BINDER SOLUTION FOR LITHIUM ION BATTERY POSITIVE ELECTRODE, POWDERY BINDER FOR LITHIUM ION BATTERY POSITIVE ELECTRODE, SLURRY FOR LITHIUM ION BATTERY POSITIVE ELECTRODE, POSITIVE ELECTRODE FOR LITHIUM ION BATTERY, AND LITHIUM ION BATTERY

PROBLEM TO BE SOLVED: To provide a binder solution for a lithium ion battery positive electrode, powdery binder for a lithium ion battery positive electrode, a slurry for a lithium ion battery positive electrode, a positive electrode for a lithium ion battery, and a lithium ion battery.SOLUTION: A b...

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Hauptverfasser:	KOBAYASHI MICHINORI, AIDA HIDEKI, OZAKI MASAHITO, SASAGAWA KIYOKI, AOYAMA SATORU, IKETANI KATSUHIKO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Online-Zugang:	Volltext bestellen
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a binder solution for a lithium ion battery positive electrode, powdery binder for a lithium ion battery positive electrode, a slurry for a lithium ion battery positive electrode, a positive electrode for a lithium ion battery, and a lithium ion battery.SOLUTION: A binder solution for a lithium ion battery positive electrode comprises poly(meth)acrylic amide (A) which is a product of radical copolymerization of a group of monomers including (a) a monomer including a (meth)acrylic amide skeleton and (b) a monomer including a sulfonic group-substituted unsaturated hydrocarbon group, and which has a B type viscosity of 10,000-70,000 mPa s with a solid content of 15 mass% at 25°C.SELECTED DRAWING: None 【課題】リチウムイオン電池正極用バインダー水溶液、リチウムイオン電池正極用粉体状バインダー、リチウムイオン電池正極用スラリー、リチウムイオン電池用正極、リチウムイオン電池の提供。【解決手段】（メタ）アクリルアミド骨格含有モノマー（ａ）及びスルホン酸基置換不飽和炭化水素基含有モノマー（ｂ）を含むモノマー群のラジカル共重合物であるポリ（メタ）アクリルアミド（Ａ）を含み、かつ、２５℃、固形分１５質量％でのＢ型粘度が１０，０００〜７０，０００ｍＰａ・ｓである、リチウムイオン電池正極用バインダー水溶液。【選択図】なし