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:
Jan. 28, 2009
Ik Jae Son, Gyeonggi-do, KR;
Byung Ki Ahn, Gyeonggi-do, KR;
Tae Won Lim, Seoul, KR;
Jong Hyun Lee, Gyeonggi-do, KR;
Kwon Pil Park, Jeollanam-do, KR;
Ho Lee, Jeollanam-do, KR;
Chang Won Jung, Jeollanam-do, KR;
Seung Chan OH, Gyeonggi-do, KR;
Jae Jun Ko, Gyeonggi-do, KR;
Young Min Kim, Gyeonggi-do, KR;
Sae Hoon Kim, Gyeonggi-do, KR;
Jong Jin Yoon, Seoul, KR;
SE Joon Im, Gyeonggi-do, KR;
Ik Jae Son, Gyeonggi-do, KR;
Byung Ki Ahn, Gyeonggi-do, KR;
Tae Won Lim, Seoul, KR;
Jong Hyun Lee, Gyeonggi-do, KR;
Kwon Pil Park, Jeollanam-do, KR;
Ho Lee, Jeollanam-do, KR;
Chang Won Jung, Jeollanam-do, KR;
Seung Chan Oh, Gyeonggi-do, KR;
Jae Jun Ko, Gyeonggi-do, KR;
Young Min Kim, Gyeonggi-do, KR;
Sae Hoon Kim, Gyeonggi-do, KR;
Jong Jin Yoon, Seoul, KR;
Se Joon Im, Gyeonggi-do, KR;
Hyundai Motor Company, Seoul, KR;
Industry-Academy Cooperation Foundation, SCNU, Suncheon, Jeollanam-do, KR;
Abstract
The present invention provides an apparatus and method for determining deterioration of a fuel cell, the method including measuring in real time fluoride ion concentration or pH value of outflow water from a fuel cell stack during operation in a fuel cell vehicle, calculating a fluoride emission rate from the measured value and, if the calculated fluoride emission rate is out of a predetermined normal range, determining deterioration of an electrolyte membrane of the fuel cell stack.