College of Science, National Research Center of Engineering Technology for Utilization of Functional Ingredients from botanica, College of Agronomy, Hunan Agricultural University, Changsha, 410128, China.
Nanoscale. 2017 Aug 10;9(31):11004-11011. doi: 10.1039/c7nr03602g.
Anode materials with high capacity for aqueous rechargeable lithium batteries (ARLBs) are very rarely reported. Here we found that a dual core-shell structured MWCNTs@S@PPy nanocomposite prepared by us shows excellent electrochemical performance. Its initial discharge capacity in a saturated LiAc aqueous electrolyte is very high, which is up to 481 mA h g based on the weight of the composite and 879 mA h g based on the sulfur content. It shows excellent rate capability. When nanotube LiMnO is used as a cathode, the assembled ARLB can deliver an energy density of 110 Wh kg based on two electrodes and show excellent cycling. These results show great promise for the practical application of ARLBs.
用于水系可充式锂电池（ARLB）的高容量阳极材料非常罕见。在这里，我们发现我们制备的一种双核壳结构 MWCNTs@S@PPy 纳米复合材料具有优异的电化学性能。在饱和 LiAc 水性电解质中的初始放电容量非常高，基于复合材料的重量可达 481 mA h g，基于硫含量可达 879 mA h g。它表现出优异的倍率性能。当使用纳米管 LiMnO 作为阴极时，组装的 ARLB 可以基于两个电极提供 110 Wh kg 的能量密度，并表现出优异的循环性能。这些结果为 ARLB 的实际应用带来了很大的希望。
