Cylindrical lithium ion secondary battery

Details Cylindrical lithium ion secondary battery Cylindrical lithium ion secondary battery

2006-12-27

2010-10-12

Yuan, Dah-Wei D (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Plural concentric or single coiled electrode

C429S180000

Reexamination Certificate

active

07811697

ABSTRACT:
A cylindrical lithium ion secondary battery includes a center pin fabricated with an inexpensive material and having a coating layer formed on the outer surface of the center pin. The cylindrical lithium ion secondary battery includes an electrode assembly having the center pin inserted through the center of the electrode. A case is provided for housing the electrode assembly and an electrolyte. A cap assembly seals the case. The center pin includes a body formed from a metallic material and a coating layer is formed on the outer surface of the body.

REFERENCES:
patent: 5354625 (1994-10-01), Bentz et al.
patent: 2003/0148175 (2003-08-01), Iwanaga et al.
patent: 2005/0238930 (2005-10-01), Yoshida et al.
patent: 2005/0255380 (2005-11-01), Lasater et al.
patent: 2005-251446 (2005-09-01), None
patent: 2003-0043745 (2003-06-01), None
Korean Patent Abstracts, Publication No. 1020030043745 A; Publication Date: Jun. 2, 2003; in the name of Masato Iwanaga et al.

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