Virus-Enabled Silicon Anode for Lithium-Ion Batteries
- 13 August 2010
- journal article
- Published by American Chemical Society (ACS) in ACS Nano
- Vol. 4 (9), 5366-5372
- https://doi.org/10.1021/nn100963j
Abstract
A novel three-dimensional Tobacco mosaic virus assembled silicon anode is reported. This electrode combines genetically modified virus templates for the production of high aspect ratio nanofeatured surfaces with electroless deposition to produce an integrated nickel current collector followed by physical vapor deposition of a silicon layer to form a high capacity silicon anode. This composite silicon anode produced high capacities (3300 mAh/g), excellent charge-discharge cycling stability (0.20% loss per cycle at 1C), and consistent rate capabilities (46.4% at 4C) between 0 and 1.5 V. The biological templated nanocomposite electrode architecture displays a nearly 10-fold increase in capacity over currently available graphite anodes with remarkable cycling stability.This publication has 38 references indexed in Scilit:
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