A5068901767- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Supercapacitor Materials and Fabrication
- Advanced battery technologies research
- Graphene research and applications
- Advanced Battery Technologies Research
- ZnO doping and properties
- Advanced Memory and Neural Computing
- Advanced biosensing and bioanalysis techniques
- Electronic and Structural Properties of Oxides
- Transition Metal Oxide Nanomaterials
- MXene and MAX Phase Materials
- Extraction and Separation Processes
- Electrocatalysts for Energy Conversion
- Advanced Photocatalysis Techniques
- Semiconductor materials and interfaces
- Nanomaterials for catalytic reactions
- 2D Materials and Applications
- Ammonia Synthesis and Nitrogen Reduction
- Seismic Waves and Analysis
- Thermal properties of materials
- Hydrogen Storage and Materials
- Thermal Expansion and Ionic Conductivity
- Ga2O3 and related materials
- Copper-based nanomaterials and applications
Huazhong University of Science and Technology
2018-2025
Karlsruhe Institute of Technology
2020-2024
Helmholtz-Institute Ulm
2023
Southwest University of Science and Technology
2023
Yanshan University
2023
China University of Petroleum, Beijing
2016-2022
Wuhan National Laboratory for Optoelectronics
2022
Abstract Mn‐based hexacyanoferrate (Mn‐HCF) cathodes for Na‐ion batteries usually suffer from poor reversibility and capacity decay resulting unfavorable phase transitions structural degradation during cycling. To address this issue, the high‐entropy concept is here applied to Mn‐HCF materials, significantly improving sodium storage capabilities of system via a solid‐solution mechanism with minor crystallographic changes upon de‐/sodiation. Complementary structural, electrochemical,...
Abstract Improving the interfacial stability between cathode active material (CAM) and solid electrolyte (SE) is a vital step toward development of high‐performance solid‐state batteries (SSBs). One challenges plaguing this field an economical scalable approach to fabricate high‐quality protective coatings on CAM particles. A new wet‐coating strategy based preformed nanoparticles presented herein. Nonagglomerated coating ( ≤ 5 nm, exemplified for ZrO 2 ) are prepared by solvothermal...
Abstract The development of competitive rechargeable Mg batteries is hindered by the poor mobility divalent ions in cathode host materials. In this work, we explore dual cation co-intercalation strategy to mitigate sluggishness 2+ model TiS 2 material. involves pairing with Li + or Na dual-salt electrolytes order exploit faster latter aim reach better electrochemical performance. A combination experiments and theoretical calculations details charge storage redox mechanism co-intercalating...
The synergistic engineering of chemical complexity and crystal structures has been applied to Prussian blue analogue (PBA) cathodes in this work. More precisely, the high-entropy concept successfully introduced into two structure types identical composition, namely, cubic monoclinic. Through utilization a variety complementary characterization techniques, comprehensive investigation electrochemical behavior monoclinic PBAs conducted, providing nuanced insights. implementation exhibits...
Noble-metal-free catalytic hydrogenation of nitroarenes is achieved through the rational design atomically dispersed Ni sites on N-doped porous carbon. The outstanding activity catalyst originates from atomic dispersion active with a high Ni–N<sub>3</sub> content.
The development of silicon-based anode materials is important for improving the energy density current lithium ion batteries. However, there are still strong demands these with better cycle stability and higher reversible capacity. Here, a kind dual bond restricted MXene-Si-CNT composite enhanced electrochemical performance reported. These bonds have been clearly revealed by an X-ray photoelectron spectroscopy technique also proven theoretical calculations spontaneous reaction values (-0.190...
Achieving compatibility between cell components is one of the major challenges for widespread adoption bulk-type solid-state batteries. In particular, superionic lithium thiophosphate solid electrolytes suffer from oxidation at high voltages when interfaced with state-of-the-art cathode materials. Here, we report on atomic layer deposition (ALD) conformal HfO2 nanocoatings onto LiNi0.85Co0.10Mn0.05O2 (NCM-851005) material. Based electrochemical testing in high-loading (pellet-stack) battery...
Abstract The high‐entropy approach is applied to monoclinic Prussian White (PW) Na‐ion cathodes address the issue of unfavorable multilevel phase transitions upon electrochemical cycling, leading poor stability and capacity decay. A series Mn‐based samples with up six metal species sharing N‐coordinated positions was synthesized. material composition Na 1.65 Mn 0.4 Fe 0.12 Ni Cu Co Cd [Fe(CN) 6 ] 0.92 □ 0.08 ⋅ 1.09H 2 O found exhibit superior cyclability over medium/low‐entropy conventional...
Akin to Li, Na deposits in a dendritic form cause short circuit metal batteries. However, the growth mechanisms and related mechanical properties of dendrites remain largely unknown. Here we report real-time characterizations dendrite with concurrent property measurements using an environmental transmission electron microscopy–atomic force microscopy (ETEM-AFM) platform. In situ electrochemical plating produces stabilized thin Na2CO3 surface layer (referred as dendrites). These have...
Abstract One of the major challenges facing application layered LiNiO 2 (LNO) cathode materials is oxygen release upon electrochemical cycling. Here it shown that tailoring provided lithium content during synthesis process can create a disordered Li 1‐ x Ni 1+ O phase at primary particle surface. The surface, which serves as self‐protective layer to alleviate loss, possesses same rhombohedral structure ( R m ) inner core particles ≈ 0). With advanced synchrotron‐based x‐ray 3D imaging and...
Abstract Printed electronics including large‐area sensing, wearables, and bioelectronic systems are often limited to simple circuits hence it remains a major challenge efficiently store data perform computational tasks. Memristors can be considered as ideal candidates for both purposes. Herein, an inkjet‐printed memristor is demonstrated, which serve digital information storage device, or artificial synapse neuromorphic circuits. This achieved by suitable manipulation of the ion species in...
Solid-state batteries (SSBs) are a promising next-generation energy-storage solution to complement or replace current battery technologies in the wave of automotive electrification. Especially SSBs using sulfide solid electrolytes (SEs) hold great potential; however, (electro)chemical instability when contact with layered oxide cathode active materials (CAMs) remains an obstacle further implementation. SE degradation occurring during cycling adversely affects ion/electron transport and may...
Boron nitride nanosheets (BNNS) hold the similar two-dimensional structure as graphene and unique properties complementary to graphene, which makes it attractive in application ranging from electronics energy storage. The exfoliation of boron (BN) still remains challenge hinders applications BNNS. In this work, preparation BNNS has been realized by a shear-assisted supercritical CO2 process, during intercalates diffuses between layers, then BN layers is obtained rapid depressurization...
In nonaqueous Mg batteries, inactive adsorbed species and the passivation layer formed from reactive with impurities in electrolyte seriously affect metal/electrolyte interface. These adlayers can impede passage of Mg2+ ions, leading to a high plating/stripping overpotential. Herein, we report properties new additive, bismuth triflate (Bi(OTf)3), for synthesizing chlorine-free enhance initial cycles. The beneficial effect Bi(OTf)3 be ascribed Bi/Mg3Bi2 situ on metal surface, which increases...
Bulk-type solid-state batteries (SSBs) composed of lithium thiophosphate superionic solid electrolytes (SEs) and high-capacity cathode active materials (CAMs) have recently attracted much attention for their potential application in next-generation electrochemical energy storage. However, compatibility issues between the key components this kind battery system are difficult to overcome. Here, we report on a protective coating that strongly reduces prevalence detrimental side reactions CAM SE...
Memristors are an interesting novel class of devices for memory and beyond von Neumann computing. Besides classical CMOS technology, memristors can also be manufactured by additive printing techniques hold great potential printable neuromorphic circuits memories. In this work, we report a fully inkjet-printed unipolar metal oxide memristor with low forming voltage. The is based on sandwich-like Ag/ZnO/Ag structure. device exhibits excellent performance parameters, such as high cycle-to-cycle...
Solid-state batteries (SSBs) utilizing superionic thiophosphate solid electrolytes (SEs), such as argyrodite Li6PS5Cl, are attracting great interest a potential solution for safe, high-energy-density electrochemical energy storage. However, the development of high-capacity cathodes remains major challenge. Herein, we present an effective design strategy to improve cyclability layered Co-free oxide cathode active material (CAM) LiNiO2, consisting surface modification and electrode...