Transition metal oxides for high performance sodium ion battery anodes

Yinzhu Jiang, Meijuan Hu, Dan Zhang, Tianzhi Yuan, Wenping Sun, Ben Xu, Mi Yan

Research output: Contribution to journalArticlepeer-review

360 Citations (Scopus)
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Sodium-ion batteries (SIBs) are attracting considerable attention with expectation of replacing lithium-ion batteries (LIBs) in large-scale energy storage systems (ESSs). To explore high performance anode materials for SIBs is highly desired subject to the current anode research mainly limited to carbonaceous materials. In this study, a series of transition metal oxides (TMOs) is successfully demonstrated as anodes for SIBs for the first time. The sodium uptake/extract is confirmed in the way of reversible conversion reaction. The pseudocapacitance-type behavior is also observed in the contribution of sodium capacity. For Fe2O3anode, a reversible capacity of 386 mAh g-1at 100 mA g-1 is achieved over 200 cycles; as high as 233 mAhg-1is sustained even cycling at a large current-density of 5 A g-1.
Original languageEnglish
Pages (from-to)60-66
JournalNano Energy
Early online date14 Feb 2014
Publication statusPublished - Apr 2014


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