JP2021528811A - 二次電池 - Google Patents
二次電池 Download PDFInfo
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- JP2021528811A JP2021528811A JP2020569932A JP2020569932A JP2021528811A JP 2021528811 A JP2021528811 A JP 2021528811A JP 2020569932 A JP2020569932 A JP 2020569932A JP 2020569932 A JP2020569932 A JP 2020569932A JP 2021528811 A JP2021528811 A JP 2021528811A
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- 238000004804 winding Methods 0.000 claims abstract description 56
- 238000000926 separation method Methods 0.000 claims abstract description 49
- 239000000126 substance Substances 0.000 claims abstract description 3
- 239000012528 membrane Substances 0.000 claims description 36
- 239000011810 insulating material Substances 0.000 claims description 9
- 239000007773 negative electrode material Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000007774 positive electrode material Substances 0.000 claims description 5
- 239000011149 active material Substances 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract 1
- 230000006866 deterioration Effects 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 229910010271 silicon carbide Inorganic materials 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 235000015110 jellies Nutrition 0.000 description 2
- 239000008274 jelly Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 229910002102 lithium manganese oxide Inorganic materials 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- VLXXBCXTUVRROQ-UHFFFAOYSA-N lithium;oxido-oxo-(oxomanganiooxy)manganese Chemical compound [Li+].[O-][Mn](=O)O[Mn]=O VLXXBCXTUVRROQ-UHFFFAOYSA-N 0.000 description 1
- URIIGZKXFBNRAU-UHFFFAOYSA-N lithium;oxonickel Chemical compound [Li].[Ni]=O URIIGZKXFBNRAU-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000002006 petroleum coke Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- 150000003609 titanium compounds Chemical class 0.000 description 1
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- 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
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0422—Cells or battery with cylindrical casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0431—Cells with wound or folded electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- 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
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
-
- 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
- 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
- H01M50/531—Electrode connections inside a battery casing
- H01M50/538—Connection of several leads or tabs of wound or folded electrode stacks
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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
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- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
本出願は、2018年10月5日付韓国特許出願第10−2018−0118865号に基づいた優先権の利益を主張し、当該韓国特許出願の文献に開示されている全ての内容は本明細書の一部として含まれる。
Claims (17)
- 正極、分離膜、負極が交互に積層された電極組立体;及び
前記電極組立体を収容する缶を含み、
前記負極は、負極活物質がコーティングされない負極無地部が、前記電極組立体の巻取中心軸方向を基準に、前記分離膜よりさらに突出されるように一側方向の端部に位置し、
前記正極は、正極活物質がコーティングされない正極無地部が、前記電極組立体の巻取中心軸方向を基準に、前記分離膜よりさらに突出されるように他側方向の端部に位置し、
前記缶は第1缶及び第2缶を含み、
前記負極無地部は前記第1缶の内面に直接接触し、前記正極無地部は前記第2缶の内面に直接接触する二次電池。 - 前記負極無地部は、巻取方向に沿って前記負極の一側端部の全体に形成されており、
前記正極無地部は、巻取方向に沿って前記正極の他側端部の全体に形成されている、請求項1に記載の二次電池。 - 前記電極組立体の巻取中心部に位置されるセンターピンをさらに含み、
前記電極組立体は、前記センターピンを取り囲んで巻き取られている、請求項1に記載の二次電池。 - 前記電極組立体は、前記センターピンにテープで固定されたまま巻き取られている、請求項3に記載の二次電池。
- 前記正極、前記分離膜、前記負極は、前記センターピンの外周面に巻き取られ、
前記電極組立体の巻取中心軸に対して垂直である前記電極組立体の厚さ方向にそれぞれ多数の重なり(Layer)を形成する、請求項3に記載の二次電池。 - 前記センターピンは、絶縁材質を含む、請求項3に記載の二次電池。
- 前記センターピンは、円筒状の形態で備えられる、請求項3に記載の二次電池。
- 前記電極組立体の巻取中心軸方向に前記センターピンの長さは、
前記負極無地部の一側端部から前記正極無地部の他側端部までの長さより短く形成される、請求項3に記載の二次電池。 - 前記電極組立体の巻取中心軸方向に前記分離膜の長さは、
前記センターピンの長さと同一に形成される、請求項8に記載の二次電池。 - 前記電極組立体の巻取中心軸方向に前記分離膜の長さは、
前記センターピンの長さより長く、前記負極無地部の一側端部から前記正極無地部の他側端部までの長さより短く形成される、請求項8に記載の二次電池。 - 前記センターピンの一側部が前記第1缶の内面と離隔されるように位置され、
前記センターピンの他側部が前記第2缶の内面と離隔されるように位置される、請求項10に記載の二次電池。 - 前記電極組立体の巻取中心軸方向に前記センターピンの長さは、
前記負極無地部の一側端部から前記正極無地部の他側端部までの長さと同一に形成される、請求項3に記載の二次電池。 - 前記センターピンの一側部が前記第1缶の内面に面接触し、前記センターピンの他側部が前記第2缶の内面に面接触する、請求項9及び12に記載の二次電池。
- 前記電極組立体の巻取中心軸方向に前記センターピンの長さは、
前記負極無地部の一側端部から前記正極無地部の他側端部までの長さより長く形成される、請求項3に記載の二次電池。 - 前記センターピンは、前記第1缶及び前記第2缶の外側に突出される、請求項14に記載の二次電池。
- 前記センターピンは、絶縁材質を含んで形成され、
前記電極組立体の巻取中心軸方向に前記センターピンの一側部及び他側部に伝導性物質がコーティングされ、
前記第1缶と前記センターピンの一側部が電気的に接続され、前記センターピンの一側部が正極端子を形成し、
前記第2缶と前記センターピンの他側部が電気的に接続され、前記センターピンの他側部が負極端子を形成する、請求項15に記載の二次電池。 - 前記第1缶及び前記第2缶は、中央側が前記センターピンに固定される、請求項15に記載の二次電池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2018-0118865 | 2018-10-05 | ||
KR1020180118865A KR102480958B1 (ko) | 2018-10-05 | 2018-10-05 | 이차전지 |
PCT/KR2019/012788 WO2020071717A1 (ko) | 2018-10-05 | 2019-10-01 | 이차전지 |
Publications (2)
Publication Number | Publication Date |
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JP2021528811A true JP2021528811A (ja) | 2021-10-21 |
JP7206562B2 JP7206562B2 (ja) | 2023-01-18 |
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JP2020569932A Active JP7206562B2 (ja) | 2018-10-05 | 2019-10-01 | 二次電池 |
Country Status (6)
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US (1) | US20210257652A1 (ja) |
EP (1) | EP3849005A4 (ja) |
JP (1) | JP7206562B2 (ja) |
KR (1) | KR102480958B1 (ja) |
CN (1) | CN112262491B (ja) |
WO (1) | WO2020071717A1 (ja) |
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JP2023529394A (ja) * | 2020-11-24 | 2023-07-10 | エルジー エナジー ソリューション リミテッド | 円筒形二次電池 |
CN217239536U (zh) * | 2021-01-19 | 2022-08-19 | 株式会社Lg新能源 | 电池及应用于其的集电体、包括该电池的电池组及汽车 |
KR102663271B1 (ko) * | 2021-03-24 | 2024-05-03 | 삼성에스디아이 주식회사 | 이차 전지 |
KR102606839B1 (ko) * | 2021-04-02 | 2023-11-29 | 삼화콘덴서공업 주식회사 | 표면실장형 고출력 에너지 저장 장치 |
CN113488728B (zh) * | 2021-07-02 | 2022-06-28 | 横店集团东磁股份有限公司 | 一种圆柱形电池 |
WO2023055088A1 (ko) * | 2021-09-30 | 2023-04-06 | 주식회사 엘지에너지솔루션 | 전극 조립체, 원통형 배터리 셀 및 이를 포함하는 배터리 팩 및 자동차 |
CN219226428U (zh) * | 2021-10-22 | 2023-06-20 | 株式会社Lg新能源 | 圆筒形电池、包括该圆筒形电池的电池组及汽车 |
KR20230074006A (ko) * | 2021-11-19 | 2023-05-26 | 주식회사 엘지에너지솔루션 | 절연테이프, 젤리롤, 이차 전지, 배터리 팩 및 자동차 |
SE2250079A1 (en) * | 2022-01-28 | 2023-07-29 | Northvolt Ab | Structure for a cylindrical secondary cell |
WO2024106989A1 (ko) * | 2022-11-16 | 2024-05-23 | 주식회사 엘지에너지솔루션 | 전극 조립체 및 이를 포함하는 배터리, 그리고 이러한 배터리를 포함하는 배터리 팩 및 자동차 |
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CN112262491A (zh) | 2021-01-22 |
US20210257652A1 (en) | 2021-08-19 |
JP7206562B2 (ja) | 2023-01-18 |
WO2020071717A1 (ko) | 2020-04-09 |
CN112262491B (zh) | 2024-05-28 |
EP3849005A4 (en) | 2022-04-20 |
KR102480958B1 (ko) | 2022-12-23 |
KR20200039214A (ko) | 2020-04-16 |
EP3849005A1 (en) | 2021-07-14 |
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