Jia, Yin, Xuya Xiong, Danni Wang, Xinxuan Duan, Kai Sun, Yajie Li, Lirong Zheng, Wenfeng Lin, Mingdong Dong, Guoxin Zhang, Wen Liu, and Xiaoming Sun. “Atomically Dispersed Fe-N4 Modified With Precisely Located S for Highly Efficient Oxygen Reduction”. Nano-Micro Letters 12 (May 26, 2020): 116. Accessed May 5, 2024. https://nmlett.org/index.php/nml/article/view/438.