Wei Hu

ORCID: 0000-0002-7467-4783
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About
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Research Areas
  • Advancements in Battery Materials
  • Advanced Battery Materials and Technologies
  • Ferroelectric and Piezoelectric Materials
  • Electrocatalysts for Energy Conversion
  • Multiferroics and related materials
  • Advanced Battery Technologies Research
  • Microwave Dielectric Ceramics Synthesis
  • Molecular Junctions and Nanostructures
  • Advanced battery technologies research
  • Machine Learning in Materials Science
  • Gold and Silver Nanoparticles Synthesis and Applications
  • Catalytic Processes in Materials Science
  • Advanced biosensing and bioanalysis techniques
  • Advanced ceramic materials synthesis
  • Graphene research and applications
  • Spectroscopy and Chemometric Analyses
  • Luminescence and Fluorescent Materials
  • Dielectric properties of ceramics
  • Spectroscopy Techniques in Biomedical and Chemical Research
  • Electrochemical Analysis and Applications
  • Supercapacitor Materials and Fabrication
  • Advanced Photocatalysis Techniques
  • MXene and MAX Phase Materials
  • Carbon and Quantum Dots Applications
  • Molecular Sensors and Ion Detection

Qilu University of Technology
2018-2025

University of Science and Technology of China
2015-2025

Hefei National Center for Physical Sciences at Nanoscale
2018-2025

Lanzhou University
2025

Shandong Academy of Sciences
2018-2024

Institute of Oceanographic Instrumentation
2023-2024

Anhui University
2024

Nankai University
2024

Hunan Normal University
2024

Tongji University
2024

Because of their high theoretical energy density and low cost, lithium–sulfur (Li–S) batteries are promising next-generation storage devices. The electrochemical performance Li–S largely depends on the efficient reversible conversion Li polysulfides to Li2S in discharge elemental S during charging. Here, we report our discovery that monodisperse cobalt atoms embedded nitrogen-doped graphene (Co–N/G) can trigger surface-mediated reaction polysulfides. Using a combination operando X-ray...

10.1021/jacs.8b12973 article EN Journal of the American Chemical Society 2019-02-14

It is of great importance to understand the origin high oxygen-evolving activity state-of-the-art multimetal oxides/(oxy)hydroxides at atomic level. Herein we report an evident improvement oxygen evolution reaction via incorporating iron and vanadium into nickel hydroxide lattices. X-ray photoelectron/absorption spectroscopies reveal synergistic interaction between iron/vanadium dopants in host matrix, which subtly modulates local coordination environments electronic structures...

10.1038/s41467-018-05341-y article EN cc-by Nature Communications 2018-07-17

Lithium-metal anodes are recognized as the most promising next-generation for high-energy-storage batteries. However, lithium dendrites lead to irreversible capacity decay in lithium-metal batteries (LMBs). Besides, strict assembly-environment conditions of LMBs regarded a challenge practical applications. In this study, workable anode with an artificial hybrid layer composed polymer and alloy was designed prepared by simple chemical-modification strategy. Treated remained dendrite-free over...

10.1002/anie.201905712 article EN Angewandte Chemie International Edition 2019-05-21

Abstract Highly concentrated electrolytes (HCEs) significantly improve the stability of lithium metal anodes, but applications are often impeded by their limitation density, viscosity, and cost. Here, fluorobenzene (FB), an economical hydrocarbon with low density is demonstrated as a bifunctional cosolvent to obtain novel FB diluted highly electrolyte (FB‐DHCE). First, addition suppresses decomposition dimethoxyethane (DME) on Li strengthening interactions DME FSI − around + . Second,...

10.1002/adfm.202005991 article EN Advanced Functional Materials 2020-09-30

Most previous efforts are devoted to developing transition metals as electrocatalysts guided by the d-band center model. The of s-block periodic table have so far received little attention in application oxygen reduction reactions (ORR). Herein, a carbon catalyst with calcium (Ca) single atom coordinated N and O is reported, which displays exceptional ORR activities both acidic condition (E1/2 = 0.77 V, 0.1 m HClO4 ) alkaline 0.90 KOH). CaN, O/C exhibits remarkable performance zinc-air...

10.1002/adma.202107103 article EN Advanced Materials 2021-10-11

Porous carbon is the most promising cathode material for Zn-ion hybrid capacitors (ZIHCs), but limited by insufficient active adsorption sites and slow ion diffusion kinetics during charge storage. Herein, a pore construction-pore expansion strategy synthesizing multi-channel hollow nanofibers (MCHCNF) proposed, in which sacrificial template-induced structure eliminates barrier enhancing kinetics, generated ultrahigh surface area high-density defective structures effectively increase...

10.1002/smtd.202300714 article EN Small Methods 2023-08-04

Sodium-ion batteries (SIBs) are recognized as promising energy storage devices. However, they suffer from rapid capacity decay at ultra-low temperatures due to high Na

10.1002/anie.202400539 article EN Angewandte Chemie International Edition 2024-02-09

Lithium-sulfur (Li-S) batteries have many advantages but still face problems such as retarded polysulfides redox kinetics and Li dendrite growth. Most reported single atom catalysts (SACs) for Li-S are based on d-band transition metals whose d orbital constitutes active valence band, which is inclined to occur catalyst passivation. SACs 4f inner of rare earth challenging their great difficulty be activated. In this work, we design synthesize the first metal Sm has electron-rich promote...

10.1002/anie.202405417 article EN Angewandte Chemie International Edition 2024-05-18

The precise and rapid extraction of lithium from salt-lake brines is critical to meeting the global demand for resources. However, it remains a major challenge design ion-transport membranes with accurate recognition fast transport path target ion. Here, we report triazine covalent organic framework (COF) membrane high resolution Li+ Mg2+ that enables while almost completely inhibiting permeation. remarkably rejection by COF achieved via imposed ion dehydration construction energy well....

10.1002/anie.202422423 article EN Angewandte Chemie International Edition 2025-01-21

The challenge of evaluating catalyst surface-molecular adsorbate interactions holds the key for rational design catalysts. Finding an experimentally measurable and theoretically computable descriptor surface-adsorbate is a significant step toward achieving this goal. Here we show that electric dipole moment can serve as convenient yet accurate establishing structure-property relationships molecular adsorbates on metal surfaces. By training machine learning neural network with large data set...

10.1021/jacs.0c01825 article EN Journal of the American Chemical Society 2020-04-16

Abstract Solid electrolyte interphase (SEI) and cathode (CEI) with optimized components structures are considered to be crucial for lithium‐ion batteries. Here, gradient lithium oxysulfide (Li 2 SO x , = 0, 3, 4)/uniform fluoride (LiF)‐type SEI is designed in situ by using hexafluoroisopropyl trifluoromethanesulfonate (HFPTf) as additive. HFPTf more likely reduced on the surface of Li anode electrolytes due its high reduction potential. Moreover, can make + desolvated easily, leading...

10.1002/adfm.202104395 article EN Advanced Functional Materials 2021-06-26

Practical applications of lithium metal anodes are gravely impeded by inhomogeneous deposition, which results in dendrite growth. Electrolyte additives proven to be effective improving performance but usually serve only a single function. Herein, nitrofullerene is introduced as bifunctional additive with smoothing effect and forms protective solid electrolyte interphase (SEI) layer on stable anodes. By design, nitro-C60 can gather electrode protuberances via electrostatic interactions then...

10.1021/acs.nanolett.9b03562 article EN Nano Letters 2019-11-05

Abstract Herein, an environmentally friendly electrochemical approach is reported that takes advantage of the captodative effect and delocalization to generate nitrogen‐centered radicals (NCRs). By changing reaction parameters electrode material feedstock solubility, dearomatization enabled a selective dehydrogenative C−N versus N−N bond formation reaction. Hence, pyrido[1,2‐ ]benzimidazole tetraarylhydrazine frameworks were prepared through sustainable transition‐metal‐ exogenous...

10.1002/anie.202001510 article EN Angewandte Chemie International Edition 2020-03-23

SiO x coating is an effective strategy to prolong the cycling stability of Si-based anodes due robust interaction between Si and layer. However, layer-protected anode limited by relatively low initial Coulombic efficiency sluggish Li+ diffusion ability induced Herein, we present preparation selectively prelithiated Si@SiO (Si@Li2SiO3) using a facile resolve above issues. As for lithium ion batteries, Si@Li2SiO3 exhibits high (ICE) 89.1%, excellent rate performance (959 mA h g-1 at 30 A g-1),...

10.1021/acsami.8b22507 article EN ACS Applied Materials & Interfaces 2019-05-02

Infrared (IR) absorption provides important chemical fingerprints of biomolecules. Protein secondary structure determination from IR spectra is tedious since its theoretical interpretation requires repeated expensive quantum-mechanical calculations in a fluctuating environment. Herein we present novel machine learning protocol that uses few key structural descriptors to rapidly predict amide I various proteins and agrees well with experiment. Its transferability enabled us distinguish...

10.1021/jacs.0c06530 article EN Journal of the American Chemical Society 2020-10-30

Room temperature (RT) sodium–sulfur batteries suffer from slow reaction kinetics and polysulfide dissolution, resulting in poor performance. Sulfurized polyacrylonitrile is a unique sulfur cathode which suggested to involve only S3–4 shows high specific capacity. Herein, the designed Te0.04S0.96@pPAN with 4 mol % Te used as eutectic accelerator exhibits significantly enhanced excellent utilization, leading performance RT Na–S battery. delivers capacities of 1236 629 mA h g–1 1111 601 at 0.1...

10.1021/acsaem.9b00343 article EN ACS Applied Energy Materials 2019-04-01

Surface-enhanced Raman spectroscopy (SERS) is a powerful technique that can capture the electronic-vibrational "fingerprint" of molecules on surfaces. Ab initio prediction response long-standing challenge because diversified interfacial structures. Here we show cost-effective machine learning (ML) random forest method predict SERS signals trans-1,2-bis (4-pyridyl) ethylene (BPE) molecule adsorbed gold substrate. Using geometric descriptors extracted from quantum chemistry simulations...

10.1021/acs.jpclett.9b02517 article EN The Journal of Physical Chemistry Letters 2019-09-20

An ultrathick lithium metal anode (LMA) is a prerequisite for developing practical lithium-sulfur (Li-S) batteries that simultaneously meet the requirements of high areal capacity, lean electrolyte, and limited excess Li. Inspired by electrochemical process an organosulfur cathode, herein, we reconfigure such sulfur cathode using overlithiation strategy to enable formation performance LMA. Specifically, applicable LMA successfully constructed overlithiating well-known material, sulfurized...

10.1021/acsnano.0c06133 article EN ACS Nano 2020-09-14

Abstract The practical utilization of plasmon‐based technology relies on the ability to find high‐performance plasmonic materials other than noble metals. A key scientific challenge is significantly increase intrinsically low concentration free carriers in metal‐oxide materials. Here, a novel electron–proton co‐doping strategy developed achieve uniform hydrogen doping MoO 3 at mild conditions, which creates metal‐like ultrahigh free‐carrier approaching that metals (10 21 cm −3 H 1.68 versus...

10.1002/adma.202004059 article EN Advanced Materials 2020-11-10
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