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Issue 26, 2013
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Randomly stacked holey graphene anodes for lithium ion batteries with enhanced electrochemical performance

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Abstract

Holey graphene (HG) synthesized by a hydrothermal method followed by etching with KOH and ball milling is randomly stacked to form a porous structure. These randomly stacked holey graphene anodes exhibit high rate capability with excellent cycling stability as an anode material for lithium-ion cells. This fascinating electrochemical performance can be ascribed to their specific porous structure, providing numerous active sites for Li+ insertion, reduced effective diffusion distance for the Li+ ions, high electrical conductivity, low charge-transfer resistance across the electrolyte–electrode interface, and improved structural stability against the local volume change during Li+ insertion–extraction.

Graphical abstract: Randomly stacked holey graphene anodes for lithium ion batteries with enhanced electrochemical performance

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Publication details

The article was received on 30 Jan 2013, accepted on 03 May 2013 and first published on 03 May 2013


Article type: Paper
DOI: 10.1039/C3TA10457E
J. Mater. Chem. A, 2013,1, 7775-7781

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    Randomly stacked holey graphene anodes for lithium ion batteries with enhanced electrochemical performance

    Z. Jiang, B. Pei and A. Manthiram, J. Mater. Chem. A, 2013, 1, 7775
    DOI: 10.1039/C3TA10457E

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