KR102727898B1 - 전고체 전지 - Google Patents
전고체 전지 Download PDFInfo
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- KR102727898B1 KR102727898B1 KR1020190039349A KR20190039349A KR102727898B1 KR 102727898 B1 KR102727898 B1 KR 102727898B1 KR 1020190039349 A KR1020190039349 A KR 1020190039349A KR 20190039349 A KR20190039349 A KR 20190039349A KR 102727898 B1 KR102727898 B1 KR 102727898B1
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- 229920005989 resin Polymers 0.000 claims abstract description 45
- 239000007784 solid electrolyte Substances 0.000 claims abstract description 16
- 238000002347 injection Methods 0.000 claims abstract description 9
- 239000007924 injection Substances 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims description 13
- 238000000465 moulding Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 15
- 238000001746 injection moulding Methods 0.000 description 12
- 239000006182 cathode active material Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000007774 positive electrode material Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
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- 229910018133 Li 2 S-SiS 2 Inorganic materials 0.000 description 1
- 229910021102 Li0.5La0.5TiO3 Inorganic materials 0.000 description 1
- 229910009515 Li1.5Al0.5Ti1.5(PO4)3 Inorganic materials 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 1
- 229910010945 LiGe0.25P0.75S4 Inorganic materials 0.000 description 1
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- 229910014689 LiMnO Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910021385 hard carbon Inorganic materials 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910052809 inorganic oxide Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 239000000843 powder Substances 0.000 description 1
- 229910021384 soft carbon Inorganic materials 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0561—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
- H01M10/0562—Solid materials
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- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0565—Polymeric materials, e.g. gel-type or solid-type
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- 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
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
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- H01M50/10—Primary casings; Jackets or wrappings
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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
- H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
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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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/121—Organic material
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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
- H01M50/543—Terminals
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- 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
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- H01M50/50—Current conducting connections for cells or batteries
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Abstract
본 발명의 전고체 전지는, 집전체의 한 면에 양극을 형성한 양극 전극과, 양극 전극과 대향하여 집전체의 양극과 대향하는 면에 음극을 형성한 음극 전극과, 양극 전극과 음극 전극과의 사이에 위치하는 복수의 고체 전해질과 인접하는 복수의 고체 전해질의 사이에 각각 위치하여 집전체의 한 면에 양극을 형성하여 양극과 반대측의 면에 음극을 형성한 복수의 바이폴러 전극을 구비하는 고체 전지 적층체와, 상기 양극 전극에 인접해 배치된 양극 단자판과, 상기 음극 전극에 인접하여 배치된 음극 단자판과, 상기 고체 전지 적층체, 상기 양극 단자판 및 상기 음극 단자판을 금형내에 인서트하고, 가압 상태에서의 고압 수지의 사출에 의해 상기 고체 전지 적층체, 상기 양극 단자판 및 상기 음극 단자판을 봉지하는 수지 케이스를 구비한다.
Description
도 2는 도 1에 도시하는 전고체 전지의 내부 구조를 수직 단면에 의해 개략적으로 도시하는 도면이다.
도 3은 본 발명에 의한 전지 모듈을 도시하는 도면(전극 단자가 너트 타입의 예)이다. 내부를 도시하기 위해서 일부를 절단면으로 하고 있다.
도 4a 및 도 4b는 본 발명에 의한 전지 모듈을 도시하는 도면(전극 단자가 볼트 타입의 예)이다. 내부를 도시하기 위해서 일부를 절단면으로 하고 있다.
도 5a 및 도 5b는 본 발명에 의한 전지 모듈을 직렬로 접속한 예를 도시하는 도면이다.
도 6은 본 발명에 의한 전지 모듈을 병렬로 접속한 예를 도시하는 도면이다.
도 7은 본 발명에 의한 전지 모듈의 수지 케이스를 몰드(형태에 의한 성형)로 성형하는 경우의 상세를 도시하는 모식도이다.
21 : 집전체 22 : 양극
23 : 양극 전극 24 : 음극
25 : 음극 전극 26 : 고체 전해질
27 : 바이폴러 전극 30 : 양극 단자판
40 : 음극 단자판 4, 50 : 수지 케이스
60 : 도전성 재료 70 : 체결체
71 : 체결 볼트 3 : 단자
31 : 음극측 단자 32 : 양극측 단자
102 : 금형(우측) 103 : 금형(좌측)
104 : 압압 치구 105 : 푸쉬 볼트
106 : 덧댐판(셀 스택측)
107 : 덧댐판(금형측)
108 : 수지 사출관 109 : 금형의 오목부
110 : 체결 부재 F1 : 금형(우측)에의 압압력
F2 : 금형(좌측)에의 압압력
Claims (3)
- 집전체의 한 면에 양극을 형성한 양극 전극과, 양극 전극과 대향하여 집전체의 양극과 대향하는 면에 음극을 형성한 음극 전극과, 양극 전극과 음극 전극과의 사이에 위치하는 복수의 고체 전해질과, 인접하는 복수의 고체 전해질의 사이에 각각 위치하여 집전체의 한 면에 양극을 형성하여 양극과 반대측의 면에 음극을 형성한 복수의 바이폴러 전극을 구비하는 고체 전지 적층체와,
상기 양극 전극에 인접하여 배치된 양극 단자판과,
상기 음극 전극에 인접하여 배치된 음극 단자판과,
상기 고체 전지 적층체, 상기 양극 단자판 및 상기 음극 단자판을 금형내에 인서트하고, 가압 상태에서의 고압 수지의 사출에 의해 상기 고체 전지 적층체, 상기 양극 단자판 및 상기 음극 단자판을 봉지하는 수지 케이스,
를 구비하고,
상기 양극 단자판 및 상기 음극 단자판은 상기 고체 전지 적층체보다 길게 연장되고, 그 연장 설치된 단부에 상기 고체 전지 적층체의 방향으로 굴곡진 단자부가 각각 형성되고, 상기 수지 케이스에는 상기 단자부를 덮는 단자대가 일체로 형성되며,
상기 단자대는 전고체 전지를 전기 접속할 때의 기준이 되도록 상기 수지 케이스의 케이스면으로부터 돌출되게 형성되고, 너트 타입 접속의 단자대의 경우, 상기 단자부에 너트형 단자가 장착되어 상기 단자대는 상기 너트형 단자에 접속을 행하기 위한 기준이 되며, 볼트 타입 접속의 단자대의 경우, 상기 단자부에 볼트형 단자가 장착되어, 상기 단자대는 상기 볼트형 단자에의 접속을 위한 기준이 되는 것을 특징으로 하는 전고체 전지.
- 삭제
- 집전체의 한 면에 양극을 형성한 양극 전극과, 양극 전극과 대향하여 집전체의 양극과 대향하는 면에 음극을 형성한 음극 전극과, 양극 전극과 음극 전극과의 사이에 위치하는 복수의 고체 전해질과, 인접하는 복수의 고체 전해질의 사이에 각각 위치하여 집전체의 한 면에 양극을 형성하여 양극과 반대측의 면에 음극을 형성한 복수의 바이폴러 전극을 구비하는 고체 전지 적층체와,
상기 양극 전극에 인접하여 배치된 양극 단자판과,
상기 음극 전극에 인접하여 배치된 음극 단자판과,
상기 고체 전지 적층체, 상기 양극 단자판 및 상기 음극 단자판을 금형내에 인서트하고, 가압 상태에서의 고압 수지의 사출에 의해 상기 고체 전지 적층체, 상기 양극 단자판 및 상기 음극 단자판을 봉지하는 수지 케이스,
를 구비하고,
상기 수지케이스의 내부에는 상기 고압수지 사출시 상기 고체전지 적층체를 적층방향으로 눌러주는 압압 치구가 남겨지며 포함되는 것을 특징으로 하는 전고체 전지.
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JP2019034812A JP7319060B2 (ja) | 2019-02-27 | 2019-02-27 | 全固体電池 |
JPJP-P-2019-034812 | 2019-02-27 |
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KR20200104767A KR20200104767A (ko) | 2020-09-04 |
KR102727898B1 true KR102727898B1 (ko) | 2024-11-07 |
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JP (1) | JP7319060B2 (ko) |
KR (1) | KR102727898B1 (ko) |
CN (1) | CN111628215A (ko) |
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JP2000106154A (ja) * | 1998-09-28 | 2000-04-11 | Matsushita Electric Ind Co Ltd | 全固体電池およびその製造法 |
JP2008016263A (ja) * | 2006-07-04 | 2008-01-24 | Toyota Motor Corp | 蓄電機器 |
JP2008103288A (ja) | 2006-10-20 | 2008-05-01 | Idemitsu Kosan Co Ltd | 全固体電池 |
JP2018116917A (ja) | 2017-01-20 | 2018-07-26 | トヨタ自動車株式会社 | 全固体電池 |
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- 2019-04-04 KR KR1020190039349A patent/KR102727898B1/ko active Active
- 2019-10-23 US US16/661,709 patent/US11522226B2/en active Active
- 2019-10-31 CN CN201911049794.XA patent/CN111628215A/zh active Pending
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US20200274202A1 (en) | 2020-08-27 |
US11522226B2 (en) | 2022-12-06 |
JP2020140830A (ja) | 2020-09-03 |
KR20200104767A (ko) | 2020-09-04 |
CN111628215A (zh) | 2020-09-04 |
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