Article
Materials Science, Ceramics
Jingxuan Yin, Liangliang Yu, Zhemin Gong, Lingjun Shu, Chengwei Gao, Yongxing Liu, Xiang Shen, Changgui Lin, Qing Jiao
Summary: All-solid-state sodium-ion batteries are becoming a strong competitor to lithium-ion batteries due to their abundant resources and high safety performance. This study presents a novel solid glass-ceramic electrolyte, Na3Sb0.75As0.25S4, with superior performance and low H2S gas emission.
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2023)
Article
Polymer Science
Shuqi Dai, Junxia He, Xiupeng Chen, Jinyi Cui, Hongqin Zhao, Rongchun Zhang, Huanyu Lei, Jiafu Yin, Linkun Cai, Fan Ye, Xian Kong, Rongrong Hu, Mingjun Huang
Summary: Polymer electrolytes are being studied for their potential as solid-state ionic conductors in future lithium metal batteries. Poly(ethylene oxide)-based electrolytes, in particular, are favored for their high ion conductivity and compatibility with electrode interfaces. However, the trade-off between ion conductivity and mechanical strength enhancement is a challenge due to the coupling between lithium-ion transport and polymer chain motion. Low temperature ion conductivity and low cation transference numbers also hinder practical applications of these electrolytes in batteries.
Review
Chemistry, Multidisciplinary
Jianwen Liang, Xiaona Li, Keegan R. Adair, Xueliang Sun
Summary: Metal-halide solid-state electrolytes show promising properties for next-generation electrochemical energy storage systems, with enhanced electrochemical stability and fast Li+ migration. Through structural control and defect engineering, the ionic conductivity of metal-halide SSEs can be further improved. Additionally, the direct synthesis of metal-halide SSEs on cathode materials provides a solution to interfacial challenges and shows potential for high-performance solid-state Li-O-2 batteries.
ACCOUNTS OF CHEMICAL RESEARCH
(2021)
Article
Nanoscience & Nanotechnology
Jasneet Kaur, Adel Malekkhouyan, Gurpreet S. Selopal, Zhiming M. Wang, Federico Rosei, Hadis Zarrin
Summary: The functionalized hexagonal boron nitride (FhBN) nanoflakes with high proton conductivity were successfully synthesized and demonstrated excellent dispersibility and stability. When composed with Nafion solution, the FhBN-Nafion nanocomposite PEMs showed significantly improved proton conductivities in both in-plane and through-plane directions compared to pure Nafion, making it a promising material for electrochemical energy devices.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Physical
Alexander J. E. Rettie, Jingxuan Ding, Xiuquan Zhou, Michael J. Johnson, Christos D. Malliakas, Naresh C. Osti, Duck Young Chung, Raymond Osborn, Olivier Delaire, Stephan Rosenkranz, Mercouri G. Kanatzidis
Summary: The research introduces a two-dimensional type I superionic conductor, alpha-KAg3Se2, demonstrating its characteristics with scattering techniques and simulations. It is confirmed that the superionic Ag+ ions are confined to subnanometre sheets, and the phase transition temperature can be controlled by chemical substitution.
Article
Chemistry, Multidisciplinary
Wilarachchige D. C. B. Gunatilleke, Oluwagbemiga P. Ojo, George S. Nolas
Summary: We investigate the thermal properties of superionic conductors for solid-state battery applications and find that thermal diffusion is the predominant factor contributing to thermal transport above the Debye temperature in superionic NaSbS2.
CHEMICAL COMMUNICATIONS
(2023)
Article
Chemistry, Multidisciplinary
Mayanak K. Gupta, Jingxuan Ding, Naresh C. Osti, Douglas L. Abernathy, William Arnold, Hui Wang, Zachary Hood, Olivier Delaire
Summary: By investigating the phonons in Na3PS4 and their coupling to fast sodium diffusion, key anharmonic phonon modes controlling the diffusion process were identified at the Brillouin zone boundary of the anharmonically stabilized cubic phase. Detailed insights into the dynamic mechanism of fast sodium diffusion were provided, offering a pathway to search for further sodium solid electrolytes.
ENERGY & ENVIRONMENTAL SCIENCE
(2021)
Article
Chemistry, Inorganic & Nuclear
R. D. Gus'kov, V. G. Ponomareva
Summary: Hybrid polymer compounds based on CsH5(PO4)(2) and Butvar were synthesized with ethanol and isopropanol as solvents. The salt structure remains unchanged but dispersion and partial amorphization were observed during synthesis. The highest proton conductivity was achieved through salt precipitation in a common solvent with further tape casting, resulting in a 2 orders of magnitude increase relative to the initial salt conductivity.
INORGANIC CHEMISTRY COMMUNICATIONS
(2021)
Article
Chemistry, Physical
Ruixiang Mi, Sanlue Hu, Zewen Xiao
Summary: This study focuses on the theoretical design and experimental verification of rock-salt-ordered double antiperovskites with reduced bandgaps. The results demonstrate strategies for designing double antiperovskites and expanding their applications.
CHEMISTRY OF MATERIALS
(2022)
Article
Materials Science, Ceramics
Xiaoyuan Sun, Zixuan Liu, Hao Qian, Yunfei Liu, Yinong Lyu
Summary: A strategy of constructing the morphotropic phase boundary and manipulating the domain structure has been used to design a component (BNKT-4ST-100xNb) that demonstrates enhanced strain properties for actuator applications. The incorporation of non-equivalent Nb5+ donor doping modulates phase transitions, resulting in the coexistence of multiple phases and a unique domain structure that contributes to improved relaxor behavior. The ceramics show good temperature stability and potential for high-displacement actuator applications.
CERAMICS INTERNATIONAL
(2021)
Article
Chemistry, Multidisciplinary
Jieren Shao, Jingfeng Zheng, Lei Qin, Songwei Zhang, Yang Ren, Yiying Wu
Summary: The study introduces a new sulfide-based potassium-ion conductor K3SbS4 and W-doped K3-xSb1-xWxS4 compounds, among which K2.92Sb0.92W0.08S4 exhibits the highest conductivity of 1.4 x 10(-4) S cm(-1). The research successfully demonstrates a room-temperature solid potassium-sulfur (K-S) battery system prototype, using a non-commercial inorganic electrolyte to block the polysulfide shuttle.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Physics, Multidisciplinary
Xiaomeng Wang, Yong Wang, Junjie Wang, Shuning Pan, Qing Lu, Hui-Tian Wang, Dingyu Xing, Jian Sun
Summary: In this study, we identified stable Li-Al compounds with electride behavior under high pressure using crystal structure predictions and first-principle calculations combined with machine learning. Some of these compounds exhibited characteristics of a two-dimensional electron gas. We found that Li6Al at 150 GPa has a superconducting transition temperature of around 29 K and enters a superionic state at a high temperature and wide pressure range.
PHYSICAL REVIEW LETTERS
(2022)
Article
Chemistry, Physical
Ekaterina A. Arkhipova, Anton S. Ivanov, Mikhail M. Levin, Konstantin I. Maslakov, Stepan Yu. Kupreenko, Serguei V. Savilov
Summary: This study measured the electrical conductivity of three ammonium salts in acetonitrile with different salt mole fractions. The study calculated the conductivity and diffusion coefficients of the salts, as well as the thermal expansion coefficients and thermophysical properties at different temperatures.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Mechanics
F. Aitken, F. Volino
Summary: This study models and validates the viscosity and self-diffusion coefficient of potassium and thallium metal compounds using the translational elastic mode theory. The study provides precise thermodynamic parameter values for these compounds.
Article
Nanoscience & Nanotechnology
Sahel Karoui, Slaheddine Kamoun
Summary: The crystal structure of sodium nitroprusside was determined by X-ray diffraction in this study, and its electrical properties were characterized by impedance spectroscopy. The AC conductivity showed a universal power law dependence on frequency, indicating hopping conduction based on three theoretical models. The activation energies obtained from the electrical conductivity and electric modulus were similar, suggesting that the transport mechanisms were related to ion hopping.
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
(2021)
