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Issue 7, 2016
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Cotton derived porous carbon via an MgO template method for high performance lithium ion battery anodes

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Abstract

Porous carbon has received great attention for electrochemical energy storage devices. In this study, we proposed a novel and scalable method to fabricate porous carbon, which contained macro and mesopores, from sustainable biomass raw material of cotton cellulose. A MgO template, which acted as a pore creator, was incorporated into the cellulose-derived carbon by absorbing a Mg(NO3)2 solution into cellulose fibers with subsequent drying and carbonization processes. After removing the MgO template by acid leaching, porous carbon was produced with a specific surface area as high as 1260 m2 g−1. The sample showed attractive electrochemical performances as the anode material for Li ion batteries (LIBs). The carbon anode delivered a high reversible capacity of 793 mA h g−1 at a current density of 0.5 A g−1 after 500 cycles. The carbon anode also showed a high-rate capability and a capacity of 355 mA h g−1 can be obtained at a current density of 4 A g−1. A widespread comparison with the literature also showed that the cotton-derived porous carbon was among the most promising carbon-based anodes for LIBs.

Graphical abstract: Cotton derived porous carbon via an MgO template method for high performance lithium ion battery anodes

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Publication details

The article was received on 07 Oct 2015, accepted on 23 Nov 2015 and first published on 24 Nov 2015


Article type: Paper
DOI: 10.1039/C5GC02397A
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Green Chem., 2016,18, 2106-2114

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    Cotton derived porous carbon via an MgO template method for high performance lithium ion battery anodes

    C. Zhu and T. Akiyama, Green Chem., 2016, 18, 2106
    DOI: 10.1039/C5GC02397A

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