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The Use of Metal Hydrides in Fuel Cell Applications


This paper reviews state-of-the-art developments in hydrogen energy systems which integrate fuel cells with metal hydride-based hydrogen storage. The 187 reference papers included in this review provide an overview of all major publications in the field, as well as recent work by several of the authors of the review. The review contains four parts. The first part gives an overview of the existing types of fuel cells and outlines the potential of using metal hydride stores as a source of hydrogen fuel. The second part of the review considers the suitability and optimisation of different metal hydrides based on their energy efficient thermal integration with fuel cells. The performances of metal hydrides are considered from the viewpoint of the reversible heat driven interaction of the metal hydrides with gaseous H2. Efficiencies of hydrogen and heat exchange in hydrogen stores to control H2 charge/discharge flow rates are the focus of the third section of the review and are considered together with metal hydride – fuel cell system integration issues and the corresponding engineering solutions. Finally, the last section of the review describes specific hydrogen-fuelled systems presented in the available reference data.

Funding source: The South African co-authors acknowledge financial support of Department of Science and Technology (DST) in South Africa within on-going HySA Systems projects KP3-S02, KP3-S03 and KP8-S05. This work was also supported by Impala Platinum Limited / South Africa. Investment from the industrial funder has been leveraged through the Technology and Human Resources for Industry Programme, jointly managed by the South African National Research Foundation and the Department of Trade and Industry (NRF/DTI; THRIP Project TP1207254249). This work is also supported by ERAfrica EU FP7 program, project RE-037 ‘‘HENERGY’’. Finally, ML acknowledges the support of South African National Research Foundation (NRF) via incentive funding grant 76735
Countries: Croatia ; Norway ; South Africa

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