JP2022086153A - 電池およびその製造方法、ならびに成形金型 - Google Patents
電池およびその製造方法、ならびに成形金型 Download PDFInfo
- Publication number
- JP2022086153A JP2022086153A JP2020198013A JP2020198013A JP2022086153A JP 2022086153 A JP2022086153 A JP 2022086153A JP 2020198013 A JP2020198013 A JP 2020198013A JP 2020198013 A JP2020198013 A JP 2020198013A JP 2022086153 A JP2022086153 A JP 2022086153A
- Authority
- JP
- Japan
- Prior art keywords
- tip
- hole
- positive electrode
- tapered portion
- central axis
- 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.)
- Granted
Links
- 238000000465 moulding Methods 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000003825 pressing Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 28
- 238000003466 welding Methods 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 238000005304 joining Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 description 36
- 230000000052 comparative effect Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 13
- 239000008151 electrolyte solution Substances 0.000 description 10
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 239000007774 positive electrode material Substances 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 4
- 229910000881 Cu alloy Inorganic materials 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- SOXUFMZTHZXOGC-UHFFFAOYSA-N [Li].[Mn].[Co].[Ni] Chemical compound [Li].[Mn].[Co].[Ni] SOXUFMZTHZXOGC-UHFFFAOYSA-N 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- -1 nickel metal hydride Chemical class 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/564—Terminals characterised by their manufacturing process
- H01M50/566—Terminals characterised by their manufacturing process by welding, soldering or brazing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
- H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Description
Claims (11)
- 貫通孔を有する導電部材と、
前記貫通孔に挿入され、前記導電部材上に露出する先端部を有する端子部材とを備え、
前記端子部材の前記先端部と前記導電部材とのカシメ接合部が形成され、
前記端子部材の前記先端部は、内周面を有する凹部を含み、
前記端子部材の中心軸に対する前記内周面の傾きが変化する折り曲げ部が前記内周面上に形成された、電池。 - 前記導電部材は側壁を有する穴部を含み、
前記カシメ接合部は前記穴部内に形成され、
前記カシメ接合部において、前記端子部材の先端は前記穴部の前記側壁に達する、請求項1に記載の電池。 - 前記カシメ接合部の少なくとも一部において、前記端子部材の先端は前記導電部材に溶接される、請求項2に記載の電池。
- 前記電池は電極体をさらに備え、
前記導電部材は、前記電極体と前記端子部材とを電気的に接続する集電体である、請求項1から請求項3のいずれか1項に記載の電池。 - 導電部材の貫通孔に端子部材を挿入する工程と、
前記端子部材の先端部と前記導電部材とをカシメ接合する工程とを備え、
前記カシメ接合する工程は、
中心軸に対して第1の角度で傾斜する第1テーパ部と、前記第1テーパ部の大径側に設けられ、前記中心軸に対して前記第1の角度よりも大きな第2の角度で傾斜する第2テーパ部とを含む成形金型を準備することと、
前記成形金型の前記第1テーパ部を前記端子部材の前記先端部に対向させ、前記中心軸に沿って前記成形金型を移動させ、前記端子部材の前記先端部に形成された筒状部に前記成形金型を挿入し、前記第1テーパ部により前記筒状部の第1部分を径方向外側に押圧するとともに前記第2テーパ部により前記筒状部の第2部分を径方向外側に押圧することにより、前記端子部材の前記先端部を拡径することとを含む、電池の製造方法。 - 前記中心軸を通る少なくとも1つの断面において、前記第1テーパ部の最大径は、前記筒状部の穴径よりも大きい、請求項5に記載の電池の製造方法。
- 前記中心軸を通る少なくとも1つの断面において、前記第1テーパ部の最大径は、前記筒状部の穴径よりも50μm以上大きい、請求項6に記載の電池の製造方法。
- 前記中心軸を通る少なくともすべての断面において、前記第1テーパ部の最小径は、前記筒状部の穴径よりも100μm以上小さい、請求項5から請求項7のいずれか1項に記載の電池の製造方法。
- 前記導電部材と接合された前記端子部材の先端を前記導電部材に溶接する工程をさらに備えた、請求項5から請求項8のいずれか1項に記載の電池の製造方法。
- 貫通孔を有する第1の部材と、前記貫通孔に挿入され、前記第1の部材上に露出する先端部を有する第2の部材とをカシメ接合するために用いられ、前記第2の部材の前記先端部に形成された筒状部に挿入可能な成形金型であって、
中心軸に対して第1の角度で傾斜する第1テーパ部と、
前記第1テーパ部の大径側に設けられ、前記中心軸に対して前記第1の角度よりも大きな第2の角度で傾斜する第2テーパ部とを備えた、成形金型。 - 前記第2テーパ部の大径側に設けられ、前記中心軸に対して前記第2の角度よりも大きな第3の角度で傾斜する第3テーパ部とを備えた、請求項10に記載の成形金型。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020198013A JP7416681B2 (ja) | 2020-11-30 | 2020-11-30 | 電池およびその製造方法 |
US17/533,120 US11984623B2 (en) | 2020-11-30 | 2021-11-23 | Battery, method of manufacturing battery, and molding die |
CN202111428325.6A CN114583403A (zh) | 2020-11-30 | 2021-11-29 | 电池及其制造方法和成形模具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020198013A JP7416681B2 (ja) | 2020-11-30 | 2020-11-30 | 電池およびその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022086153A true JP2022086153A (ja) | 2022-06-09 |
JP7416681B2 JP7416681B2 (ja) | 2024-01-17 |
Family
ID=81751851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020198013A Active JP7416681B2 (ja) | 2020-11-30 | 2020-11-30 | 電池およびその製造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11984623B2 (ja) |
JP (1) | JP7416681B2 (ja) |
CN (1) | CN114583403A (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0211232A (ja) * | 1988-06-29 | 1990-01-16 | Sankyo Seiki Mfg Co Ltd | カシメ固定方法及びパンチ |
JP2011048976A (ja) * | 2009-08-26 | 2011-03-10 | Toshiba Corp | 電池 |
JP2012004105A (ja) * | 2010-05-17 | 2012-01-05 | Gs Yuasa Corp | 電池及び電池の製造方法 |
JP2013246966A (ja) * | 2012-05-25 | 2013-12-09 | Hitachi Vehicle Energy Ltd | 単電池および組電池 |
JP2017010743A (ja) * | 2015-06-22 | 2017-01-12 | 三洋電機株式会社 | 二次電池及びそれを用いた組電池 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008124105A (ja) | 2006-11-09 | 2008-05-29 | Seiko Epson Corp | 多層プリント配線板 |
JP5206264B2 (ja) | 2008-09-16 | 2013-06-12 | トヨタ自動車株式会社 | 電池および電池の製造方法 |
-
2020
- 2020-11-30 JP JP2020198013A patent/JP7416681B2/ja active Active
-
2021
- 2021-11-23 US US17/533,120 patent/US11984623B2/en active Active
- 2021-11-29 CN CN202111428325.6A patent/CN114583403A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0211232A (ja) * | 1988-06-29 | 1990-01-16 | Sankyo Seiki Mfg Co Ltd | カシメ固定方法及びパンチ |
JP2011048976A (ja) * | 2009-08-26 | 2011-03-10 | Toshiba Corp | 電池 |
JP2012004105A (ja) * | 2010-05-17 | 2012-01-05 | Gs Yuasa Corp | 電池及び電池の製造方法 |
JP2013246966A (ja) * | 2012-05-25 | 2013-12-09 | Hitachi Vehicle Energy Ltd | 単電池および組電池 |
JP2017010743A (ja) * | 2015-06-22 | 2017-01-12 | 三洋電機株式会社 | 二次電池及びそれを用いた組電池 |
Also Published As
Publication number | Publication date |
---|---|
US20220173486A1 (en) | 2022-06-02 |
US11984623B2 (en) | 2024-05-14 |
JP7416681B2 (ja) | 2024-01-17 |
CN114583403A (zh) | 2022-06-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6572736B2 (ja) | 角形二次電池の製造方法 | |
US20160372722A1 (en) | Secondary battery and battery pack using the same | |
US20200251711A1 (en) | Rectangular secondary battery and method of manufacturing the same | |
US20220045391A1 (en) | Secondary battery and method of manufacturing the same | |
US11063328B2 (en) | Secondary battery including insulating member with grooves | |
WO2018124152A1 (ja) | コイン形電池及びその製造方法 | |
JP6045286B2 (ja) | 円筒形蓄電素子 | |
WO2012105553A1 (ja) | 円筒形二次電池 | |
JP7265518B2 (ja) | 電池およびその製造方法 | |
JP7416681B2 (ja) | 電池およびその製造方法 | |
JP7216750B2 (ja) | 電池およびその製造方法 | |
JP7213213B2 (ja) | 電池セルおよびその製造方法 | |
JP7236422B2 (ja) | 電池およびその製造方法 | |
JP7245814B2 (ja) | 電池およびその製造方法 | |
JP7269212B2 (ja) | 電池およびその製造方法 | |
JP7249984B2 (ja) | 電池 | |
JP7340568B2 (ja) | 電池 | |
JP7262433B2 (ja) | 電池 | |
JP7157789B2 (ja) | 角形電池 | |
JP2022078624A (ja) | 電池およびその製造方法 | |
JP6777202B2 (ja) | 角形二次電池の製造方法 | |
US11699825B2 (en) | Secondary battery and method for manufacturing the same | |
JPWO2020137714A1 (ja) | 二次電池 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20211201 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20221013 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20221206 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230127 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230509 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230601 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230905 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230929 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20231226 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20240104 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7416681 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |