Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Reexamination Certificate
2004-07-21
2008-12-30
Ryan, Patrick (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Cell enclosure structure, e.g., housing, casing, container,...
C429S168000, C429S167000, C429S166000, C429S164000, C429S163000, C219S121640, C219S121600, C219S121610, C219S121620, C219S121630, C219S121650
Reexamination Certificate
active
07470487
ABSTRACT:
A battery having a bundle of electrodes and separator which is made by winding a positive-electrode plate and a negative-electrode plate together with a separator therebetween, one of the positive- and negative-electrode plates being electrically connected to a power collecting body, the power collecting body being provided in and welded to an outer package can, wherein a welding portion of the outer package can and the power collecting body comprises a first layer and a second layer which are stacked in a thickness direction of the outer package can at the welding portion, and the second layer is in contact with a surface of the first layer and includes crystal grains that are minuter than crystal grains included in the first layer.
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Fujisaka Etsuya
Hosokawa Hiroshi
Nakano Futoshi
Shimozono Kazuki
Tomimoto Kazuo
Lee Cynthia
Ryan Patrick
Sanyo Electric Co,. Ltd.
Westerman Hattori Daniels & Adrian LLP
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