A nanoporous metal recuperated MnO2 anode for lithium ion batteries

Xianwei Guo, Jiuhui Han, Ling Zhang, Pan Liu, Akihiko Hirata, Luyang Chen, Takeshi Fujita, Mingwei Chen

研究成果: Article

44 引用 (Scopus)

抜粋

Lithium-ion batteries (LIBs) have been intensively studied to meet the increased demands for the high energy density of portable electronics and electric vehicles. The low specific capacity of the conventional graphite based anodes is one of the key factors that limit the capacity of LIBs. Transition metal oxides, such as NiO, MnO2 and Fe3O4, are known to be promising anode materials that are expected to improve the specific capacities of LIBs for several times. However, the poor electrical conductivity of these oxides significantly restricts the lithium ion storage and charge/discharge rate. Here we report that dealloyed nanoporous metals can realize the intrinsic lithium storage performance of the oxides by forming oxide/metal composites. Without any organic binder, conductive additive and additional current collector, the hybrid electrodes can be directly used as anodes and show highly reversible specific capacity with high-rate capability and long cyclic stability.

元の言語English
ページ(範囲)15111-15116
ページ数6
ジャーナルNanoscale
7
発行部数37
DOI
出版物ステータスPublished - 2015 10 7
外部発表Yes

ASJC Scopus subject areas

  • Materials Science(all)

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  • これを引用

    Guo, X., Han, J., Zhang, L., Liu, P., Hirata, A., Chen, L., Fujita, T., & Chen, M. (2015). A nanoporous metal recuperated MnO2 anode for lithium ion batteries. Nanoscale, 7(37), 15111-15116. https://doi.org/10.1039/c5nr05011a