锰基氧化物与碳复合材料超级电容器研究进展

Research Progress on Manganese Dioxide-Carbon Based Composite Supercapacitor

超级电容器作为一种环保的新型储能装置,具有超高的功率密度,循环寿命长、工作温度区间大、经济环保等优势。MnO_(2)作为常见的过渡金属氧化物,具有超高的理论电容、化学稳定性强、成本低、经济环保等特点,经常用作非对称超级电容的电极极材料。将MnO_(2)与导电性能好的碳基材料组成,可以构建比容量大和循环稳定性强的复合材料。综述了近年来MnO_(2)-碳复合材料在超级电容器中的研究发展,总结了MnO_(2)-碳基超级电容器面临的挑战和未来发展趋势。

As a new type of environmental protection energy storage device,supercapacitor has the advantages of ultra-high power density,long cycle life,wide working temperature range,economic and environmental protection.As a common transition metal oxide,MnO_(2) is often used as an electrode material for asymmetric supercapacitors because of its high theoretical capacitance,strong chemical stability,low cost and environmental friendliness.The composites with high specific capacity and excellent cycling performance can be constructed by combining MnO_(2) with carbon based materials with good conductivity.The research and development of MnO_(2) carbon composites in supercapacitors in recent years were reviewed.The challenges and future development trend of MnO_(2) carbon based supercapacitors were summarized.