Xun Xu

ORCID: 0000-0002-0504-362X
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About
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Research Areas
  • Superconductivity in MgB2 and Alloys
  • Physics of Superconductivity and Magnetism
  • Advancements in Battery Materials
  • Graphene research and applications
  • Advanced Photocatalysis Techniques
  • Advanced Battery Materials and Technologies
  • Iron-based superconductors research
  • Electrocatalysts for Energy Conversion
  • Boron and Carbon Nanomaterials Research
  • Advanced battery technologies research
  • Topological Materials and Phenomena
  • Supercapacitor Materials and Fabrication
  • 2D Materials and Applications
  • MXene and MAX Phase Materials
  • Thermal Expansion and Ionic Conductivity
  • Advanced Condensed Matter Physics
  • Copper-based nanomaterials and applications
  • Quantum and electron transport phenomena
  • Perovskite Materials and Applications
  • Magnetic Properties of Alloys
  • Advanced Battery Technologies Research
  • Magnetic properties of thin films
  • Fuel Cells and Related Materials
  • ZnO doping and properties
  • Rare-earth and actinide compounds

University of Wollongong
2016-2025

BGI Research
2025

BGI Group (China)
2025

Daqing Normal University
2025

Shanghai University
2024

Beijing Computational Science Research Center
2024

Nanjing Medical University
2024

Tsinghua University
2023-2024

Fuzhou University
2023-2024

Jiangxi Science and Technology Normal University
2018-2023

Highly active, durable, and inexpensive nanostructured catalysts are crucial for achieving efficient economical electrochemical water splitting. However, developing approaches to further improve the catalytic ability of well-defined is still a big challenge. Herein, we report facile universal cation-exchange process synthesizing Fe-doped Ni(OH)2 Co(OH)2 nanosheets with enriched active sites toward enhanced oxygen evolution reaction (OER). In comparison typical NiFe layered double hydroxide...

10.1021/acscatal.8b01332 article EN ACS Catalysis 2018-05-03

Metal organic framework (MOF)-derived Co-doped nickel selenide/C hybrid nanostructure supported on Ni foam can efficiently catalyze the overall water splitting.

10.1039/c6ta06496e article EN Journal of Materials Chemistry A 2016-01-01

Abstract Development of effective, stable, and economic electrocatalysts is critical for further implementation fuel cells, water electrolysis, metal–air batteries in clean energy conversion technologies. As a subfamily metal–organic frameworks (MOFs), zeolitic imidazolate (ZIFs) possess the characteristics both MOFs zeolites, showing highly porous structures, large surface area, open catalytic active sites. This review presents materials design strategies constructing improved based on ZIF...

10.1002/aenm.201801257 article EN Advanced Energy Materials 2018-07-10

Efficient water splitting demands highly active, low cost, and robust electrocatalysts. In this study, we report the synthesis of penroseite (Ni,Co)Se2 nanocages anchored on 3D graphene aerogel using Prussian blue analogues as a precursor further their applications in overall electrolysis. The synergy between high activity good conductivity leads to superior performance hybrid toward basic solutions. (Ni,Co)Se2-GA only requires cell voltage 1.60 V reach current density 10 mA cm–2, making...

10.1021/acscatal.7b02079 article EN ACS Catalysis 2017-08-14

Developing novel gold nanoclusters as an electrocatalyst can facilitate a completely reversible reaction between S and Na, achieving advanced high-energy-density room-temperature sodium–sulfur batteries.

10.1039/c9ee03251g article EN Energy & Environmental Science 2019-12-20

Designing cost-effective and efficient electrocatalysts plays a pivotal role in advancing the development of electrochemical water splitting for hydrogen generation. Herein, multifunctional active-center-transferable heterostructured electrocatalysts, platinum/lithium cobalt oxide (Pt/LiCoO2 ) composites with Pt nanoparticles (Pt NPs) anchored on LiCoO2 nanosheets, are designed towards highly splitting. In this electrocatalyst system, active center can be alternatively switched between...

10.1002/anie.202005241 article EN publisher-specific-oa Angewandte Chemie International Edition 2020-06-02

We observed electronic Kagome lattice and possible nontrivial flat band in twisted multilayer silicene at 77 K.

10.1126/sciadv.aau4511 article EN cc-by-nc Science Advances 2018-11-02

Abstract Lithium‐sulfur batteries hold great potential for next‐generation energy storage systems, due to their high theoretical density and the natural abundance of sulfur. Although much progress has been achieved recently, low actual LiS is still key challenge in implementing practical applications. Because greatly depends on areal capacity sulfur cathodes, content loading play an important role meeting conditions necessary Therefore, escalating cathodes essential promote technology from...

10.1002/aenm.202201585 article EN cc-by-nc-nd Advanced Energy Materials 2022-08-03

The prospective utilization of nanoscale superconductors as micro/nanocoils or circuits with superior current density and no electrical resistance loss in next‐generation electronics electromagnetic equipment represents a fascinating opportunity for new microsystem technologies. Here, family superconducting liquid metals (Ga–In–Sn alloys) their nanodroplets toward printable stretchable micro/nanoelectronics is developed. By tuning the composition highest critical temperature ( T c ) this can...

10.1002/adfm.201603427 article EN publisher-specific-oa Advanced Functional Materials 2016-09-26

Pursuing efficient and low-cost electrocatalysts is crucial for the performance of water–alkali electrolyzers toward water splitting. Earth-abundant transition-metal oxides, in spite their alluring performances oxygen evolution reaction, are thought to be inactive hydrogen reaction alkaline media. Here, we demonstrate that pure TiO2 single crystals, a typical oxide, can activated electrocatalytic media through engineering interfacial vacancies. Experimental theoretical results indicate...

10.1021/acscatal.8b00719 article EN ACS Catalysis 2018-04-11

Sodium-ion battery (SIB) as one of the most promising large-scale energy storage devices has drawn great attention in recent years. However, development SIBs is limited by lacking proper anodes with long cycling lifespans and large reversible capacities. Here we present rational synthesis Rayleigh-instability-induced bismuth nanorods encapsulated N-doped carbon nanotubes (Bi@N–C) using Bi2S3 nanobelts template for high-performance SIB. The Bi@N–C electrode delivers superior sodium...

10.1021/acs.nanolett.8b05189 article EN Nano Letters 2019-02-06

The “host” modification strategy can guide homogeneous Na deposition, suppress dendrite formation and mitigate volume fluctuation. This work reviews the research progress of various skeleton materials for sodium metal anodes in recent years.

10.1039/d1ee01341f article EN Energy & Environmental Science 2021-01-01

Hydrogel-based wearable flexible pressure sensors have great promise in human health and motion monitoring. However, it remains a challenge to significantly improve the toughness, sensitivity stability of hydrogel sensors. Here, we demonstrate fabrication hierarchically structured by 3D printing microgel-reinforced double network (MRDN) hydrogels achieve both very high mechanical toughness. Polyelectrolyte microgels are used as building blocks, which interpenetrated with second network,...

10.1039/d3mh00718a article EN Materials Horizons 2023-01-01

Lithium-ion batteries have long been used in electronic products and electric vehicles, but their energy density is slowly failing to keep up with demand. Because of its extraordinarily high theoretical specific capacity, silicon regarded as the most potential next-generation anode material for practical lithium-ion batteries. However, unavoidable volume expansion issue can cause electrode deformation loss electrical contact during cycling, resulting significant performance reduction. This...

10.1016/j.pnsc.2023.02.001 article EN cc-by-nc-nd Progress in Natural Science Materials International 2023-02-01

Abstract Regulating the electric double layer (EDL) structure of zinc metal anode by using electrolyte additives is an efficient way to suppress interface side reactions and facilitate uniform deposition. Nevertheless, there are no reports investigating proactive design EDL‐regulating before start experiments. Herein, a functional group assembly strategy proposed for modulating EDL, thereby realizing long‐lasting anode. Specifically, screening ten common groups, N,...

10.1002/anie.202405209 article EN Angewandte Chemie International Edition 2024-05-07

Abstract Sodium ion batteries (NIBs) and potassium (KIBs) are promising candidates for large‐scale energy storage systems, with a similar “rocking chair” working principle to lithium due their earth abundance lower cost. One of the major challenges in NIB research is search suitable anode materials long lifetimes high specific capacities. The on KIBs still its infancy. Titanium‐based anodes present low lattice strain, safety, overall stability during cycling, which make them especially...

10.1002/aenm.201801888 article EN Advanced Energy Materials 2018-08-13

Quasi-freestanding silicene with massless Dirac fermion characteristics has been successfully obtained by oxygen intercalation.

10.1126/sciadv.1600067 article EN cc-by-nc Science Advances 2016-07-01

Gallium-based liquid metals show excellent thermal and electrical conductivities with low viscosity non-toxicity. Their melting points are either lower than or close to room temperature, which endows them additional advantages in comparison the solid metals; for example, they flexible, stretchable reformable at temperature. Recently, great improvements have been achieved developing multifunctional devices by using Ga-based metals, including actuators, flexible circuits, bio-devices...

10.1080/23746149.2018.1446359 article EN cc-by Advances in Physics X 2018-01-01

Electrical communication between a biological system and outside equipment allows one to monitor influence the state of tissue nervous networks. As bridge, bioelectrodes should possess both electrical conductivity adaptive mechanical properties matching target soft biosystem, but this is still big challenge. A family liquid-metal-based magnetoactive slurries (LMMSs) formed by dispersing magnetic iron particles in Ga-based liquid metal (LM) matrix reported here. The properties, viscosity,...

10.1002/adma.201802595 article EN Advanced Materials 2018-07-17
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