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:
Oct. 04, 2011

Filed:

Feb. 07, 2007
Applicants:

Suk-gi Hong, Yongin-si, KR;

Duck-young Yoo, Yongin-si, KR;

Jung-ock Park, Yongin-si, KR;

Woo-sung Jeon, Yongin-si, KR;

Inventors:

Suk-gi Hong, Yongin-si, KR;

Duck-young Yoo, Yongin-si, KR;

Jung-ock Park, Yongin-si, KR;

Woo-sung Jeon, Yongin-si, KR;

Assignee:

Samsung SDI Co., Ltd., Suwon-si, Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/02 (2006.01); H01M 4/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of preparing a metal catalyst including a conductive catalyst material and a coating layer formed of a water repellent material on the surface of the conductive catalyst material includes: obtaining a water repellent material solution by mixing a water repellent material and a first solvent; obtaining a conductive catalyst solution by mixing a conductive catalyst material and a first solvent; mixing the water repellent material solution and the conductive catalyst solution; casting the result onto a supporter, drying the cast result and then separating a metal catalyst in a solid state from the supporter; and pulverizing and sieving the product. Also provided is a method of preparing an electrode including the metal catalyst.


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