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.
Patent No.:
Date of Patent:
Nov. 08, 2011
Filed:
Mar. 31, 2004
Applicants:
Hyuk Chang, Seongnam-si, KR;
Ji-rae Kim, Seoul, KR;
Inventors:
Hyuk Chang, Seongnam-si, KR;
Ji-rae Kim, Seoul, KR;
Assignee:
Samsung SDI Co., Ltd., Suwon, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
A microporous thin film, a method of forming the same and a fuel cell including the microporous thin film, are provided. The microporous thin film includes uniform nanoparticles and has a porosity of at least about 20%. Therefore, the microporous thin film can be efficiently used in various applications such as fuel cells, primary and secondary batteries, adsorbents, and hydrogen storage alloys. The microporous thin film is formed on a substrate, includes metal nanoparticles, and has a microporous structure with porosity of 20% or more.