Junyang Wang

ORCID: 0000-0001-6025-5986
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About
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Research Areas
  • Advancements in Battery Materials
  • Advanced Battery Materials and Technologies
  • Advanced Battery Technologies Research
  • Spectroscopy and Laser Applications
  • Atmospheric Ozone and Climate
  • Advanced materials and composites
  • Traffic Prediction and Management Techniques
  • Traffic control and management
  • Supercapacitor Materials and Fabrication
  • Gas Sensing Nanomaterials and Sensors
  • High Entropy Alloys Studies
  • ZnO doping and properties
  • Transportation Planning and Optimization
  • Metal and Thin Film Mechanics
  • Analytical Chemistry and Sensors
  • Metal Alloys Wear and Properties
  • Nanoplatforms for cancer theranostics
  • Advanced Fiber Laser Technologies
  • GaN-based semiconductor devices and materials
  • Advanced battery technologies research
  • Ga2O3 and related materials
  • High-Temperature Coating Behaviors
  • Electrocatalysts for Energy Conversion
  • Nanowire Synthesis and Applications
  • Recycled Aggregate Concrete Performance

Tianjin Medical University
2025

Tianjin University
2025

Institute of Physics
2004-2024

Chinese Academy of Sciences
2010-2024

University of Science and Technology of China
2008-2024

Lanzhou Institute of Chemical Physics
2021-2024

University of Chinese Academy of Sciences
2018-2024

Sichuan University
2023-2024

Dalian Jiaotong University
2024

Jinzhou Medical University
2024

Abstract The development of high‐voltage LiCoO 2 is essential for achieving lithium‐ion batteries with high volumetric energy density, however, it faces a great deal challenges owing to the materials, structure and interfacial instability issues. In this work, strategy developed, through heat annealing precoated surface layer in situ form high‐voltage‐stable coating layer, which demonstrated be highly effective improve performance . It discovered that reacts Li 1.5 Al 0.5 Ti (PO 4 ) 3 (LATP)...

10.1002/aenm.202001413 article EN Advanced Energy Materials 2020-06-15

Abstract Oxygen‐redox of layer‐structured metal‐oxide cathodes has drawn great attention as an effective approach to break through the bottleneck their capacity limit. However, reversible oxygen‐redox can only be obtained in high‐voltage region (usually over 3.5 V) current cathodes. Here, we realize a wide voltage range 1.5–4.5 V P2‐layered Na 0.7 Mg 0.2 [Fe Mn 0.6 □ ]O 2 cathode material, where intrinsic vacancies are located transition‐metal (TM) sites and Mg‐ions sites. layer serve...

10.1002/adma.202008194 article EN Advanced Materials 2021-03-01

Large language models (LLMs) have demonstrated impressive zero-shot abilities on a variety of open-ended tasks, while recent research has also explored the use LLMs for multi-modal generation. In this study, we introduce mPLUG-Owl, novel training paradigm that equips with through modularized learning foundation LLM, visual knowledge module, and abstractor module. This approach can support multiple modalities facilitate diverse unimodal multimodal modality collaboration. The mPLUG-Owl...

10.48550/arxiv.2304.14178 preprint EN cc-by arXiv (Cornell University) 2023-01-01

The pursuit of high-energy-density lithium-ion batteries (LIBs) hinges upon the relentless development advanced cathode materials. inherent high operating voltage renders oxide cathodes most favored option for this objective. Even with exceptional capacity ∼300 mAh/g exhibited by lithium-rich manganese cathodes, cell-level energy density at present remains constrained 400 Wh/kg. Consequently, a transformative breakthrough is urgently needed to revolutionize materials ultrahigh (>300 mAh/g)...

10.1021/acsenergylett.3c00563 article EN ACS Energy Letters 2023-06-16

Dendrite growth is one of the major problems that hinder practical application lithium metal electrodes in rechargeable batteries. Herein, we report thin-film Cu3N coating can greatly suppress dendrite on Cu current collector. Li|Cu and LiFePO4|Cu cells using Cu3N-modified foil as electrode exhibit improved cyclic stability low charge–discharge overpotential. A multifaceted investigation demonstrates convert to Li3N/Cu nanocomposite after initial plating, forming situ a highly homogeneous...

10.1021/acsenergylett.8b01244 article EN ACS Energy Letters 2018-08-28

Lattice-oxygen redox (l-OR) has become an essential companion to the traditional transition-metal (TM) charge compensation achieve high capacity in Li-rich cathode oxides. However, understanding of l-OR chemistry remains elusive, and a critical question is structural effect on stability reactions. Herein, coupling between structure dimensionality studied. We reveal that evolution oxygen-lattice upon TM oxides which have three-dimensional (3D)-disordered cation framework relatively stable,...

10.1002/anie.201900444 article EN Angewandte Chemie International Edition 2019-02-02

A single-crystalline Ni-rich (SCNR) cathode with a large particle size can achieve higher energy density, and is safer, than polycrystalline counterparts. However, synthesizing SCNR cathodes (>5 μm) without compromising electrochemical performance very challenging due to the incompatibility between high temperature calcination. Herein, we introduce Vegard's Slope as guide for rationally selecting sintering aids, successfully synthesize size-controlled cathodes, largest of which be up 10 μm....

10.1093/nsr/nwac226 article EN cc-by National Science Review 2022-10-19

Battery safety concerns are becoming more and prominent with the increasing demands of lithium-ion batteries (LIBs) higher energy density. The greatest threat to battery derives from easy release oxygen high-capacity layered oxide cathodes at highly delithiated states subsequent exothermic reactions reductive agents in batteries. Herein, it is demonstrated that solid electrolyte Li6.5 La3 Zr1.5 Ta0.5 O12 (LLZTO) can supply lithium ions re-lithiate charged LiCoO2 elevated temperatures. Such a...

10.1002/adma.202200655 article EN Advanced Materials 2022-03-17

The ever-growing demand for portable electronic devices has put forward higher requirements on the energy density of layered LiCoO2 (LCO). unstable surface structure and side reactions with electrolytes at high voltages (>4.5 V) however hinder its practical applications. Here, considering high-voltage stability three-dimensional lithium-ion transport channel Li-containing spinel (M = Ni Co) LiMxMn2-xO4, we design a conformal integral LiNixCoyMn2-x-yO4 coating LCO via sol-gel method. accurate...

10.1021/acsami.2c21006 article EN ACS Applied Materials & Interfaces 2023-01-23

Cation-disordered rock-salt (DRX) materials receive intensive attention as a new class of cathode candidates for high-capacity lithium-ion batteries (LIBs). Unlike traditional layered materials, DRX have three-dimensional (3D) percolation network Li+ transportation. The disordered structure poses grand challenge to thorough understanding the due its multiscale complexity. In this work, we introduce large supercell modeling material Li1.16Ti0.37Ni0.37Nb0.10O2 (LTNNO) via reverse Monte Carlo...

10.1021/jacs.3c02041 article EN Journal of the American Chemical Society 2023-05-17

Triple-negative breast cancer (TNBC) tumors are heterogeneous, with mesenchymal-like cells at their core and fast proliferating on the periphery. It is desirable beneficial to treat TNBC of different phenotypes most appropriate drugs. Here, we report a 78 nm, chlorin e6-, docetaxel-, anti-Twist siRNA-containing polymeric nanoparticle (CDTN) spatiotemporally specific activity when irradiated by light. Under conditions mimicking superficial tumor tissue sufficient light input, mainly killed...

10.1021/acsnano.7b09210 article EN ACS Nano 2018-02-20

The long progression-free survival (PFS) of patients with inoperable hepatocellular carcinoma (HCC) tumors is an unmet clinical need. Imaging-guided in situ ablation and vaccination nanoplatforms could be a promising way to achieve durable disease control PFS. In the present work, we show that biomimetic nanoplatform, namely, synthetic high-density lipoprotein (sHDL), can transport photothermal agent DiR other drugs preferentially into cytosol HCC cells, enabling imaging-guided combination...

10.1021/acs.nanolett.9b01717 article EN Nano Letters 2019-07-30

Rechargeable battery technologies have revolutionized electronics, transportation and grid energy storage. Many materials are being researched for applications, with layered transition metal oxides (LTMO) the dominating cathode candidate remarkable electrochemical performance. Yet, daunting challenges persist in quest further developments targeting lower cost, longer lifespan, improved density enhanced safety. This is, part, because of intrinsic complexity real-world batteries, featuring...

10.1093/nsr/nwab146 article EN cc-by National Science Review 2021-08-15

The localized overheating of high-power and miniaturized electronic devices puts a pressing demand for developing organic phase change composites with rapid uniform heat conduction. Herein, we constructed bidirectionally oriented interconnected boron nitride nanosheet (BNNS) network to obtain highly uniformly thermal conductive composites. edge-center temperature gradient generated during freezing via radial ice-template strategy actuated the BNNSs radially align. simultaneously appearing...

10.1021/acs.iecr.4c00535 article EN Industrial & Engineering Chemistry Research 2024-05-14

Charge compensation on anionic redox reaction (ARR) has been promising to realize extra capacity beyond transition metal in battery cathodes. The practical development of ARR hindered by high-valence oxygen instability, particularly at cathode surfaces. However, the direct probe surface behavior challenging. Here, electronic states are investigated combining mapping resonant Auger spectroscopy (mRAS) and ambient pressure X-ray photoelectron (APXPS) a model LiCoO2 cathode. mRAS verified that...

10.1002/anie.202215131 article EN Angewandte Chemie International Edition 2022-12-06

Large Vision-Language Models (LVLMs) have recently achieved remarkable success. However, LVLMs are still plagued by the hallucination problem, which limits practicality in many scenarios. Hallucination refers to information of LVLMs' responses that does not exist visual input, poses potential risks substantial consequences. There has been limited work studying evaluation LVLMs. In this paper, we propose Evaluation based on Language (HaELM), an LLM-based framework. HaELM achieves approximate...

10.48550/arxiv.2308.15126 preprint EN other-oa arXiv (Cornell University) 2023-01-01

Abstract Li‐rich cation‐disordered rock‐salt (DRX) materials have emerged as promising candidates for high‐capacity oxide cathodes. Their fluorinated variants shown improved cycling stability with effectively suppressed oxygen loss. However, a comprehensive understanding of how fluorination impacts the multiscale structure and lithium transportation in DRX remains elusive experiments. Herein, neutron total scattering technique conjunction advanced reverse Monte Carlo (RMC) fitting method is...

10.1002/aenm.202301636 article EN Advanced Energy Materials 2023-11-01
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