3Malhotra S, Datta R. Membrane supported nonvolatileacidic ele ctrolytes allow higher temperature operation of proton- exchange membrane fuel cells[J]. J Electrochem Soc, 1997, 144:L23-L26.
4Felix N B, Bhuvanesh G, Otto H, et al. Study of radiation grafted FEP g- polystyrene membranes as polymer electrolytes in fuel cells[J]. Electrochimica Acta,1995,40(3) : 345 - 353.
5Lehtinen T, Sundholm G, Holmberg S, et al. Electrochemical characterization of PVDF- based proton conducting membranes for fuel cells[J]. Electrochimica Acta, 1998, 43(12-13): 1881-1890.
6Baradie B, Dodelet J P, Guay D. Hybrid Nation- inorganic membrane with potential applications for polyer electrolyte fuel cells[J]. J Electroanalytical Chem,2000,489. 101-105.
7Antonucci P L, Arico A S, Creti P, et al. Investigation of a direct methanol fuel cell based on a composite Nationsilica electrolyte for high temperture operation[J]. Solid State Ionics, 1999, 125:,431 437.
8Watanabe M, Uchida H, Emori M. Polymer electrolyte membranes incorporated with nanometer- size particles of Pt and/or metal oxides: Experimental analysis of the self - humidification and suppression of gas - crossover in fuel cells[J]. J Phys Chem B, 1998, 102: 3129-3137.
9Chisholm C R I, Haile S M. Superprotonic behavior of CsHS:O4 CsH2PO4 system[J]. Solid State Ion, 2000,136- 137: 229-241.
10Sossina M H Dane A B, Calum R I, et al. Solid acids as fuel cell electrolytes[J]. Nature, 2001, 410(19): 910-913.