Combustion synthesis and electrochemical properties of LiNi1/3Col/3Mnl/3BrxO2-x and LiNi1/3Col/3Mnl/3BrxO2-x/graphene cathode material for Li-ion batteriesJiping Zhu, Jie Zhu, Yangyang Zhang, Juan Wang and Jiawei YanMATEC Web of Conferences, 65 (2016) 02009DOI: https://doi.org/10.1051/matecconf/20166502009