Synthesis and Electrochemical Properties of Fe<sub>3</sub>C-carbon Composite as an Anode Material for Lithium-ion Batteries

Ayuko Kitajou, Shinji Kudo, Jun-ichiro Hayashi, Shigeto Okada

Research output: Contribution to journalArticle

Abstract

Novel Fe<sub>3</sub>C carbon composite was proposed as new low cost and low environmental impact anode for Li-ion battery. Although the delithiated capacity of Fe<sub>3</sub>C without AB were 100 mAh g<sup>−1</sup> in the first cycle at a rate of 7 mA g<sup>−1</sup>, that of Fe<sub>3</sub>C with AB was improved to 230 mAh g<sup>−1</sup> at a rate of 50 mA g<sup>−1</sup>. Moreover, nanoparticle-Fe<sub>3</sub>C carbon composite including a relatively high-purity Fe<sub>3</sub>C could be obtained from α-Fe<sub>2</sub>O<sub>3</sub> and ion-exchange resin. The best initial delithiated capacity more than 320 mAh g<sup>−1</sup> at a rate of 50 mA g<sup>−1</sup> and improved anode performance were obtained in the Fe<sub>3</sub>C-carbon composite sintered at 650°C.
Original languageEnglish
Pages (from-to)630-633
Number of pages4
JournalElectrochemistry
Volume85
Issue number10
DOIs
Publication statusPublished - 2017

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