POLYMER ACIDS AS PH-REDUCING BINDER OR AGENT FOR AQUEOUS LITHIUM-ION BATTERIES
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United States of America Patent
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Issued Date -
Mar 15, 2012
app pub date -
Apr 14, 2011
filing date -
Apr 14, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A positive electrode includes positive active material, conductive additive, water soluble polymer, water coated on the current collector. The slurry includes an active material, a water soluble binder, water, and a carboxylic acid-containing polymer sufficient to reduce the pH of the liquid slurry to a level below about 11.8. A method of forming an electrode is also disclosed.
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