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Adv Mater. 2014 Nov 5;26(41):7096-101. doi: 10.1002/adma.201402552. Epub 2014 Sep 5.

Hydrothermal fabrication of three-dimensional secondary battery anodes.

Author information

1
Research Center for Biomimetic Functional Materials and Sensing Devices, Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei, Anhui, 230031, PR China; Department of Mechanical Sciences and Engineering, Frederick Seitz Materials Research Laboratory, Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA.

Abstract

A generalized hydrothermal strategy for fabricating three-dimensional (3D) battery electrodes is presented. The hydrothermal growth deposits electrochemically active nanomaterials uniformly throughout the complex 3D mesostructure of the scaffold. Ni inverse opals coated with SnO2 nanoparticles or Co3O4 nanoplatelets, and SiO2 inverse opals coated with Fe3O4 are fabricated, all of which show attractive properties including good capacity retention and C-rate performances.

KEYWORDS:

Li-ion batteries; hydrothermal synthesis; mesostructures; metal oxides; self-assembly

PMID:
25195592
DOI:
10.1002/adma.201402552

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