Abstract: The current research of low dimensional nano-structured MnO₂ is summarized, including the synthetic methods of nano-particles, nano-wires (nano-tubes or nano-rods) and nano-sheets.And its applications as electrode active material for super-capacitors, lithium-ion batteries and alkaline Zn／MnO₂ batteries are reviewed. In addition, its application prospects are introduced, too.

摘要： 评述了近年来国内外低维纳米MnO₂材料研究领域的最新进展，其中包括纳米MnO₂颗粒、一维纳米线（管或棒）和二维纳米薄膜等低维纳米结构MnO₂材料的合成；介绍了低维纳米MnO₂作为电极材料在电化学超级电容器、锂离子电池、碱锰电池中的应用，并对其发展前景进行了展望。