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On the electronic conductivity of phospho-olivines as lithium storage electrodes

On the electronic conductivity of phospho-olivines as lithium storage electrodes CORRESPONDENCE From our readers To the editor — The paper Electronically conductive phospho-olivines as lithium storage Table I Slow-scan voltammetry results for Li M FePO , with M = Zr or Nb. SS: stainless steel; PE: 0.99 0.01 4 electrodes by Chung et al., published in the polyethylene; PP: polypropylene. second issue of this journal ,suggests that the electrode material, LiFePO , can be doped to Doping agent Source Milling C Conductivity at % Capacity reach high electronic conductivity values. container (%) room temperature –1 (S cm ) This would alleviate the need for the use of carbon as a thin coating, or as an admixture in 4+ –9 Zr Zr(OC H ) SS 0.25 5.3 10 38.4 2 5 4 –7 large amounts of ultrafine powder, in order to PE/PP 0.90 5.0 10 57.8 reach its electrochemical capacity. We suggest 5+ –9 Nb Nb(OC H ) SS 0.14 2.4 10 50.4 6 5 5 that the effects seen by Chung et al. are due to –4 PE/PP 2.30 9.9 10 87.0 carbon for low-temperature samples, and to –8 Pristine SS 0.16 2.0.10 48.0 low-valency iron derivatives imparting –4 PE/PP 2.00 2.8 10 84.9 semimetallic conductivity in samples treated http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nature Materials Springer Journals

On the electronic conductivity of phospho-olivines as lithium storage electrodes

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On the electronic conductivity of phospho-olivines as lithium storage electrodes

Abstract

CORRESPONDENCE From our readers To the editor — The paper Electronically conductive phospho-olivines as lithium storage Table I Slow-scan voltammetry results for Li M FePO , with M = Zr or Nb. SS: stainless steel; PE: 0.99 0.01 4 electrodes by Chung et al., published in the polyethylene; PP: polypropylene. second issue of this journal ,suggests that the electrode material, LiFePO , can be doped to Doping agent Source Milling C Conductivity at % Capacity reach high electronic...
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References (2)

Publisher
Springer Journals
Copyright
Copyright © 2003 by Nature Publishing Group
Subject
Materials Science; Materials Science, general; Optical and Electronic Materials; Biomaterials; Nanotechnology; Condensed Matter Physics
ISSN
1476-1122
eISSN
1476-4660
DOI
10.1038/nmat1009a
Publisher site
See Article on Publisher Site

Abstract

CORRESPONDENCE From our readers To the editor — The paper Electronically conductive phospho-olivines as lithium storage Table I Slow-scan voltammetry results for Li M FePO , with M = Zr or Nb. SS: stainless steel; PE: 0.99 0.01 4 electrodes by Chung et al., published in the polyethylene; PP: polypropylene. second issue of this journal ,suggests that the electrode material, LiFePO , can be doped to Doping agent Source Milling C Conductivity at % Capacity reach high electronic conductivity values. container (%) room temperature –1 (S cm ) This would alleviate the need for the use of carbon as a thin coating, or as an admixture in 4+ –9 Zr Zr(OC H ) SS 0.25 5.3 10 38.4 2 5 4 –7 large amounts of ultrafine powder, in order to PE/PP 0.90 5.0 10 57.8 reach its electrochemical capacity. We suggest 5+ –9 Nb Nb(OC H ) SS 0.14 2.4 10 50.4 6 5 5 that the effects seen by Chung et al. are due to –4 PE/PP 2.30 9.9 10 87.0 carbon for low-temperature samples, and to –8 Pristine SS 0.16 2.0.10 48.0 low-valency iron derivatives imparting –4 PE/PP 2.00 2.8 10 84.9 semimetallic conductivity in samples treated

Journal

Nature Materials – Springer Journals

Published: Nov 1, 2003

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