Research Overview

Carbon neutrality is our dream! We are a group of chemists working on energy storage and conversion at the Chemistry Department of Chinese University of Hong Kong. We aim to understand the science and overcome the critical challenges underlying in catalysis by combining material science, inorganic chemistry and organic chemistry with our core research field, electrochemistry. Based on mechanistic understanding, with the support from simulation programs and home-made lab automations, we work to design and fabricate possible scalable devices for electrocatalysis.

CO2 Capture and Conversion

Electrochemical conversion of CO2 offers an alternative route to accelerate the deployment of renewable electricity and realize low-carbon production of chemicals and fuels. The all-embracing goal of our work in this field is to explore innovative strategies for energy- and carbon-efficient chemical and fuel synthesis from CO2 reduction reaction (CO2RR). We intergrate fundamental studies with device engineering to perform CO2RR at near industrially-relavant performance metrics. Currently, we are working on the design and optimization of catalysts, electrolytes and reactors, both experiementally and computationally.

Water Splitting

Use water and sunlight to produce clean energy resouces is one of the world's most critical challenges. The four reactions relating to water splitting, hydrogen evolution reaction (HER), hydrogen oxidation reaction (HOR), oxygen reduction reaction (ORR) and oxygen evolution reaction (OER), are the center. Our current research in this area focus on the mechanistic understanding with a special focus at HER and ORR. Proton heavily participate in these reactions while the role is relatively complicated, especially moving to neutral or alkaline condtions. Combining with different electrochemical techniques and simulation programs, we are devoted to understand the pronton coupled electron transfer (PCET) process to guide catalyst design and device engineering.

Energy Storage

Our research in energy storage mainly focus at the development of anode material and cathode reaction for metal-air batteries. Silicon is promissing next generation anode material due to the high capacity. We are particularly interested in understanding the interfacial electrochemical/chemical process to develop next generation Silicon anode. The metal-air batteries are currently explored in the group together with our research in ORR and OER.