JP5479273B2 - 電極の製造方法および電極前駆体の処理方法 - Google Patents
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
- Y02E60/10—Energy storage using batteries
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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Description
電極前駆体を用意する工程は、たとえば、電極材料を混合する工程と、混合された電極材料を成形して電極前駆体を作製する工程と、を含む。
電極前駆体を用意する工程の後には、大気圧近傍の圧力下で発生させた放電プラズマに電極前駆体を曝す工程が行なわれる。
まず、粒状の炭素電極材(エア・ウォーター(株)製ベルファイン、LN−0001)と、アセチレンブラック(電気化学工業(株)製デンカブラック、HS−100)と、SBR系バインダー溶液(日本ゼオン(株)製、BM400B)と、濃度2%のカルボキシメチルセルロース水溶液(第一工業製薬(株)製、セロゲン3H)とを、炭素電極材:アセチレンブラック:SBR系バインダー溶液:濃度2%のカルボキシメチルセルロース水溶液=220:15:9:140の質量比で溶媒である水に十分に混合することによりスラリー液を得た。
まず、実験例1の試料No.1、2、4および6とそれぞれ同様にして、サンプル1〜4の電極を作製した。また、アルゴンガスおよびヘリウムガスの流量比(体積比)をアルゴンガス:ヘリウムガス=70:30とした混合ガスからなる処理ガスの放電プラズマに電極前駆体を60秒間曝したこと以外はサンプル1〜4と同様にしてサンプル5の電極を作製した。
まず、粒状の炭素電極材(エア・ウォーター(株)製ベルファイン、AP−20)と、アセチレンブラック(電気化学工業(株)製デンカブラック、HS−100)と、SBR系バインダー溶液(日本ゼオン(株)製、BM400B)と、濃度2%のカルボキシメチルセルロース水溶液(第一工業製薬(株)製、セロゲン3H)とを、炭素電極材:アセチレンブラック:SBR系バインダー溶液:濃度2%のカルボキシメチルセルロース水溶液=160:18:9:160の質量比で溶媒である水に十分に混合することによりスラリー液を得た。
Claims (5)
- 電極前駆体を用意する工程と、
大気圧近傍の圧力下で発生させた放電プラズマに前記電極前駆体を曝す工程と、を含み、
前記放電プラズマは、水素を含有するガスの放電プラズマであって、
前記ガス中における前記水素の含有量は、前記ガスの0.1体積%以上5体積%以下である、電極の製造方法。 - 前記電極前駆体を用意する工程は、電極材料を混合する工程と、前記混合された前記電極材料を成形して前記電極前駆体を作製する工程と、を含む、請求項1に記載の電極の製造方法。
- 前記電極材料は、炭素材料と、バインダーと、導電助剤と、を含む、請求項2に記載の電極の製造方法。
- 大気圧近傍の圧力下で発生させた放電プラズマに電極前駆体を曝す工程、を含み、
前記放電プラズマは、水素を含有するガスの放電プラズマであって、
前記ガス中における前記水素の含有量は、前記ガスの0.1体積%以上5体積%以下である、電極前駆体の処理方法。 - 前記電極前駆体は、炭素材料と、バインダーと、導電助剤と、を含む、請求項4に記載の電極前駆体の処理方法。
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Families Citing this family (3)
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WO2013031226A1 (ja) * | 2011-08-31 | 2013-03-07 | パナソニック株式会社 | 非水電解質二次電池 |
JP6744216B2 (ja) * | 2014-08-05 | 2020-08-19 | 株式会社エンビジョンAescエナジーデバイス | リチウムイオン電池の負極の製造方法、並びにリチウムイオン電池の製造方法 |
WO2018148212A1 (en) | 2017-02-07 | 2018-08-16 | Colorado State University Research Foundation | Thermoplastic carbon composite electrodes |
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