Ingenious construction of hierarchical spherical nanostructures by in-situ confining Ni–Co–Mn hydroxide nanosheets inside/outside hollow carbon nanospheres for high-performance hybrid supercapacitors

Yan Zhou, Zixin Jia, Yi‐Ting Shen, Liyuan Wei, Siyuan Zhao, Yingying Han, Peng Chen, Chang Xu, Xiangmei Cui, Jingwen Sun, Xiaoping Ouyang, Xin Wang, Junwu Zhu, Shugang Pan, Yongsheng Fu