A5100420328- Electrocatalysts for Energy Conversion
- Advanced battery technologies research
- Fuel Cells and Related Materials
- Advancements in Battery Materials
- Supercapacitor Materials and Fabrication
- Photonic and Optical Devices
- Advanced Photocatalysis Techniques
- Advanced Battery Materials and Technologies
- Catalytic Processes in Materials Science
- Optical Network Technologies
- Advanced Photonic Communication Systems
- Semiconductor Lasers and Optical Devices
- Photonic Crystals and Applications
- Electrochemical Analysis and Applications
- Ammonia Synthesis and Nitrogen Reduction
- Advanced Fiber Optic Sensors
- Graphene research and applications
- Advanced Memory and Neural Computing
- MXene and MAX Phase Materials
- Conducting polymers and applications
- Power Systems and Renewable Energy
- Advanced Battery Technologies Research
- Optical Coatings and Gratings
- Advanced Fiber Laser Technologies
- Extraction and Separation Processes
University of Shanghai for Science and Technology
2016-2025
National Synchrotron Radiation Laboratory
2022-2025
University of Science and Technology of China
2022-2025
Chongqing University
2015-2024
Inner Mongolia Normal University
2023-2024
Chinese Academy of Sciences
2008-2024
Hebei University of Technology
2010-2024
State Ethnic Affairs Commission
2024
East China University of Technology
2022-2024
Institute of Geology and Geophysics
2024
Water splitting is one of the ideal technologies to meet ever increasing demands energy. Many materials have aroused great attention in this field. The family nickel-based sulfides examples that possesses interesting properties water-splitting fields. In paper, a controllable and simple strategy synthesize nickel was proposed. First, we fabricated NiS2 hollow microspheres via hydrothermal process. After precise heat control specific atmosphere, NiS porous were prepared. applied hydrogen...
SnO(2) nanotubes with controllable morphologies are successfully synthesized by using a variety of one-dimensional (1D) silica mesostructures as effective sacrificial templates. Firstly, 1D different morphologies, such chiral nanorods, nonchiral nanofibers, and helical nanotubes, readily in aqueous solution the triblock copolymer Pluronic F127 cationic surfactant cetyltrimethylammonium bromide binary Subsequently, obtained used templates to synthesize preserved via simple hydrothermal route,...
The development of efficient electrocatalysts with low cost and earth abundance for overall water splitting is very important in energy conversion. Although many based on transition metal dichalcogenides have been developed, rational design controllable synthesis fine nanostructures subtle morphologies sequential chemical compositions related to these materials remains a challenge. This study reports series peapod‐like composites component‐controllable Co(S x Se 1– ) 2 nanoparticles...
Searching for a clean and renewable energy system is vital to alleviate the exacerbated environmental pollution problem while addressing dilemma. With clean, high calorific value features, hydrogen has been identified as an ideal carrier change global structure accomplish conversion in future. A promising technique generate water electrolysis, but rationally designing cost-effective highly efficient catalysts facilitate their widespread industrialization still formidable challenge. In recent...
The construction and understanding of synergy in well-defined dual-atom active sites is an available avenue to promote multistep tandem catalytic reactions. Herein, we construct a dual-hetero-atom catalyst that comprises adjacent Cu-N4 Se-C3 for efficient oxygen reduction reaction (ORR) activity. Operando X-ray absorption spectroscopy coupled with theoretical calculations provide in-depth insights into this mechanism ORR under realistic device operation conditions. heteroatom Se modulator...
Abstract In-depth comprehension and modulation of the electronic structure active metal sites is crucial to enhance their intrinsic activity electrocatalytic oxygen evolution reaction (OER) toward anion exchange membrane water electrolyzers (AEMWEs). Here, we elaborate a series amorphous oxide catalysts (FeCrO x , CoCrO NiCrO ) with high performance AEMWEs by high-valent chromium dopant. We discover that positive effect transition from low valence Co site on adsorption energy intermediate...
Transition-metal layered double hydroxides are widely utilized as electrocatalysts for the oxygen evolution reaction (OER), undergoing dynamic transformation into active oxyhydroxides during electrochemical operation. Nonetheless, our understanding of non-equilibrium structural changes that occur this process remains limited. In study, utilizing in situ energy-dispersive X-ray absorption spectroscopy and machine learning analysis, we reveal occurrence deprotonation elucidate role...
Identifying effective methods to enhance the properties of catalysts is urgent broaden scanty technologies, so far. Herein, we synthesized four Co3O4 crystals with different crystal planes and explored planes' effects on electrochemical water splitting through theoretical experimental studies for first time. The results illustrate that correlation catalytic activity established as {111} > {112} {110} {001}. exposed facets show highest OER (oxygen evolution reaction) HER (hydrogen activities....
A novel peapod-like Ni<sub>2</sub>P/C nanocomposite is designed and synthesized using NiNH<sub>4</sub>PO<sub>4</sub>H<sub>2</sub>O nanorod sacrificial templates. The exhibits high activity stability for the hydrogen evolution reaction an excellent electrochemical performance use in lithium ion batteries.
A novel strategy for nano-copper-assisted immobilization of S in high-surface-area mesoporous carbon cathodes room temperature Na-S batteries is presented. The unique structural composite cathode containing 50% shows stable and high reversible capacities, together with remarkable rate cycling capabilities. As a service to our authors readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed may be re-organized online delivery, but not...
Oxygen evolution reaction (OER) is known to have a significant role in renewable energy. Herein, we report low-cost, highly active, and superbly durable three-dimensional (3D) sandwiched NiFe/C arrays grown on Ni foam by general procedure. This special structure, with both graphitized carbon foam, possesses huge specific surface area, high electroconductivity, porous effectively enhancing electrocatalytic activities for OER. Furthermore, the structure coupled sheets encapsulating outside can...
An ultra-compact broadband TE-pass polarizer was proposed and demonstrated on the silicon-on-insulator (SOI) platform, using horizontal nanoplasmonic slot waveguide (HNSW). Detailed design principle presented, taking advantage of distinct confinement region TE TM modes in HNSW. mode cut-off could be achieved when width below 210 nm. Proof-of-concept devices were subsequently fabricated a CMOS-compatible process. The optimized device had an active length 1 μm, three orders magnitude smaller...
Abstract Non‐metal‐based single‐atom catalysts (SACs) offer low cost, simple synthesis methods, and effective regulation for substrates. Herein, we developed a simplified pressurized gas‐assisted process, report the first non‐metal phosphorus with atomic‐level dispersion on unique single‐crystal Mo 2 C hexagonal nanosheet arrays (001) plane supported by carbon sheet (SAP‐Mo C‐CS). The SAP‐Mo C‐CS is structurally stable shows exceptional electrocatalytic activity hydrogen evolution reaction...
The novel Fe2P nanoparticles encapsulated in sandwichlike graphited carbon envelope nanocomposite (Fe2P/GCS) that can be first applied hydrogen evolution reaction (HER) as well lithium-ion batteries (LIBs) has been designed and fabricated. unique sandwiched Fe2P/GCS is characterized with several prominent merits, including large specific surface area, nanoporous structure, excellent electronic conductivity, enhanced structural integrity so on. All of these endow the brilliant electrochemical...
High stable C/S composites are fabricated by a novel high-temperature sulfur infusion into micro-mesoporous carbon method following with solvent cleaning treatment. The composite cathodes show high Coulombic efficiency, long cycling stability and good rate capability in the electrolyte of 1.0 M LiPF6 + EC/DEC (1:1 v/v), for instance, reversible capacity treated C/S-50 (50% S) cathode retains around 860 mAh/g even after 500 cycles efficiency is close to 100%, which demonstrates best...
We present a high efficiency double-etched apodized fiber-to-waveguide grating coupler on silicon-on-insulator substrate, which can be fabricated using deep UV photolithography. The yields coupling loss of -1.5 dB with 3-dB bandwidth 54 nm at wavelength 1560 nm. Measurements and simulations show that the design is robust tolerant to fabrication process variations.