Hao Wang

ORCID: 0000-0001-7414-0426
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About
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Research Areas
  • Advancements in Battery Materials
  • Advanced Battery Materials and Technologies
  • Supercapacitor Materials and Fabrication
  • Advanced Battery Technologies Research
  • Advanced battery technologies research
  • Transition Metal Oxide Nanomaterials
  • Conducting polymers and applications
  • Electrocatalysts for Energy Conversion
  • Gas Sensing Nanomaterials and Sensors
  • Advanced Sensor and Energy Harvesting Materials
  • Copper-based nanomaterials and applications
  • Extraction and Separation Processes
  • Quantum Dots Synthesis And Properties
  • Chalcogenide Semiconductor Thin Films
  • Catalytic Processes in Materials Science
  • MXene and MAX Phase Materials
  • Ferroelectric and Piezoelectric Materials
  • Advanced Photocatalysis Techniques
  • Advanced Memory and Neural Computing
  • Graphene research and applications
  • Semiconductor materials and devices
  • Perovskite Materials and Applications
  • Fuel Cells and Related Materials
  • Nanomaterials for catalytic reactions
  • Electronic and Structural Properties of Oxides

Northeast Agricultural University
2025

Hubei University
2014-2025

University of Southern Queensland
2022-2025

Material (Belgium)
2025

University of Electronic Science and Technology of China
2023-2025

Beijing University of Technology
2015-2024

Chinese Academy of Sciences
2011-2024

Hainan University
2024

National University of Singapore
2013-2024

North China University of Science and Technology
2023-2024

Single-atom catalysts provide an effective approach to reduce the amount of precious metals meanwhile maintain their catalytic activity. However, sluggish activity for alkaline water dissociation has hampered advances in highly efficient hydrogen production. Herein, we develop a single-atom platinum immobilized NiO/Ni heterostructure (PtSA-NiO/Ni) as evolution catalyst. It is found that Pt single atom coupled with enables tunable binding abilities hydroxyl ions (OH*) and (H*), which...

10.1038/s41467-021-24079-8 article EN cc-by Nature Communications 2021-06-18

The requirement of energy-storage equipment needs to develop the lithium ion battery (LIB) with high electrochemical performance. surface modification commercial LiFePO4 (LFP) by utilizing zeolitic imidazolate frameworks-8 (ZIF-8) offers new possibilities for LFP performances. In this work, carbonized ZIF-8 (CZIF-8) was coated on particles in situ growth and carbonization ZIF-8. Transmission electron microscopy indicates that there is an approximate 10 nm coating layer metal zinc...

10.1007/s40820-017-0154-4 article EN cc-by Nano-Micro Letters 2017-09-25

Abstract Metal oxides with a tunnelled structure are attractive as charge storage materials for rechargeable batteries and supercapacitors, since the tunnels enable fast reversible insertion/extraction of carriers (for example, lithium ions). Common synthesis methods can introduce large cations such potassium, barium ammonium ions into tunnels, but how these affect performance is not fully understood. Here, we report role tunnel in governing electrochemical properties electrode by focusing...

10.1038/ncomms13374 article EN cc-by Nature Communications 2016-11-21

Abstract The lengthened ion pathway in restacked 2D materials greatly limits the electrochemical performance of practically dense film electrodes (mass loading >10 mg cm −2 ). Typical strategies such as insertion nanomaterials and 3D‐structure design is expected to reduce volumetric capacitance Ti 3 C 2 T x electrodes, diminishing dominating advantage over other electrode materials. Here, a novel, facile, controllable H SO 4 oxidation method developed for alleviating restacking issue with...

10.1002/aenm.202003025 article EN Advanced Energy Materials 2020-12-13

Abstract Aqueous rechargeable Zn – MnO x batteries are very attractive due to their low‐cost and high energy density. However, Mn(III) disproportionation Jahn–Teller distortion can induce Mn(II) dissolution irreversible phase changes, greatly deteriorating the cycling life. Herein, a multi‐valence cobalt‐doped Mn 3 O 4 (Co‐Mn ) with capacity reversibility, which lies in multiple roles of various states doped cobalt, is reported. The Co 2+ doping between change product δ‐MnO 2 layer acts as...

10.1002/aenm.202003203 article EN Advanced Energy Materials 2020-12-31

Abstract Developing high energy density lithium secondary batteries is pivotal for satisfying the increasing demand in advanced storage systems. Lithium metal (LMBs) have attracted growing attention due to their theoretical capacity, but dendrites issue severely fetter real‐world applications. It found that reducing anion migration near prolongs nucleation time of dendrites, meanwhile, promoting homogeneous deposition suppresses dendritic growth. Thus, regulating ion transport LMBs a...

10.1002/adfm.202102938 article EN Advanced Functional Materials 2021-06-12

Lithium-ion batteries (LIBs) have been demonstrated as one of the most promising energy storage devices for applications in electric vehicles, smart grids, large-scale systems, and portable electronics.

10.1039/d0ta03321a article EN Journal of Materials Chemistry A 2020-01-01

A hybrid catalyst based on single-atom Pt anchored Co(OH)<sub>2</sub> nanosheets growing a Ag nanowire network with high intrinsic activity is developed for an efficient hydrogen evolution reaction.

10.1039/d0ee01347a article EN Energy & Environmental Science 2020-01-01

CoPS nanoparticles encapsulated with S, P, N tri-doped carbon material (SPNC) were proposed as bifunctional electrocatalyst of oxygen evolution reaction (OER) and reduction (ORR) derived from zeolitic imidazolate framework-67. Density functional theory calculations consistently revealed that P element in CoPS@SPNC improves the electrical conductivity reduces OH∗ hydrogenation energy barrier on Co sites, thereby facilitating overall ORR/OER activities. A flexible Zn–air battery delivered an...

10.1016/j.apmate.2021.12.003 article EN cc-by-nc-nd Advanced Powder Materials 2021-12-23

Abstract The lithium dendrite issue is a major bottleneck that limits the utilization of metal anodes in high‐energy rechargeable batteries. From perspective nucleation mechanism, this work develops new type cation‐selective (CS) separator with anion immobilization behavior to boost anode. By taking advantage poly(vinylidene fluoride) matrix, strong binding force anions contributes an excellent CS property separator, which further confirmed by molecular dynamics simulations. developed...

10.1002/adfm.202112711 article EN Advanced Functional Materials 2022-03-01

This review provides a route for constructing advanced IR-ECDs towards real-world applications in smart windows, IR sensors, thermal control and military camouflage.

10.1039/d1ta10970g article EN Journal of Materials Chemistry A 2022-01-01

Abstract Achieving a high Li + transference number is an effective strategy to inhibit the nucleation of lithium dendrites on metal anode according classical Sand's time principle. However, improving usually causes aloss ionic conductivity batteries. Here, inspired by biological ion channels tuning transport, electronegative nanochannels separator developed accelerate transport for enabling dendrite‐free and high‐rate anodes. Benefiting from selective fast can simultaneously achieve (0.77)...

10.1002/aenm.202204007 article EN Advanced Energy Materials 2023-06-11

Abstract The rational design of catalysts’ spatial structure is vitally important to boost catalytic performance by exposing the active sites and increasing specific surface area. Herein, heteroatom doping morphology CoNi metal‐organic frameworks(MOF) are modulated controlling volume ionic liquid used in synthesis generating CoSe 2 ‐NiSe heterojunction structures wrapped N, P, F tri‐doped carbon(NPFC) after a selenisation process. Notably, unique cubic porous /NPFC results five times that...

10.1002/advs.202206029 article EN cc-by Advanced Science 2023-01-13

Abstract Uncontrolled ion transport and susceptible SEI films are the key factors that induce lithium dendrite growth, which hinders development of metal batteries (LMBs). Herein, a TpPa‐2SO 3 H covalent organic framework (COF) nanosheet adhered cellulose nanofibers (CNF) on polypropylene separator (COF@PP) is successfully designed as battery to respond aforementioned issues. The COF@PP displays dual‐functional characteristics with aligned nanochannels abundant functional groups COFs, can...

10.1002/smll.202300023 article EN Small 2023-05-16

A coupled oxygen evolution mechanism (COM) during reaction (OER) has been reported in nickel oxyhydroxides (NiOOH)-based materials by realizing eg* band (3d electron states with eg symmetry) broadening and light irradiation. However, the link between extent COM-based OER activities remains unclear. Here, Ni1-xFexOOH (x = 0, 0.05, 0,2) are prepared to investigate underlying governing activities. It is revealed that low potential region, stronger could facilitate *OH deprotonation. Meanwhile,...

10.1038/s41467-023-43302-2 article EN cc-by Nature Communications 2023-11-18

10.1016/s0921-5107(03)00264-2 article EN Materials Science and Engineering B 2003-09-17

In this study, a systematic approach was applied to the hydrothermal synthesis of Zn2SnO4 (ZTO) nanocrystals gain insight into fundamental factors controlling phase composition, particle size, crystal morphology and photocatalytic activity. The influence various operating conditions, such as reaction temperature, alkaline concentration, duration time, additive surfactants on treatment process were investigated. By combining results X-ray diffraction (XRD), electron microscopy...

10.1021/jp7113797 article EN The Journal of Physical Chemistry C 2008-02-28

Nanocubic La2Sn2O7 photocatalysts with pyrochlore structure have been successfully synthesized by a one-pot hydrothermal method. The effects of alkaline concentration, reaction time, and temperature on the structures morphologies resultant products were investigated. On basis characterization results from X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission (TEM), selected area (SAED), possible growth mechanism nanocubes under conditions was proposed. absorption spectra...

10.1021/jp0684628 article EN The Journal of Physical Chemistry C 2007-07-21

Electrochemical capacitors, commonly known as supercapacitors, are important energy storage devices with high power capabilities and long cycle lives. Here we report the development application of in situ nuclear magnetic resonance (NMR) methodologies to study changes at electrode-electrolyte interface working they charge discharge. For a supercapacitor comprising activated carbon electrodes an organic electrolyte, NMR experiments carried out different states allow quantification number...

10.1021/ja410287s article EN publisher-specific-oa Journal of the American Chemical Society 2013-11-25

(11)B NMR spectroscopy has been used to investigate the sorption of BF(4)(-) anions on a highly porous, high surface area carbon, and different binding sites have identified. By implementing in situ approaches, migration ions between electrodes supercapacitors changes nature ion observed real time.

10.1021/ja2072115 article EN Journal of the American Chemical Society 2011-11-01
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