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dc.contributor.authorLiu, Y.
dc.contributor.authorWang, Z.
dc.contributor.authorVeder, Jean-Pierre
dc.contributor.authorXu, Z.
dc.contributor.authorZhong, Y.
dc.contributor.authorZhou, W.
dc.contributor.authorTade, Moses
dc.contributor.authorWang, Shaobin
dc.contributor.authorShao, Zongping
dc.identifier.citationLiu, Y. and Wang, Z. and Veder, J. and Xu, Z. and Zhong, Y. and Zhou, W. and Tade, M. et al. 2018. Highly Defective Layered Double Perovskite Oxide for Efficient Energy Storage via Reversible Pseudocapacitive Oxygen-Anion Intercalation. Advanced Energy Materials.

The use of perovskite materials as anion-based intercalation pseudocapacitor electrodes has received significant attention in recent years. Notably, these materials, characterized by high oxygen vacancy concentrations, do not require high surface areas to achieve a high energy storage capacity as a result of the bulk intercalation mechanism. This study reports that reduced PrBaMn 2 O 6- d (r-PBM), possessing a layered double perovskite structure, exhibits ultrahigh capacitance and functions as an excellent oxygen anion-intercalation-type electrode material for supercapacitors. Formation of the layered double perovskite structure, as facilitated by hydrogen treatment, is shown to significantly enhance the capacitance, with the resulting r-PBM material demonstrating a very high gravimetric capacitance of 1034.8 F g -1 and an excellent volumetric capacitance of ˜2535.3 F cm -3 at a current density of 1 A g -1 . The resultant formation of a double perovskite crystal oxide with a specific layered structure leads to the r-PBM with a substantially higher oxygen diffusion rate and oxygen vacancy concentration. These superior characteristics show immense promise for their application as oxygen anion-intercalation-type electrodes in pseudocapacitors.

dc.publisherWILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
dc.titleHighly Defective Layered Double Perovskite Oxide for Efficient Energy Storage via Reversible Pseudocapacitive Oxygen-Anion Intercalation
dc.typeJournal Article
dcterms.source.titleAdvanced Energy Materials
curtin.departmentSchool of Electrical Engineering, Computing and Mathematical Science (EECMS)
curtin.accessStatusFulltext not available

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