JP7391227B2 - バッテリー、バッテリーモジュール、電気機器およびバッテリーの製造方法 - Google Patents
バッテリー、バッテリーモジュール、電気機器およびバッテリーの製造方法 Download PDFInfo
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- 238000002347 injection Methods 0.000 claims description 54
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- 239000003792 electrolyte Substances 0.000 claims description 19
- 239000013585 weight reducing agent Substances 0.000 claims description 10
- 230000007423 decrease Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 19
- 238000006073 displacement reaction Methods 0.000 description 13
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 239000013543 active substance Substances 0.000 description 2
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
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- 230000003204 osmotic effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- H—ELECTRICITY
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- 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
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- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
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- H01M50/172—Arrangements of electric connectors penetrating the casing
- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
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- 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
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- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
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- 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
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- 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
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- 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
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- 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
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
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- 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
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/586—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries inside the batteries, e.g. incorrect connections of electrodes
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- 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
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
- H01M50/593—Spacers; Insulating plates
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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
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
- Filling, Topping-Up Batteries (AREA)
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- Gas Exhaust Devices For Batteries (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Description
Claims (15)
- キャビティを設けるケースと、
前記ケースの開口部を閉塞するように構成される端部カバーと、
前記ケースの前記キャビティ内に配置される電極アセンブリと、
前記端部カバー上に配置される電極端子と、
前記電極アセンブリに電気的に接続される第1接続部と、前記電極端子に電気的に接続される第2接続部とを有する接続部材とを備え、
前記第1接続部は、前記第2接続部に対して折り目に沿って折り畳まれた状態であり、
前記折り目は、前記第1接続部の第1端面と第2端面との間に配置され、
前記接続部材が、折り畳まれていない、展開された状態である場合、前記第2端面および前記第1端面は、長さ方向に沿って対向配置され、
前記第2端面は、前記第1端面よりも前記第2接続部から離れており、
前記第1接続部における前記第2接続部と隣接する側には、第1切欠きが配置され、
前記折り目は、前記第1切欠きまで延びており、
前記第1切欠きは、前記長さ方向と交差する方向、および、前記第1端面から前記第2端面までの方向に沿って、延びており、
前記第1切欠きは、前記折り目の幅が減少するように、前記接続部材の幅方向の中間部に向けて傾斜している、
バッテリー。 - 前記第1切欠きは、輪郭が円弧状である円弧状切欠き部分を有する、
請求項1に記載のバッテリー。 - 前記第1接続部は、前記接続部材の幅方向に沿って前記第2接続部から突出する突出部分を有する、
請求項1または請求項2に記載のバッテリー。 - 前記第1接続部は、
前記接続部材の幅方向に沿って、前記第2接続部の両側のうちの1つにそれぞれ突出する2つの突出部分と、
前記2つの突出部分の前記第2端面の間に配置される第3切欠きと、
を含み、
前記第3切欠きは、前記第2端面から前記第1端面までの方向に沿って凹となっている、
請求項3に記載のバッテリー。 - 前記接続部材は、前記電極アセンブリに接続され、かつ、前記接続部材が前記展開された状態である場合、前記第1接続部から前記第2接続部までの方向に沿って前記折り目から突出する接続部分を有する、
請求項1~4の何れか1項に記載のバッテリー。 - 前記接続部材の突起は、電解液を注入可能に構成された注入孔の軸方向に沿う注入孔の突起と重ならない、
請求項1~5の何れか1項に記載のバッテリー。 - 前記第1接続部は、前記接続部材の突起が、前記注入孔の前記軸方向に沿う前記注入孔の突起と重ならないように、前記第2接続部に対して前記折り目に沿って折り畳まれる、
請求項6に記載のバッテリー。 - 前記接続部材の前記突起は、前記注入孔の前記軸方向に沿う孔プラグの突起と重ならず、
前記孔プラグは、前記注入孔の中に延び、かつ、前記電極アセンブリに隣接する前記注入孔側から突出する、
請求項6または請求項7に記載のバッテリー。 - 前記孔プラグを前記接続部材と接触することを防止するように構成された保護部材をさらに備える、
請求項8に記載のバッテリー。 - 前記電極アセンブリに隣接する前記バッテリーの端部カバー側に配置される第1絶縁部材をさらに備え、
前記第1絶縁部材は、絶縁本体および制限リングを有し、
前記制限リングは、前記絶縁本体より前記電極アセンブリに近い方向に向けて突出し、前記接続部材が前記バッテリーのケースに接触することを防止するように、前記接続部材の外縁に配置されている、
請求項1~9の何れか1項に記載のバッテリー。 - 前記制限リングは、前記電極アセンブリのタブにおける、前記端部カバーに隣接する、端部の外縁に配置されている、
請求項10に記載のバッテリー。 - 前記第1絶縁部材は、前記絶縁本体に配置される支持部分を有し、
前記支持部分は、前記電極アセンブリが位置する方向に向けて、前記絶縁本体から突出し、前記絶縁本体と前記第1接続部との間で支持される、
請求項10または請求項11に記載のバッテリー。 - 前記絶縁本体は、重量削減溝に設けられ、
前記重量削減溝は、前記電極アセンブリから離れた前記絶縁本体の端面から前記電極アセンブリが位置する方向に向けて凹んでいる、
請求項10~12の何れか1項に記載のバッテリー。 - 請求項1~13の何れか1項に記載のバッテリーを備える、
バッテリーモジュール。 - 電気エネルギーを供給するように構成される、請求項14に記載のバッテリーモジュールを備える、
電気機器。
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CN116250128B (zh) * | 2021-02-09 | 2024-10-01 | 宁德时代新能源科技股份有限公司 | 电池单体、电池、用电装置以及制备电池单体的方法 |
EP4080654A4 (en) * | 2021-02-09 | 2024-04-03 | Contemporary Amperex Technology Co., Limited | END COVER ASSEMBLY, CELL, BATTERY, ELECTRICAL DEVICE AND MANUFACTURING METHOD |
CN113270669B (zh) * | 2021-06-17 | 2024-08-13 | 湖北亿纬动力有限公司 | 电极盖板及电池 |
DE102021207011A1 (de) * | 2021-07-05 | 2023-01-05 | Elringklinger Ag | Elektrochemische Zelle, elektrochemisches System und Verfahren zur Herstellung einer elektrochemischen Zelle |
WO2023092500A1 (zh) * | 2021-11-26 | 2023-06-01 | 宁德时代新能源科技股份有限公司 | 电池单体、电池、用电设备及电池单体的制造方法和设备 |
EP4307446A1 (en) * | 2022-06-03 | 2024-01-17 | LG Energy Solution, Ltd. | Cylindrical battery cell, and battery pack and vehicle including same |
WO2023236219A1 (zh) * | 2022-06-10 | 2023-12-14 | 宁德时代新能源科技股份有限公司 | 电池单体、电池及用电设备 |
WO2024020910A1 (zh) * | 2022-07-28 | 2024-02-01 | 宁德时代新能源科技股份有限公司 | 电池单体、电池以及用电装置 |
CN218300133U (zh) * | 2022-09-09 | 2023-01-13 | 湖北亿纬动力有限公司 | 集流盘、电池盖板及电池结构 |
DE212022000362U1 (de) * | 2022-09-09 | 2024-09-09 | Eve Power Co., Ltd. | Stromkollektorplatte, Batterieabdeckplatte und Batteriestruktur |
CN115360485A (zh) * | 2022-09-23 | 2022-11-18 | 中创新航科技股份有限公司 | 电池及电池的制造方法 |
CN116014375B (zh) * | 2023-02-09 | 2023-06-09 | 深圳海润新能源科技有限公司 | 储能装置和用电设备 |
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WO2021203599A1 (zh) | 2021-10-14 |
CN112310561A (zh) | 2021-02-02 |
PL3916891T3 (pl) | 2023-09-04 |
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JP2024003250A (ja) | 2024-01-11 |
CN116780126A (zh) | 2023-09-19 |
CN116722324A (zh) | 2023-09-08 |
CN116722325A (zh) | 2023-09-08 |
EP3916891A4 (en) | 2021-12-01 |
KR20220165720A (ko) | 2022-12-15 |
EP3916891B1 (en) | 2023-06-14 |
US20210359379A1 (en) | 2021-11-18 |
PT3916891T (pt) | 2023-07-11 |
FI3916891T3 (fi) | 2023-08-03 |
EP3916891A1 (en) | 2021-12-01 |
ES2949951T3 (es) | 2023-10-04 |
HUE062500T2 (hu) | 2023-11-28 |
KR102642373B1 (ko) | 2024-02-28 |
CN118610703A (zh) | 2024-09-06 |
CN116722326A (zh) | 2023-09-08 |
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