JP2022114709A - 電池およびその製造方法 - Google Patents
電池およびその製造方法 Download PDFInfo
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- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
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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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
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- H—ELECTRICITY
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- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
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- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
- H01M50/461—Separators, membranes or diaphragms characterised by their combination with electrodes with adhesive layers between electrodes and separators
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- H01M2004/027—Negative electrodes
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- H—ELECTRICITY
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- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
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- 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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- 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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
Description
Claims (10)
- 正極板、負極板、ならびに前記正極板および前記負極板の間に配置されるセパレータを含む電極体を備え、
前記正極板と前記セパレータとの間に第1の接着層が設けられ、
前記負極板と前記セパレータとの間に第2の接着層が設けられ、
前記第1の接着層の目付量は、前記第2の接着層の目付量よりも小さく、
前記第1の接着層の目付量および前記第2の接着層の目付量の合計が0.03g/m2以上0.15g/m2以下である、電池。 - 前記第1の接着層の目付量が0.01g/m2以上0.05g/m2以下である、請求項1に記載の電池。
- 前記セパレータは、樹脂製の基材と、無機粒子およびバインダーを含み、前記基材上に設けられた耐熱層とを含み、
前記第1の接着層を介して前記耐熱層と前記正極板とが対向し、
前記第2の接着層を介して前記基材と前記負極板とが対向する、請求項1または請求項2に記載の電池。 - 前記正極板は、リチウム遷移金属複合酸化物を含む正極合材層を有する、請求項1から請求項3のいずれか1項に記載の電池。
- 前記第1の接着層および前記第2の接着層は、アクリル樹脂系接着材、エポキシ樹脂系接着材、スチレンブタジエンゴム系接着材、シリコーンゴム系接着材、およびPVdF系接着材からなる群のうち少なくとも1つの接着材を含む、請求項1から請求項4のいずれか1項に記載の電池。
- 正極板、負極板、ならびに前記正極板および前記負極板の間に配置され、前記正極板と対向する第1面および前記負極板と対向する第2面を有するセパレータを含む電極体を形成する工程を備え、
前記電極体を形成する工程は、
前記セパレータの前記第1面に第1の接着層を形成し、前記セパレータの前記第2面に第2の接着層を形成することと、
前記第1の接着層を介して前記セパレータと前記正極板とを接着することと、
前記第2の接着層を介して前記セパレータと前記負極板とを接着することとを含み、
前記第1の接着層の目付量は、前記第2の接着層の目付量よりも小さく、
前記第1の接着層の目付量および前記第2の接着層の目付量の合計が0.03g/m2以上0.15g/m2以下である、電池の製造方法。 - 前記第1の接着層の目付量が0.01g/m2以上0.05g/m2以下である、請求項6に記載の電池の製造方法。
- 前記セパレータは、樹脂製の基材と、無機粒子およびバインダーを含み、前記基材上に設けられた耐熱層とを含み、
前記電極体を形成する工程は、
前記第1の接着層を介して前記耐熱層と前記正極板とを接着することと、
前記第2の接着層を介して前記基材と前記負極板とを接着することとを含む、請求項6または請求項7に記載の電池の製造方法。 - 前記正極板は、リチウム遷移金属複合酸化物を含む正極合材層を有する、請求項6から請求項8のいずれか1項に記載の電池の製造方法。
- 前記第1の接着層および前記第2の接着層は、アクリル樹脂系接着材、エポキシ樹脂系接着材、スチレンブタジエンゴム系接着材、シリコーンゴム系接着材、およびPVdF系接着材からなる群のうち少なくとも1つの接着材を含む、請求項6から請求項9のいずれか1項に記載の電池の製造方法。
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JP2021011115A JP7189978B2 (ja) | 2021-01-27 | 2021-01-27 | 電池およびその製造方法 |
US17/583,214 US12021263B2 (en) | 2021-01-27 | 2022-01-25 | Battery and method of manufacturing same |
CN202210090663.1A CN114824431A (zh) | 2021-01-27 | 2022-01-26 | 电池及其制造方法 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014021289A1 (ja) * | 2012-07-30 | 2014-02-06 | 帝人株式会社 | 非水電解質電池用セパレータ、非水電解質電池、および、非水電解質電池の製造方法 |
JP2015069957A (ja) * | 2013-10-01 | 2015-04-13 | 日立マクセル株式会社 | リチウムイオン二次電池用セパレータおよびその製造方法、並びにリチウムイオン二次電池およびその製造方法 |
WO2018207530A1 (ja) * | 2017-05-12 | 2018-11-15 | パナソニック株式会社 | 非水電解質二次電池 |
JP2019121507A (ja) * | 2018-01-04 | 2019-07-22 | 三井化学株式会社 | 二次電池用セパレータ、これを含む積層体およびその製造方法、捲回体、二次電池、ならびに塗工用樹脂組成物 |
JP2019169422A (ja) * | 2018-03-26 | 2019-10-03 | トヨタ自動車株式会社 | 積層電極体の製造方法 |
JP2019192340A (ja) * | 2018-04-18 | 2019-10-31 | 三井化学株式会社 | 二次電池用セパレータ、これを含む二次電池用積層体および捲回体、ならびに非水二次電池 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104247090B (zh) * | 2012-01-19 | 2017-10-31 | 索尼公司 | 隔膜、非水电解质电池、电池组、电子设备、电动车辆、电力存储装置和电力系统 |
JP6314832B2 (ja) * | 2012-11-26 | 2018-04-25 | 日本ゼオン株式会社 | 電極/セパレータ積層体の製造方法およびリチウムイオン二次電池 |
KR101676446B1 (ko) * | 2013-09-30 | 2016-11-15 | 주식회사 엘지화학 | 리튬 이차전지용 세퍼레이터의 제조방법, 그 방법에 의해 제조된 세퍼레이터, 및 이를 포함하는 리튬 이차전지 |
KR20150057481A (ko) * | 2013-11-19 | 2015-05-28 | 삼성에스디아이 주식회사 | 리튬 전지용 세퍼레이터, 이를 포함하는 리튬 전지, 및 상기 리튬 전지의 제조방법 |
JP6765439B2 (ja) * | 2016-04-01 | 2020-10-07 | エルジー・ケム・リミテッド | 接着層を含む電気化学素子用分離膜及び該分離膜を含む電極組立体 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014021289A1 (ja) * | 2012-07-30 | 2014-02-06 | 帝人株式会社 | 非水電解質電池用セパレータ、非水電解質電池、および、非水電解質電池の製造方法 |
JP2015069957A (ja) * | 2013-10-01 | 2015-04-13 | 日立マクセル株式会社 | リチウムイオン二次電池用セパレータおよびその製造方法、並びにリチウムイオン二次電池およびその製造方法 |
WO2018207530A1 (ja) * | 2017-05-12 | 2018-11-15 | パナソニック株式会社 | 非水電解質二次電池 |
JP2019121507A (ja) * | 2018-01-04 | 2019-07-22 | 三井化学株式会社 | 二次電池用セパレータ、これを含む積層体およびその製造方法、捲回体、二次電池、ならびに塗工用樹脂組成物 |
JP2019169422A (ja) * | 2018-03-26 | 2019-10-03 | トヨタ自動車株式会社 | 積層電極体の製造方法 |
JP2019192340A (ja) * | 2018-04-18 | 2019-10-31 | 三井化学株式会社 | 二次電池用セパレータ、これを含む二次電池用積層体および捲回体、ならびに非水二次電池 |
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CN114824431A (zh) | 2022-07-29 |
US12021263B2 (en) | 2024-06-25 |
US20220238961A1 (en) | 2022-07-28 |
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