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:
Apr. 14, 2020
Filed:
May. 13, 2014
Applicant:
Teknologian Tutkimuskeskus Vtt Oy, Espoo, FI;
Inventors:
Jari Ihonen, Espoo, FI;
Kaj Nikiforow, Espoo, FI;
Henri Karimäki, Espoo, FI;
Timo Keränen, Espoo, FI;
Assignee:
Teknologian tutkimuskeskus VTT Oy, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04492 (2016.01); H01M 8/04119 (2016.01); H01M 8/0444 (2016.01); H01M 8/04089 (2016.01); H01M 8/1018 (2016.01);
U.S. Cl.
CPC ...
H01M 8/04514 (2013.01); H01M 8/04097 (2013.01); H01M 8/04179 (2013.01); H01M 8/04462 (2013.01); H01M 8/1018 (2013.01); H01M 2008/1095 (2013.01); H01M 2250/20 (2013.01); H01M 2300/0082 (2013.01); Y02T 90/32 (2013.01);
Abstract
The invention relates to a method of determining water accumulation in and or removal from a fuel cell, the method comprising circulating fuel gas in the anode side of the fuel cell for producing electric energy in a fuel cell process, providing at least two purge pulses from the fuel circulation, analyzing the composition and/or volume of purged gas of said at least two gas purge pulses for determining the amount of water accumulation in and/or removal from the fuel cell.