High capacitive amorphous barium nickel phosphate nanofibers for electrochemical energy storage

Wang, Teng, Hao, Qingli, Liu, Jinzhang, Zhao, Jiachang, Bell, John M., & Wang, Hongxia (2016) High capacitive amorphous barium nickel phosphate nanofibers for electrochemical energy storage. RSC Advances, 6(51), pp. 45986-45992.

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Abstract

Ultrafine amorphous BaxNi3−x(PO4)2 (0 < x < 3) nanofibers are synthesized for the first time through a facile cation exchange reaction method at room temperature. Both the phase transformation and growing process of the nanofibers are systematically investigated. A dramatic morphology transformation from Ba3(PO4)2 flakes to BaxNi3−x(PO4)2 nanofibers with the addition of Ni2+ ions is observed. The as-prepared nanofiber material shows a diameter less than 10 nanometers and length of several micrometers. The material possesses a BET surface area of 64.8 m2 g−1. When it is used as a supercapacitor electrode material, specific capacitances as high as 1058 F g−1 at 0.5 A g−1 and 713 F g−1 at 5 A g−1 are achieved, indicating the promising energy storage property of this material.

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ID Code: 95694
Item Type: Journal Article
Refereed: Yes
DOI: 10.1039/c6ra08149e
ISSN: 2046-2069
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 22 May 2016 22:53
Last Modified: 24 May 2016 01:29

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