JP7381459B2 - リチウムイオンバッテリーセパレーター - Google Patents
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- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
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- H01M50/411—Organic material
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- H01M8/1046—Mixtures of at least one polymer and at least one additive
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- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/1041—Polymer electrolyte composites, mixtures or blends
- H01M8/1046—Mixtures of at least one polymer and at least one additive
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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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- 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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- 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
- Y02E60/13—Energy storage using capacitors
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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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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Description
前記乾燥コーティング組成物が、
a)少なくとも2つの異なる重量平均粒度を有する離散ポリマー粒子、及び
b)随意としての電気化学的に安定な無機粒子
を含み、
前記離散ポリマー粒子の小さい方のポリマー粒子画分が1.5ミクロン未満の平均粒度を有し、もう一方の大きい方のポリマー粒子画分が1.5ミクロン超の重量平均粒度を有し、前記大きい方のポリマー粒子及び小さい方のポリマー粒子がそれぞれ独立してフルオロポリマー、ポリアミド、ポリエーテルエーテルケトン、ポリ(メタ)アクリレート、ポリエーテルケトンケトン及びポリエステルより成る群から選択される、前記多孔質セパレーターに関する。
前記乾燥コーティング組成物が、
a)少なくとも2つの異なる重量平均粒度を有する離散ポリマー粒子、及び
b)随意としての電気化学的に安定な無機粒子
を含み、
前記離散ポリマー粒子の小さい方のポリマー粒子画分が1.5ミクロン未満の平均粒度を有し、もう一方の大きい方のポリマー粒子画分が1.5ミクロン超の重量平均粒度を有し、
前記大きい方のポリマー粒子及び小さい方のポリマー粒子がそれぞれ独立してフルオロポリマー、ポリアミド、ポリエーテルエーテルケトン、ポリエーテルケトンケトン、ポリエステル及びポリ(メタ)アクリレートより成る群から選択される、前記多孔質セパレーター。
Claims (11)
- 平滑でない表面を有する乾燥コーティング組成物によって直接コーティングされた、電気化学的デバイス用多孔質セパレーターであって、
前記乾燥コーティング組成物が、
a)少なくとも2つの異なる重量平均粒度を有する離散ポリマー粒子、及び
b)随意としての電気化学的に安定な無機粒子
を含み、
前記離散ポリマー粒子の小さい方のポリマー粒子画分が20nm~500nmの重量平均粒度を有し、もう一方の大きい方のポリマー粒子画分が1.5ミクロン超の重量平均粒度を有し、
前記もう一方の大きい方のポリマー粒子及び小さい方のポリマー粒子がそれぞれ独立してフルオロポリマー、ポリアミド、ポリエーテルエーテルケトン、ポリエーテルケトンケトン、ポリエステル及びポリ(メタ)アクリレートより成る群から選択され、
前記離散ポリマー粒子のTgは60℃未満であり、前記大きい粒子が前記小さい方の粒子より低いTgを有する、前記多孔質セパレーター。 - 前記大きい方のポリマー粒子画分が2.0ミクロン超の重量平均粒度を有する、請求項1に記載の多孔質セパレーター。
- 前記小さい方のポリマー粒子画分対前記大きい方のポリマー粒子画分の比が少なくとも1である、請求項1又は2に記載の多孔質セパレーター。
- 前記大きい方のポリマー粒子と小さい方のポリマー粒子とが同じ化学物質又は異なる化学物質である、請求項1~3のいずれかに記載の多孔質セパレーター。
- 前記小さい方のポリマー粒子がポリフッ化ビニリデンのホモポリマー又はコポリマーを含む、請求項1~4のいずれかに記載の多孔質セパレーター。
- 前記大きいポリマー粒子及び前記小さいポリマー粒子の両方がフッ化ビニリデンモノマー単位を少なくとも70重量%含むポリフッ化ビニリデンホモポリマー又はコポリマーである、請求項1~5のいずれかに記載の多孔質セパレーター。
- 前記小さい粒子が官能化ポリフッ化ビニリデンを含む、請求項1~6のいずれかに記載の多孔質セパレーター。
- 前記大きい粒子が、前記乾燥コーティング組成物の表面の0.5~50面積%を占める、請求項1~7のいずれかに記載の多孔質セパレーター。
- 電気化学的に安定な無機粒子がポリマー固体及び無機粒子の合計を基準として50~99重量%存在し、前記無機粒子がBaTiO3、Pb(Zr,Ti)O3、Pb1-xLaxZryO3(0<x<1、0<y<1)、PbMg1/3Nb2/3O3、PbTiO3、ハフニウム(HfO、HfO2)、SrTiO3、SnO2、CeO2、MgO、NiO、CaO、ZnO、Y2O3、Al2O3、TiO2、SiO2、SiC、ZrO2、ケイ酸ホウ素、BaSO4、ナノクレー、セラミック又はそれらの混合物より成る群から選択される、請求項1~8のいずれかに記載の多孔質セパレーター。
- 前記乾燥コーティング組成物が0.5~15ミクロンの厚さを有する、請求項1~9のいずれかに記載の多孔質セパレーター。
- 請求項1~10のいずれかに記載の多孔質セパレーターを含むバッテリー、コンデンサ、電気二重層コンデンサ、膜電極組立体(MEA)又は燃料電池。
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Application Number | Priority Date | Filing Date | Title |
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US201762578701P | 2017-10-30 | 2017-10-30 | |
US62/578,701 | 2017-10-30 | ||
PCT/US2018/058075 WO2019089492A1 (en) | 2017-10-30 | 2018-10-30 | Lithium ion battery separator |
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Publication Number | Publication Date |
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JP2021501453A JP2021501453A (ja) | 2021-01-14 |
JP7381459B2 true JP7381459B2 (ja) | 2023-11-15 |
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US (1) | US11664558B2 (ja) |
EP (1) | EP3704749A4 (ja) |
JP (1) | JP7381459B2 (ja) |
KR (1) | KR102671920B1 (ja) |
CN (1) | CN111492507B (ja) |
TW (1) | TW201933655A (ja) |
WO (1) | WO2019089492A1 (ja) |
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CA3140783A1 (en) * | 2019-05-16 | 2020-11-19 | Enovix Corporation | Electrode assembly, secondary battery, and method of manufacture |
JP7567787B2 (ja) * | 2019-06-03 | 2024-10-16 | 日本ゼオン株式会社 | 電気化学素子用機能層付きセパレータ、および電気化学素子 |
EP3986335A4 (en) * | 2019-06-19 | 2023-10-04 | Arkema Inc. | NETWORK CARBON COMPOSITES |
CN114556680B (zh) * | 2019-10-31 | 2024-04-26 | 日本瑞翁株式会社 | 锂离子二次电池间隔件用功能层、带有锂离子二次电池间隔件用功能层的间隔件、锂离子二次电池、以及它们的制造方法 |
JPWO2021161842A1 (ja) * | 2020-02-12 | 2021-08-19 | ||
CN111192999A (zh) * | 2020-03-14 | 2020-05-22 | 东莞东阳光科研发有限公司 | 一种锂离子电池隔膜及其制备方法 |
WO2022016378A1 (zh) * | 2020-07-21 | 2022-01-27 | 宁德新能源科技有限公司 | 电池及电子装置 |
EP4002536A1 (en) * | 2020-11-18 | 2022-05-25 | Enovix Operations Inc. | Electrode assembly, secondary battery, and method of manufacture |
KR102442905B1 (ko) * | 2020-11-20 | 2022-09-15 | 더블유스코프코리아 주식회사 | 전극 접착층을 가지는 분리막 및 이를 포함하는 전기화학소자 |
TWI795101B (zh) * | 2020-11-30 | 2023-03-01 | 日商旭化成股份有限公司 | 蓄電裝置用分隔件及包含其之蓄電裝置 |
ES2994590T3 (en) * | 2020-11-30 | 2025-01-27 | Contemporary Amperex Technology Hong Kong Ltd | Separator, preparation method therefor and related secondary battery, battery module, battery pack and device |
JP7446459B2 (ja) | 2020-11-30 | 2024-03-08 | 寧徳時代新能源科技股▲分▼有限公司 | セパレータ、その製造方法およびそれに関連する二次電池、電池モジュール、電池パックならびに装置 |
EP4071914A4 (en) * | 2020-11-30 | 2024-11-13 | Contemporary Amperex Technology (Hong Kong) Limited | Separator, preparation method therefor and related secondary battery thereof, battery module, battery pack and device |
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WO2019089492A1 (en) | 2019-05-09 |
CN111492507B (zh) | 2022-12-30 |
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TW201933655A (zh) | 2019-08-16 |
KR102671920B1 (ko) | 2024-06-05 |
CN111492507A (zh) | 2020-08-04 |
EP3704749A1 (en) | 2020-09-09 |
EP3704749A4 (en) | 2021-09-08 |
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