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Electrochemical and X-ray photoelectron spectroscopy studies of carbon black as an additive in Li batteries
Journal article   Peer reviewed

Electrochemical and X-ray photoelectron spectroscopy studies of carbon black as an additive in Li batteries

M. Manickam and M. Takata
Journal of Power Sources, Vol.112(1), pp.116-120
2002
DOI: https://doi.org/10.1016/S0378-7753(02)00371-3
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Abstract

The effect of carbon black (acetylene black) as a cathode additive in lithium batteries was studied using electrochemical and X-ray photoelectron spectroscopy (XPS) measurements. The characteristic discharge curves for various weight percent (wt.%) of carbon black were obtained. The optimum wt.% of carbon black as a compromise between the desire to have active material present and the necessity to have a conduction path through the pores of the electrodes was obtained. It is shown that the behavior of carbon exhibits porosity rather than electronic conductivity. XPS results show that the C 1s peak at 283 eV corresponding to acetylene black, decreases during discharge and increases during charge. These results suggest that porosity of the electrode decreases during discharge and increases during charge.

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Citation topics
2 Chemistry
2.62 Electrochemistry
2.62.138 Lithium-Ion Battery
Web Of Science research areas
Chemistry, Physical
Electrochemistry
Energy & Fuels
Materials Science, Multidisciplinary
ESI research areas
Materials Science
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