A5029524889- Electrocatalysts for Energy Conversion
- Advanced battery technologies research
- Supercapacitor Materials and Fabrication
- Advanced Photocatalysis Techniques
- Ammonia Synthesis and Nitrogen Reduction
- Advancements in Battery Materials
- Conducting polymers and applications
- Nanomaterials for catalytic reactions
- Advanced Battery Materials and Technologies
- Advanced Sensor and Energy Harvesting Materials
- Fuel Cells and Related Materials
- Caching and Content Delivery
- Gold and Silver Nanoparticles Synthesis and Applications
- Copper-based nanomaterials and applications
- Catalytic Processes in Materials Science
- Quantum Dots Synthesis And Properties
- MXene and MAX Phase Materials
- Advanced biosensing and bioanalysis techniques
- TiO2 Photocatalysis and Solar Cells
- CO2 Reduction Techniques and Catalysts
- ZnO doping and properties
- Hydrogen Storage and Materials
- Perovskite Materials and Applications
- Electrochemical Analysis and Applications
- Electrochemical sensors and biosensors
Henan Normal University
2016-2025
Mudanjiang Normal University
2023
Northwest University
2020-2023
Jilin University of Chemical Technology
2022
Xinxiang University
2014-2021
Ministry of Education
2014-2017
Green Chemistry
2014-2015
Hokkaido University
2011
National Institute of Advanced Industrial Science and Technology
2009-2010
Institute of Solid State Physics
2009
Abstract Rational design and synthesis of highly active robust bifunctional non‐noble electrocatalysts for both oxygen evolution reaction (OER) reduction (ORR) are urgently required efficient rechargeable metal–air batteries. Herein, abundant MnO/Co heterointerfaces engineered in porous graphitic carbon (MnO/Co/PGC) polyhedrons via a facile hydrothermal‐calcination route with bimetal–organic framework as the precursor. The situ generated Co nanocrystals not only create well‐defined high...
Delicate design of nanostructures for oxygen-evolution electrocatalysts is an important strategy accelerating the reaction kinetics water splitting. In this work, Ni-Fe layered-double-hydroxide (LDH) nanocages with tunable shells are synthesized via a facile one-pot self-templating method. The number can be precisely controlled by regulating template etching at interface. Benefiting from double-shelled structure large electroactive surface area and optimized chemical composition,...
Herein we report a general dual-templating approach to prepare hierarchically macro-/meso-/microporous heteroatom-doped carbon materials using diverse low-cost biomass precursors.
This review summarizes recent advances in and future prospects of iron-based phosphides as electrocatalysts for the hydrogen evolution reaction, providing an in-depth understanding two important aspects to boost catalytic performances.
In this paper, three-dimensional (3D) Ag/ZnO hollow microspheres with different Ag contents were prepared through a facile one-pot hydrothermal method assisted by sodium alginate. The samples structurally characterized X-ray diffraction, field emission scanning electron microscope, high resolution transmission and photoelectron spectroscopy. It was shown that all composed of metallic wurtzite ZnO; the 3D constructed from self-assembled 1D nanorods; surface O species can be categorized to...
The ambient electrocatalytic N2 reduction reaction (NRR) enabled by TiO2 has attracted extensive recent attention. Previous studies suggest the formation of Ti3+ in can significantly improve NRR activity, but it still remains unclear what kinds are effective. Herein, is demonstrated that mixed-valent Cu acts as an effective dopant to modulate oxygen vacancy (VO ) concentration and formation, which markedly improves performance. In 0.5 m LiClO4 , this electrocatalyst attains a high Faradic...
Amaranthus waste is reported to be a single precursor synthesize highly porous nitrogen-doped carbon as superior oxygen reduction electrocatalyst.
We have designed and synthesized novel hollow Ni/Fe layered double hydroxide (LDH) polyhedrons as an advanced sulfur host for enhancing the performance of lithium-sulfur (Li-S) batteries. The LDH shows multiple advantages. First, shells can provide sufficient sulfiphilic sites chemically bonding with polysulfides. Second, architecture inner space both loading a large amount accommodating its volumetric expansion. Moreover, once active material is confined within host, could easily restrict...
Hybrid materials, integrating the merits of individual components, are ideal structures for efficient sodium storage. However, construction hybrid with decent physical/electrochemical properties is still challenging. Now, elaborate design and synthesis hierarchical nanoboxes composed three-layered Cu2 S@carbon@MoS2 as anode materials sodium-ion batteries reported. Through a facile multistep template-engaged strategy, ultrathin MoS2 nanosheets grown on nitrogen-doped carbon-coated S to...
A series of nitrogen and oxygen enriched porous carbons are prepared from poly-N-phenylethanolamine (PNPEA) polyaniline (PANI) conducting polymers through pyrolysis, chemical activation, oxidation processes. Ar or N2-adsorption, Fourier transform infrared, X-ray photoelectron spectroscopy used to characterize the surface areas, pore volumes, compositions, content. Mikhail Brunauer micropore analytical method (MP method) is successfully analyze size distribution samples. The electrochemical...
In this review, we summarize recent advances in the design and development of electrocatalysts for N<sub>2</sub> reduction reaction. We also discuss strategies to boost catalytic performances, methods reliable NRR experiments, perspectives further research directions.
Abstract Exploring earth‐abundant electrocatalysts with excellent activity, robust stability, and multiple functions is crucial for electrolytic hydrogen generation. Porous phosphorized CoNi 2 S 4 yolk‐shell spheres (P‐CoNi YSSs) were rationally designed synthesized by a combined hydrothermal sulfidation gas‐phase phosphorization strategy. Benefiting from the strengthened Ni 3+ /Ni 2+ couple, enhanced electronic conductivity, hollow structure, P‐CoNi YSSs exhibit activity durability towards...
Abstract Limited by the sluggish four‐electron transfer process, designing high‐performance nonprecious electrocatalysts for oxygen evolution reaction (OER) and reduction (ORR) is urgently desired efficient rechargeable Zn–air batteries (ZABs). Herein, successful synthesis of porous nitrogen‐doped cobalt pyrite yolk–shell nanospheres (N‐CoS 2 YSSs) reported. Benefiting from abundant porosity structure unique electronic properties nitrogen doping, as‐prepared N‐CoS YSSs possess more exposed...
The urgent need for sustainable energy development depends on the progress of green technologies, which have steered hot research areas into environmentally benign approaches via inexpensive precursors and abundant resources obtained directly from nature devices such as fuel cells supercapacitors. By using fermented rice starting materials, we herein demonstrate a facile, scalable approach to synthesize porous N-doped carbon spheres characterised by high specific surface (2105.9 m2 g−1)...
The construction of hybrid architectures for electrode materials has been demonstrated as an efficient strategy to boost sodium-storage properties because the synergetic effect each component. However, fabrication nanostructures with a rational structure and desired composition effective sodium storage is still challenging. In this study, integrated nanostructure composed copper-substituted CoS2 @Cux S double-shelled nanoboxes (denoted Cu-CoS2 DSNBs) was synthesized through metal-organic...
We report the synthesis of cobalt sulfide multi-shelled nanoboxes through metal-organic framework (MOF)-based complex anion conversion and exchange processes. The polyvanadate ions react with cobalt-based zeolitic imidazolate framework-67 (ZIF-67) nanocubes to form ZIF-67/cobalt yolk-shelled particles. as-formed particles are gradually converted into divanadate by solvothermal treatment. number shells can be easily controlled from 2 5 varying temperature. Finally, produced ion-exchange S2-...
NiCo2 O4 nanowire array on carbon cloth (NiCo2 /CC) is proposed as a highly active electrocatalyst for ambient nitrate (NO3- ) reduction to ammonia (NH3 ). In 0.1 m NaOH solution with NaNO3 , such /CC achieves high Faradic efficiency of 99.0% and large NH3 yield up 973.2 µmol h-1 cm-2 . The superior catalytic activity comes from its half-metal feature optimized adsorption energy due the existence Ni in crystal structure. A Zn-NO3- battery cathode also shows record-high performance.
A glucose sensor based on a conductive Ni-MOF as an electrocatalyst exhibits fast response time, low detection limit, and high sensitivity, it can also be applied for the of in blood serum samples.
We summarize latest advances of electrospun nanofibers as supercapacitor electrode materials, providing an in-depth understanding pore engineering, heteroatom doping, construction carbon-based composites and metal oxides.
This review summarizes the recent progress of A-site perovskite oxides as an emerging functional material for electrocatalysis and photocatalysis applications.
Electrochemical water splitting, as a promising sustainable‐energy technology, has been limited by its slow kinetics and large overpotential. This shortcoming necessitates the design of 1D nanocatalysts with surface area, high electronic conductivity, easily tunable composition. Herein, recent progress about electrocatalytic splitting based on advanced electrospun nanomaterials is reviewed. First, related fundamentals electrochemical according to two main aspects are discussed follows:...