Composite of nonexpansion reduced graphite oxide and carbon derived from pitch as anodes of Na-ion batteries with high coulombic efficiency
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文摘
The nonexpansion RGO/C800 was synthesized by heat treatment after high temperature oil-phase treatment. The RGO/C800 possesses not only small specific surface area of 3 cm2 g−1, but also larger layer spacing. The initial coulombic efficiency has improved to 79.2%.

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