CPC H01M 8/1067 (2013.01) [H01M 8/1004 (2013.01); H01M 8/1039 (2013.01); H01M 8/1046 (2013.01); H01M 8/1048 (2013.01); H01M 8/1081 (2013.01); H01M 2008/1095 (2013.01); H01M 2300/0082 (2013.01)] | 12 Claims |
1. A polymer electrolyte membrane comprising:
(a) a polyelectrolyte having an ion exchange capacity of from 0.5 to 3.0 meq/g; and
(b) at least one scandium compound selected from the group consisting of scandium oxide, scandium acetate, scandium sulfate, scandium nitrate, and scandium carbonate, wherein
a polyethylene glycol (PEG)-derived compound in the polymer electrolyte membrane has a total content of greater than 0 and 10 ppm or less.
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