کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7736300 | 1497970 | 2014 | 34 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Proton conducting, composite sulfonated polymer membrane for medium temperature and low relative humidity fuel cells
ترجمه فارسی عنوان
رسوب پروتون، غشاء پلیمری سولفون کامپوزیت برای دمای متوسط و سلول های سوخت رطوبت نسبی کم
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
چکیده انگلیسی
Inorganic-organic composite membranes are fabricated using zirconium acetylacetonate nanoparticles and biphenol-based sulfonated poly(arylene ether sulfone) as an inorganic, proton conducting nanomaterial and a polymer matrix, respectively. An amphiphilic surfactant (Pluronic®) induces distribution of the inorganic nanoparticles over the entire polymer membrane. The composite membranes are thermally stable up to 200 °C. Zirconium acetylacetonate improves inter-chain interactions and the robustness of polymer membranes resulting in excellent membrane mechanical properties. In addition, composite membranes show outstanding proton conductivity compared to that of the pristine membrane at medium temperatures (80-120 °C) and low relative humidity (<50%) conditions. This improvement is due to the presence of acetylacetonate anions, which bind water molecules and act as an additional proton conducting site and/or medium. Therefore, the composite membranes significantly outperform the pristine membrane in fuel cell performance tests at medium temperatures and low relative humidity.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Power Sources - Volume 262, 15 September 2014, Pages 162-168
Journal: Journal of Power Sources - Volume 262, 15 September 2014, Pages 162-168
نویسندگان
Dong Won Shin, Na Rae Kang, Kang Hyuck Lee, Doo Hee Cho, Ji Hoon Kim, Won Hyo Lee, Young Moo Lee,