不同纳米结构氧化钴的电化学性能

Electrochemical performance of cobalt oxide with different nanostructures

纳米结构的氧化钴具有理论比电容大、催化活性高、热化学稳定性好等优点,在电池、超级电容器、电催化等领域具有广阔的应用前景.结构与性能互补的纳米材料,如纳米碳、碳纳米管、石墨烯、金属氧化物等,其电化学性能可在可逆容量/电容、速率能力、循环稳定性和催化活性等方面得到进一步增强.对氧化钴纳米材料的结构与性能及其在电储能和电催化方面的应用进行了全面的介绍,总结了氧化钴基纳米材料的结构与性能的关系,为推动该类材料在能量转换和存储器件中的实际应用提供了一定的理论借鉴,并对该类材料在电化学能源应用中的未来研究进行了展望.

Nanostructured cobalt oxide has advantages such as high theoretical capacitance,high catalytic activity and good thermochemical stability.It has broad application prospects in fields such as batteries,supercapacitors and electroca talysis.Nanomaterials with complementary structures and properties,such as nanocarbons,carbon nanotubes,graphene,metal oxides,etc.,can further enhance their electrochemical performance in terms of specific reversible capacity/capacitance,rate capability,cycling stability and catalytic activity.This article provides a comprehensive introduction to the structure and properties of cobalt oxide nanomaterials,as well as their applications in energy storage and electrocatalysis.The relationship between the structure and properties of cobalt oxide-based nanomaterials is summarized,laying a theoretical foundation for promoting the practical application of such materials in energy conversion and memory devices.Future research on the application of such materials in electrochemical energy is also discussed.