Advanced Lithium Battery Cathodes Using Dispersed Carbon Fibers as the Current Collector

Advanced Lithium Battery Cathodes Using Dispersed Carbon Fibers as the Current Collector

To fabricate LiFePO4 battery cathodes, highly conductive carbon fibers of 10-20 m in diameter have been used to replace a conventional aluminum (Al) foil current collector. This disperses the current collector throughout the cathode sheet and increases the contact area with the LiFePO4 (LFP) particl...

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Veröffentlicht in:Journal of the Electrochemical Society 2011, Vol.158 (9), p.A1060
Hauptverfasser: Martha, Surendra K., Kiggans, James O., Nanda, Jagjit, Dudney, Nancy J.
Format: Artikel
Sprache:eng
Schlagworte:
Carbon fiber
Electrochemical performance
LiFePO4
Lithium battery
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Zusammenfassung:To fabricate LiFePO4 battery cathodes, highly conductive carbon fibers of 10-20 m in diameter have been used to replace a conventional aluminum (Al) foil current collector. This disperses the current collector throughout the cathode sheet and increases the contact area with the LiFePO4 (LFP) particles. In addition, the usual organic binder plus carbon-black can be replaced by a high temperature binder of
ISSN:0013-4651
1945-7111
DOI:10.1149/1.3611436