@article{Zhang2019, 
author = {Yu Zhang and Mingzhen Hu and Mengwei Yuan and Genban Sun and Yufeng Li and Kebin Zhou and Chen Chen and Caiyun Nan and Yadong Li},
title = {Ordered two-dimensional porous Co3O4 nanosheets as electrocatalysts for rechargeable Li-O2 batteries},
year = {2019},
journal = {Nano Research},
volume = {12},
number = {2},
pages = {299-302},
keywords = {two-dimensional, Co3O4, porous, Li-O2 battery, ordered},
url = {https://www.sciopen.com/article/10.1007/s12274-018-2214-6},
doi = {10.1007/s12274-018-2214-6},
abstract = {Lithium-oxygen batteries have attracted considerable interest in the past a few years, because they have higher theoretical specific energy than Li-ion batteries. However, the available energy densities of the Li-O2 batteries are much less than expected. It is particularly urgent to find catalyst with high activity. Herein, a series of Co3O4 with different morphologies (ordered two-dimensional porous nanosheets, flowerlike and cuboidlike) were successfully prepared through facile hydrothermal and calcination methods. Ordered two-dimensional Co3O4 nanosheets show the best cycling stability. Detailed experimental results reveal that the superiority of the unique two-dimensional uniform porous structures is vital for Li-O2 batteries cathode catalysts. Due to the ordered structures with high surface areas and active sites, the catalysts indicate a high specific discharge capacity of about 10, 417 mAh/g at a current density of 200 mA/g, and steadily cycle for more than 50 times with a limited capacity of 1, 000 mAh/g.}
}