Zhang, J., Bai, X., Wang, T., Xiao, W., Xi, P., Wang, J., Gao, D. and Wang, J. (2019) “Bimetallic Nickel Cobalt Sulfide as Efficient Electrocatalyst for Zn–Air Battery and Water Splitting”, Nano-Micro Letters, 11, p. 2. doi: 10.1007/s40820-018-0232-2.