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Updated: Jan 16, 2026

Synthesis and Evaluation of a Ruthenium-based Mitochondrial Calcium Uptake Inhibitor
Published on: October 26, 2017
Amorphous/crystalline-RuCoNiP/NF achieves efficient alkaline hydrogen evolution in multiple freshwater and seawater
Jinghan Xu1, Yating Hou2, Xinru Wei2
1Cultivation Base of Ecological Chemical Industry Key Laboratory, International Science and Technology Cooperation Base of Eco-chemical Engineering and Green Manufacturing, Qingdao University of Science and Technology, Qingdao 266042, PR China; College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China.
Abstract:
It is a huge challenge to optimize the electrocatalytic microenvironment of multi-metal sites without introducing additional components and energy consumption for overcoming the slow kinetics of the alkaline hydrogen evolution reaction (HER). Given these, the hetero-interfacial Ni-Ru-Co polymetallic sites under the amorphous/crystalline (a/c)-RuCoNiP environment were constructed by the atomic arrangement reset induced by the 'quenching-Ru attacking' strategy. Different from the traditional Ni-Ru-Co polymetallic sites mechanism in the amorphous or crystalline RuCoNiP material, a/c-RuCoNiP/NF followed the unique hetero-interfacial Ni-Ru-Co polymetallic sites mechanism with the ultra-low energy barrier, efficiently enhancing the alkaline HER kinetics. As anticipated, the a/c-RuCoNiP/NF electrode achieved 1 A cm-2 by applying only 252 mV and 299 mV for alkaline HER in freshwater and seawater, respectively, far superior to the Pt/C-NF electrode. Overall, this work provides a new idea for optimizing the alkaline HER kinetics through regulating the electrocatalytic microenvironment of hetero-interfacial polymetallic sites.
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