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US 9,425,485 B1Granted
Electrolyte formulations for gas suppression and methods of use
AssigneeWildcat Discovery Technologies, Inc.
InventorsGang Cheng, Steven Kaye
Life of this patent
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Abstract
Combinations of additives for use in electrolyte formulations that provide a number of desirable characteristics when implemented within batteries, such as reduction, suppression, and/or inhibition of undesirable gas generation over several cycles of charging and discharging, in some cases during operation at high temperature and in some cases during high temperature storage.
Claims21
A battery comprising:
- an anode;
- a cathode;
- and
- a liquid electrolyte comprising a polymer additive in solution with an electrolyte solvent and a solid-electrolyte interface promoting additive, wherein the polymer additive comprises one or more of poly[(N-vinyl pyrrolidone)-co-(vinyl acetate)] and poly[1,6-bis(p-carboxyphenoxy)hexane].
1 more element
A method of making a battery, comprising:
- assembling an anode, a cathode, and a liquid electrolyte, wherein the liquid electrolyte comprises a solid-electrolyte interface promoting additive and a polymer additive in solution with an electrolyte solvent.
Dependencies are inferred from the claim text.