JP2022045323A - 潤滑された活物質混合物を用いた乾式の電極製造 - Google Patents
潤滑された活物質混合物を用いた乾式の電極製造 Download PDFInfo
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Abstract
Description
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Claims (20)
- 自立型電極膜を製造する方法であって、
電極活物質と、バインダと、添加溶液とを含む混合物を準備する段階であって、前記添加溶液は、前記混合物の5重量パーセント未満の量であり、ポリマー添加物および液体キャリアを含んでおり、前記混合物は、95重量パーセントよりも大きい総固体含有量を有し、前記準備する段階は、前記添加溶液を前記電極活物質と混合して前記電極活物質を潤滑し、その後前記バインダを加える段階を有する、準備する段階と、
前記混合物に剪断力を受けさせる段階と、
前記混合物が前記剪断力を受けた後、前記混合物を加圧して自立型膜にする段階と
を備える、方法。 - 前記ポリマー添加物を前記液体キャリアと混合して、前記添加溶液を生成する段階をさらに備える、請求項1に記載の方法。
- 前記ポリマー添加物は、前記添加溶液の0.5~10重量パーセントである、請求項1または2に記載の方法。
- 前記ポリマー添加物は、前記添加溶液の1~5重量パーセントである、請求項3に記載の方法。
- 前記混合物は、導電性物質をさらに含み、前記準備する段階は、前記添加溶液を前記電極活物質と混合して前記電極活物質を潤滑し、その後前記バインダおよび前記導電性物質を加える段階を有する、請求項1から4のいずれか一項に記載の方法。
- 前記加圧する段階は、ローラプレスを前記混合物に当てる段階を有する、請求項1から5のいずれか一項に記載の方法。
- 電極を製造する方法であって、
請求項1に記載の方法と、
前記自立型膜を集電体の上に積層する段階と
を備える、方法。 - 自立型電極膜を製造する方法であって、
電極活物質と、バインダと、導電性ペーストとを含む混合物を準備する段階であって、前記導電性ペーストは、前記混合物の5重量パーセント未満の量であり、ポリマー添加物、液体キャリアおよび導電性物質を含み、前記混合物は、95重量パーセントよりも大きい総固体含有量を有し、前記準備する段階は、前記導電性ペーストを前記電極活物質と混合して前記電極活物質を潤滑し、その後前記バインダを加える段階を有する、準備する段階と、
前記混合物に剪断力を受けさせる段階と、
前記混合物が前記剪断力を受けた後、前記混合物を加圧して自立型膜にする段階と
を備える、方法。 - 前記ポリマー添加物、前記液体キャリアおよび前記導電性物質を混合して前記導電性ペーストを生成する段階をさらに備える、請求項8に記載の方法。
- 前記ポリマー添加物、前記液体キャリアおよび前記導電性物質を混合して前記導電性ペーストを生成する前記段階は、前記ポリマー添加物および前記液体キャリアを混合して添加溶液を生成し、その後、前記導電性物質を前記添加溶液の中に混合する段階を有する、請求項9に記載の方法。
- 前記ポリマー添加物は、前記添加溶液の0.5~10重量パーセントである、請求項10に記載の方法。
- 前記ポリマー添加物は、前記添加溶液の1~5重量パーセントである、請求項11に記載の方法。
- 前記導電性物質は、前記導電性ペーストの1~20重量パーセントである、請求項8から10のいずれか一項に記載の方法。
- 前記導電性物質は、前記導電性ペーストの2~15重量パーセントである、請求項13に記載の方法。
- 前記導電性物質は、前記導電性ペーストの5~10重量パーセントである、請求項14に記載の方法。
- 前記混合物は、前記導電性ペーストに含まれる前記導電性物質以外の第2の導電性物質をさらに含み、前記準備する段階は、前記導電性ペーストを前記電極活物質と混合して前記電極活物質を潤滑し、その後前記バインダおよび前記第2の導電性物質を加える段階を有する、請求項8に記載の方法。
- 前記加圧する段階は、ローラプレスを前記混合物に当てる段階を有する、請求項8に記載の方法。
- 電極を製造する方法であって、
請求項8に記載の方法と、
前記自立型膜を集電体の上に積層する段階と
を備える、方法。 - 自立型電極膜を製造する際に使用するための粉末混合物であって、
電極活物質と、
バインダと、
前記粉末混合物の5重量パーセント未満の量の添加溶液であって、ポリマー添加物および液体キャリアを含む、添加溶液と、を含み、
前記粉末混合物は、95重量パーセントよりも大きい総固体含有量を有する、
粉末混合物。 - 導電性物質をさらに含む、請求項19に記載の粉末混合物。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2022036222A (ja) * | 2017-03-30 | 2022-03-04 | 株式会社三洋物産 | 遊技機 |
JP2022036221A (ja) * | 2017-03-30 | 2022-03-04 | 株式会社三洋物産 | 遊技機 |
JP2022040248A (ja) * | 2017-03-30 | 2022-03-10 | 株式会社三洋物産 | 遊技機 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115881893B (zh) * | 2023-02-20 | 2023-05-23 | 四川新能源汽车创新中心有限公司 | 薄膜极片及其制备方法和应用 |
EP4427905A1 (en) | 2023-03-08 | 2024-09-11 | Automotive Cells Company SE | Manufacture of dry electrodes for batteries using a solvent free paste |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017517862A (ja) * | 2014-04-18 | 2017-06-29 | マックスウェル テクノロジーズ インコーポレイテッド | エネルギー貯蔵装置の乾式電極とその製造方法 |
JP2017532737A (ja) * | 2014-09-26 | 2017-11-02 | アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated | 2次電池電極のための高固形分ペースト製剤 |
JP2020196887A (ja) * | 2019-06-04 | 2020-12-10 | リキャップ テクノロジーズ、インコーポレイテッド | 温度活性化方法による乾式電極の製造 |
JP2021519495A (ja) * | 2018-03-30 | 2021-08-10 | マックスウェル テクノロジーズ インコーポレイテッド | 微粒子状非フィブリル化バインダを含む乾式電極フィルムのための組成物および方法 |
Family Cites Families (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1421514A (en) | 1973-04-26 | 1976-01-21 | Esb Inc | Sheeted cathodes for batteries |
JPS5928025B2 (ja) | 1973-06-12 | 1984-07-10 | 日立マクセル株式会社 | アルカリ電池の製法 |
JPS53142630A (en) | 1977-05-18 | 1978-12-12 | Sanyo Electric Co | Method of manufacturing cadmium electrode for alkaline battery |
JP3449679B2 (ja) * | 1997-01-29 | 2003-09-22 | 日立マクセル株式会社 | リチウム二次電池 |
TW505685B (en) | 1997-09-05 | 2002-10-11 | Mitsubishi Materials Corp | Transparent conductive film and composition for forming same |
JP3995791B2 (ja) | 1998-03-26 | 2007-10-24 | Tdk株式会社 | 非水電解質電池用電極の製造方法 |
CN1509481A (zh) | 2001-03-19 | 2004-06-30 | ������Դ�о����� | 具有高电子电导率的化合物、包含该化合物的电化学电池电极及制备电极和电化学电池的方法 |
US7297300B2 (en) | 2002-11-29 | 2007-11-20 | Daido Metal Company Ltd. | Method of making polarizable electrode for electric double layer capacitor |
JP3793751B2 (ja) | 2002-11-29 | 2006-07-05 | 大同メタル工業株式会社 | 電気二重層コンデンサ用分極性電極の製造方法 |
JP4184057B2 (ja) | 2002-12-05 | 2008-11-19 | Tdk株式会社 | 電極形成用塗布液、電極及び電気化学素子、並びに、電極形成用塗布液の製造方法、電極の製造方法及び電気化学素子の製造方法 |
US20050266298A1 (en) | 2003-07-09 | 2005-12-01 | Maxwell Technologies, Inc. | Dry particle based electro-chemical device and methods of making same |
US20050250011A1 (en) | 2004-04-02 | 2005-11-10 | Maxwell Technologies, Inc. | Particle packaging systems and methods |
US7791860B2 (en) | 2003-07-09 | 2010-09-07 | Maxwell Technologies, Inc. | Particle based electrodes and methods of making same |
US20100014215A1 (en) | 2004-04-02 | 2010-01-21 | Maxwell Technologies, Inc. | Recyclable dry particle based electrode and methods of making same |
US7920371B2 (en) | 2003-09-12 | 2011-04-05 | Maxwell Technologies, Inc. | Electrical energy storage devices with separator between electrodes and methods for fabricating the devices |
US7495349B2 (en) | 2003-10-20 | 2009-02-24 | Maxwell Technologies, Inc. | Self aligning electrode |
US10297827B2 (en) | 2004-01-06 | 2019-05-21 | Sion Power Corporation | Electrochemical cell, components thereof, and methods of making and using same |
US7384433B2 (en) | 2004-02-19 | 2008-06-10 | Maxwell Technologies, Inc. | Densification of compressible layers during electrode lamination |
US7492571B2 (en) | 2004-04-02 | 2009-02-17 | Linda Zhong | Particles based electrodes and methods of making same |
CN100337350C (zh) * | 2004-06-07 | 2007-09-12 | 松下电器产业株式会社 | 非水系二次电池的正极用电极板及该电极板的制造方法 |
WO2007029742A1 (ja) | 2005-09-08 | 2007-03-15 | Kuraray Co., Ltd. | 分極性電極 |
WO2007062126A1 (en) | 2005-11-22 | 2007-05-31 | Maxwell Technologies, Inc. | Ultracapacitor electrode with controlled binder content |
UA83075C2 (uk) | 2006-04-27 | 2008-06-10 | Елена Моисеевна Шембель | Електрод для первинних, вторинних літієвих джерел струму та суперконденсаторів і спосіб його виготовлення |
US20080089006A1 (en) | 2006-10-17 | 2008-04-17 | Maxwell Technologies, Inc. | Electrode for energy storage device |
US20080201925A1 (en) | 2007-02-28 | 2008-08-28 | Maxwell Technologies, Inc. | Ultracapacitor electrode with controlled sulfur content |
US8002921B2 (en) | 2008-05-29 | 2011-08-23 | Corning Incorporated | Electrodes for electric double layer devices |
US20110171371A1 (en) | 2010-01-13 | 2011-07-14 | CNano Technology Limited | Enhanced Electrode Composition for Li ion Battery |
CN102324317B (zh) | 2011-09-14 | 2017-04-19 | 中国第一汽车股份有限公司 | 一种用于柔性固态超级电容器的电极及其制备方法 |
FR2981206B1 (fr) * | 2011-10-06 | 2013-11-29 | Inst Polytechnique Grenoble | Procede de preparation d'electrodes flexibles auto-supportees. |
CN104521033B (zh) | 2012-03-30 | 2019-06-14 | 钟琳达 | 能量存储器电极及制备方法 |
JP6367207B2 (ja) * | 2013-03-19 | 2018-08-01 | エルジー・ケム・リミテッド | 低抵抗電気化学素子用電極、その製造方法及び電極を含む電気化学素子 |
JP6070834B2 (ja) | 2013-05-16 | 2017-02-01 | トヨタ自動車株式会社 | 電極ペーストの製造方法 |
US10923707B2 (en) | 2015-06-26 | 2021-02-16 | Florida State University Research Foundation, Inc. | Dry process method for producing electrodes for electrochemical devices and electrodes for electrochemical devices |
KR102711230B1 (ko) | 2017-03-21 | 2024-09-27 | 테슬라, 인크. | 전극 바인더의 패시베이션을 위한 조성물 및 방법 |
CN109428054B (zh) * | 2017-08-21 | 2021-06-25 | 宁德时代新能源科技股份有限公司 | 阳极极片、锂离子二次电池及制备方法 |
JP2021515975A (ja) * | 2018-02-28 | 2021-06-24 | バトリオン・アクチェンゲゼルシャフトBattrion AG | コーティングの製造のための方法 |
US11205778B2 (en) * | 2019-06-12 | 2021-12-21 | The Regents Of The University Of California | Conductive polymer emulsion |
CN111564632A (zh) * | 2020-05-20 | 2020-08-21 | 苏州柔能纳米科技有限公司 | 用于柔性电池的电极浆料的制备方法 |
-
2020
- 2020-09-08 US US17/014,862 patent/US11508956B2/en active Active
-
2021
- 2021-07-15 EP EP21185758.6A patent/EP3965181A1/en active Pending
- 2021-07-20 JP JP2021119484A patent/JP6992237B1/ja active Active
- 2021-08-12 CN CN202110924715.6A patent/CN114156425B/zh active Active
- 2021-08-19 KR KR1020210109185A patent/KR20220033016A/ko not_active Application Discontinuation
-
2022
- 2022-10-17 US US17/967,408 patent/US20230056854A1/en active Pending
-
2023
- 2023-07-10 KR KR1020230088769A patent/KR20230121688A/ko not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017517862A (ja) * | 2014-04-18 | 2017-06-29 | マックスウェル テクノロジーズ インコーポレイテッド | エネルギー貯蔵装置の乾式電極とその製造方法 |
JP2017532737A (ja) * | 2014-09-26 | 2017-11-02 | アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated | 2次電池電極のための高固形分ペースト製剤 |
JP2021519495A (ja) * | 2018-03-30 | 2021-08-10 | マックスウェル テクノロジーズ インコーポレイテッド | 微粒子状非フィブリル化バインダを含む乾式電極フィルムのための組成物および方法 |
JP2020196887A (ja) * | 2019-06-04 | 2020-12-10 | リキャップ テクノロジーズ、インコーポレイテッド | 温度活性化方法による乾式電極の製造 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2022036222A (ja) * | 2017-03-30 | 2022-03-04 | 株式会社三洋物産 | 遊技機 |
JP2022036221A (ja) * | 2017-03-30 | 2022-03-04 | 株式会社三洋物産 | 遊技機 |
JP2022040248A (ja) * | 2017-03-30 | 2022-03-10 | 株式会社三洋物産 | 遊技機 |
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