Synthesis of LiNiPO4 via citrate sol–gel route

Synthesis of LiNiPO4 via citrate sol–gel route The charge transfer resistances (Rct) of LiNiPO were affected by purity and particles sizes. Owing to the presence of Li PO 4 3 4 and NiO impurities phase, sample a had high Rct. For other pure LiNiPO samples, the values of Rct decreased with a decrease of particles sizes. The purity was the main factor that affected electrical properties (charge transfer resistance and reversible capacity) of samples, followed by particles sizes. Highlights Pnma LiNiPO powders were prepared by citrate sol gel method. The annealing temperature and citric acid: Li molar ratio (cit/Li) affected the purity, structure and electrochemical properties of LiNiPO material. The increase of annealing temperature improved the purity and particles sizes of samples. With increasing the ratio of cit/Li, the particles sizes were increasing firstly and then decreasing. * Ying Tao yuzi256@126.com School of Materials Science and Engineering, Central South University, Changsha, Hunan 410083, China School of Materials Science and Engineering, Hunan University, Changsha, Hunan 410082, China 1234567890();,: 1234567890();,: Journal of Sol-Gel Science and Technology The purity was the main factor that affected electrical properties (charge transfer resistance and reversible capacity) of LiNiPO samples, followed by particles sizes. ● ● ● Keywords LiNiPO Sol–gel method Citric acid http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Sol-Gel Science and Technology Springer Journals

Synthesis of LiNiPO4 via citrate sol–gel route

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Publisher
Springer US
Copyright
Copyright © 2018 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Materials Science; Ceramics, Glass, Composites, Natural Materials; Inorganic Chemistry; Optical and Electronic Materials; Nanotechnology
ISSN
0928-0707
eISSN
1573-4846
D.O.I.
10.1007/s10971-018-4690-2
Publisher site
See Article on Publisher Site

Abstract

The charge transfer resistances (Rct) of LiNiPO were affected by purity and particles sizes. Owing to the presence of Li PO 4 3 4 and NiO impurities phase, sample a had high Rct. For other pure LiNiPO samples, the values of Rct decreased with a decrease of particles sizes. The purity was the main factor that affected electrical properties (charge transfer resistance and reversible capacity) of samples, followed by particles sizes. Highlights Pnma LiNiPO powders were prepared by citrate sol gel method. The annealing temperature and citric acid: Li molar ratio (cit/Li) affected the purity, structure and electrochemical properties of LiNiPO material. The increase of annealing temperature improved the purity and particles sizes of samples. With increasing the ratio of cit/Li, the particles sizes were increasing firstly and then decreasing. * Ying Tao yuzi256@126.com School of Materials Science and Engineering, Central South University, Changsha, Hunan 410083, China School of Materials Science and Engineering, Hunan University, Changsha, Hunan 410082, China 1234567890();,: 1234567890();,: Journal of Sol-Gel Science and Technology The purity was the main factor that affected electrical properties (charge transfer resistance and reversible capacity) of LiNiPO samples, followed by particles sizes. ● ● ● Keywords LiNiPO Sol–gel method Citric acid

Journal

Journal of Sol-Gel Science and TechnologySpringer Journals

Published: May 30, 2018

References

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