Porous silicon as a proton exchange membrane for micro fuel cells

Translated title of the contribution: Porous silicon as a proton exchange membrane for micro fuel cells

Gyoko Nagayama, Naohiro Idera, Takaharu Tsuruta, JingRong Yu, Koji Takahashi, Michio Hori

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The porous silicon wafer filled with acid or Nafion was developed as a proton conduction membrane for micro fuel cells. The pores in size of 3 - 6 μm penetrated through the silicon wafer were prepared by anodic etching with back illumination. When the sulfuric solution or the Nafion solution sank the porous silicon substrate, it was assembled into the H2 / air feed fuel cell test section at ambient conditions using conventional electrodes. For the porous wafer filled with sulfuric solution of 10% and 20%, the open circuit voltages (OCV) of 0.932 V and 0.971 V were obtained and the maximum power density of 12.75 mW/cm2 was achieved. For the Nafion filled porous silicon wafer, an OCV of 0.892 V and a maximum power density of 1.27 mW/cm 2 were achieved.

Original languageJapanese
Pages (from-to)939-941
Number of pages3
JournalElectrochemistry
Volume73
Issue number11
Publication statusPublished - Nov 2005

Fingerprint

Porous silicon
Silicon wafers
Protons
Fuel cells
Ion exchange
Open circuit voltage
Membranes
Etching
Lighting
Electrodes
Acids
Substrates
Air
perfluorosulfonic acid

All Science Journal Classification (ASJC) codes

  • Electrochemistry

Cite this

Nagayama, G., Idera, N., Tsuruta, T., Yu, J., Takahashi, K., & Hori, M. (2005). Porous silicon as a proton exchange membrane for micro fuel cells. Electrochemistry, 73(11), 939-941.

Porous silicon as a proton exchange membrane for micro fuel cells. / Nagayama, Gyoko; Idera, Naohiro; Tsuruta, Takaharu; Yu, JingRong; Takahashi, Koji; Hori, Michio.

In: Electrochemistry, Vol. 73, No. 11, 11.2005, p. 939-941.

Research output: Contribution to journalArticle

Nagayama, G, Idera, N, Tsuruta, T, Yu, J, Takahashi, K & Hori, M 2005, 'Porous silicon as a proton exchange membrane for micro fuel cells', Electrochemistry, vol. 73, no. 11, pp. 939-941.
Nagayama G, Idera N, Tsuruta T, Yu J, Takahashi K, Hori M. Porous silicon as a proton exchange membrane for micro fuel cells. Electrochemistry. 2005 Nov;73(11):939-941.
Nagayama, Gyoko ; Idera, Naohiro ; Tsuruta, Takaharu ; Yu, JingRong ; Takahashi, Koji ; Hori, Michio. / Porous silicon as a proton exchange membrane for micro fuel cells. In: Electrochemistry. 2005 ; Vol. 73, No. 11. pp. 939-941.
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