Xiangcun Li

ORCID: 0000-0003-1647-676X
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Research Areas
  • Advanced Battery Materials and Technologies
  • Advancements in Battery Materials
  • CO2 Reduction Techniques and Catalysts
  • Advanced battery technologies research
  • Covalent Organic Framework Applications
  • Advanced Battery Technologies Research
  • Advanced Photocatalysis Techniques
  • Electrocatalysts for Energy Conversion
  • Ionic liquids properties and applications
  • Membrane Separation and Gas Transport
  • Metal-Organic Frameworks: Synthesis and Applications
  • Solar-Powered Water Purification Methods
  • Membrane Separation Technologies
  • Surface Modification and Superhydrophobicity
  • Boron and Carbon Nanomaterials Research
  • Conducting polymers and applications
  • Electrochemical Analysis and Applications
  • Ammonia Synthesis and Nitrogen Reduction
  • Electrohydrodynamics and Fluid Dynamics
  • Muon and positron interactions and applications
  • Quantum-Dot Cellular Automata
  • Perovskite Materials and Applications

Dalian University
2019-2025

Dalian University of Technology
2019-2025

Smart Material (Germany)
2025

State Key Laboratory of Fine Chemicals
2025

Developing diatomic catalysts (DACs) for the CO2 reduction reaction (CO2RR) has emerged as a promising leading-edge research area owing to their maximum atomic utility and more sophisticated functionalities. However, proper design of DACs at an level understanding synergistic mechanism binary sites remain challenging. Herein, N-rich carbon matrix with precisely controlled Ni/Cu dual is synthesized through assistance metal–organic frameworks. The as-prepared catalyst presents high CO Faradaic...

10.1021/acscatal.1c02319 article EN ACS Catalysis 2021-10-01

A facile and scalable synthesis of N 4 Fe–CuN 3 diatomic sites on N-doped carbon frameworks. The CO Faraday efficiency is >95% at −0.4 to −1.1 V with an overpotential 50 mV.

10.1039/d1ta02833b article EN Journal of Materials Chemistry A 2021-01-01

Here we report a highly scalable yet flexible triple-layer structured porous C/SiO2 membrane via facile phase inversion method for advancing Li–sulfur battery technology. As multifunctional current-collector-free cathode, the conductive dense layer of offers hierarchical macropores as an ideal sulfur host to alleviate volume expansion species and facilitate ion/electrolyte transport fast kinetics, well spongelike pores enable high loading. The cathode enables filling most in additional...

10.1021/acsnano.9b01703 article EN ACS Nano 2019-04-16

Abstract Sluggish redox kinetics, shuttle effect, poor conductivity, and large volume change of sulfur limit the practical applications lithium‐sulfur batteries. Hollow, porous, necklace‐like Fe 3 C/N‐codoped carbon nanoboxes (Fe C/NC) connected by N‐doped (NC) nanofibers are designed pulverizing 2 O embedded in polyacrylonitrile (PAN) fibers to produce multifunctional hosts, which exhibit multiple polysulfide anchoring catalytic conversion activities. Experimental first‐principles density...

10.1002/adfm.202011249 article EN Advanced Functional Materials 2021-02-26

Membrane distillation (MD) holds great promise for high-saline solution treatment, but it is typically impeded by the trade-off between high mass transfer and antifouling properties of membrane. Herein, a new MD utilized membrane with bioinspired micro/nanostructure (lotus leaf fish gill) was constructed on commercial PP membrane, which can simultaneously enhance permeation flux in hypersaline operation. On basis classic nucleation theory hydrodynamics simulation, nanoscale structure...

10.1021/acsnano.0c07543 article EN ACS Nano 2020-11-16

We report here highly scalable yet stackable C/Fe3C membranes with fast ion-transport micro-/nanochannels and polysulfide-trapping networks via a facile phase-inversion process for high-areal-capacity Li–S batteries. The membrane cathodes aligned channels hierarchically porous significantly promote Li+ electron transportation meanwhile trap soluble polysulfide intermediates (LiPSs) effectively strong chemical adsorption of the doped Fe3C nanoparticles in toward LiPSs. further demonstrated...

10.1021/acs.nanolett.9b04551 article EN Nano Letters 2019-12-16

This work proposes a novel electrolyte additive, sulfobutylether-β-cyclodextrin, which remarkably improves the cycling stability of AZIBs with synergistic effect its zincophilic functional groups and unique adsorption configuration.

10.1039/d4ee03945a article EN Energy & Environmental Science 2025-01-01

The key to realizing practical applications of Li–S batteries lies in scalable fabrication cathode materials with high sulfur-loading and strong binding lithium polysulfides (LiPSs). We report a CeO2–CNT@C porous membrane large porosity 90%. Introducing CNTs is critical increase the construct networks as skeleton CeO2-doped carbon shell. macropores can improve transport Li+ electrolyte, while possess polysulfide-adsorbing electron-transferring ability. serve an Al foil-free interlayer for...

10.1021/acs.nanolett.0c03088 article EN Nano Letters 2020-08-24

Lithium sulfur batteries with a high energy density of 2600 Wh kg–1 and theoretical specific capacity 1675 mAh g–1 have been regarded as the most promising candidate for next generation high-energy storage devices. However, their commercial application is hindered by undesirable troubles rapid fading, insulation products (Li2S/Li2S2), volume expansion, low mass loading. Herein, three-dimensional holey CNT/sulfurized polyacrylonitrile (CNT@SPAN) freestanding cathode has fabricated one-step...

10.1021/acsmaterialslett.3c00450 article EN ACS Materials Letters 2023-06-30

Highly active catalysts are in great demand for CO2 electroreduction (CO2ER) due to the kinetically sluggish nature of CO2. Herein, a novel oxygen vacancy (Vo)-rich In–SnO2 hollow nanofiber catalyst is developed combine advantages tuning both morphological and electronic properties. In-doped SnO2 grain-stacked morphology fabricated through simple electrospinning method, aiming enlarge surface area hosting Vo, as well facilitate long-range charge mass transfer. In-doping synergistically...

10.1021/acs.iecr.0c05094 article EN Industrial & Engineering Chemistry Research 2021-01-12

Gas-liquid (G-L) reactive crystallization is a major technology for advanced materials construction, which requires short diffusion path on the interface to ensure reactant supply and stable crystal nucleation under ultrahigh supersaturation. Herein, covalent organic framework (COF) membrane with homo hierarchical pore structures was proposed as an effective interfacial material regulation of confined crystallization. By combining ordered nanopores COFs micropores anodic aluminum oxide...

10.1021/acsami.1c21385 article EN ACS Applied Materials & Interfaces 2022-01-11

Pore engineering of metal-organic frameworks is essential to achieve selective sieving gas molecules for mixed matrix membranes (MMMs). In this work, poly(ethylene glycol) diglycidyl ether (PEGDGE) small were proposed be immobilized into the cage NH2-MIL-101(Cr) (NMIL-101) by a covalent bond. A precise adjustment in pore size NMIL-101 was achieved through controlling PEGDGE content. The ring-opening reaction confirmed happen between epoxy and amino groups Fourier transform infrared...

10.1021/acs.iecr.2c00303 article EN Industrial & Engineering Chemistry Research 2022-04-29

1D nanotube (HNT) based MMM presents high CO2 permeation due to its long and hollow structure. However, the improvement of selectivity is still challenging. In this study, small PEI molecules with abundant amino groups were introduced into nanocages ZIF-8 HNTs construct facilitated transmission channel low resistance. PEI@ZIF-8 HNTs, –NH2 can facilitate transport in presence H2O, resulting an both permeability selectivity. Second, introduction adjust effective sieving size enhance Third,...

10.2139/ssrn.4023048 article EN SSRN Electronic Journal 2022-01-01
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