EXISTENCE OF OPTIMUM SPACE BETWEEN ELECTRODES ON HYDROGEN PRODUCTION BY WATER ELECTROLYSIS

Material type: 文書・図像類

Author: NAGAI, Nほか

Publisher: Elsevier Ltd

Publication date: 2003-01

Material Format: Digital

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Note (General)：: The effect of bubbles between electrodes on efficiency of hydrogen production by water electrolysis was experimentally investigated. The water electro...

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Material Type: 文書・図像類
Title: EXISTENCE OF OPTIMUM SPACE BETWEEN ELECTRODES ON HYDROGEN PRODUCTION BY WATER ELECTROLYSIS
Author/Editor: NAGAI, N
TAKEUCHI, M
KIMURA, T
OKA, T
Author Heading: NAGAI, N
TAKEUCHI, M
KIMURA, T
OKA, T
Publication, Distribution, etc.: Elsevier Ltd
Publication Date: 2003-01
Publication Date (W3CDTF): 2003-01
Periodical title: International Journal of Hydrogen Energy
No. or year of volume/issue: 28 1
Volume: 28
Issue: 1
Pages: 35-41
Text Language Code: eng
Target Audience: 一般
Note (General): The effect of bubbles between electrodes on efficiency of hydrogen production by water electrolysis was experimentally investigated. The water electrolysis of 10wt% potassium hydroxide (KOH) aqueous solution was conducted under atmospheric pressure using Ni-Cr-Fe alloy as electrodes. In order to examine void fraction between electrodes, the following parameters were controlled: current density, with or without separator, system temperature, space, height, inclination angle and surface wettability of electrodes. The efficiency of water electrolysis was qualitatively evaluated by the voltage drop value at a certain current density. The experimental results showed that increase of void fraction between electrodes by decreasing the electrode space brought about decrease of the electrolysis efficiency; i.e. there is an optimum condition of water electrolysis at a certain current density. In addition, a physical model of void fraction between electrodes was presented, which was found to represent a part of the qualitative tendency of experimental results.
Access Restrictions: 限定公開
Related Material (DOI): 10.1016/S0360-3199(02)00027-7
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ