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Sulfonated poly(phthalazinone ether ketone) for proton exchange membranes in direct methanol fuel cells

โœ Scribed by Yi-Ming Sun; Tsang-Chi Wu; Ho-Chung Lee; Guo-Bin Jung; Michael D. Guiver; Yan Gao; Ying-Ling Liu; Juin-Yih Lai


Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
337 KB
Volume
265
Category
Article
ISSN
0376-7388

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Synthesis and characteristics of sulfona
โœ Shuang Gu; Gaohong He; Xuemei Wu; Chennan Li; Hongjing Liu; Chang Lin; Xiangcun ๐Ÿ“‚ Article ๐Ÿ“… 2006 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 261 KB

Sulfonated poly(phthalazinone ether sulfone ketone) (SPPESK) for proton exchange membranes were prepared by sulfonation of PPESK using fuming acid and sulfuric acid agent. The separation of SPPESK was carried out by precipitating in ether and then in acetone. The degree of sulfonation (DS) was deter