Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Reexamination Certificate
2006-12-26
2006-12-26
Cantelmo, Gregg (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Cell enclosure structure, e.g., housing, casing, container,...
C429S166000, C429S168000
Reexamination Certificate
active
07153606
ABSTRACT:
A secondary battery including an electrode group formed by winding a positive electrode and a negative electrode with the interposition of a separator, the positive electrode includes a belt-shaped positive electrode core and a positive electrode material mixture carried on the positive electrode core, the negative electrode includes a belt-shaped negative electrode core and a negative electrode material mixture carried on the negative electrode core, at least one of the positive electrode and the negative electrode has an end portion parallel to the lengthwise direction thereof exposing the core, the end portion positioned at an end face of the electrode group is directly connected to a current collector plate, and at least part of the current collector plate is exposed outside at the bottom of a battery case.
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Arai Naoto
Hashimoto Tetsu
Shirane Takayuki
Tanigawa Futoshi
Cantelmo Gregg
McDermott Will & Emery LLP
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