Yinan Zheng

Area of research

Renewable Energy, Sustainability and the Environment · Electrical and Electronic Engineering

Research interest

Research topics from publications: Activating ruthenium dioxide via compressive strain achieving efficient multifunctional electrocatalysis for Zn‐air batteries and overall water splitting; Constructing Ru@C3N4/Cu Tandem Electrocatalyst with Dual‐Active Sites for Enhanced Nitrate Electroreduction to Ammonia; High-entropy selenides: A new platform for highly selective oxidation of glycerol to formate and energy-saving hydrogen evolution in alkali-acid hybrid electrolytic cell; Rational modulation of electronic structure in PtAuCuNi alloys boosts efficient electrocatalytic ethanol oxidation assisted with energy-saving hydrogen evolution; Synergistic effect of Ru nanoclusters on WC1−x anchored on N-doped carbon nanosheets to promote highly efficient alkaline hydrogen evolution; A‐Site Substitution Motivating the Phase Transformation of LaNiO3 Perovskite for High‐Performance Artificial N2 Fixation. Representative work: Abstract Surface strain engineering is a promising strategy to design various electrocatalysts for sustainable energy storage and conversion. However, achieving the multifunctional activity of the catalyst via the adjustment of strain engineering remains a major challenge. Herein, an excellent trifunctional electrocatalyst (Ru/RuO 2 @NCS) is prepared by anchoring lattice mismatch strained core/shell Ru/RuO 2 nanocrystals on nitrogen‐doped carbon nanosheets. Core/shell Ru/RuO 2 nanocrystals with ~5 atomic layers of RuO 2 shells eliminate the ligand effect and produce ~2% of the surface compressive strain, which can boost the trifunctional activity (oxygen evolution reaction [OER], oxygen redu Abstract Electroreduction of nitrate to ammonia reaction (NO 3 − RR) is considered as a promising carbon‐free energy technique, which can eliminate nitrate from waste‐water also produce value‐added ammonia. However, it remains a challenge for achieving satisfied ammonia selectivity and Faraday efficiency (FE) due to the complex multiple‐electron reduction process. Herein, a novel Tandem electrocatalyst that Ru dispersed on the porous graphitized C 3 N 4 (g‐C 3 N 4 ) encapsulated with self‐supported Cu nanowires (denoted as Ru@C 3 N 4 /Cu) for NO 3 − RR is presented. As expected, a high ammonia yield of 0.249 mmol h −1 cm −2 at −0.9 V and high FE NH3 of 91.3% at −0.8 V versus RHE can be obtai

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