Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Process or means for producing – recycling – or treating...
Reexamination Certificate
2011-01-25
2011-01-25
Mayes, Melvin C (Department: 1732)
Chemistry: electrical current producing apparatus, product, and
Fuel cell, subcombination thereof, or method of making or...
Process or means for producing, recycling, or treating...
C429S408000, C429S049000
Reexamination Certificate
active
07875395
ABSTRACT:
A nonaqueous electrolytic cell manufacturing method is characterized in that a nonaqueous electrolyte containing vinylene carbonate is used, a coating on the surface of the negative electrode is formed at the initial charging/discharging in such a way by lowering the negative electrode potential to less than 0.4 V with relative to the lithium potential, wherein the nonaqueous electrolytic cell comprises a nonaqueous electrolyte containing an electrolytic salt and a nonaqueous solvent, a positive electrode, and a negative electrode containing a negative electrode material into/from which lithium ions are inserted/desorbed at a potential higher than the lithium potential by 1.2 V. The nonaqueous electrolytic cell is used in a range of negative electrode potential nobler than the lithium potential by 0.8 V.
REFERENCES:
patent: 6482550 (2002-11-01), Imachi et al.
patent: 2005/0221187 (2005-10-01), Inagaki et al.
patent: 2004-296256 (2004-10-01), None
patent: 2005-209433 (2005-08-01), None
patent: 2006-066341 (2006-03-01), None
English translation of Kawamoto (JP2000-348725).
Funabiki Atsushi
Katayama Yoshihiro
Kozono Suguru
Nukuda Toshiyuki
Yamafuku Taro
GS Yuasa Corporation
Kanesaka Manabu
Li Jun
Mayes Melvin C
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