Monoclinic Cu3(OH)2V2O7·2H2O nanobelts/reduced graphene oxide: A novel high-capacity and long-life composite for potassium-ion battery anodes

Liming Ling, Xiwen Wang, Yu Li, Chenxiao Lin, Dong Xie, Min Zhang, Yan Zhang, Jinjia Wei, Huajie Xu, Faliang Cheng, Chuan Wu, Shiguo Zhang