Electrochemical cells having improved gelling agents
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United States of America Patent
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Issued Date -
May 31, 2007
app pub date -
Nov 30, 2005
filing date -
Nov 30, 2005
priority date (Note) -
Abandoned
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Abstract
The present disclosure relates to alkaline electrochemical cells, such as metal-air cells, which comprise a gelled anode including an improved gelling agent. The gelling agent is a self-wetting, easy to disperse gelling agent that allows for even wet-up of the gelling agent during water intake. The even wet up allows the gelling agent to reach its full matrix potential and anode active material coating ability with provides for better diffusion characteristics. Additionally, the gelling agent has a high electrolyte tolerance and can withstand the solution pressure commonly associated with high pH systems.
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