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Summary: 3D Nanoporous Nanowire Current Collectors for Thin Film
Microbatteries
Sanketh R. Gowda,
Arava Leela Mohana Reddy,
Xiaobo Zhan,
Huma R. Jafry,
and Pulickel M. Ajayan*,,,§
Department of Chemical and Biomolecular Engineering,
Department of Mechanical Engineering and Materials Science, and
§
Department of Chemistry, Rice University, Houston, Texas 77005, United States
*S Supporting Information
ABSTRACT: Conventional thin film batteries are fabricated based on planar
current collector designs where the high contact resistance between the
current collector and electrodes impedes overall battery performance. Hence,
current collectors based on 3D architectures and nanoscale roughness has
been proposed to dramatically increase the electrode-current collector surface
contact areas and hence significantly reduce interfacial resistance. The
nanorod-based current collector configuration is one of several 3D designs
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