JP2025018883A - 円筒型電池セル及び電池パック - Google Patents
円筒型電池セル及び電池パック Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/206—Laser sealing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam welding
- B23K26/244—Overlap seam welding
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/152—Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
-
- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
-
- 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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
-
- 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
- H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
-
- 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
- H01M50/534—Electrode connections inside a battery casing characterised by the material of the leads or tabs
-
- 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
- H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
-
- 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
- H01M50/559—Terminals adapted for cells having curved cross-section, e.g. round, elliptic or button cells
-
- 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
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
- H01M50/627—Filling ports
-
- 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
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
- H01M50/627—Filling ports
- H01M50/636—Closing or sealing filling ports, e.g. using lids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
- H01M50/627—Filling ports
- H01M50/636—Closing or sealing filling ports, e.g. using lids
- H01M50/645—Plugs
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Gas Exhaust Devices For Batteries (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
Description
110: ハウジング
111: 端壁
1111: 端子取付孔
112: 側壁
113: 開口部
120: 電極アセンブリ
121: 第1のタブ
122: 第2のタブ
123: 中心孔
130:集電部材
131: 肉厚部
132: 開口部
133: 集電体
1331: 取付貫通孔
134: タブ溶接領域
140: キャップ
141: 凹部
142: 環状溝
1421: 環状底壁
1422: 第1の環状側壁
1423: 第2の環状側壁
1424: 位置規制部
143: 通気ノッチ
144: 蓋体
150: 蓋板
160, 160’: 液体注入孔
170: 電極端子
180: 遮断板
190: 環状蓋板
200: 電池パック
210: ケース本体
211: 第1のケース本体部
212: 第2のケース本体部
300: 電子機器
310: 動作部
Claims (20)
- 端壁と、前記端壁を取り囲む側壁と、を含み、前記側壁の前記端壁から離れた一端には開口部が形成されるハウジングと、
前記ハウジングに配置され、前記電極アセンブリの前記開口部に面する一側には第1のタブが設置される電極アセンブリと、
前記開口部が位置する一側に配置され、前記側壁に溶接接続されて前記開口部を封止するキャップと、
前記電極アセンブリの前記開口部に面する一側に配置され、前記第1のタブに溶接接続される集電部材と、
と、を備え、
前記集電部材の厚さ方向において、前記集電部材は、集電体と、前記キャップに向けて突出する肉厚部と、を含み、前記肉厚部は、前記キャップに溶接接続される、
円筒型電池セル。 - 前記肉厚部は、前記集電部材の中央領域に配置される、
請求項1に記載の円筒型電池セル。 - 前記集電部材の前記厚さ方向において、前記電極アセンブリ上の前記肉厚部の投影は、前記電極アセンブリの中心を円中心とする直径18mmの領域に位置する、
請求項2に記載の円筒型電池セル。 - 前記集電体と前記肉厚部は、一体的に形成された構造である、
請求項1に記載の円筒型電池セル。 - 前記集電体と前記肉厚部とは、溶接接続される、
請求項1に記載の円筒型電池セル。 - 前記集電部材の前記厚さ方向において、前記集電部材の前記電極アセンブリに近い一端と、前記肉厚部が前記キャップに溶接される一端との間の厚さは、0.3mm~2mmである、
請求項5に記載の円筒型電池セル。 - 前記肉厚部は、前記集電体の前記電極アセンブリから離れた一側に配置される、
請求項5に記載の円筒型電池セル。 - 前記集電体の厚さ方向において、前記肉厚部は、前記集電体を貫通する、
請求項5に記載の円筒型電池セル。 - 前記集電体と前記肉厚部の少なくとも一方は、低炭素鋼からなる、
請求項1に記載の円筒型電池セル。 - 前記キャップの中心は、液体注入孔を含み、前記集電部材の中心は、前記液体注入孔に対応する開口部を含み、前記円筒型電池セルは、前記キャップの上に配置された蓋板をさらに含み、前記蓋板は、前記キャップに溶接接続されて、前記液体注入孔を封止する、
請求項1に記載の円筒型電池セル。 - 前記蓋板は、前記キャップと前記肉厚部との間の溶接接続領域を覆う、
請求項10に記載の円筒型電池セル。 - 前記キャップの厚さ方向において、前記キャップは、前記集電部材に向けて凹んだ凹部を含み、前記凹部は、前記肉厚部に溶接接続される、
請求項1に記載の円筒型電池セル。 - 前記集電部材の前記厚さ方向において、前記肉厚部の投影は、前記凹部の投影を覆う、
請求項12に記載の円筒型電池セル。 - 前記キャップの外縁に位置する下面の少なくとも一部は、前記側壁の端面に接触して溶接接続され、前記キャップの厚さ方向において、前記キャップの前記外縁には、前記電極アセンブリ側に凹んだ環状溝がさらに配置され、前記環状溝の前記キャップの円中心から離れた側壁は、前記側壁の内面に接触して溶接接続される、
請求項1に記載の円筒型電池セル。 - 前記環状溝の底壁は、前記集電部材に接触する、
請求項14に記載の円筒型電池セル。 - 前記肉厚部は、前記集電部材の外縁領域に配置され、前記環状溝の底壁は、前記肉厚部に接触して溶接接続される、
請求項14に記載の円筒型電池セル。 - 前記円筒型電池セルは、環状蓋板をさらに含み、前記環状蓋板は、前記環状溝を覆うように前記環状溝の上に配置される、
請求項14に記載の円筒型電池セル。 - 前記キャップには、通気ノッチが更に配置される、
請求項1に記載の円筒型電池セル。 - 前記電極アセンブリの前記端壁に面する一側には第2のタブが設置され、前記円筒型電池セルは、前記端壁の外面から突出する電極端子をさらに含み、前記電極端子は、前記第2のタブに電気的に接続され、前記端壁又は前記電極端子上には、液体注入孔が設置される、
請求項1に記載の円筒型電池セル。 - 請求項1~19のいずれか一項に記載の円筒型電池セルを備える電池パック。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321962888.8 | 2023-07-25 | ||
| CN202321962888.8U CN220627966U (zh) | 2023-07-25 | 2023-07-25 | 圆柱电芯、电池组及电子设备 |
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| Publication Number | Publication Date |
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| JP2025018883A true JP2025018883A (ja) | 2025-02-06 |
| JP7748996B2 JP7748996B2 (ja) | 2025-10-03 |
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| Country | Link |
|---|---|
| US (1) | US20250038368A1 (ja) |
| EP (1) | EP4498483A1 (ja) |
| JP (1) | JP7748996B2 (ja) |
| CN (1) | CN220627966U (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118554092A (zh) * | 2024-05-28 | 2024-08-27 | 厦门新能安科技有限公司 | 柱形二次电池、注液方法及用电设备 |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4917338B1 (ja) * | 1966-11-30 | 1974-04-30 | ||
| JP2001052759A (ja) * | 1999-07-08 | 2001-02-23 | Alcatel | アルミニウム端子を有する密閉型蓄電池 |
| JP2003051294A (ja) * | 2001-08-06 | 2003-02-21 | Matsushita Electric Ind Co Ltd | 密閉型電池とその製造方法 |
| JP2007122942A (ja) * | 2005-10-26 | 2007-05-17 | Matsushita Electric Ind Co Ltd | 蓄電池 |
| JP2010519719A (ja) * | 2007-03-06 | 2010-06-03 | ザ ジレット カンパニー | リチウム電池用のエンドキャップシールアセンブリ |
| CN114678600A (zh) * | 2022-03-02 | 2022-06-28 | 江西远东电池有限公司 | 一种新型圆柱全极耳电池结构及其组焊工艺 |
| JP2022550613A (ja) * | 2019-10-15 | 2022-12-02 | 寧徳時代新能源科技股▲分▼有限公司 | 二次電池、電池モジュール、電池パック、装置及び製造方法 |
| WO2023286687A1 (ja) * | 2021-07-16 | 2023-01-19 | パナソニックホールディングス株式会社 | 集電板およびこれを用いた蓄電装置 |
| WO2023050285A1 (zh) * | 2021-09-30 | 2023-04-06 | 宁德时代新能源科技股份有限公司 | 电池单体及其制造方法和制造系统、电池以及用电装置 |
| US20230231242A1 (en) * | 2021-03-24 | 2023-07-20 | Samsung Sdi Co., Ltd. | Secondary battery |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5055809B2 (ja) * | 2006-04-06 | 2012-10-24 | パナソニック株式会社 | 円筒型蓄電池 |
-
2023
- 2023-07-25 CN CN202321962888.8U patent/CN220627966U/zh active Active
- 2023-12-06 US US18/531,628 patent/US20250038368A1/en active Pending
- 2023-12-08 JP JP2023207525A patent/JP7748996B2/ja active Active
- 2023-12-13 EP EP23216157.0A patent/EP4498483A1/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4917338B1 (ja) * | 1966-11-30 | 1974-04-30 | ||
| JP2001052759A (ja) * | 1999-07-08 | 2001-02-23 | Alcatel | アルミニウム端子を有する密閉型蓄電池 |
| JP2003051294A (ja) * | 2001-08-06 | 2003-02-21 | Matsushita Electric Ind Co Ltd | 密閉型電池とその製造方法 |
| JP2007122942A (ja) * | 2005-10-26 | 2007-05-17 | Matsushita Electric Ind Co Ltd | 蓄電池 |
| JP2010519719A (ja) * | 2007-03-06 | 2010-06-03 | ザ ジレット カンパニー | リチウム電池用のエンドキャップシールアセンブリ |
| JP2022550613A (ja) * | 2019-10-15 | 2022-12-02 | 寧徳時代新能源科技股▲分▼有限公司 | 二次電池、電池モジュール、電池パック、装置及び製造方法 |
| US20230231242A1 (en) * | 2021-03-24 | 2023-07-20 | Samsung Sdi Co., Ltd. | Secondary battery |
| WO2023286687A1 (ja) * | 2021-07-16 | 2023-01-19 | パナソニックホールディングス株式会社 | 集電板およびこれを用いた蓄電装置 |
| WO2023050285A1 (zh) * | 2021-09-30 | 2023-04-06 | 宁德时代新能源科技股份有限公司 | 电池单体及其制造方法和制造系统、电池以及用电装置 |
| CN114678600A (zh) * | 2022-03-02 | 2022-06-28 | 江西远东电池有限公司 | 一种新型圆柱全极耳电池结构及其组焊工艺 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7748996B2 (ja) | 2025-10-03 |
| CN220627966U (zh) | 2024-03-19 |
| EP4498483A1 (en) | 2025-01-29 |
| US20250038368A1 (en) | 2025-01-30 |
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