Flexible high energy density zinc-ion batteries enabled by binder-free MnO2/reduced graphene oxide electrode oleh Yuan Huang, Jiuwei Liu, Qiyao Huang, Zijian Zheng, Pritesh Hiralal, Fulin Zheng, Dilek Ozgit, Sikai Su, Shuming Chen, Ping-Heng Tan, Shengdong Zhang, Hang Zhou