CELL SEPARATOR COATING LIQUID, CELL SEPARATOR, AND CELL

PROBLEM TO BE SOLVED: To provide a cell separator coating liquid coated on a separator substrate for manufacturing a cell separator capable of suppressing deterioration of charge and discharge characteristics in a lithium ion secondary cell, and a cell separator.SOLUTION: A cell separator coating li...

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Hauptverfasser:	KAJITA KEIICHI, FUSHIMI HAYAO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a cell separator coating liquid coated on a separator substrate for manufacturing a cell separator capable of suppressing deterioration of charge and discharge characteristics in a lithium ion secondary cell, and a cell separator.SOLUTION: A cell separator coating liquid includes a fibrous cellulose having an anionic substituent and a fiber width of 1000 nm or less, fine particles, lithium ions, and a dispersion medium. A cell separator includes a base material and a coating layer, and the coating layer contains a fibrous cellulose having an anionic substituent and a fiber width of 1000 nm or less, fine particles, and lithium ions.SELECTED DRAWING: None 【課題】リチウムイオン二次電池における充放電特性の低下を抑制し得る電池用セパレータを製造するためにセパレータ基材上に塗工される電池用セパレータ塗液及び電池用セパレータの提供。【解決手段】アニオン性置換基を有する繊維幅が１０００ｎｍ以下の繊維状セルロースと、微粒子と、リチウムイオンと、分散媒と、を含む電池用セパレータ塗液。また、基材と、塗工層と、を有し、前記塗工層は、アニオン性置換基を有する繊維幅が１０００ｎｍ以下の繊維状セルロースと、微粒子と、リチウムイオンと、を含む電池用セパレータ。【選択図】なし