A5034342285- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Advanced Battery Technologies Research
- Extraction and Separation Processes
- Supercapacitor Materials and Fabrication
- Advanced battery technologies research
- Thermal Expansion and Ionic Conductivity
- Advancements in Solid Oxide Fuel Cells
- Electronic and Structural Properties of Oxides
- Fiber-reinforced polymer composites
- Transition Metal Oxide Nanomaterials
- Conducting polymers and applications
- Catalysis and Oxidation Reactions
- Magnetic and transport properties of perovskites and related materials
- Polyoxometalates: Synthesis and Applications
- Inorganic Chemistry and Materials
- Magnetic Properties and Synthesis of Ferrites
- Graphene research and applications
- Surface Chemistry and Catalysis
- Semiconductor materials and interfaces
- Chemical Synthesis and Characterization
- Dielectric properties of ceramics
- Glass properties and applications
- Catalysts for Methane Reforming
- Organic Light-Emitting Diodes Research
Xiamen University
2016-2025
Nanchang University
2025
Hubei University
2025
Ministry of Education
2025
Tan Kah Kee Innovation Laboratory
2024
Shanghai Liangyou (China)
2024
Xiamen University of Technology
2020
Collaborative Innovation Center of Chemistry for Energy Materials
2008-2017
National University of Singapore
2009-2011
Wuhan University
2010
In the past decades, research efforts on polyanion-type cathode materials by scientific community intensified significantly. This paper reviews latest advances in exploration and development of compounds as high performance for Li-ion batteries. It focuses synthesis, structure physicochemical (especially electrochemical) properties several classes polyanion compounds. The relationship between composition–structure–performance novel electrode is also summarized analyzed. main approaches,...
Garnet-type solid-state electrolytes (SSEs) are considered to be a good choice for batteries, yet the interfacial issues with metallic Li limit their applications. Herein, we propose an ultrasimple and effective strategy enhance connection between garnet SSEs metal just by drawing graphite-based soft interface pencil. Both experimental analysis theoretical calculations confirm that reaction layer lithium forms lithiated lithium-ionic electronic conductivity. Compared reported materials,...
P2-type sodium nickel manganese oxide-based cathode materials with higher energy densities are prime candidates for applications in rechargeable ion batteries. A systematic study combining situ high X-ray diffraction (HEXRD), ex absorption fine spectroscopy (XAFS), transmission electron microscopy (TEM), and solid-state nuclear magnetic resonance (SS-NMR) techniques was carried out to gain a deep insight into the structural evolution of P2–Na0.66Ni0.33–xZnxMn0.67O2 (x = 0, 0.07) during...
Abstract The electrochemo‐mechanical effects on the structural integrity of electrode materials during cycling is a non‐negligible factor that affects cyclability and rate performance all solid‐state batteries (ASSBs). Herein, combined with in situ electrochemical impedance spectroscopy (EIS), focused ion beam (FIB)–scanning electron microscope (SEM), solid state nuclear magnetic resonance (ssNMR) techniques, behavior are compared conventional polycrystalline NCM811 (LiNi 0.8 Co 0.1 Mn O 2...
Abstract The utilization of high‐voltage LiCoO 2 is imperative to break the bottleneck practical energy density lithium‐ion batteries. However, suffers from severe structural and interfacial degradation at > 4.55 V. Herein, a novel lattice‐matched LiCoPO 4 coating rationally designed for which works 4.6 V (vs Li/Li + ) or above. This coating, derived by an in situ chemical reaction, grows epitaxially on crystallite with strong bonding complete coverage , ensuring stable...
Abstract Given that the non‐aqueous electrolyte in Li‐ion battery plays a specific role as an ion‐transport medium and interfacial modifier for both cathode anode, understanding evaluating evolution degradation of electrolytes throughout life cycle is fundamental concern within lithium‐ion (LIB) community. This article provides comprehensive overview decomposition processes, mechanisms, effects on performance, characterization techniques, modeling analysis. First, it thoroughly discusses...
Properties of interphases formed between the cathode and sulfide solid electrolyte interfacial failure mechanisms.
Abstract All‐solid‐state Li–S batteries (ASSLSBs) have exhibited great promise as next‐generation energy storage systems due to the elimination of shuttle effect and flammability. However, low reactivity sulfur poor solid–solid contact in composite cathode result limited electrochemical performances. Here, a Co‐N 4 ‐decorated carbon is prepared by direct ball milling serves host for ASSLSBs. The uniform distribution can effectively accelerate redox conversion inhibit agglomeration particles...
Abstract All solid‐state lithium–sulfur batteries (ASSLSBs) have attracted significant attention due to their enhanced safety and superior energy density. However, the considerable volume change during cycling poses a challenge, resulting in electrochemical‐mechanical degradation. To address this issue, polypyrrole (PPy) is coated on nitrogen‐doped carbon nanotube (NCNT) network exhibit suitable conductivity compatibility with sulfide electrolyte. Functionally, PPy@NCNT provides continuous...
Abstract All‐solid‐state lithium–sulfur batteries (ASSLSBs) are expected to be the next generation of high‐energy battery systems due their long lifespan and high safety. However, unstable interfaces between elemental sulfur, conductive carbon, solid electrolytes lead slow charge transport mechanical failures, thereby limiting performance. Herein, atomic layer deposition‐derived lithium phosphorus oxide is applied surface carbon/sulfur particles enhance interfacial stability sulfur cathode...
Abstract Quantifying the aging mechanisms and their evolution patterns during battery is crucial for enabling renewable energy. Here, key factors are monitored quantified affecting processes of LiFePO 4 //graphite by a combination mass spectrometry titration (MST), nuclear magnetic resonance (NMR), cryogenic transmission electron microscopy (cryo‐TEM), neutron imaging techniques. Electrochemical analysis reveals loss active lithium inventory drives as temperature increases. It shown that...
Abstract Silicon-based all-solid-state batteries offer high energy density and safety but face significant application challenges due to the requirement of external pressure. In this study, a Li 21 Si 5 /Si–Li double-layered anode is developed for operating free from Under cold-pressed sintering alloys, forms top layer (Li layer) with mixed ionic/electronic conduction bottom (Si–Li containing three-dimensional continuous conductive network. The resultant uniform electric field at anode|SSE...
Lithium nickel oxide, a potential candidate for cathode material lithium-ion batteries, showed distinct deterioration after storage in air time. The origin of this was explored by investigating surface structure, species, and ionic oxidation state fresh stored materials. Rietveld analysis X-ray diffraction patterns not only the formation on surface, but also weakening ordered layered structure photoelectron spectroscopy revealed that transforms to active oxygen species exist Temperature...
The development of highly reversible multielectron reaction per redox center in sodium super ionic conductor-structured cathode materials is desired to improve the energy density sodium-ion batteries. Here, we investigated more than one-electron storage Na Na3VCr(PO4)3. Combining a series advanced characterization techniques such as ex situ 51V solid-state nuclear magnetic resonance, X-ray absorption near-edge structure, and diffraction, reveal that V3+/V4+ V4+/V5+ couples can be accessed,...
A carbon-coated material with uniform nanoparticles (approximately in diameter) is synthesized by a synthesis route, i.e., hydrothermal-assisted sol-gel process. As an electrode for rechargeable lithium batteries, the sample shows high rate capability and excellent capacity retention. The delivers discharge of at C/16 rate, corresponding to 96% theoretical value. about 91 can be obtained 5 respectively. No loss observed up 50 cycles.
Composite polymer electrolyte membranes are fabricated by the incorporation of Li10SnP2S12 into poly(ethylene oxide) (PEO) matrix using a solution-casting method. The plays positive role on Li-ionic conductivity, mechanical property, and interfacial stability composite thus significantly enhances electrochemical performance solid-state Li-S battery. optimal PEO-1%Li10SnP2S12 presents maximum ionic conductivity 1.69 × 10-4 S cm-1 at 50 °C highest strength. possible mechanism for enhanced...
This work investigates the mechanism of polarization increase upon cycling and explores causes Al-doping restraining increase.
In this work, we propose a novel and facile route for the rational design of Si@SiO2/C anode materials by using sustainable environment-friendly cellulose as carbon resource. To simultaneously obtain SiO2 layer scaffold, specially designed homogeneous solution commercial Si nanopowder are used starting materials, cellulose/Si composite is directly assembled an in situ regenerating method. Subsequently, obtained after carbonization. As expected, Si@SiO2 homogeneously encapsulated...
All-solid-state lithium–sulfur batteries (ASSLSBs) have attracted great attention due to their inherent ability eliminate the two critical issues (polysulfide shuttle effect and safety) of traditional liquid electrolyte based Li–S batteries. However, it remains a huge challenge for ASSLSBs achieve high areal active mass loading material utilization simultaneously insulating nature sulfur Li2S, large volume change during cycling. Herein, Li2S@C nanocomposite with Li2S nanocrystals uniformly...
Li-substitution can improve the structural stability by forming an intermediate O′3 phase that ease destructive O3–P3 direct transition.
A new cubic polymorph of sodium iron silicate, Na2FeSiO4, is reported for the first time as a cathode material Na-ion batteries. It adopts an unprecedented rigid tetrahedral open framework structure, i.e., F4̅3m, leading to polyanion without apparent cell volume change during charge/discharge processes. This shows reversible capacity 106 mAh g–1 and retention 96% at 5 mA after 20 cycles.
Abstract The nucleation and growth of Li metal during deposition the associated dendrite penetration are critical fundamental issues influencing safety power density solid‐state lithium batteries (SSLBs). However, investigations on deposition/dissolution especially formation dendrites their determining factors in all‐solid‐state electrochemical systems still lacking. In this work, situ observations process, defects induced heterogeneous under cathodic load, reported. By exploiting scanning...
Abstract The surface chemistry of garnet electrolyte is sensitive to air exposure. poor LLZO/Li interface caused by Li 2 CO 3 /LiOH contaminants on easily induces large interfacial resistance resulting in the growth dendrites. Herein, a versatile modification strategy designed convert 6.4 La Zr 1.4 Ta 0.6 O 12 (LLZTO) into LiF and PO F‐rich lithiophilic targeted chemical reactions at between LiPO F /LiOH. newly formed LiF‐Li layer not only facilitates wettability LLZTO, but also helps resist...
Highly reversible oxygen redox chemistry of Li 2 RuO 3 enabled by a stabilizing electrode–electrolyte interphase with sulfide solid electrolyte.