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Nickel/Nickel(II) Oxide Nanoparticles Anchored onto Cobalt(IV) Diselenide Nanobelts for the Electrochemical Production of Hydrogen


  • S. H. Yu acknowledges the funding support from the National Basic Research Program of China (grant number 2010CB934700), the National Natural Science Foundation of China (grant numbers 91022032, 91227103, and 21061160492), the Ministry of Science and Technology of China (grant number 2012BAD32B05-4), the Chinese Academy of Sciences (grant number KJZD-EW-M01-1), and the Principal Investigator Award by the National Synchrotron Radiation Laboratory at the University of Science and Technology of China.


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Not noble but effective: A novel Ni/NiO/CoSe2 hybrid material has been synthesized as an efficient catalyst for the hydrogen evolution reaction (HER; see picture). This new catalyst has a cathodic onset potential at −0.03 V, a Tafel slope of 39 mV per decade, and represents currently the best Pt-free electrocatalyst for the HER in acidic medium.

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