论文部分内容阅读
Lithium-ion batteries are widely applied as the power source for mobile devices and required for applications in hybrid electric vehicles.Transition metal oxides,such as CoO,NiO,Co3O4 and CuO),which can reversibly react with lithium are the most appealing and competitive materials for lithium-ion batteries.The disadvantage of high initial capacity loss and poor cycling performance restrict the application of lithiumion batteries.To improve electrode capacity and rate capability,some studies proposed to synthesize materials with porous and high surface area.