The authors acknowledge the financial support of this work received by the National Natural Science Foundation of China (Grant Nos. 21403306, 2016YFA0202604, and 31530009), Guangdong Natural Science Funds for Distinguished Young Scholar (Grant No. 2014A030306048), Tip-top Scientific and Technical Innovative Youth Talents of Guangdong Special Support Program (Grant No. 2015TQ01C205), Technology Planning Project of Guangdong Province (Grant No. 2015B090927007), and the Pearl River Nova Program of Guangzhou (Grant No. 201610010080). Note: The article was corrected after an editorial error on initial publication online to make it clear that the article refers to Zn?MnO2 batteries.