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:
May. 08, 2012
Filed:
Jun. 13, 2005
Hae-kyoung Kim, Seoul, KR;
Jae-sung Lee, Pohang-si, KR;
Hyun-chul Lee, Ulsan-si, KR;
Hyuk Chang, Seongnam-si, KR;
Chang-houn Rhee, Pohang-si, KR;
Hae-kyoung Kim, Seoul, KR;
Jae-sung Lee, Pohang-si, KR;
Hyun-chul Lee, Ulsan-si, KR;
Hyuk Chang, Seongnam-si, KR;
Chang-houn Rhee, Pohang-si, KR;
Samsung SDI Co., Ltd., Suwon, KR;
Abstract
The present invention relates to a modified inorganic material with excellent cation exchange capacity. In addition, the invention relates to a method of preparing the modified inorganic material, a composite electrolyte membrane comprising the modified inorganic material powder that has excellent methanol-repelling ability, and a fuel cell comprising the composite electrolyte membrane. The modified inorganic material includes an inorganic material, and a cation exchanger bonded to the inorganic material.