Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Reexamination Certificate
2011-04-19
2011-04-19
Cantelmo, Gregg (Department: 1726)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
C429S142000, C429S143000, C429S144000
Reexamination Certificate
active
07927746
ABSTRACT:
Systems and methods are provided to prevent separator failure in wound battery structures. The systems and methods employ reinforcing material that is attached or otherwise positioned relative to one or more battery structure components in area/s adjacent to a separator of a layered battery structure. The reinforcing material may be positioned relative to one or more battery structure components in a manner that reinforces or otherwise protects the area/s of the battery structure so as to reduce or substantially prevent occurrence of a conductive breach between negative active electrode material and positive active electrode material of the layered battery structure.
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Panasonic, “Meeting the Needs of Portable Electronic Devices: Lithium Ion Batteries”, Overview of Lithium Ion Batteries, Aug. 2003, 3 pgs.
Miller Bruce A.
Sterz Stephen
Cantelmo Gregg
Dell Products L.P.
O'Keefe, Egan Peterman & Enders LLP
Wang Eugenia
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