4.8 Article

Polymers with Tailored Electronic Structure for High Capacity Lithium Battery Electrodes

Journal

ADVANCED MATERIALS
Volume 23, Issue 40, Pages 4679-+

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201102421

Keywords

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Funding

  1. Office of Vehicle Technologies of the U.S. DOE [DE-AC03-76SF00098]
  2. Office of Science, Office of Basic Energy Sciences, of the U.S. DOE [DE-AC02-05CH11231]

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A conductive polymer is developed for solving the long-standing volume change issue in lithium battery electrodes. A combination of synthesis, spectroscopy, and simulation techniques tailors the electronic structure of the polymer to enable in situ lithium doping. Composite anodes based on this polymer and commercial Si particles exhibit 2100 mAh g(-1) in Si after 650 cycles without any conductive additive.

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