Precisely constructing charge-asymmetric dual-atom Fe sites supported on hollow porous carbon spheres for efficient oxygen reduction

Yaqiong Li, Xuan Luo, Zihao Wei, Fang Zhang, Zhiyi Sun, Ziwei Deng, Ziheng Zhan, Chaofeng Zhao, Qi Sun, Liang Zhang^*, Wenxing Chen^*, Shenghua Li^*, Siping Pang^*

^*此作品的通讯作者