A5043695923- Advanced battery technologies research
- Electrocatalysts for Energy Conversion
- Supercapacitor Materials and Fabrication
- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Fuel Cells and Related Materials
- Electrochemical Analysis and Applications
- Advanced Photocatalysis Techniques
- 2D Materials and Applications
- MXene and MAX Phase Materials
- Conducting polymers and applications
- Advanced Battery Technologies Research
- Advanced Sensor and Energy Harvesting Materials
- Catalytic Processes in Materials Science
- CO2 Reduction Techniques and Catalysts
- Transition Metal Oxide Nanomaterials
- Perovskite Materials and Applications
- Carbon dioxide utilization in catalysis
- Catalysts for Methane Reforming
- Plasmonic and Surface Plasmon Research
- Porphyrin and Phthalocyanine Chemistry
- Molecular Junctions and Nanostructures
- Gas Sensing Nanomaterials and Sensors
- Polyoxometalates: Synthesis and Applications
- Machine Learning in Materials Science
Wuhan University of Technology
2016-2024
University of Oxford
2023-2024
Sichuan University
2022
Materials Science & Engineering
2016-2019
Abstract Accompanied by the development and utilization of renewable energy sources, efficient storage has become a key topic. Electrochemical devices are considered to be one most practical capable converting storing electrical generated resources, which also used as power source electric vehicles portable electronic devices. The ultimate goals electrochemical long lifespan, high safety, power, density. To achieve above goals, researchers have attempted use various nanomaterials improve...
Hydrogen evolution reaction performance of MoS2 can be enhanced through electric-field-facilitated electron transport. The best catalytic a nanosheet achieve an overpotential 38 mV (100 mA cm−2) at gate voltage 5 V, the strategy utilizing electric field used in other semiconductor materials to improve their electrochemical catalysis for future relevant research. As service our authors and readers, this journal provides supporting information supplied by authors. Such are peer reviewed may...
Developing non-noble catalysts with superior activity and durability for oxygen evolution reaction (OER) in acidic media is paramount hydrogen production from water. Still, challenges remain due to the inadequate stability of OER catalyst. Here, we report a cost-effective stable manganese oxybromide (Mn7.5O10Br3) catalyst exhibiting an excellent electrolytes, overpotential as low 295 ± 5 mV at current density 10 mA cm-2. Mn7.5O10Br3 maintains good under operating conditions least 500 h. In...
Developing advanced electrocatalysts with exceptional two electron (2e- ) selectivity, activity, and stability is crucial for driving the oxygen reduction reaction (ORR) to produce hydrogen peroxide (H2 O2 ). Herein, a composition engineering strategy proposed flexibly regulate intrinsic activity of amorphous nickel boride nanoarchitectures efficient 2e- ORR by oriented Ni2+ different amounts BH4- . Among borides, NiB2 delivers selectivity close 99% at 0.4 V over 93% in wide potential range,...
Electrochemical conversion of CO2 to formic acid using Bismuth catalysts is one the most promising pathways for industrialization. However, it still difficult achieve high production at wide voltage intervals and industrial current densities because Bi are often poisoned by oxygenated species. Herein, we report a Bi3S2 nanowire-ascorbic hybrid catalyst that simultaneously improves selectivity, activity, stability applied voltages. Specifically, more than 95% faraday efficiency was achieved...
The discovery of Mn-Ca complex in photosystem II stimulates research manganese-based catalysts for oxygen evolution reaction (OER). However, conventional chemical strategies face challenges regulating the four electron-proton processes OER. Herein, we investigate alpha-manganese dioxide (α-MnO
Transition metal dichalcogenides, such as MoS2 and VSe2 have emerged promising catalysts for the hydrogen evolution reaction (HER). Substantial work has been devoted to optimizing catalytic performance by constructing materials with specific phases morphologies. However, optimization of adsorption/desorption process in HER is rare. Herein, we concentrate on tuning dynamics adsorption applying a back gate voltage pristine nanosheet. The induces redistribution ions at electrolyte-VSe2...
Abstract The rechargeable aqueous zinc ion battery (ZIB) is regarded as one of the most promising candidates for large‐scale energy storage applications due to its low‐cost and eco‐friendly properties. However, development a suitable cathode operating with high areal capacity uncovering relevant reaction mechanisms remain challenging. Herein, application Mg 0.26 V 2 O 5 ·0.73H (MVO) nanobelts ZIB demonstrated. In situ FT‐IR reveals shift OH stretching from 3350 cm −1 3200 , corresponding...
Hitherto, there are almost no reports on the complete reconstruction in hydrogen evolution reaction (HER). Herein, authors develop a new type of reconfigurable fluoride (such as CoF2 ) pre-catalysts, with ultra-fast and in-depth self-reconstruction, substantially promoting HER activity. By experiments density functional theory (DFT) calculations, unique surface structure fluorides, alkaline electrolyte bias voltage identified key factors for during HER. The enrichment F atoms fluorides...
Microstructuring of the PEDOT–CNT composite for microsupercapacitors with high rate capability and excellent cycling stability.
Exploring advanced electrocatalysts for the hydrazine oxidation reaction (HzOR) could expedite applications of direct fuel cells (DHzFCs) zero-carbon economics.
The uncontrollable formation of Li dendrites has become the biggest obstacle to practical application Li-metal anodes in high-energy rechargeable batteries. Herein, a unique LiF interlayer woven by millimeter-level, single-crystal and serrated nanofibers (NFs) was designed enable dendrite-free highly efficient deposition. This high-conductivity can increase Li+ transference number induce 'LiF-NFs-rich' solid-electrolyte interface (SEI). In SEI, ultra-long provide continuously interfacial...
Abstract Aqueous Zn‐ion batteries are an attractive electrochemical energy storage solution for their budget and safe properties. However, dendrites uncontrolled side reactions in anodes detract the cycle life density of batteries. Grain boundaries metals generally considered as source above problems but we present a diverse result. This study introduces ultra‐high proportion grain on zinc electrodes through femtosecond laser bombardment to enhance stability metal/electrolyte interface. The...
Abstract In the hydrogen evolution reaction (HER), energy‐level matching is a prerequisite for excellent electrocatalytic activity. Conventional strategies such as chemical doping and incorporation of defects underscore complicated process controlling species defect concentration, which obstructs understanding function band structure in HER catalysis. Accordingly, 2H‐MoS 2 1T‐MoS are used to create nanodevices address Interestingly, it found that with modulated Fermi level under application...
The oxygen evolution reaction involves complex interplay among electrolyte, solid catalyst, and gas-phase liquid-phase reactants products. Monitoring catalysis interfaces between catalyst electrolyte can provide valuable insights into catalytic ability. But it is a challenging task due to the additive supports in traditional measurement. Here we design nanodevice platform combine on-chip electrochemical impedance spectroscopy measurement, temporary I-V measurement of an individual nanosheet,...
On-chip micro-supercapacitors (MSCs) have attracted great attention recently. However, the performance of MSCs is usually unsatisfactory because unreasonable pore structure. The construction a three-dimensional (3D) interconnected porous carbon-based MSC by controllable activation proposed. monolithic carbon microelectrode activated ZnO nanowires provides electron/ion bicontinuous conduction path. fabricated with this rendered high areal specific capacitance 10.01 mF cm–2, 6 times higher...
Abstract Exploring efficient, cost‐effective, and durable electrocatalysts for electrochemical oxygen evolution reaction (OER) is pivotal the large‐scale application of water electrolysis. Recent advance has demonstrated that activity exhibits a strong dependence on surface electronic structure. Herein, series ultrathin metal silicate hydroxide nanosheets (UMSHNs) M 3 Si 2 O 5 (OH) 4 (M = Fe, Co, Ni) synthesized without surfactant are introduced as highly active OER electrocatalysts. Cobalt...
A new phase transition of 1T-MoS<sub>2</sub> during the electrochemical treatment was discovered and <italic>in situ</italic> monitored.
In response to the call for safer energy storage systems, rechargeable aqueous manganese-based zinc-ion (Zn-ion) batteries using mild electrolyte have attracted extensive attention. However, charge-storage mechanism and structure change of cathode remain controversial topics. Herein, a systematic study understand electrochemical behavior charge based on 3 × tunnel-structured Mgx MnO2 as well correspondence between different tunnel structures reaction mechanisms are reported. The is surface...
In situ monitoring the evolution of electrode materials in micro/nano scale is crucial to understand intrinsic mechanism rechargeable batteries. Here a novel on-chip Langmuir-Blodgett nanowire (LBNW) microdevice designed based on aligned and assembled MnO2 quasimonolayer films for directly probing Zn-ion batteries (ZIBs) real-time. With an interdigital device configuration, splendid Ohmic contact between LBNWs pyrolytic carbon current collector demonstrated here, enabling small polarization...