Phosphate polyanion materials as high-voltage lithium-ion battery cathode: A review

JinKiong, Ling and Chelladurai, Karuppiah and Syam G., Krishnan and M. V., Reddy and Izan Izwan, Misnon and Mohd Hasbi, Ab. Rahim and Chun-Chen, Yang and Rajan, Jose (2021) Phosphate polyanion materials as high-voltage lithium-ion battery cathode: A review. Energy Fuels, 35 (13). pp. 10428-10450. ISSN 1520-5029. (Published)

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Followed by decades of successful efforts in developing cathode materials for high specific capacity lithiumion batteries, currently the attention is on developing a high voltage battery (>5 V vs Li/Li+ ) with an aim to increase the energy density for their many fold advantages over conventional <4 V batteries. Among the various cathode materials, phosphate polyanion materials (LiMPO4, where M is a single metal or a combination of metals) showed promising candidacy given their high electrochemical potential (4.8−5 V vs Li/Li+), long cycle stability, low cost, and achieved specific capacity (∼165 mAh·g−1) near to its theoretical limit (170 mAh·g−1). In this review, factors affecting the electrochemical potential of the cathode materials are reviewed and discussed. Techniques to improve the electrical and ionic conductivities of phosphate polyanion cathodes, namely, surface coating, particle size reduction, doping, and morphology engineering, are also discussed. A processing−property correlation in phosphate polyanion materials is also undertaken to understand relative merits and drawbacks of diverse processing techniques to deliver a material with targeted functionality. Strategies required for high-voltage phosphate polyanion cathode materials are envisioned, which are expected to deliver lithium-ion battery cathodes with higher working potential and gravimetric specific capacity

Item Type: Article
Uncontrolled Keywords: Coating materials; electrodes; transition tmetals; batteries; materials
Subjects: T Technology > T Technology (General)
T Technology > TP Chemical technology
Faculty/Division: Faculty of Industrial Sciences And Technology
Institute of Postgraduate Studies
Depositing User: Miss. Ratna Wilis Haryati Mustapa
Date Deposited: 14 Sep 2021 09:21
Last Modified: 17 Sep 2021 04:26
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