A5082864238- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Advanced Battery Materials and Technologies
- Advanced Battery Technologies Research
- Advancements in Battery Materials
- Metal-Organic Frameworks: Synthesis and Applications
- Organic and Molecular Conductors Research
- Fuel Cells and Related Materials
- Cloud Computing and Resource Management
- Quantum and electron transport phenomena
- Advancements in Semiconductor Devices and Circuit Design
- Crystallography and molecular interactions
- Sentiment Analysis and Opinion Mining
- Optimization and Mathematical Programming
- Vehicle Routing Optimization Methods
- Distributed and Parallel Computing Systems
- Online Learning and Analytics
- Blockchain Technology Applications and Security
- Polyoxometalates: Synthesis and Applications
- Neural Networks and Reservoir Computing
- HIV-related health complications and treatments
- Covalent Organic Framework Applications
- Educational Technology and Pedagogy
- Semiconductor materials and devices
- 2D Materials and Applications
Beijing University of Chemical Technology
2021-2024
South China University of Technology
2024
Peking University
2022-2024
Beijing Technology and Business University
2024
Hezhou University
2013-2023
Xi'an Jiaotong University
2023
Zhengzhou University
2018-2022
Jiangxi University of Finance and Economics
2020
Abstract The application of solid polymer electrolytes (SPEs) in all‐solid‐state(ASS) batteries is hindered by lower Li + ‐conductivity and narrower electrochemical window. Here, three families ester‐based F‐modified SPEs poly‐carbonate (PCE), poly‐oxalate (POE) poly‐malonate (PME) were investigated. these prepared from pentanediol are all higher than the counterparts made butanediol, owing to enhanced asymmetry flexibility. Because stronger chelating coordination with , PME POE around 10 5...
Abstract Trace N, N‐dimethylformamide(DMF) containing composite polymer electrolytes (CPEs) has attracted much attention owing to the dramatically increased Li + ‐conductivity. But amount of DMF is critical and needs be clarified for interfacial stability, since easily reduced by Li‐metal. Herein, influences in poly(ethylene oxide) (PEO) poly(vinylidene fluoride) (PVDF) based CPEs are studied on ‐conductivity stability. In PEO‐based CPEs, a stronger interaction lithium...
Solid polymer electrolytes (SPEs) are one of the most practical candidates for solid-state batteries owing to their high flexibility and low production cost, but application is limited by Li+ conductivity a narrow electrochemical window. To improve performance, it necessary reveal structure–property relationship SPEs. Here, 23 fluorinated linear polyesters were prepared editing coordination units, flexible linkage segments, interface passivating groups. Besides traditionally demonstrated...
Abstract The relatively narrow electrochemical steady window and low ionic conductivity are two critical challenges for Li + ‐conducting solid polymer electrolytes (SPE). Here, a family of poly‐oxalate(POE) structures were prepared as SPE; among them, POEs composed from diols with an odd number carbons show higher than those even carbons, the POE propanediol (C5‐POE) has highest conductivity. HOMO (highest occupied molecular orbital) electrons found located on terminal units. When using...
The critical challenges for lithium-ion batteries today are how to improve the energy densities and solve safety issues, which can be addressed through construction of solid-state lithium metal with solid polymer electrolytes (SPEs). Significant efforts have been devoted design synthesis SPEs, in their electrochemical windows corresponding compatibilities both electrodes crucial, particularly when taking high-voltage transition oxides as cathodes. In this review, SPEs different summarized...
There is great interest in the promising applications of proton-conductive metal–organic frameworks (MOFs) field electrochemistry. Thus, seeking more types MOFs with high proton conductivity importance. Herein, we designed and prepared two substituted imidazoledicarboxylate-based MOFs, {[Cd(p-TIPhH2IDC)2]·H2O}n [1; p-TIPhH3IDC = 2-p-(1H-1,2,4-triazolyl)phenyl-1H-4,5-imidazoledicarboxylic acid] [Sr(DMPhH2IDC)2]n [2; DMPhH3IDC 2-(3,4-dimethylphenyl)-1H-imidazole-4,5-dicarboxylic acid], fully...
A luminescent metal–organic framework, [Cd(HDMPhIDC)(H<sub>2</sub>O)]<sub>n</sub> (<bold>1</bold>), has been successfully synthesized and structurally characterized. MOF <bold>1</bold> exhibits good recognition performance for Fe<sup>3+</sup> ions. The mechanism of was explored by UV-Vis PXRD determinations. found to have a high proton conductivity value 1.30 × 10<sup>−4</sup> S cm<sup>−1</sup> at 100 °C 98% RH.
Abstract The application of solid polymer electrolytes (SPEs) in all‐solid‐state(ASS) batteries is hindered by lower Li + ‐conductivity and narrower electrochemical window. Here, three families ester‐based F‐modified SPEs poly‐carbonate (PCE), poly‐oxalate (POE) poly‐malonate (PME) were investigated. these prepared from pentanediol are all higher than the counterparts made butanediol, owing to enhanced asymmetry flexibility. Because stronger chelating coordination with , PME POE around 10 5...
Two lanthanide coordination polymers (CPs) {[Er(Hmtbd)(H2mtbd)(H2O)3]·2H2O}n (1) and [Yb(Hmtbd)(H2mtbd)(H2O)3]n (2) carrying an N-heterocyclic carboxylate ligand 5-(3-methylformate-1H-1,2,4-triazole-1-methyl)benzen-1,3-dicarboxylate (H3mtbd) were prepared under solvothermal conditions. The single-crystal X-ray diffraction data demonstrate that 1 2 are isostructural display 1D chain structure. Alternating current (AC) impedance measurements illustrate the highest proton conductivities of can...
Abstract The relatively narrow electrochemical steady window and low ionic conductivity are two critical challenges for Li + ‐conducting solid polymer electrolytes (SPE). Here, a family of poly‐oxalate(POE) structures were prepared as SPE; among them, POEs composed from diols with an odd number carbons show higher than those even carbons, the POE propanediol (C5‐POE) has highest conductivity. HOMO (highest occupied molecular orbital) electrons found located on terminal units. When using...
To develop new types of crystalline proton conducting materials for fuel cells, a polyoxometalate-based hydrogen-bonded organic framework (PHOF) based on Keggin-type [PMo<sub>12</sub>O<sub>40</sub>]<sup>3−</sup> and phenylimidazole (PHOF <bold>1</bold>) has been prepared.
Conventional Schottky diodes have a switching limit of ideality factor larger than unity due to the thermionic emission. In this work, cold source (CSDs) using metals monolayer 2H phase MX2(M = Nb, Ta; X S, Se) as injection are proposed and investigated by first-principles quantum transport simulations. Different from conventional diode, CSDs can break reach steep switching. Cold such MX2are metallic but energy gaps around Fermi level. Therefore, high-energy electrons be effectively filtered...
Multimodal emotion recognition is widely used in human-computer interaction, medical care, education, human resources, and other fields, one of the important technologies current research. The existing research based on single-modal recognition, which has problems low accuracy key information missing, gradient disappearing. Based this situation, paper proposes a multimodal model feature fusion residual connection, uses Bi-LSTM Muti-head attention to extract features voice, text, video,...
Objectives To estimate anaemia prevalence and the associated factors among hospitalised people living with HIV (PLHIV) receiving antiretroviral therapy (ART). Design A cross-sectional study. Setting PLHIV ART in a specialised hospital for infectious disease Guizhou Province, Southwest China, between 1 January 2018 31 March 2021. Participants total of 6959 aged ≥18 years were included this Primary secondary outcome measures Anaemia was diagnosed as haemoglobin concentration <120 g/L...
A ternary cold source field effect transistor (T-CSFET) is proposed based on density-of-state engineering, using a narrow-band-gap semiconductor at the region. current plateau subthreshold region obtained in transfer characteristics of T-CSFETs, namely an intermediate state with constant between and off states. We meticulously study two-dimensional T-CSFET graphene-${\mathrm{Mo}\mathrm{S}}_{2}$ heterojunction by quantum transport simulations. It shown that states can be well distinguished...
Abstract Since the 21st century, with rapid development of network information technology, technology has begun to be widely used in education. Seizing opportunity developing new generation establishing a broad coverage education informatization system, strengthening construction and application teaching resource accelerating sharing high-quality educational resources are current goals informatization. The open platform physical curriculum based on MOOC is an important way “promote...