کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1298785 1498371 2008 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Surface-sulfonation and fuel cell properties of phenylsilsesquioxane-based particles
موضوعات مرتبط
مهندسی و علوم پایه شیمی الکتروشیمی
پیش نمایش صفحه اول مقاله
Surface-sulfonation and fuel cell properties of phenylsilsesquioxane-based particles
چکیده انگلیسی
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 °C 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 °C and 95% RH.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Solid State Ionics - Volume 179, Issues 21–26, 15 September 2008, Pages 1166-1169
نویسندگان
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