Abstract
A mesoporous mesh Co3O4/C composite was synthesized by using a combustion synthesis (SCS) method with mixed fuel solution. The combustion reactivity can be controlled through adjusting the fuel composition. During combustion reaction, with the release of gas and the growth of Co3O4 particles, residual carbon and Co3O4 formed porous network that significantly improved the rate performance of the Co3O4/C composite. After 200 cycles, the Co3O4/C composite delivered reversible discharge/charge specific capacity of 1120/1025, 965/930, 889/837, and 772/706 mAh g-1 at current densities of 1 C, 2 C, 3 C, and 5 C, respectively. This work provides a guide for the synthesis of anode materials by using SCS with low energy consumption.
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