A5051237478- Electrocatalysts for Energy Conversion
- Advanced battery technologies research
- Fuel Cells and Related Materials
- Supercapacitor Materials and Fabrication
- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- CO2 Reduction Techniques and Catalysts
- Electrochemical Analysis and Applications
- Advanced Photocatalysis Techniques
- Conducting polymers and applications
- Ionic liquids properties and applications
- Catalytic Processes in Materials Science
- Electrochemical sensors and biosensors
- Underwater Acoustics Research
- Membrane Separation and Gas Transport
- Copper-based nanomaterials and applications
- Covalent Organic Framework Applications
- Nanomaterials for catalytic reactions
- Advanced Thermoelectric Materials and Devices
- Underwater Vehicles and Communication Systems
- MXene and MAX Phase Materials
- Ammonia Synthesis and Nitrogen Reduction
- Metal-Organic Frameworks: Synthesis and Applications
- Gas Sensing Nanomaterials and Sensors
- Graphene research and applications
Henan Normal University
2016-2025
North University of China
2024
Green Chemistry
2014-2020
Inner Mongolia Electric Power (China)
2020
University of Waterloo
2016-2020
Xinxiang University
2014-2015
Donghua University
2013
Ministry of Education of the People's Republic of China
2010-2013
Shanghai Jiao Tong University
2009
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...
Abstract Rational construction of atomic‐scale interfaces in multiphase nanocomposites is an intriguing and challenging approach to developing advanced catalysts for both oxygen reduction (ORR) evolution reactions (OER). Herein, a hybrid interpenetrating metallic Co spinel 3 O 4 “Janus” nanoparticles stitched porous graphitized shells (Co/Co @PGS) synthesized via ionic exchange redox between 2+ 2D metal–organic‐framework nanosheets. This strategy proven effectively establish highways the...
A thin-film, flexible, and rechargeable zinc-air battery having high energy density is reported particularly for emerging portable wearable electronic applications. This freeform design the first demonstrated by sandwiching a porous-gelled polymer electrolyte with freestanding zinc film bifunctional catalytic electrode film. The flexibility of both films membrane gives great freedom in tailoring geometry performance.
Abstract Rechargeable zinc–air batteries (ZnABs) are attracting great interest due to their high theoretical specific energy, safety, and economic viability. However, performance large‐scale practical applications largely limited by poor durability overpotential on the air‐cathode slow kinetics of oxygen reduction evolution reactions (ORR/OER). Therefore, it is highly desired exploit an ideal bifunctional catalyst endow obtained ZnABs with excellent ORR/OER catalytic performances. Herein, a...
Abstract The highly oxidative operating conditions of rechargeable zinc–air batteries causes significant carbon‐support corrosion bifunctional oxygen electrocatalysts. Here, a new strategy for the catalyst support design focusing on vacancy (OV)‐rich, low‐bandgap semiconductor is proposed. OVs promote electrical conductivity oxide support, and at same time offer strong metal–support interaction (SMSI), which enables catalysts to have small metal size, high catalytic activity, stability....
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 Transition metal atoms with corresponding nitrogen coordination are widely proposed as catalytic centers for the oxygen reduction reaction (ORR) in metal–nitrogen–carbon (M–N–C) catalysts. Here, an effective strategy that can tailor Fe–N–C catalysts to simultaneously enrich number of active sites while boosting their intrinsic activity and utilization is reported. This achieved by edge engineering FeN 4 via a simple ammonium chloride salt‐assisted approach, where high fraction...
Atomically dispersed metal catalysts are hailed as the most promising catalyst category for oxygen electrocatalysis. However, challenges in regulating electronic configuration and unveiling mechanism on atomic scale hindering their practical implementation. Herein, we modulate Co d-orbital electron by constructing Ir–Co pair toward boosted bifunctional activity. The as-developed dual-atom IrCo–N–C displays unprecedented activity with a half-wave potential of 0.911 V reduction reaction only...
The implementation of pristine metal-organic frameworks as air electrode may spark fresh vitality to rechargeable zinc-air batteries, but successful employment is rare due the challenges in regulating their electronic states and structural porosity. Here we conquer these issues by incorporating ligand vacancies hierarchical pores into cobalt-zinc heterometal imidazole frameworks. Systematic characterization theoretical modeling disclose that editing eases surmountable energy barrier for *OH...
Abstract Electrochemical conversion of carbon dioxide into fuel and chemicals with added value represents an appealing approach to reduce the greenhouse effect realize a carbon-neutral cycle, which has great potential in mitigating global warming effectively storing renewable energy. The electrochemical CO 2 reduction reaction (CO RR) usually involves multiproton coupling multielectron transfer aqueous electrolytes form multicarbon products (C 2+ products), but it competes hydrogen evolution...
A low-cost anion exchange membrane water electrolysis (AEMWE) stack with good performance and durability is demonstrated in this study. The configuration of an AEMWE single cell, composed etched copper–cobalt oxide anode (eCCO) by a simple chemical etching polycarbazole-based (QPC-TMA) was optimized through various single-cell studies. large-sized three-cell (total active area 190.9 cm2) eCCO QPC-TMA degradation rate 8.5 mV kh–1 as well energy conversion efficiency 75% for 2000 h 0.1 M KOH...
Abstract Atomically dispersed iron–nitrogen–carbon (FeNC) catalysts have sparked great interest by virtue of the highly active isolated FeN 4 sites. The with pyrolysis treatment usually induce inevitable sites agglomeration, leading to fast degradation in catalytic activity. Herein, a pre‐coordinated protection strategy is proposed eliminate aggregation Fe atoms suppressing thermal migration during process. To this end, S atom introduced into graphitic support enhancing metal‐support...
Abstract For energy storage technologies, secondary batteries have the merits of environmental friendliness, long cyclic life, high conversion efficiency and so on, which are considered to be hopeful large-scale technologies. Among them, rechargeable lithium-ion (LIBs) been commercialized occupied an important position as due their density life. Nevertheless, uneven distribution lithium resources a large number continuous consumptions result in price increase for lithium. So, it is very...
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....
Abstract Vanadium oxide cathode materials with stable crystal structure and fast Zn 2+ storage capabilities are extremely important to achieving outstanding electrochemical performance in aqueous zinc‐ion batteries. In this work, a one‐step hydrothermal method was used manipulate the bimetallic ion intercalation into interlayer of vanadium oxide. The pre‐intercalated Cu ions act as pillars pin (V‐O) layers, establishing stabilized two‐dimensional channels for diffusion. occupation Mn between...
Nitrogen-doped graphene materials have been demonstrated as promising alternative catalysts for the oxygen reduction reaction (ORR) in fuel cells and metal–air batteries due to their relatively high activity good stability alkaline solutions.
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 While backless freestanding 3D electrode architectures for batteries with high loading sulfur have flourished in the recent years, more traditional and industrially turnkey 2D architecture has not received same amount of attention. This work reports a spray‐dried composite large intrinsic internal pores, ensuring adequate local electrolyte availability. material offers good performance content 7 µL mg −1 at areal loadings (5–8 cm −2 ), while also offering first reported 2.8 (8 ) to...