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:
Jan. 07, 2020
Filed:
Oct. 24, 2012
Applicant:
Johnson Matthey Fuel Cells Limited, London, GB;
Inventors:
Rachel Louise O'Malley, High Wycombe, GB;
Nadia Michele Permogorov, Didcot, GB;
Michael Ian Petch, Berkshire, GB;
Assignee:
Johnson Matthey Fuel Cells Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/10 (2016.01); H01M 8/1032 (2016.01); H01M 8/1027 (2016.01); H01M 4/90 (2006.01); H01M 8/1041 (2016.01); H01M 8/1053 (2016.01); H01M 4/92 (2006.01); H01M 8/1025 (2016.01); H01M 8/1023 (2016.01); H01M 8/1044 (2016.01); H01M 8/1004 (2016.01); H01M 8/1039 (2016.01);
U.S. Cl.
CPC ...
H01M 8/1032 (2013.01); H01M 4/9041 (2013.01); H01M 4/92 (2013.01); H01M 8/1004 (2013.01); H01M 8/1023 (2013.01); H01M 8/1025 (2013.01); H01M 8/1027 (2013.01); H01M 8/1039 (2013.01); H01M 8/1044 (2013.01); H01M 8/1053 (2013.01); H01M 8/1055 (2013.01); H01M 2300/0082 (2013.01); H01M 2300/0091 (2013.01); H01M 2300/0094 (2013.01);
Abstract
An ion-conducting membrane including a first layer and a second layer, wherein the first layer includes a perfluorosulphonic acid polymer and the second layer includes a sulphonated hydrocarbon polymer, characterised in that the ion-conducting membrane has a total thickness of from 5 μm to 50 μm and the second layer has a total thickness of 2 μm or less is disclosed.