Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Reexamination Certificate
2005-03-30
2009-11-03
Ryan, Patrick (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
C429S322000, C429S321000, C429S231700
Reexamination Certificate
active
07611804
ABSTRACT:
A nonaqueous secondary battery comprising an electrode body which comprises a positive electrode and a negative electrode laminated with a separator interposed between them, and a nonaqueous electrolyte, wherein said negative electrode comprises graphite as a negative electrode active material, and has a coating density of at least 1.70 g/cm3, pore diameter of the maximum of less than 0.5 μm, and the logarithmic value of differential intrusion of at least 0.14 cm3/g at the pore diameter of the maximum.
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Higuchi Hayato
Kita Fusaji
Sakata Hideo
Birch & Stewart Kolasch & Birch, LLP
Hitachi Maxell Ltd.
Lewis Ben
Ryan Patrick
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