battery container connect sealing by the mode of welding.
Further, adopt weldering to cover sealed cell housing port, battery container is connected sealing with the weldering lid by the mode of welding.
Further, battery container adopts two straight stavings, and two straight staving port butt joints are by the welding manner fixing seal.
The present invention has fundamentally changed the sealing process of ni-mh column secondary battery, and the inner useful space of the battery case of new technology encapsulation can improve about 5%.
Description of drawings
Fig. 1 is the schematic diagram of one of preferred embodiment of the present invention;
Fig. 2 is two schematic diagram of preferred embodiment of the present invention;
Fig. 3 is traditional cylindrical battery profile schematic diagram.
Embodiment
The invention will be further described below in conjunction with embodiment.
As shown in Figure 1 and Figure 2, a kind of structure of secondary cell, comprise battery container 1, be arranged on the battery container inner space pole piece 2, be installed in barrier film 3 between the pole piece 2, be separately positioned on two ends, battery container inner space insulation cushion 4, be arranged on the polar cap 5 of battery container outer end, fixedly polar cap 5 and sealing ring 7 securing member 6, be connected the lug 8 of securing member 6 and battery pole piece one utmost point, battery container 1 is straight tubbiness.
Securing member 6 is rivet in the present embodiment.
The sealing means of battery container 1 has multiple.The present invention adopts welding manner that battery is sealed.The position of welding can be in the two ends of battery container or the optional position between the two ends.Can be, battery container 1 be straight tubbiness, and port arranges weldering and covers 9 by the welding fixing seal, as shown in Figure 1 and Figure 2.Also can be, battery container 1 comprises two straight stavings, and two straight staving port butt joints are by the welding fixing seal.
Adopt the present invention, the useful space of inside battery can make the height of filling pole piece improve 1～5mm.Under the prerequisite of not changing cell integrated apparent size, improve the capacity of battery effectively.
The manufacture method of the structure of secondary cell may further comprise the steps:
A, preparation battery container, battery container is straight tubbiness;
B, be provided with the through hole of diameter 1～10mm in the central area that polar cap one end is installed, sealed loop-pad in the securing member outside and with securing member pass through hole and with the riveted joint of polar cap end is installed, and securing member insulate by sealing ring with installation polar cap end;
C, securing member are connected with a utmost point of battery by lug;
D, battery container connect sealing by the mode of welding.
The present invention adopts welding manner that battery is sealed.The position of welding can be in the two ends of battery container or the optional position between the two ends.Can be, adopt weldering to cover sealed cell housing port, battery container be connected sealing with the weldering lid by the mode of welding.Also can be, battery container adopts two straight stavings, and two straight staving port butt joints are by the welding manner fixing seal.
Installation polar cap end is arranged on weldering and covers on the rivet 6.As shown in Figure 1, Ni-MH battery housing 1 and weldering covers 9 and are connected by the modes of welding.The through hole that diameter 1～10mm is arranged on 9 is covered in weldering.Sealing ring 7 pads pass through hole and cover 9 riveted joints with weldering in rivet 6 outsides and with rivet 6, and rivet 6 covers 9 by sealing ring 7 insulation with weldering.
The polar cap end is installed is arranged on the straight staving of battery case bottom.As shown in Figure 2, Ni-MH battery housing 1 and weldering covers 9 and are connected by the modes of welding.Battery container 1 has the through hole of diameter 1～10mm.Sealing ring 7 pad in rivet 6 outsides and with rivet 6 pass through hole and with battery case 1 riveted joint, and rivet 6 and battery container 1 are by sealing ring 7 insulation.
At outside batteries, rivet 6 and polar cap 5 are by being welded to connect, and at inside battery, rivet 6 is connected with a utmost point of battery by lug 8.
Safety valve is arranged in the optional position of rivet 6 or polar cap 5.
Polar cap 5 can be positive pole, also can be negative pole; The battery container 1 that matches with it can be negative pole, also can be positive pole.
The present invention has fundamentally changed the sealing process of ni-mh cylindrical battery, has removed the space of slot rolling, expanded battery pole piece in battery case volume inside ratio, the battery of new technology encapsulation, the inner useful space of shell can improve about 5%.
Claims (8)
1. the structure of a column secondary battery, comprise battery container (1), be arranged on the battery container inner space pole piece (2), be arranged on the polar cap (5) of battery container outer end, it is characterized in that: battery container (1) is straight tubbiness.
2. the structure of column secondary battery according to claim 1, it is characterized in that: battery container (1) is straight tubbiness, port arranges the weldering lid by the welding fixing seal.
3. the structure of column secondary battery according to claim 1, it is characterized in that: battery container (1) comprises two straight stavings, two straight staving ports butt joints are by the welding fixing seal.
4. the manufacture method of the structure of column secondary battery is characterized in that, may further comprise the steps:
A, preparation battery container, battery container is straight tubbiness;
B, be provided with the through hole of diameter 1～10mm in the central area that polar cap one end is installed, sealed loop-pad in the securing member outside and with securing member pass through hole and with the riveted joint of polar cap end is installed, and securing member insulate by sealing ring with installation polar cap end;
C, securing member are connected with a utmost point of battery by lug;
D, battery container connect sealing by the mode of welding.
5. the manufacture method of column secondary battery according to claim 4 is characterized in that: adopt weldering cover sealed cell housing port, battery container is connected sealing with the mode that weldering is covered by welding.
6. the manufacture method of column secondary battery according to claim 4 is characterized in that: battery container adopts two straight stavings, and the welding manner fixing seal is passed through in two straight staving ports butt joints.
7. the manufacture method of column secondary battery according to claim 5 is characterized in that: the polar cap end is installed is arranged on weldering and covers.
8. the manufacture method of column secondary battery according to claim 4 is characterized in that: the polar cap end is installed is arranged on the straight staving of battery case bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101886316A CN103280543A (en) | 2013-05-21 | 2013-05-21 | Structure of cylindrical secondary battery and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101886316A CN103280543A (en) | 2013-05-21 | 2013-05-21 | Structure of cylindrical secondary battery and manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103280543A true CN103280543A (en) | 2013-09-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101886316A Pending CN103280543A (en) | 2013-05-21 | 2013-05-21 | Structure of cylindrical secondary battery and manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103280543A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023063540A1 (en) | 2021-10-15 | 2023-04-20 | 주식회사 엘지에너지솔루션 | Battery manufacturing method |
| US12125985B2 (en) | 2021-02-19 | 2024-10-22 | Lg Energy Solution, Ltd. | Electrode assembly, battery, and battery pack and vehicle including the same |
| US12132227B2 (en) | 2021-01-19 | 2024-10-29 | Lg Energy Solution, Ltd. | Battery, and battery pack and vehicle comprising the same |
| US12136706B2 (en) | 2021-01-19 | 2024-11-05 | Lg Energy Solution, Ltd. | Battery, and battery pack and vehicle including the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2578995Y (en) * | 2002-09-19 | 2003-10-08 | 深圳华粤宝电池有限公司 | Cylindrical lithium ionic battery |
| CN203277511U (en) * | 2013-05-21 | 2013-11-06 | 深圳市力可兴电池有限公司 | Structure of cylindrical secondary battery |
-
2013
- 2013-05-21 CN CN2013101886316A patent/CN103280543A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2578995Y (en) * | 2002-09-19 | 2003-10-08 | 深圳华粤宝电池有限公司 | Cylindrical lithium ionic battery |
| CN203277511U (en) * | 2013-05-21 | 2013-11-06 | 深圳市力可兴电池有限公司 | Structure of cylindrical secondary battery |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12132227B2 (en) | 2021-01-19 | 2024-10-29 | Lg Energy Solution, Ltd. | Battery, and battery pack and vehicle comprising the same |
| US12136706B2 (en) | 2021-01-19 | 2024-11-05 | Lg Energy Solution, Ltd. | Battery, and battery pack and vehicle including the same |
| US12142734B2 (en) | 2021-01-19 | 2024-11-12 | Lg Energy Solution, Ltd. | Battery, and battery pack and vehicle including the same |
| US12125985B2 (en) | 2021-02-19 | 2024-10-22 | Lg Energy Solution, Ltd. | Electrode assembly, battery, and battery pack and vehicle including the same |
| US12125986B2 (en) | 2021-02-19 | 2024-10-22 | Lg Energy Solution, Ltd. | Battery and current collector applied thereto, and battery pack and vehicle including the same |
| US12132175B2 (en) | 2021-02-19 | 2024-10-29 | Lg Energy Solution, Ltd. | Electrode assembly, battery, and battery pack and vehicle including the same |
| US12136707B2 (en) | 2021-02-19 | 2024-11-05 | Lg Energy Solution, Ltd. | Battery and current collector applied thereto, and battery pack and vehicle including the battery |
| US12199247B2 (en) | 2021-02-19 | 2025-01-14 | Lg Energy Solution, Ltd. | Battery and current collector applied thereto, and battery pack and vehicle including the same |
| WO2023063540A1 (en) | 2021-10-15 | 2023-04-20 | 주식회사 엘지에너지솔루션 | Battery manufacturing method |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130904 |