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Summary & Details

EFFICIENT PRODUCTION OF HYDROGEN FROM AQUEOUS METHANOL IN A PEM ELECTROLYSER WITH SINTERED METAL POWDER POROUS FLOW FIELDS

Delivery: Available on this site

Format: PDF

Price: Non-members (tax incl.)：￥1,100 Members (tax incl.)：￥880

Publication code: 20117262

Paper/Info type: Other International Conferences

No.2011-39-7262

Pages: 1-5(Total 5 p)

Date of publication: May 2011

Publisher: Others, Unknown

Language: English

Event: EVTeC'11

Detailed Information

Category(E)	Fuel Cell & Hydrogen Production
Author(E)	1) Pham Tuan Anh, 2) Toshio Shudo
Affiliation(E)	1) Tokyo Metropolitan University, 2) Tokyo Metropolitan University
Abstract(J)	PEM電解槽に焼結金属粉多孔質体を用いた流れ場を形成することにより，有効電極面積の拡大，拡散分極の低減による反応物質の均一な分散と二酸化炭素除去の平滑化が可能となり，ストレート流路を用いる場合に比べ大幅な水素製造能力の向上が実現した.メタノール濃度やセル温度が水素製造に及ぼす影響に関しても議論する. Translation
Abstract(E)	This paper presents the studies carried out on electrolysis of aqueous methanol for hydrogen production in a proton exchange membrane electrolyser with a novel porous flow field made of sintered metal powder. Results show that the use of porous flow field has a significant improvement in hydrogen production performance compared to a groove flow field. This could be attributed to an increase in effective electrode area and to a reduction in diffusion polarization by using the porous material which enables the flow field to supply reactants evenly to the electrode and also removes carbon dioxide smoothly. Influences of the operating conditions such as methanol concentration and cell temperature on hydrogen production are also discussed.

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