Latex binder for non-aqueous battery electrodes
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United States of America Patent
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Jun 4, 2002
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N/A
app pub date -
May 5, 2000
filing date -
May 5, 2000
priority date (Note) -
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Abstract
A water-soluble binder useful for preparing an electrode for either primary or secondary batteries, having either aqueous or non-aqueous electrolyte, contains polyacrylamide and at least one copolymer selected from carboxylated styrene-butadiene copolymer and styrene-acrylate copolymer. The water-dispersible binder eliminates or reduces the need for organic solvents during preparation of an electrode made of a particulate active electrode material. The binder exhibits good chemical resistance, adhesive properties, flexibility and resilience, making it well suited for use in preparing batteries having a spirally wound electrode assembly.
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