KR20160140468A - 전극 및 전극의 제조 방법 - Google Patents
전극 및 전극의 제조 방법 Download PDFInfo
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- KR20160140468A KR20160140468A KR1020160065018A KR20160065018A KR20160140468A KR 20160140468 A KR20160140468 A KR 20160140468A KR 1020160065018 A KR1020160065018 A KR 1020160065018A KR 20160065018 A KR20160065018 A KR 20160065018A KR 20160140468 A KR20160140468 A KR 20160140468A
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- 229910052809 inorganic oxide Inorganic materials 0.000 claims abstract description 76
- 239000000203 mixture Substances 0.000 claims abstract description 75
- 238000002844 melting Methods 0.000 claims abstract description 23
- 230000008018 melting Effects 0.000 claims abstract description 23
- 239000004020 conductor Substances 0.000 claims abstract description 8
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- 239000007774 positive electrode material Substances 0.000 description 31
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 13
- 229910001416 lithium ion Inorganic materials 0.000 description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 9
- -1 polyethylene Polymers 0.000 description 9
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 8
- 239000004698 Polyethylene Substances 0.000 description 8
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
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- H01M4/04—Processes of manufacture in general
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- H01M4/00—Electrodes
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- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
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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
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- H—ELECTRICITY
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- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
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Abstract
Description
도 1은 실시 형태에 관련된 전극체의 구성을 나타낸 개략도이다.
도 2는 가열시의 전극체의 상태를 나타낸 개략도이다.
도 3은 실시 형태에 관련된 전극의 제조 방법을 나타낸 플로우차트이다.
도 4a는 실시 형태에 관련된 전극의 제조 방법을 나타낸 도면이다.
도 4b는 실시 형태에 관련된 전극의 제조 방법을 나타낸 도면이다.
도 4c는 실시 형태에 관련된 전극의 제조 방법을 나타낸 도면이다.
도 4d는 실시 형태에 관련된 전극의 제조 방법을 나타낸 도면이다.
도 5는 실시 형태의 전극의 제조 방법에 있어서의 전극 및 스페이서의 단면도이다.
도 6은 무기산화물 입자층 형성 후의 전극 및 스페이서의 단면도이다.
도 7은 무기산화물 입자층 형성 후의 전극 및 스페이서의 단면도이다.
도 8은 리튬 이온 이차 전지를 나타낸 단면도이다.
도 9는 리튬 이온 이차 전지에 내장되는 전극체를 나타낸 도면이다.
Claims (7)
- 전극에 있어서,
도전성 물질로 이루어지는 집전체(11)와,
적어도 활물질을 포함하고, 상기 집전체(11)의 어떤 일면에 배치된 합제층(12)과,
절연성을 갖는 복수의 열가소성 수지 입자가 상기 합제층(12) 상에 배치된 열가소성 수지 입자층(13)과,
상기 집전체(11), 상기 합제층(12) 및 상기 열가소성 수지 입자층(13)으로 이루어지는 적층체의 측단면에 배치된, 절연성을 갖는 복수의 무기산화물 입자를 포함하는 다공질의 무기산화물 입자층(14)을 구비하며,
상기 무기산화물 입자의 융점은, 상기 열가소성 수지 입자의 융점보다 높은 전극. - 제 1 항에 있어서,
상기 전극은 정극인 전극. - 제 1 항 또는 제 2 항에 있어서,
상기 무기산화물 입자층(14)은 상기 측단면의 전체를 덮는 벽 형상을 갖는 전극. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 집전체는 상기 합제층이 유지되어 있지 않은 노출부(52)를 구비하고,
상기 측단면은 상기 노출부(52)가 있는 측과 반대측에 있는 전극. - 전극의 제조 방법에 있어서,
도전성 물질로 이루어지는 제 1 집전체(11) 상에, 적어도 활물질을 포함하는 합제를 배치하여 제 1 합제층(12)을 형성하고,
절연성을 갖는 복수의 열가소성 수지 입자를 상기 제 1 합제층 상에 배치하여 제 1 열가소성 수지 입자층(13)을 형성하고,
상기 제 1 집전체(11), 상기 제 1 합제층(12) 및 상기 제 1 열가소성 수지 입자층(13)으로 이루어지는 제 1 적층체의 제 1 측단면으로부터 돌출하지 않는 방향으로 오프셋한 위치에 스페이서(18)를 배치하고,
하기 (ⅰ) 또는 (ⅱ) 중 어느 하나를 행하는 전극의 제조 방법,
(ⅰ) 상기 스페이서(18)를 개재하여 상기 제 1 적층체의 일부에 상기 제 1 적층체의 그 외의 부분을 적층하고,
상기 열가소성 수지 입자보다 융점이 높은 무기산화물 입자를 상기 제 1 측단면에 도공함으로써 무기산화물 입자층(14)을 배치함,
(ⅱ) 상기 스페이서(18)를 개재하여 상기 제 1 적층체에 집전체, 합제층, 열가소성 수지층을 이 순서로 적층한 제 2 적층체를 적층하고,
상기 열가소성 수지 입자보다 융점이 높은 무기산화물 입자를 상기 제 1 측단면과 상기 제 1 측단면과 동일한 측에 있는 상기 제 2 적층체의 제 2 측단면에 도공함으로써 무기산화물 입자층(14)을 배치함. - 제 5 항에 있어서,
상기 스페이서의 두께가 5∼20 ㎛인 전극의 제조 방법. - 제 5 항 또는 제 6 항에 있어서,
상기 스페이서의 오프셋량이 1∼10 ㎜인 전극의 제조 방법.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2015-108788 | 2015-05-28 | ||
| JP2015108788A JP6451506B2 (ja) | 2015-05-28 | 2015-05-28 | 電極の製造方法 |
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| Publication Number | Publication Date |
|---|---|
| KR20160140468A true KR20160140468A (ko) | 2016-12-07 |
| KR101800348B1 KR101800348B1 (ko) | 2017-11-22 |
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| KR1020160065018A Active KR101800348B1 (ko) | 2015-05-28 | 2016-05-26 | 전극 및 전극의 제조 방법 |
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| Country | Link |
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| US (1) | US10411246B2 (ko) |
| JP (1) | JP6451506B2 (ko) |
| KR (1) | KR101800348B1 (ko) |
| CN (1) | CN106207194B (ko) |
| DE (1) | DE102016109203B4 (ko) |
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| EP4567936A3 (en) * | 2017-03-06 | 2025-09-03 | Ricoh Company, Ltd. | Film electrode, resin layer forming ink and electrode printing method |
| JP7279298B2 (ja) * | 2017-03-06 | 2023-05-23 | 株式会社リコー | 電極 |
| JP7414709B2 (ja) * | 2017-08-17 | 2024-01-16 | アプライド マテリアルズ インコーポレイテッド | オレフィンセパレータを含まないliイオンバッテリ |
| US20190135499A1 (en) * | 2017-11-09 | 2019-05-09 | Vinventions Usa, Llc | Thermoplastic material and use thereof in the production of a cork composite material |
| EP4696491A3 (en) | 2017-11-09 | 2026-05-06 | Vinventions USA, LLC | Method for manufacturing a closure for a product-retaining container |
| CN111315660A (zh) | 2017-11-09 | 2020-06-19 | 唯万盛美国有限责任公司 | 产品保持容器用封闭件的制造方法 |
| JP7032180B2 (ja) * | 2018-03-07 | 2022-03-08 | トヨタ自動車株式会社 | 電池およびその製造方法 |
| KR102259218B1 (ko) * | 2018-07-03 | 2021-05-31 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 전극, 및 이를 포함하는 리튬 이차 전지 |
| KR102259219B1 (ko) | 2018-07-03 | 2021-05-31 | 삼성에스디아이 주식회사 | 리튬 이차 전지 |
| KR102323950B1 (ko) | 2018-12-12 | 2021-11-08 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 전극 및 이를 포함하는 리튬 이차 전지 |
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| KR102492832B1 (ko) | 2019-05-03 | 2023-01-26 | 삼성에스디아이 주식회사 | 리튬 이차 전지 |
| KR102425514B1 (ko) | 2019-05-03 | 2022-07-25 | 삼성에스디아이 주식회사 | 리튬 이차 전지 |
| KR102425515B1 (ko) | 2019-05-03 | 2022-07-25 | 삼성에스디아이 주식회사 | 리튬 이차 전지 |
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| JP2013077467A (ja) | 2011-09-30 | 2013-04-25 | Gs Yuasa Corp | 電気化学装置 |
| JP2013127857A (ja) | 2011-12-16 | 2013-06-27 | Hitachi Ltd | リチウムイオン電池およびその製造方法 |
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| JP6232849B2 (ja) | 2012-09-26 | 2017-11-22 | 株式会社Gsユアサ | 蓄電素子 |
| CN105340123B (zh) | 2013-07-01 | 2018-01-05 | 三洋电机株式会社 | 非水电解质二次电池 |
| JP6024644B2 (ja) * | 2013-10-31 | 2016-11-16 | トヨタ自動車株式会社 | 電極一体型セパレータの製造方法 |
| KR102152143B1 (ko) * | 2016-11-24 | 2020-09-04 | 주식회사 엘지화학 | 전극판의 경계 부위에 절연 보강부가 형성된 분리막을 포함하는 전극조립체 |
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| DE102016109203B4 (de) | 2020-12-24 |
| US20160351885A1 (en) | 2016-12-01 |
| CN106207194B (zh) | 2019-03-01 |
| JP2016225077A (ja) | 2016-12-28 |
| KR101800348B1 (ko) | 2017-11-22 |
| JP6451506B2 (ja) | 2019-01-16 |
| CN106207194A (zh) | 2016-12-07 |
| DE102016109203A1 (de) | 2016-12-01 |
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