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Novel fuel cell with nanocomposite functional layer designed by perovskite solar cell principle
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology. Faculty of Physics and Electronic Science, Hubei University, Wuhan, Hubei, China.
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2016 (English)In: Nano Energy, ISSN 2211-2855, Vol. 19, 156-164 p.Article in journal (Refereed) PublishedText
Abstract [en]

A novel fuel-to-electricity conversion technology resembling a fuel cell has been developed based on the perovskite solar cell principle using a perovskite, e.g. La0.6Sr0.4Co0.2Fe0.8O3-δ and an ionic nanocomposite material as a core functional layer, sandwiched between n- and p-conducting layers. The conversion process makes use of semiconductor energy bands and junctions properties. The physical properties of the junction and alignment of the semiconductor energy band allow for direct ion transport and prevent internal electronic short-circuiting, while at the same time avoiding losses at distinct electrolyte/electrode interfaces typical to conventional fuel cells. The new device achieved a stable power output of 1080mWcm-2 at 550°C in converting hydrogen fuel into electricity.

Place, publisher, year, edition, pages
Elsevier, 2016. Vol. 19, 156-164 p.
Keyword [en]
Energy band and alignment, Fuel cell, N and p conducting layer, Perovskite solar cell, Semiconductor-ionic functional layer
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:kth:diva-181456DOI: 10.1016/j.nanoen.2015.11.015ISI: 000369565400017ScopusID: 2-s2.0-84949190778OAI: oai:DiVA.org:kth-181456DiVA: diva2:900152
Funder
Swedish Research Council, 621-2011-4983EU, FP7, Seventh Framework Programme, 303454
Note

QC 20160203. QC 20160304

Available from: 2016-02-03 Created: 2016-02-02 Last updated: 2016-03-04Bibliographically approved

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