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Degradation of Fuel Cell Characteristic in PEFC by Hydrogen Peroxide
Namsun Choi,Ayami Kameda,Shinji Kato,Tomohiro Tanabe,Kazuhiko Noda,Hachiro Imai 한국표면공학회 2010 한국표면공학회 학술발표회 초록집 Vol.2010 No.11
The hydrogen peroxide made by the reaction in a fuel cell may degrade the conductivity in polymer electrolyte fuel cells (PEFC) . The degradation behavior of solid polymer electrolyte membrane in PEFC is investigated by using membrane that was immersed into hydrogen peroxide solutions as sample for each measurement. The measurement of the proton diffusion rate in the membrane was performed for the proton conductivity measurement. The current-cell voltage curve measurement was performed for the investigation of a fuel cell performance. The measurement of proton diffusion rate of a solid polymer electrolyte membrane can be applied to evaluate conductivity in a fuel cell.
Katsuya Mitamura,Takashi Norikane,Yuka Yamamoto,Kengo Fujimoto,Yasukage Takami,Mikiya Kato,Tomohiro Kameda,Hiroaki Dobashi,Yoshihiro Nishiyama 대한핵의학회 2021 핵의학 분자영상 Vol.55 No.1
We present a female in her sixties with mixed connective tissue disease who underwent 99mTc-human serum albumin diethylenetriaminepentaacetic acid (99mTc-HSA-DTPA) scintigraphy to clarify the cause of generalized edema. Scintigraphy findings directed the diagnosis to protein-losing gastroenteropathy. Various disorders are known to be associated with proteinlosing gastroenteropathy; however, mixed connective tissue disease is a rare cause. 99mTc-HSA-DTPA scintigraphy is helpful in the diagnosis and following the response to therapy of protein-losing gastroenteropathy.