Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Reexamination Certificate
2007-11-20
2007-11-20
Ryan, Patrick Joseph (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
C429S235000, C429S236000, C429S237000, C429S243000, C429S231950, C427S058000
Reexamination Certificate
active
10809848
ABSTRACT:
A negative electrode for a rechargeable lithium battery which is obtained by sintering under a non-oxidizing atmosphere, in the form of a layer on a surface of a metal foil current collector, an anode mix containing a binder and particles of active material containing silicon and/or a silicon alloy; the negative electrode being characterized in that the metal foil current corrector has projections and recesses on its surface, the projection is shaped to have a recurved side face portion that curves more outwardly as it extends closer to a distal end of the projection, and the binder penetrates into spaces defined by the recurved side face portions.
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Fukui Atsushi
Kusumoto Yasuyuki
Tarui Hisaki
Torimae Mariko
Kubovcik & Kubovcik
Martin Angela J.
Ryan Patrick Joseph
Sanyo Electric Co,. Ltd.
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