Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Reexamination Certificate
2005-09-27
2005-09-27
Crepeau, Jonathan (Department: 1746)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Include electrolyte chemically specified and method
C429S309000
Reexamination Certificate
active
06949318
ABSTRACT:
A polymeric gel electrolyte and a lithium battery employing the same are disclosed. The polymeric gel electrolyte includes a first ionic conductive polymer having a weight-average molecular weight of greater than or equal to 5,000 and smaller than 100,000, a second ionic conductive polymer having a weight-average molecular weight of 100,000 to 5,000,000, and an electrolytic solution that includes a lithium salt and an organic solvent. The first ionic conductive polymer preferably is at least one polymer selected from polyethyleneglycol dimethylether, polyethyleneglycol diethylether, polyethyleneglycol dimethacrylate, polyethyleneglycol diacrylate, polypropyleneglycol dimethacrylate, polypropyleneglycol diacrylate, and mixtures and combinations thereof, and the second ionic conductive polymer preferably is at least one polymer selected from polyvinylidenefluoride, polyvinylidenefluoride-hexafluoropropylene copolymer, polyurethane, polyethylene oxide, polyacrylonitrile, polymethylmethacrylate, polyacrylamide, polyacetate, and mixtures and combinations thereof.
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Choi Young-min
Kang Byoung-hyun
Kim Jin-kyoung
Crepeau Jonathan
Lee & Morse P.C.
Samsung SDI & Co., Ltd.
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