Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 9, Issue 4, Pages 667-670Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2006.10.048
Keywords
water electrolysis; solid polymer electrolyte; catalyst coated membrane; membrane electrode assembly; manufacturing process
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A novel manufacturing process for catalyst coated membrane (CCM) was utilized to fabricate the membrane electrode assemblies (MEA) for solid polymer electrolyte (SPE) water electrolysis. The properties and performance of the modified CCM were analyzed and evaluated by SEM, electrochemistry impedance spectroscopy (EIS) and I-V curves. The characterizations reveal that the sprayed Nafion layers are very effective for increasing the reaction interface between SPE and the electrode catalyst layer. The test experiments show that the SPE water electrolyzer with new M EA structure can lower about 0.1 V of water electrolysis voltage at atmosphere pressure and 2 A cm(-2). (c) 2006 Elsevier B.V. All rights reserved.
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