Non-aqueous electrolyte secondary battery and method of...

Details Non-aqueous electrolyte secondary battery and method of... Non-aqueous electrolyte secondary battery and method of...

2011-06-28

2011-06-28

Weiner, Laura S (Department: 1726)

Metal working

Method of mechanical manufacture

Electrical device making

C029S623100, C429S231950, C429S218100, C429S324000, C429S137000, C429S246000, C429S199000, C429S200000, C427S058000

Reexamination Certificate

active

07967874

ABSTRACT:
A non-aqueous electrolyte secondary battery having a positive electrode and a negative electrode with an active material capable of absorbing and desorbing lithium, a separator interposed between the positive and negative electrodes, and a non-aqueous electrolyte. The negative electrode active material is covered by a coating having elasticity. The fully elastic coating expands and contracts following the volume change of the negative electrode active material; thus, the coating brings out its desired functions without being damaged or broken. Regardless of the degree of the volume change of the negative electrode active material, a lasting coating without damage is formed on the negative electrode active material, to improve performances of the non-aqueous electrolyte secondary battery.

REFERENCES:
patent: 6291107 (2001-09-01), Shimizu
patent: 2004/0258996 (2004-12-01), Kim et al.
patent: 09-035746 (1997-02-01), None
patent: 11-097059 (1999-04-01), None
patent: 2001-015158 (2001-01-01), None
patent: 2003-031259 (2003-01-01), None
patent: 2003-151621 (2003-05-01), None
United States Office Action issued in U.S. Appl. No . 11/358,083 dated Dec. 14, 2009.

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