Stabilized nonaqueous electrolytes for rechargeable batteries

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method

Reexamination Certificate

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C429S326000, C252S062200

Reexamination Certificate

active

07638243

ABSTRACT:
The invention relates to the use of aromatic phosphite compounds as stabilizers for nonaqueous electrolytic solutions containing halogenated salts such as LiPF6and LiBF4. The electrolyte containing such a phosphite exhibits excellent shelf life storage at ambient and high temperatures. The electrolytic solution is suitable for use in electrochemical cells such as lithium (ion) rechargeable batteries and supercapacitors.

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IPDL JPO Machine Translation for JP 2004-014351 (Publication date of Jan. 2004).
Search Report and Opinion for related application PCT/US07/63639.

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