Porous Mn3O4 nanorod/reduced graphene oxide hybrid paper as a flexible and binder-free anode material for lithium ion battery

Seung-Keun Park, Chae-Yong Seong, Suyeon Yoo and Yuanzhe Piao

Energy, 2016, vol. 99, issue C, 266-273

Abstract: A highly flexible and free-standing, porous Mn3O4 nanorod/reduced graphene oxide (pMn3O4 NR/rGO) paper was prepared by a two-step process: vacuum filtration and thermal treatment. The MnOOH nanorod/graphene oxide (MnOOH NR/GO) paper obtained by a simple filtration method is transformed into pMn3O4 NR/rGO paper after a thermal reduction process. A unique lamellar structure was achieved with pMn3O4 NR homogeneously intercalated within the GO layers. In the hybrid structure, graphene nanosheets provide a conductive pathway and act as the buffer layers to prevent the pulverization of pMn3O4 NRs during reaction. Therefore, when used as the anode in lithium ion batteries, this pMn3O4 NR/rGO paper exhibits a first high discharge capacity of 943 mA h g−1, which quickly stabilizes and remains at 573 mA h g−1 even after 100 cycles at 100 mA h g−1, which is much higher than the discharge capacity of the corresponding pristine graphene paper (183 mA h g−1).

Keywords: Lithium ion battery; Anode; Porous structure; Manganese oxide; Free-standing graphene paper (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:99:y:2016:i:c:p:266-273

DOI: 10.1016/j.energy.2016.01.061

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