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Chemically prepared graphene was used to form highly active electrodes for use as a cathode in a Li battery. The first discharge process gave a flat discharge plateau at 2.20 V at a current density of 50 mA g−1, and a discharge capacity of 528 mA h g−1 was obtained with a cutoff voltage of 2.0 V.
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Wang et al. (2009) studied this question.
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