Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Reexamination Certificate
2004-03-23
2010-12-07
Michener, Jennifer K (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Include electrolyte chemically specified and method
C429S302000, C429S309000, C429S313000, C252S062200
Reexamination Certificate
active
07846581
ABSTRACT:
The field of the present invention relates to the field of batteries and of polymer electrolytes for batteries and more particularly to the field of lithium batteries.The invention relates to a composition which can be polymerized and/or crosslinked by dehydrocondensation for a battery electrolyte comprising:a) at least one organohydropolysiloxane (POS) (A) having, per molecule, at least 2 hydrogen atoms directly bonded to silicon atoms;b) at least one organohydroxypolysiloxane (POS) (B) having, per molecule, at least 2 —OH groups directly bonded to silicon atoms;c) an effective amount of a dehydrocondensation catalyst (C); andd) at least one electrolyte salt (D);with the condition that the POS (A) and/or the POS (B) comprise(s), per molecule, at least one siloxyl unit comprising at least one group directly bonded to a silicon atom comprising a polyoxyalkylene (Poa) ether functional group.
REFERENCES:
patent: 4322518 (1982-03-01), Blizzard
patent: 5548055 (1996-08-01), Narang et al.
patent: 7744772 (2010-06-01), Gambut-Garel et al.
patent: 2002/0051911 (2002-05-01), Okada
patent: 2004/0197668 (2004-10-01), Jung et al.
Barrandon Georges
George Catherine
Giraud Yves
Vergelati Carroll
Barcena Carlos
Buchanan Ingersoll & Rooney P.C.
Michener Jennifer K
Rhodia Chimie
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