Lithium secondary battery with safety device

Chemistry: electrical current producing apparatus – product – and – With control means responsive to battery condition sensing... – Temperature control

Reexamination Certificate

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Details

C429S170000, C429S161000, C429S082000, C429S056000, C429S090000

Reexamination Certificate

active

07611797

ABSTRACT:
A lithium secondary battery includes a can made of a conductive metal. The can houses an electrode unit having positive and negative electrode plates with a separator interposed therebetween with an electrolytic solution. An upper opening of the can is sealed by a cap assembly. A bottom plate is welded to an outer bottom surface of the can, and a lead plate having a first end welded to the outer bottom surface of the can and a second end connected to a safety device so that the can is electrically connected to the safety device.

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U.S. Appl. No. 10/727,714, filed Dec. 5, 2003, Ju-hyung Kim, Samsung SDI Co., Ltd.
U.S. Appl. No. 10/743,866, filed Dec. 24, 2003, Eui-Sun Hong, Samsung SDI Co., Ltd.
Office Action issued on Apr. 6, 2007 by the Chinese Intellectual Property Office for Chinese Patent Application No. 200310124455.6.

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