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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Electrochemical hydrogen compressor ： ウィキペディア英語版 Electrochemical hydrogen compressor An electrochemical hydrogen compressor is a hydrogen compressor where hydrogen is supplied to the anode, and compressed hydrogen is collected at the cathode〔(Characterization of pem electrochemical hydrogen compressors )〕 with an exergy efficiency up to and even beyond 80% for pressures up to 10,000 psi or 700 bars.〔(Electrochemical hydrogen compressor )〕 ==Principle== A multi-stage electrochemical hydrogen compressor incorporates membrane-electrode-assemblies (MEAs) separated by proton exchange membranes (PEMs) in series to reach higher pressures, when a current is passed through the MEA protons and electrons are generated at the anode. The protons are electrochemically driven across the membrane to the cathode, after which they combine with the rerouted electrons to form hydrogen, which is fed to the hydrogen compressor to be oxidized at the anode of each cell to form protons and electrons. This type of compressor has no moving parts and is compact. With electrochemical compression of hydrogen a pressure of 5000 psi is achieved. Pressure is believed to go beyond 10,000 psi to the structural limits of the design.〔(Electrochemical hydrogen compressor )〕 Water vapor partial pressure, current density, operating temperature and hydrogen back diffusion due to the pressure gradient have an effect on the maximum output pressure. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Electrochemical hydrogen compressor」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.