Surface-sulfonation and fuel cell properties of phenylsilsesquiozane-based particles

摘要：

An inorganic-organic hybrid of phenylsilsesquioxane-silica (PhSiO3/2-SiO2) nanoparticle was prepared by sol-gel process, and a high proton-conducting electrolyte was synthesized by surface-sulfonation of phenyl groups of the particles. Chlorosulfonic acid was used as a sulfonation agent. The PhSiO3/2-SiO2 particles are chemically stable as well as flexible. The proton conductivity of the pelletized sample reached about 10-2 S/cm at 80℃ and 80% relative humidity (RH). The open circuit voltage (OCV) of the single cell prepared using the pelletized sample as an electrolyte for a H2-air fuel cell increased with increasing the RH of the cell. The maximum power density of～40 mW/cm2 and OCV of 0.9 V was obtained at 80℃ and 95% RH.

关键词： Proton conductivity Fuel cell Sulfonation Phenylsilsesquiozane Sol-gel

作者: Yusuke Daiko Kota Ogura Kiyofumi Katagiri Hiroyuki Muto Mototsugu Sakai Atsunori Matsuda

作者单位: Department of Materials Science, Toyohashi University of Technology, Tempaku, Toyohashi, Aichi 441-8 Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Nagoya, Aichi 46

会议类型: 国际会议

会议名称: The 16th International Conference on Solid State Ionics(第十六届国际固态离子学会议)

会议地点: 上海

会议语种:英文

页码: 1166-1169

在线出版日期: 2007-07-01（万方平台首次上网日期，不代表论文的发表时间）