Journal
JOURNAL OF EXPERIMENTAL NANOSCIENCE
Volume 13, Issue 1, Pages 258-271Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/17458080.2018.1509383
Keywords
Nanoparticles; catalysts; fuel cells; core@shell
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Funding
- EPSRC through the Centre for Doctoral Training in Fuel Cells and their Fuels [EP/L015749/1]
- EPSRC [EP/K027263/1]
- ERC [614787]
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The commercialisation of polymer electrolyte fuel cells (PEFCs) has been hampered by the high cost of platinum metal. Due to its high durability and catalytic activity, platinum is widely used to catalyse the oxygen reduction and hydrogen oxidation reactions essential to the operation of these cells. Core@shell nanoparticles with thin layers of platinum deposited on cores composed of cheaper materials have offered an attractive route towards the reduction of overall loading of platinum, with the retention of active catalyst surface area. This review surveys approaches taken to prepare idealised active and durable core@shell nanocatalysts by tweaking core compositions. A critical reflection on the current status of the field, as well as predictions as to likely directions for future developments, are discussed as a conclusion to the review.
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