Division of Energy Storage, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Zhongshan Road 457, Dalian, 116023, China.
Nanoscale. 2013 Jun 7;5(11):4647-51. doi: 10.1039/c3nr00337j. Epub 2013 Apr 11.
A micron-sized honeycomb-like carbon material (MHC) is prepared in a facile way using nano-CaCO3 as a hard template. A novel electrode for lithium-oxygen batteries is fabricated and displays a superior discharge capacity as high as 5862 mA h g(-1). The higher electrode space utilization is attributed to its hierarchical pore structure, with intrinsic mesopores in the MHC particles for Li2O2 depositions and macropores among them for oxygen transport.
一种微米尺寸的蜂窝状碳材料（MHC）通过简便的方法制备，纳米 CaCO3 作为硬模板。制备了一种用于锂氧电池的新型电极，具有高达 5862 mA h g(-1) 的优异放电容量。较高的电极空间利用率归因于其分级孔结构，MHC 颗粒内的本征介孔用于 Li2O2 的沉积，颗粒间的大孔用于氧气传输。
