Recent progress in the electrochemical ammonia synthesis under ambient conditions - Zhao, Runbo; Xie, Hongtao; Chang, Le; Zhang, Xiaoxue; Zhu, Xiaojuan; Tong, Xin; Wang, Ting; Luo, Yonglan; Wei, Peipei; Wang, Zhiming; Sun, Xuping (EnergyChem, 2019)