Nitrogen-deficient g-C3N4 compounded with NiCo2S4 (NiCo2S4@ND-CN) as a bifunctional electrocatalyst for boosting the activity of Li-O2 batteries

Kewei Teng, Wenhao Tang, Ruiyu Qi, Boya Li, Yirui Deng, Miaomiao Zhou, Miaomiao Wu, Junqing Zhang, Ruiping Liu, Lei Zhang