2114 ポーラスシリコンを用いたマイクロ燃料電池の性能評価(J17-2 燃料電池(2) 固体高分子形燃料電池,ジョイントセッション,21世紀地球環境革命の機械工学:人・マイクロナノ・エネルギー・環境)

概要

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We applied the anodic etching to fabricate porous silicon for the application to the micro fuel cell. The effects of anodic etching conditions (i.e. the resistivity, voltage, current density, electrolyte concentration and illumination etc.) on the pore size and porosity were investigated. The porous silicon filled with electrolyte was used as a porous silicon membrane (PSM) in a micro fuel cell system. It was found that the Nafion filled PSM (in containing 3mol/l H_2SO_4 and 20% Nation solution) worked well and a maximum power density of 89.2 mW/cm^2 were achieved under the flow rate of 100ml/min for H_2 and 200ml/min for air.
社団法人日本機械学会の論文
2008-08-02