RT Journal T1 Multivalent manganese oxides with high electrocatalytic activity for oxygen reduction reaction A1 Xiangfeng Peng, Zhenhai Wang, Zhao Wang, Yunxiang Pan PB Front. Chem. Sci. Eng. FD 2019-01-03 YR 2018 JF Frontiers of Chemical Science and Engineering JO Front. Chem. Sci. Eng. VO 12 IS 4 SP 790 DO 10.1007/s11705-018-1706-y K1 oxygen reduction reaction;manganese oxides;mixed valences of manganese;oxygen adsorption;dielectric barrier discharge LK {https://journal.hep.com.cn/fcse/EN/article/article_21595.shtml}