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Electrochemical and gas evolution characteristics of direct methanol fuel cells with stainless steel mesh flow beds

Lookup NU author(s): Emeritus Professor Keith Scott, Dr Panagiotis Argyropoulos, Dr Wathiq Taama


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Carbon dioxide gas management and bipolar plate (flow bed) design are important to the development of direct methanol fuel cell (DMFC) systems. If the gas produced at the anode is not removed rapidly and efficiently a gradual deterioration in electrical performance can occur. This paper examines the feasibility of using stainless steel mesh materials as flow beds for the DMFC. A flow visualization study, using a high-speed video camera and appropriate computer software, of the anode side, carbon dioxide gas evolution and flow behaviour with flow beds based on stainless steel mesh is reported. The electrochemical behaviour of the direct methanol fuel cell with stainless steel flow beds is also reported. A number of the flow bed designs, based on stainless steel mesh, showed promising behaviour in terms of gas removal characteristics and electrical performance.

Publication metadata

Author(s): Scott K; Taama WM; Argyropoulos P; Yiannopoulos P

Publication type: Article

Publication status: Published

Journal: Journal of Applied Electrochemistry

Year: 2001

Volume: 31

Issue: 8

Pages: 823-832

ISSN (print): 0021-891X

ISSN (electronic): 1572-8838

Publisher: Springer


DOI: 10.1023/A:1017559124395


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