THERMALLY CROSSLINKABLE BINDER AQUEOUS SOLUTION FOR LITHIUM-ION BATTERY, THERMALLY CROSSLINKABLE SLURRY FOR LITHIUM-ION BATTERY NEGATIVE ELECTRODE, NEGATIVE ELECTRODE FOR LITHIUM-ION BATTERY, LITHIUM-ION BATTERY NEGATIVE ELECTRODE MATERIAL, AND LITHIUM-ION BATTERY AND METHOD FOR PRODUCING THE SAME

Provided are a thermally crosslinkable binder aqueous solution for a lithium-ion battery, a thermally crosslinkable slurry for a lithium-ion battery negative electrode, a negative electrode for a lithium-ion battery, a lithium-ion battery negative electrode material, as well as a lithium-ion battery...

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Hauptverfasser: AOYAMA, Satoru, IKEYATSU, Katsuhiko, OZAKI, Shinji, SASAGAWA, Naoki, GODA, Hideki, OKUBO, Katsuya
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:Provided are a thermally crosslinkable binder aqueous solution for a lithium-ion battery, a thermally crosslinkable slurry for a lithium-ion battery negative electrode, a negative electrode for a lithium-ion battery, a lithium-ion battery negative electrode material, as well as a lithium-ion battery and a method for producing the same. The thermally crosslinkable binder aqueous solution for a lithium-ion battery, containing water-soluble poly(meth)acrylamide and having a pH of 5 to 7, wherein the water-soluble poly(meth)acrylamide is a polymer of a monomer group containing, with respect to 100 mol% of the monomer group, 2 mol% to 60 mol% of a (meth)acrylamide group-containing compound , 10 mol% to 50 mol% of one or more unsaturated acids selected from the group consisting of unsaturated carboxylic acids and unsaturated sulfonic acids or an inorganic salt thereof , and 15 mol% to 78 mol% of hydroxyalkyl(meth)acrylate having a hydroxyalkyl group having 2 to 4 carbon atoms.