Rusted iron wire waste into high performance anode (α-Fe2O3) for Li-ion batteries: An efficient waste management approach

Dattakumar Mhamane, Hyun Kyung Kim, Vanchiappan Aravindan, Kwang Chul Roh, Madhavi Srinivasan, Kwang Bum Kim

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Superior Li-storage properties are reported for interconnected α-Fe2O3 derived from iron based wires collected from waste i.e. building supplies or scrap. An interconnected morphology is acquired without the addition of any surfactant or shape controlling agent. We also explore the possibility of employing such a material as a potential low cost conversion type anode for the fabrication of Li-ion cells with a LiMn2O4 cathode. Remarkably, α-Fe2O3 displayed a capacity of ∼1119 mA h g-1 at a current density of 0.05 A g-1 in a half-cell configuration. Good cyclability is also noted, for example α-Fe2O3 delivered ∼800 mA h g-1 after 215 cycles at a current density of 0.2 A g-1. The irreversible capacity loss of the α-Fe2O3 anode has been effectively circumvented by an electrochemical pre-lithiation process and the anode is eventually paired with the eco-friendly cathode, LiMn2O4. The full-cell, LiMn2O4/α-Fe2O3 delivered the initial reversible capacity of ∼737 mA h g-1 with ∼78% retention after 40 cycles. This efficient waste management system with a gram scale synthesis procedure for α-Fe2O3 nanoparticles indeed paved the way for developing high performance Li-ion power packs for high energy requirements.

Original languageEnglish
Pages (from-to)1395-1404
Number of pages10
JournalGreen Chemistry
Volume18
Issue number5
DOIs
Publication statusPublished - 2016 Mar 7

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Waste management
waste management
Anodes
Iron
Wire
iron
ion
Cathodes
Current density
Ions
surfactant
Surface-Active Agents
Surface active agents
cost
Nanoparticles
energy
Fabrication
Lithium-ion batteries
lithium manganese oxide
battery

All Science Journal Classification (ASJC) codes

  • Environmental Chemistry
  • Pollution

Cite this

Mhamane, Dattakumar ; Kim, Hyun Kyung ; Aravindan, Vanchiappan ; Roh, Kwang Chul ; Srinivasan, Madhavi ; Kim, Kwang Bum. / Rusted iron wire waste into high performance anode (α-Fe2O3) for Li-ion batteries : An efficient waste management approach. In: Green Chemistry. 2016 ; Vol. 18, No. 5. pp. 1395-1404.
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Rusted iron wire waste into high performance anode (α-Fe2O3) for Li-ion batteries : An efficient waste management approach. / Mhamane, Dattakumar; Kim, Hyun Kyung; Aravindan, Vanchiappan; Roh, Kwang Chul; Srinivasan, Madhavi; Kim, Kwang Bum.

In: Green Chemistry, Vol. 18, No. 5, 07.03.2016, p. 1395-1404.

Research output: Contribution to journalArticle

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