A5026265288- CO2 Reduction Techniques and Catalysts
- Electrocatalysts for Energy Conversion
- Advanced battery technologies research
- Advanced Photocatalysis Techniques
- Ionic liquids properties and applications
- Covalent Organic Framework Applications
- Ammonia Synthesis and Nitrogen Reduction
- Advanced Battery Materials and Technologies
- Catalytic Processes in Materials Science
- Membrane Separation and Gas Transport
- Fuel Cells and Related Materials
- Advancements in Battery Materials
- Advanced Thermoelectric Materials and Devices
- Supercapacitor Materials and Fabrication
- Advancements in Solid Oxide Fuel Cells
- Graphene research and applications
- Perovskite Materials and Applications
- Advanced Battery Technologies Research
- Gas Sensing Nanomaterials and Sensors
- Carbon Dioxide Capture Technologies
- Carbon and Quantum Dots Applications
- Carbon dioxide utilization in catalysis
- Chemical Synthesis and Characterization
- Chemical Looping and Thermochemical Processes
- Muon and positron interactions and applications
Hunan University
2023-2025
University of Waterloo
2018-2024
South China Normal University
2021-2023
Zhejiang Wanli University
2023
Chongqing University of Technology
2023
Zhaoqing University
2022
Henan Normal University
2020
Regional Municipality of Waterloo
2020
Tianjin University
2018
Collaborative Innovation Center of Chemical Science and Engineering Tianjin
2017
Abstract A highly selective and durable electrocatalyst for carbon dioxide (CO 2 ) conversion to formate is developed, consisting of tin (Sn) nanosheets decorated with bismuth (Bi) nanoparticles. Owing the formation active sites through favorable orbital interactions at Sn‐Bi interface, Bi‐Sn bimetallic catalyst converts CO a remarkably high Faradaic efficiency (96%) production rate (0.74 mmol h −1 cm −2 −1.1 V versus reversible hydrogen electrode. Additionally, maintains its initial over an...
Electrochemical CO2 reduction (CO2RR) using renewable energy sources represents a sustainable means of producing carbon-neutral fuels. Unfortunately, low efficiency, poor product selectivity, and rapid deactivation are among the most intractable challenges CO2RR electrocatalysts. Here, we strategically propose "two ships in bottle" design for ternary Zn–Ag–O catalysts, where ZnO Ag phases twinned to constitute an individual ultrafine nanoparticle impregnated inside nanopores...
Abstract Efficient coupling solar energy conversion and N 2 fixation by photocatalysis has been shown promising potentials. However, the unsatisfied yield rate of NH 3 curbs its forward application. Defective typical perovskite, BaTiO , shows remarkable activity under an applied magnetic field for photocatalytic with exceeding 1.93 mg L −1 h . Through steered surface spin states oxygen vacancies, electromagnetic synergistic effect between internal electric external is stimulated. X‐ray...
CO2 electroreduction reaction offers an attractive approach to global carbon neutrality. Industrial electrolysis towards formate requires stepped-up current densities, which is limited by the difficulty of precisely reconciling competing intermediates (COOH* and HCOO*). Herein, nano-crumples induced Sn-Bi bimetallic interface-rich materials are in situ designed tailored electrodeposition under conditions, significantly expediting production. Compared with bulk alloy pure Sn, this interface...
Manufacturing advanced solid-state electrolytes (SSEs) for flexible rechargeable batteries becomes increasingly important but remains grand challenge. The sophisticated structure of robust animal dermis and good water-retention plant cell in nature grant germane inspirations designing high-performance SSEs. Herein, tough bioinspired SSEs with intrinsic hydroxide ion (OH- ) conduction are constructed by situ formation OH- conductive ionomer network within a...
Abstract Proton exchange membrane fuel cells (PEMFCs) have penetrated many commercial markets, especially in the automotive market as Toyota has launched first commercially mass‐produced cell vehicle, Mirai 2014. Electrocatalysts play an irreplaceable role determining PEMFCs, performance and account for half of total cost. Despite substantial progress exploiting highly active platinum group metal (PGM) PGM‐free electrocatalysts, current electrocatalysts are faced with significant durability...
Abstract Nanocomposite solid polymer electrolytes are considered as a promising strategy for solid‐state lithium metal batteries (SSLMBs). However, the randomly dispersed fillers in matrix with limited Li + transference number and insufficient ionic conductivity severely sacrifice ion transport capacity, thus restricting their practical application. To tackle these issues, magnetic field‐assisted alignment is proposed to disperse vertically aligned akaganéite nanotube an inorganic‐polymer...
Abstract Fast‐charging technology plays a pivotal role in propelling the commercialization of zinc‐air batteries (ZABs). While lifetime ZABs under fast‐charging is severely shortened by abundant O 2 bubbles and deactivation cathode catalysts. Herein, defective Mo─Co / N─C electrocatalyst presented with Co nanoparticles molybdenum‐oxo subnano clusters pyrolyzing Lindqvist polyoxometalate incorporated ZIF‐67 precursor. The crystalline defects are exacerbated doping into pores ZIF‐67....
The two‐dimensional lamellar materials disperse platinum sites and minimize noble‐metal usage for fuel cells, while mass transport resistance at the stacked layers spurs device failure with a significant performance decline in membrane electrode assembly (MEA). Herein, we implant porous rigid sulfonated covalent organic frameworks (COF) into graphene‐based catalytic layer construction of steric mass‐charge channels, which highly facilitates activity oxygen reduction reactions both rotating...
Abstract The implementation of membrane technology to replace or combine with energy‐intensive cryogenic distillation for precise separation ethylene/ethane mixture proves an extremely important yet highly challenging task. Inspired by the hierarchical structure and facilitated gas transport biological membranes, a selective is explored through fixation silver ion carrier impregnation ionic liquid within 2D nanochannels graphene oxide laminate, where plenty ethylene‐permeating in‐plane...
Abstract Simultaneously improving energy efficiency (EE) and material stability in electrochemical CO 2 conversion remains an unsolved challenge. Among a series of ternary Sn‐Ti‐O electrocatalysts, 3D ordered mesoporous (3DOM) Sn 0.3 Ti 0.7 O achieves trade‐off between active‐site exposure structural stability, demonstrating up to 71.5 % half‐cell EE over 200 hours, 94.5 Faradaic for at overpotential as low 430 mV. DFT X‐ray absorption fine structure analyses reveal electron density...
The construction of safe and environmentally-benign solid-state electrolytes (SSEs) with intrinsic hydroxide ion-conduction for flexible zinc-air batteries is highly desirable yet extremely challenging. Herein, hierarchically nanostructured CCNF-PDIL SSEs reinforced concrete architecture are constructed by nanoconfined polymerization dual-cation ionic liquid (PDIL, concrete) within a robust three-dimensional porous cationic cellulose nanofiber matrix (CCNF, reinforcing steel), where plenty...
Abstract Electrochemical CO 2 conversion offers an attractive route for recycling with economic and environmental benefits, while the catalytic materials electrode structures still require further improvements scale‐up application. Electrocatalytic surface near‐surface engineering (ESE) has great potential to advance reduction reactions (CO RR) improved activity, selectivity, energetic efficiency, stability, reduced overpotentials. This review initially provides a panorama of ESE effects...
Mn and N codoped carbon materials are proposed as one of the most promising catalysts for oxygen reduction reaction (ORR) but still confront a lot challenges to replace Pt. Herein, novel gas-phase migration strategy is developed scale synthesis atomically dispersed (g-SA-Mn) highly effective ORR catalysts. Porous zeolitic imidazolate frameworks serve appropriate support trapping anchoring Mn-containing gaseous species synchronous high-temperature pyrolysis process results in generation Mn-Nx...
Abstract Electrochemical CO 2 reduction to is a potential sustainable strategy for alleviating emission and producing valuable fuels. In the quest resolve its current problems of low‐energy efficiency insufficient durability, dual‐scale design proposed by implanting non‐noble active Sn–ZnO heterointerface inside nanopores high‐surface‐area carbon nanospheres (Sn–ZnO@HC). The metal d‐bandwidth tuning Sn ZnO alters extent substrate–molecule orbital mixing, facilitating breaking *COOH...
Abstract Electrocatalytic C−N coupling process is indeed a sustainable alternative for direct urea synthesis and co‐upgrading of carbon dioxide nitrate wastes. However, the main challenge lies in unactivated process. Here, we proposed strategy intermediate assembly with alkali metal cations to activate at electrode/electrolyte interface. Urea activity follows trend Li + <Na <Cs <K . In presence K , world‐record performance was achieved yield rate 212.8±10.6 mmol h −1 g on...
Catalyst supports play an essential role in catalytic reactions, hinting at pronounced metal–support effects. Zeolites are a propitious support heterogeneous catalysts, while their use the electrocatalytic CO2 reduction reaction has been limited as yet because of electrically insulating nature and serious competing hydrogen evolution (HER). Enlightened by theoretical prediction, herein, we implant zinc ions into structural skeleton zeolite Y to strategically tailor favorable platform with...