The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 22, 2011

Filed:

Jun. 30, 2006
Applicants:

Ho Chun Lee, Daejeon, KR;

Tae Yoon Park, Daejeon, KR;

Yong Su Choi, Cheongju-si, KR;

Hong Kyu Park, Daejeon, KR;

Inventors:

Ho Chun Lee, Daejeon, KR;

Tae Yoon Park, Daejeon, KR;

Yong Su Choi, Cheongju-si, KR;

Hong Kyu Park, Daejeon, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/056 (2010.01);
U.S. Cl.
CPC ...
Abstract

Disclosed is an electrolyte for a battery, which comprises: (a) an electrolyte salt; (b) a solvent for electrolyte; and (c) a compound represented by the following formula 1: wherein R is a halogen atom, or a halogen-substituted or non-substituted C1˜C10 alkyl group or alkenyl group. An electrode comprising a passivation layer partially or totally formed on a surface thereof, wherein the passivation layer comprises a compound represented by the following Formula 1 or a chemical reaction product thereof, and a secondary battery using the electrolyte and/or the electrode are also disclosed. The compound can improve the initial charge/discharge efficiency and cycle life characteristics of a secondary battery, and can inhibit a battery from swelling under high-temperature storage conditions.


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