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Elsevier, Heliyon, 2(2), p. e00081, 2016

DOI: 10.1016/j.heliyon.2016.e00081

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LiCoPO4 cathode from a CoHPO4·xH2O nanoplate precursor for high voltage Li-ion batteries

Journal article published in 2016 by Daiwon Choi, Xiaolin Li, Wesley A. Henderson, Qian Huang, Satish K. Nune ORCID, John P. Lemmon, Vincent L. Sprenkle
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

A highly crystalline LiCoPO4/C cathode material has been synthesized without noticeable impurities via a single step solid-state reaction using CoHPO4·xH2O nanoplate as a precursor obtained by a simple precipitation route. The LiCoPO4/C cathode delivered a specific capacity of 125 mAhg−1 at a charge/discharge rate of C/10. The nanoplate precursor and final LiCoPO4/C cathode have been characterized using X-ray diffraction, thermogravimetric analysis − differential scanning calorimetry (TGA-DSC), transmission electron microscopy (TEM), and scanning electron microscopy (SEM) and the electrochemical cycling stability has been investigated using different electrolytes, additives and separators.