3 years ago

Water Splitting: Defect-Engineered Ultrathin δ-MnO2 Nanosheet Arrays as Bifunctional Electrodes for Efficient Overall Water Splitting (Adv. Energy Mater. 18/2017)

Water Splitting: Defect-Engineered Ultrathin δ-MnO2 Nanosheet Arrays as Bifunctional Electrodes for Efficient Overall Water Splitting (Adv. Energy Mater. 18/2017)
Chao Chang, Tierui Zhang, Fei Teng, Guangbo Chen, Yufei Zhao, Yunxuan Zhao, Weifeng Huang, Geoffrey I. N. Waterhouse, Run Shi
In article number 1700005, Fei Teng, Tierui Zhang, and co-workers report a noble-metal-free bifunctional electrode consisting of ultrathin manganese dioxide (δ-MnO2) nanosheet arrays on a nickel foam, exhibiting high performance for HER and OER. The remarkable overall water splitting activity is mainly attributed to the numerous active sites and excellent electrical conductivity of δ-MnO2 nanosheets, containing abundant oxygen vacancies and unsaturated Mn3+ sites due to the near monolayer thickness.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/aenm.201770102

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