A5083985134- Chemical Thermodynamics and Molecular Structure
- Advanced Battery Materials and Technologies
- Advancements in Battery Materials
- Thermal and Kinetic Analysis
- Advanced Battery Technologies Research
- Crystallization and Solubility Studies
- Thermodynamic properties of mixtures
- Chemical and Physical Properties in Aqueous Solutions
- thermodynamics and calorimetric analyses
- Organic Electronics and Photovoltaics
- Advanced Sensor and Energy Harvesting Materials
- Lanthanide and Transition Metal Complexes
- Phase Equilibria and Thermodynamics
- Ionic liquids properties and applications
- X-ray Diffraction in Crystallography
- Analytical Chemistry and Chromatography
- Advanced Computational Techniques and Applications
- Electrical Fault Detection and Protection
- Energetic Materials and Combustion
- Free Radicals and Antioxidants
- Nanowire Synthesis and Applications
- Chinese history and philosophy
- Vacuum and Plasma Arcs
- Conducting polymers and applications
- Graphene research and applications
Chinese Academy of Sciences
2008-2025
University of Science and Technology of China
2020-2025
Dalian University of Technology
2009-2024
Yinchuan First People's Hospital
2024
Huazhong University of Science and Technology
2016-2023
University of Mannheim
2022
Changchun Institute of Applied Chemistry
2017-2019
Wuyi University
2018
Sichuan University
2017
Boston University
2016
Solid polymer electrolytes (SPEs) would be promising candidates for application in high-energy rechargeable lithium (Li) batteries to replace the conventional organic liquid electrolytes, terms of enhanced safety and excellent design flexibility. Herein, we first report novel perfluorinated sulfonimide salt-based SPEs, composed (trifluoromethanesulfonyl)(n-nonafluorobutanesulfonyl)imide (Li[(CF3SO2)(n-C4F9SO2)N], LiTNFSI) poly(ethylene oxide) (PEO), which exhibit relatively efficient ionic...
Abstract Originating from “rocking‐chair concept”, lithium‐ion batteries (LIBs) have become one of the most important electrochemical energy storage technologies, which largely impacted our daily life. The utilization electrolyte additives in small quantities (≤5% by wt or vol) has been long viewed as an economical and efficient approach to regulate properties electrode–electrolyte interphases consequently improve cycling performance LIBs. Among all kinds additives, sulfur‐containing...
Abstract The safety hazards and cycle instability of lithium metal anodes (LMA) constitute significant barriers to progress in batteries. This situation is worse Li–O 2 batteries because the LMA prone be chemically attacked by O shuttled from cathode. Notwithstanding, efforts on are much sparse than those cathode realm Here, a novel salt Li[(CF 3 SO )( n ‐C 4 F 9 )N] (LiTNFSI) reported, which can effectively suppress parasitic side reactions dendrite growth during cycling thereby...
The low Coulombic efficiency and hazardous dendrite growth hinder the adoption of lithium anode in high-energy density batteries. Herein, we report a metal–carbon nanotube (Li–CNT) composite as an alternative to long-term untamed electrode address critical issues associated with Li–O2 batteries, where metal is impregnated porous carbon microsphere matrix (CNTm) surface-passivated self-assembled monolayer octadecylphosphonic acid tailor-designed solid electrolyte interphase (SEI). high...
Abstract Graphene shows great potential for flexible optoelectronic devices owing to its unique 2D structure and excellent electronic, optical, mechanical properties. Chemical vapor deposition (CVD) is the most promising method fabricating large‐area high‐quality graphene films at an acceptable cost; therefore enormous efforts have been attempted investigate based on CVD‐grown graphene. Here, recent advances significant development of towards optoelectronics including photodetectors, organic...
Abstract Solid polymer electrolytes (SPEs) possess several merits including no leakage, ease in process, and suppressing lithium dendrites growth. These features are beneficial for improving the cycle life safety performance of rechargeable metal batteries (LMBs), as compared to conventional non-aqueous liquid electrolytes. Particularly, superior elasticity polymeric material enables employment SPEs building ultra-thin flexible batteries, which could further expand application scenarios...
Abstract Rechargeable lithium metal polymer batteries (LMPBs) utilizing solid electrolytes (SPEs) have gained increasing attention during the past five decades, owing to superior flexibility, good process‐ability, and no‐leakage of SPEs versus traditional non‐aqueous liquid inorganic electrolytes. Undoubtedly, among all SPE components, salt anions a significant impact on overall performances LMPBs. Yet, bis(trifluoromethanesulfonyl)imide, being commonly applied in prevailing shows relatively...
Machine learning is the core of artificial intelligence. Using optical signals for training and converting them into electrical inference, combines strengths both, thus can greatly improve machine efficiency. Optoelectronic memories are hardware foundation this strategy. However, existing optoelectronic cannot modulate a large number non-volatile resistive states using ultra-short ultra-dim light pulses, leading to low accuracy, slow computing speed high energy consumption. Here, we...
With the great progress being made in development of cathodes advanced lithium-sulfur (Li-S) batteries, cycling stability Li-metal anode has become an extremely urgent challenge presently. Herein, we report a new sulfonimide salt, namely lithium (trifluoromethanesulfonyl)(n-nonafluorobutanesulfonyl)imide (LiTNFSI), which can not only afford excellent and C-rate performances Li-S but also deliver superior comparable efficiency for anode, compared with conventional used LiTFSI...
Two ionic liquids, 1-ethylpyridinium bromide (EPBr) and 1-propylpyridinium (PPBr), were prepared the structures characterized by 1H NMR. The thermodynamic properties of EPBr PPBr studied with adiabatic calorimetry (AC) thermogravimatric analysis (TG-DTG). heat capacity was precisely measured in temperature range from 78 to 410 K means a fully automated calorimeter. For EPBr, melting temperature, enthalpy, entropy solid-liquid phase transition determined be 391.31 +/- 0.28 K, 12.77 0.09 kJ x...
Fundamental questions concerning the reaction interface in Li–O2 batteries, including where reactions occur and discharge–charge asymmetries come from, have stimulated a flurry of investigations; nevertheless, heated debates still prevail. Dynamic electrochemical impedance spectroscopy (EIS) is employed here to probe battery under potentiostatic galvanostatic modes. Two semicircles are identified during discharge with high- low-frequency ones related Li2O2 film oxygen reduction (ORR),...
Abstract There is a growing concern about the cyclability and safety, in particular, of high‐energy density lithium–metal batteries. This even greater for Li–O 2 batteries because O that transported from cathode to anode compartment, can exacerbate side reactions dendrite growth lithium metal anode. The key solving this dilemma lays tailoring solid electrolyte interphase (SEI) formed on Here it reported new electrolyte, LiFSI as salt mixture tetraethylene glycol dimethyl ether polymeric...
Li2O2 is revealed to play a positive role by facilitating the kinetics of oxygen reduction reaction in aprotic Li-O2 batteries, addition well-known negative passivating electrode surface. Moreover, it inferred that takes place at Li2O2/electrolyte interface, rather than electrode/Li2O2 our cell.
Activity coefficients at infinite dilution of some common solvents in a protic ionic liquid ethylammonium nitrate have been measured using well established gas-chromatography-method. This method was possible to apply due extremely low vapour pressure temperatures below 100 °C. and separation factors were compared with those for aprotic liquids. A new window intensive accumulation thermodynamic properties liquids has opened.
An ionic liquid ether double-solvent electrolyte, comprising 1 M Li[(CF3SO2)(n-C4F9SO2)N] dissolved in N-propyl-N-methylpiperidinium bis(fluorosulfonyl)imide/1,3-dioxolane (1:1, v/v), is utilized to tackle uncontrollable dendrite growth and unsatisfactory Coulombic efficiency, which are two main barriers for commercial adoption of rechargeable lithium metal batteries. X-ray photoelectron spectroscopy analysis reveals that a highly conductive (Li3N), flexible (polydioxolane F-containing...
Abstract Integrating a graphene transparent electrode (TE) matrix with driving circuits is essential for the practical use of in optoelectronics such as active‐matrix organic light‐emitting diode (OLED) display, however it disabled by transport carriers between pixels after deposition semiconductor functional layer caused atomic thickness graphene. Here, carrier regulation TE using an insulating polyethyleneimine (PEIE) reported. The PEIE forms ultrathin uniform film (≤10 nm) to fill gap...
The low-temperature heat capacity Cp,m of d-mannitol was measured in the temperature range from (80 to 390) K by means a fully automated adiabatic calorimeter. dependence on fitted polynomial equation with least-squares method. thermodynamic functions (HT − H298.15 K) and (ST S298.15 were derived data an interval 5 K. melting temperature, molar enthalpy, entropy fusion determined be (437.25 ± 0.12) K, (54.69 1.64) kJ·mol−1, (125.08 3.75) J·K−1·mol−1 DSC measurements. thermal stability...