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Updated: Oct 17, 2026

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
Published on: April 10, 2018
Sulfur Clusters Anchored on Carbon Enables High-Loading, Low-Coordination Noble Metal Cluster Catalysts for
Hong Zhao1, Wenli Bao2, Xiao Ren3
1Research Center of Renewable Energy, Sinopec Research Institute of Petroleum Processing Co., Ltd., Beijing, P.R. China.
Abstract:
A rational catalyst design demands a versatile platform integrating high intrinsic activity, optimal atomic utilization, high loading, and stability. We report an ultra-stable three-dimensional sulfur cluster anchored on a carbon scaffold, which forms a multi-directional anchoring network for noble metals, effectively overcoming the inherent short-range limitation of strong metal-support interactions. A 40 wt% Platinum cluster catalyst with cluster size of over 1.5 nm and an average Pt-Pt coordination number of ∼3 was successfully fabricated. The resulting Pt/SCC achieved an overpotential of only 3.9 mV at 10 mA/cm2 with a mass activity (MA) of 17.5 A/mgPt in 0.5 M H2SO4, and requires just 9.9 mV at 10 mA/cm2 and a MA of 0.47 A/mgPt in 1.0 M KOH. It also shows super durability with marginal loss in activity after 100 000 cyclic voltammetry cycles in both conditions. Pt/SCC delivers exceptional atomic utilization, slashing electrolyzer Pt loading by >50% without compromising long-term durability.
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