Fengxiang Liu

ORCID: 0000-0001-7751-0605
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About
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Research Areas
  • Fuel Cells and Related Materials
  • Advanced Battery Materials and Technologies
  • Advancements in Battery Materials
  • Electrocatalysts for Energy Conversion
  • Conducting polymers and applications
  • Advanced battery technologies research
  • Membrane-based Ion Separation Techniques
  • Advanced Battery Technologies Research
  • Advancements in Solid Oxide Fuel Cells
  • Supercapacitor Materials and Fabrication
  • Perovskite Materials and Applications
  • Quantum Dots Synthesis And Properties
  • Advanced Fiber Optic Sensors
  • Metamaterials and Metasurfaces Applications
  • Photonic and Optical Devices
  • Catalytic Processes in Materials Science
  • Plasmonic and Surface Plasmon Research
  • Catalysis and Oxidation Reactions
  • Gas Sensing Nanomaterials and Sensors
  • Ionic liquids properties and applications
  • Polyoxometalates: Synthesis and Applications
  • Semiconductor Lasers and Optical Devices
  • Advanced Photocatalysis Techniques
  • Extraction and Separation Processes
  • Electrochemical sensors and biosensors

Tsinghua University
2022-2025

State Key Laboratory of Chemical Engineering
2022-2025

Hefei University
2024

Changchun University of Technology
2017-2023

Wuhan National Laboratory for Optoelectronics
2021-2022

Huazhong University of Science and Technology
2021-2022

South China Normal University
2020-2021

Beijing Institute of Technology
2015-2017

Liaocheng University
2013

Improved durability, enhanced interfacial stability, and room temperature applicability are desirable properties for all-solid-state lithium metal batteries (ASSLMBs), yet these desired rarely achieved simultaneously. Here, in this work, it is noticed that the huge resistance at Li metal/electrolyte interface dominantly impeded normal cycling of ASSLMBs especially around (<30 °C). Accordingly, a supramolecular polymer ion conductor (SPC) with "weak solvation" Li+ was prepared. Benefiting...

10.1002/anie.202306948 article EN Angewandte Chemie International Edition 2023-07-06

Abstract The electrolytes for lithium metal batteries (LMBs) are plagued by a low Li + transference number (T ) of conventional salts and inability to form stable solid electrolyte interphase (SEI). Here, we synthesized self‐folded salt, 2‐[2‐(2‐methoxy ethoxy)ethoxy]ethanesulfonyl(trifluoromethanesulfonyl) imide (LiETFSI), comparatively studied with its structure analogue, 1,1,1‐trifluoro‐N‐[2‐[2‐(2‐methoxyethoxy)ethoxy)]ethyl]methanesulfonamide (LiFEA). special anion chemistry imparts the...

10.1002/anie.202316717 article EN Angewandte Chemie International Edition 2024-03-13

Abstract The electrolytes for lithium metal batteries (LMBs) are plagued by a low Li + transference number (T ) of conventional salts and inability to form stable solid electrolyte interphase (SEI). Here, we synthesized self‐folded salt, 2‐[2‐(2‐methoxy ethoxy)ethoxy]ethanesulfonyl(trifluoromethanesulfonyl) imide (LiETFSI), comparatively studied with its structure analogue, 1,1,1‐trifluoro‐N‐[2‐[2‐(2‐methoxyethoxy)ethoxy)]ethyl]methanesulfonamide (LiFEA). special anion chemistry imparts the...

10.1002/ange.202316717 article EN Angewandte Chemie 2024-03-13

A series of composite cross-linked membrane based on fluorine-containing polybenzimidazole (6FPBI) and a cross-linkable polymeric ionic liquid (cPIL) have been prepared for high temperature proton exchange (HT-PEM) applications. Particularly, the obtained membranes showed excellent phosphoric acid doping ability conductivity. On basis trade-off between mechanical strength conductivity membranes, optimal content cPIL is 20 wt % (6FPBI-cPIL membrane). For instance, 6FPBI-cPIL with PA level...

10.1021/acssuschemeng.8b03419 article EN ACS Sustainable Chemistry & Engineering 2018-11-01

A multifunctional interface modulator GO/(CsPbBr 3 QD) composite decreases resistive losses of perovskite solar modules by enhanced charge transport and decreased carrier recombination, as well inhibiting ion/molecule diffusion.

10.1039/d1ee01778k article EN Energy & Environmental Science 2021-11-16

Solid polymer electrolytes (SPEs) are the key components for all-solid-state lithium metal batteries with high energy density and intrinsic safety. However, low ion transference number (t+) of a conventional SPE its unstable electrolyte/electrode interface cannot guarantee long-term stable operation. Herein, asymmetric trihalogenated aromatic salts, i.e., (3,4,5-trifluorobenzenesulfonyl)(trifluoromethanesulfonyl)imide (LiFFF)...

10.1021/acsnano.3c07246 article EN ACS Nano 2023-10-02

Li metal is regarded as the most promising battery anode to boost energy density. However, being faced with hostile compatibility between and traditional carbonate electrolyte, its large-scale industrialization has been in a distressing circumstance due severe dendrite growth caused by unsatisfying solid electrolyte interphase (SEI). With this regard, accurate control over composition of SEI urgently desired tackle electrochemical mechanical instability at electrolyte/anode interface....

10.1021/acsnano.3c06088 article EN ACS Nano 2023-08-14

Abstract Long‐term stability has become the major obstacle for successful large‐scale application of perovskites devices. Owing to ionic nature metal‐halide perovskites, interfacial ion diffusion can induce irreversible degradation under operational conditions, which presents a great challenge realize stable perovskite solar modules. Here, diphenylphosphine oxide compound, ethane‐1,2‐diylbis(diphenylphosphine oxide) (DPPO) is introduced coordinate with lead iodide and form cross‐linked 1D Pb...

10.1002/aenm.202102820 article EN Advanced Energy Materials 2021-11-11
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