Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate
2007-09-25
2007-09-25
Cantelmo, Gregg (Department: 1745)
Metal working
Method of mechanical manufacture
Electrical device making
C429S307000
Reexamination Certificate
active
10381887
ABSTRACT:
A lithium polymer secondary cell having a negative electrode, a positive electrode and, arranged between the electrodes, a polymer electrolyte layer, characterized in that the cell has been subjected to a heat treatment at a temperature of 40 to 60° C. after the assembly thereof. The polymer cell is freed of or is reduced in the adverse effect of a residual monomer and initiator on the performance of the cell. The polymer electrolyte is formed by cross-linking polymerization of a precursor monomer for an ion conducting polymer in a non-aqueous electrolyte, and the residual monomer and initiator contained therein is consumed by the heat treatment.
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Mitate Takehito
Nishijima Motoaki
Nishimura Naoto
Sada Tsutomu
Takashima Yumiko
Cantelmo Gregg
Nixon & Vanderhye P.C.
Sharp Corporation
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