A5000351527- Electrocatalysts for Energy Conversion
- Advanced battery technologies research
- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Advanced Photocatalysis Techniques
- Supercapacitor Materials and Fabrication
- Silicon Carbide Semiconductor Technologies
- Fuel Cells and Related Materials
- Electromagnetic wave absorption materials
- Advanced ceramic materials synthesis
- Advanced Antenna and Metasurface Technologies
- Catalytic Processes in Materials Science
- Graphene research and applications
- ZnO doping and properties
- Electrochemical Analysis and Applications
- Semiconductor materials and devices
- Aluminum Alloys Composites Properties
- Metamaterials and Metasurfaces Applications
- Diamond and Carbon-based Materials Research
- Nanowire Synthesis and Applications
- Advanced Battery Technologies Research
- Boron and Carbon Nanomaterials Research
- Nanopore and Nanochannel Transport Studies
- Chalcogenide Semiconductor Thin Films
- Covalent Organic Framework Applications
Fudan University
2016-2025
South China University of Technology
2018-2020
Wuhan University of Science and Technology
2017-2020
Shanghai Research Institute of Materials
2018-2019
Materials innovation institute
2018-2019
Northwestern Polytechnical University
2016-2018
Nanyang Technological University
2012-2016
Zhejiang University
2006-2015
Singapore Polytechnic
2015
Xi'an High Tech University
2011-2014
3D hollow hybrid composites with ultrafine cobalt sulfide nanoparticles uniformly embedded within the well-graphitized porous carbon polyhedra/carbon nanotubes framework are rationally fabricated using a green and one-step method involving simultaneous pyrolysis sulfidation of ZIF-67. Because synergistic coupling effects favored by unique nanohybridization, these exhibit high specific capacity, excellent cycle stability, superior rate capability when evaluated as electrodes in lithium-ion...
The rational design of an efficient and inexpensive electrocatalyst based on earth-abundant 3d transition metals (TMs) for the hydrogen evolution reaction still remains a significant challenge in renewable energy area. Herein, novel effective approach is developed synthesizing ultrafine Co nanoparticles encapsulated nitrogen-doped carbon nanotubes (N-CNTs) grafted onto both sides reduced graphene oxide (rGO) (Co@N-CNTs@rGO) by direct annealing GO-wrapped core-shell bimetallic zeolite...
High symmetric porous Co3O4 hollow dodecahedra constructed by nanometer-sized building blocks are rationally synthesized templating against Co-containing zeolitic imidazolate framework-67. The well-defined structure and highly framework render these exhibit high specific capacity, excellent cycling stability superior rate capability when evaluated as an anode material for lithium-ion batteries.
Nanostructured metal oxides with both anisotropic texture and hollow structures have attracted considerable attention respect to improved electrochemical energy storage enhanced catalytic activity. While synthetic strategies for the preparation of binary oxide are well-established, rational design fabrication complex ternary nonspherical features is still a challenge. Herein, we report simple scalable strategy fabricate highly symmetric porous ZnxCo3-xO4 polyhedra composed nanosized building...
Abstract Developing an ultimate electromagnetic (EM)-absorbing material that can not only dissipate EM energy but also convert the generated heat into electricity is highly desired remains a significant challenge. Here, we report hybrid Sn@C composite with biological cell-like splitting ability to address this The consisting of Sn nanoparticles embedded within porous carbon would split under cycled annealing treatment, leading more dispersed ultrasmall size. Benefiting from...
Porous CuO hollow architectures with perfect octahedral morphology are synthesized simply by annealing Cu-based metal–organic framework (MOF) templates. When tested as anode materials for lithium-ion batteries, these octahedra exhibit greatly enhanced performance of lithium storage excellent cycling stability and good rate capability.
Abstract Developing nonprecious electrocatalysts via a cost‐effective methods to synergistically achieve high active sites exposure and optimized intrinsic activity remains grand challenge. Here low‐cost scaled‐up chemical etching method is developed for transforming nickel foam (NF) into highly electrocatalyst both the hydrogen evolution reaction (HER) oxygen (OER). The synthetic involves Na 2 S‐induced of NF in presence Fe, leading growth ultrathin Fe‐doped Ni 3 S arrays on substrate (Fe x...
Abstract Construction of well‐defined metal–organic framework precursor is vital to derive highly efficient transition metal–carbon‐based electrocatalyst for hydrogen evolution reaction (HER) and oxygen (OER) in water splitting. Herein, a novel strategy involving an situ transformation ultrathin cobalt layered double hydroxide into 2D zeolitic imidazolate (ZIF‐67) nanosheets grafted with 3D ZIF‐67 polyhedra supported on the surface carbon cloth (2D/3D ZIF‐67@CC) proposed. After...
Abstract The development of a thin, tunable, and high‐performance flexible electromagnetic (EM) absorbing device that aims to solve signal interference or EM pollution is highly desirable but remains great challenge. Herein, demonstrated electrical‐driven constructed by an insulated organic‐polymer substrate, carrier transmission layer, core–shell structured absorber, enabling narrow tunable effective absorption region ( f E < 2.0 GHz) controlling the external voltage toward this As key...
Abstract The conversion of crystalline metal–organic frameworks (MOFs) into metal compounds/carbon hybrid nanocomposites via pyrolysis provides a promising solution to design electrocatalysts for electrochemical water splitting. However, pyrolyzing MOFs generally involves complex high‐temperature treatment, which can destroy the coordinated surroundings within MOFs, and as result not taking their full advantage electrolysis properties. Herein, simple room‐temperature boronization strategy is...
Sponge‐like composites assembled by cobalt sulfides quantum dots (Co 9 S 8 QD), mesoporous hollow carbon polyhedral (HCP) matrix, and a reduced graphene oxide (rGO) wrapping sheets are synthesized simultaneous thermal reduction, carbonization, sulfidation of zeolitic imidazolate frameworks@GO precursors. Specifically, Co QD with size less than 4 nm homogenously embedded within HCP which is encapsulated in macroporous rGO, thereby leading to the double carbon‐confined hierarchical strong...
Developing cost-effective and highly efficient bifunctional electrocatalysts for both hydrogen evolution reaction (HER) oxygen (OER) is of great interest overall water splitting but still remains a challenging issue. Herein, self-template route employed to fabricate unique hybrid composite constructed by encapsulating cobalt nitride (Co5.47N) nanoparticles within three-dimensional (3D) N-doped porous carbon (Co5.47N NP@N-PC) polyhedra, which can be served as active electrocatalyst. To afford...
Abstract Potassium‐ion hybrid capacitors (PIHCs), elaborately integrate the advantages of high output power as well long lifespan supercapacitors and energy density batteries, exhibit great possibilities for future generations storage devices. The critical next step implementation lies in exploring a high‐rate battery‐type anode with an ultra‐stable structure to match capacitor‐type cathode. Herein, “dual‐carbon” is constructed, which three‐dimensional nitrogen‐doped microporous carbon...
Abstract Designing non‐precious electrocatalysts to synergistically achieve a facilitated mass/electron transfer and exposure of abundant active sites is highly desired but remains significant challenge. Herein, composite electrocatalyst consisting dispersed Co/CoP heterojunction embedded within hierarchically ordered macroporous‐mesoporous‐microporous carbon matrix (Co/CoP@HOMC) rationally designed through the pyrolysis polystyrene sphere‐templated zeolite imidazolate framework‐67 (ZIF‐67)...
Abstract Engineering transition metal‐nitrogen‐carbon (TM‐N‐C) catalysts with high‐density accessible active sites and optimized electronic structure holds great promise in the context of electrochemical oxygen reduction reaction (ORR). Herein, a novel modification lysozyme‐modified zeolitic imidazolate framework isolated Co atoms anchored on dominated pyridinic‐N doped carbon (Co‐pyridinic N‐C) is reported. The atomically dispersed allows maximum site exposure while introduction pyridinic N...
Harvesting largely ignored and wasted electromagnetic (EM) energy released by electronic devices converting it into direct current (DC) electricity is an attractive strategy not only to reduce EM pollution but also address the ever-increasing crisis. Here we report synthesis of nanoparticle-templated graphene with monodisperse staggered circular nanopores enabling EM-heat-DC conversion pathway. We experimentally theoretically demonstrate that this nanoporous structure alters graphene's...
Abstract The electrochemical performance of lithium‐sulfur (Li‐S) batteries is severely hindered by the sluggish sulfur redox kinetics and shuttle effect lithium polysulfides (LiPSs). Herein, an integrated composite catalyst consisting Co nanoparticles single‐atom (SA) Zn co‐implanted in nitrogen‐doped porous carbon nanosheets grafted with nanotubes (Co/SA‐Zn@N‐C/CNTs) rationally developed toward this challenge. Experimental theoretical investigations indicate that synergistically dual...
Developing an efficient and non-precious pH-universal hydrogen evolution reaction electrocatalyst is highly desirable for production by electrochemical water splitting but remains a significant challenge. Herein, hierarchical structure composed of heterostructured Ni2 P-Ni12 P5 nanorod arrays rooted on Ni3 S2 film (Ni2 @Ni3 ) via simultaneous corrosion sulfidation built followed phosphidation treatment toward the metallic nickel foam. The combination theoretical calculations with in/ex situ...
Engineering non-precious transition metal (TM)-based electrocatalysts to simultaneously achieve an optimal intrinsic activity, high density of active sites, and rapid mass transfer ability for the oxygen reduction reaction (ORR) remains a significant challenge. To address this challenge, hybrid composite consisting Fex Co alloy nanoparticles uniformly implanted into hierarchically ordered macro-/meso-/microporous N-doped carbon polyhedra (HOMNCP) is rationally designed. The combined results...