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Polymers 2012, 4(4), 1627-1644; doi:10.3390/polym4041627
Review

Novel Blend Membranes Based on Acid-Base Interactions for Fuel Cells

,
 and
*
Electrochemical Energy Laboratory & Materials Science and Engineering Program, The University of Texas at Austin, Austin, TX 78712, USA
* Author to whom correspondence should be addressed.
Received: 20 August 2012 / Revised: 25 September 2012 / Accepted: 26 September 2012 / Published: 11 October 2012
(This article belongs to the Special Issue Polymers for Fuel Cells & Solar Energy)
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Abstract

Fuel cells hold great promise for wide applications in portable, residential, and large-scale power supplies. For low temperature fuel cells, such as the proton exchange membrane fuel cells (PEMFCs) and direct methanol fuel cells (DMFCs), proton-exchange membranes (PEMs) are a key component determining the fuel cells performance. PEMs with high proton conductivity under anhydrous conditions can allow PEMFCs to be operated above 100 °C, enabling use of hydrogen fuels with high-CO contents and improving the electrocatalytic activity. PEMs with high proton conductivity and low methanol crossover are critical for lowering catalyst loadings at the cathode and improving the performance and long-term stability of DMFCs. This review provides a summary of a number of novel acid-base blend membranes consisting of an acidic polymer and a basic compound containing N-heterocycle groups, which are promising for PEMFCs and DMFCs.
Keywords: proton exchange membrane fuel cell; direct methanol fuel cell; proton conductivity; acid-base interaction; blend membrane proton exchange membrane fuel cell; direct methanol fuel cell; proton conductivity; acid-base interaction; blend membrane
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Zuo, Z.; Fu, Y.; Manthiram, A. Novel Blend Membranes Based on Acid-Base Interactions for Fuel Cells. Polymers 2012, 4, 1627-1644.

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