Electrolyte formulations for gas suppression and methods of use

摘要

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.

主权项

1. 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].