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A new strategy to activate graphite oxide as a high performance cathode material for lithium ion batteries

Abstract

Partially reduced graphite oxide (PRGO) has been prepared by the thermal reduction of GO at 220 ℃, and is investigated as the cathode material for lithium ion batteries. After an initial galvanostatic charging to 5.2 V process, the PRGO shows a high capacity of 230 mAh g-1, and the capacity retention can reach approximately 90% even after 8000 cycles at 1 A g-1. XPS, Raman, FTIR and TEM analysis show that the active oxygen function groups increase obviously after electrochemical activation, which is considered as the reason of capacity rise. This work demonstrates a novel strategy for the preparation of high performance organic cathode materials for lithium ion batteries.

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Publication details

The article was received on 19 Dec 2018, accepted on 27 Jan 2019 and first published on 28 Jan 2019


Article type: Paper
DOI: 10.1039/C8NJ06417B
Citation: New J. Chem., 2019, Accepted Manuscript

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    A new strategy to activate graphite oxide as a high performance cathode material for lithium ion batteries

    Y. Xie, W. Li, G. Hu, Z. Peng, Y. Cao and K. Du, New J. Chem., 2019, Accepted Manuscript , DOI: 10.1039/C8NJ06417B

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