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Unprecedented strong and reversible atomic orbital hybridization enables a highly stable Li-S battery.
The shuttle effect and excessive volume change of the sulfur cathode severely impede the industrial implementation of Li-S batteries. It is still highly challenging to find an efficient way to suppress the shuttle effect and...
Unprecedented and highly stable lithium storage capacity of (001) faceted nanosheet-constructed hierarchically porous TiO2/rGO hybrid architecture for high-performance Li-ion batteries.
Wen-Bei Yu, Zhi-Yi Hu, Jun Jin, Min Yi, Min Yan, Yu Li, Hong-En Wang, Huan-Xin Gao, Li-Qiang Mai, Tawfique Hasan, Bai-Xiang Xu, Dong-Liang Peng, Gustaaf Van Tendeloo, Bao-Lian Su
Jan 06, 2022
Active crystal facets can generate special properties for various applications. Herein, we report a (001) faceted nanosheet-constructed hierarchically porous TiO2/rGO hybrid architecture with unprecedented and highly stable...
Unprecedented and highly stable lithium storage capacity of (001) faceted nanosheet-constructed hierarchically porous TiO2/rGO hybrid architecture for high-performance Li-ion batteries.
Wen-Bei Yu, Zhi-Yi Hu, Jun Jin, Min Yi, Min Yan, Yu Li, Hong-En Wang, Huan-Xin Gao, Li-Qiang Mai, Tawfique Hasan, Bai-Xiang Xu, Dong-Liang Peng, Gustaaf Van Tendeloo, Bao-Lian Su
Feb 28, 2020
Active crystal facets can generate special properties for various applications. Herein, we report a (001) faceted nanosheet-constructed hierarchically porous TiO2/rGO hybrid architecture with unprecedented and highly stable...
DFT Simulation-Based Design of 1T-MoS2 Cathode Hosts for Li-S Batteries and Experimental Evaluation.
Elaheh Hojaji, Eleftherios I Andritsos, Zhuangnan Li, Manish Chhowalla, Constantina Lekakou, Qiong Cai
Jan 25, 2023
The main challenge in lithium sulphur (Li-S) batteries is the shuttling of lithium polysulphides (LiPSs) caused by the rapid LiPSs migration to the anode and the slow reaction kinetics in the chain of LiPSs conversion. In this...
Structure Prediction of Li--Sn and Li--Sb Intermetallics for Lithium-ion Batteries Anodes.
A variety of new stable and metastable Li–Sn and Li–Sb intermetallics are presented using the ab initio random structure searching (AIRSS) and species swapping methods. There include LiSn2–P4/mmm, Li2Sn3–P-1, Li7Sn9–P42/n...
Quantitatively analyzing the failure processes of rechargeable Li metal batteries.
Yuxuan Xiang, Mingming Tao, Guiming Zhong, Ziteng Liang, Guorui Zheng, Xiao Huang, Xiangsi Liu, Yanting Jin, Ningbo Xu, Michel Armand, Ji-Guang Zhang, Kang Xu, Riqiang Fu, Yong Yang
Jan 07, 2022
Practical use of lithium (Li) metal for high–energy density lithium metal batteries has been prevented by the continuous formation of Li dendrites, electrochemically isolated Li metal, and the irreversible formation of solid...
Face Dependence of Schottky Barriers Heights of Silicides and Germanides on Si and Ge.
Density functional supercell calculations of the Schottky barrier heights (SBH) of metal germanides and silicides on Si or Ge find that these vary with the facet, unlike those of elemental metals. In addition, silicides and...
Structural and mechanistic insights into fast lithium-ion conduction in Li<sub>4</sub>SiO<sub>4</sub>-Li<sub>3</sub>PO<sub>4 </sub>solid electrolytes
Yue Deng, Christopher Eames, Jean Noël Chotard, Fabien Laleìre, Vincent Seznec, Steffen Emge, Oliver Pecher, Clare P. Grey, Christian Masquelier, M. Saiful Islam
Jul 22, 2015
Solid electrolytes that are chemically stable and have a high ionic conductivity would dramatically enhance the safety and operating lifespan of rechargeable lithium batteries. Here, we apply a multi-technique approach to the...
Hydrogen and the Light-Induced Bias Instability Mechanism in Amorphous Oxide Semiconductors.
Hydrogen is known to be present as an impurity in amorphous oxide semiconductors at the 0.1% level. Using amorphous ZnO as a simplified model system, we show that the hydrogens pair up at oxygen vacancies in the amorphous...
Local charge inhomogeneity and lithium distribution in the superionic argyrodites Li<sub>6</sub>PS<sub>5</sub><i>X</i> (<i>X</i> = Cl, Br, I)
Nicolò Minafra, Marvin Kraft, Tim Bernges, Cheng Li, Roman Schlem, Benjamin Morgan, Wolfgang Zeier
Aug 03, 2020
The lithium-argyrodites Li6PS5X (X = Cl, Br, I) exhibit high lithium-ion conductivities, making them promising candidates for use in solid-state batteries. These solid electrolytes can show...
CT/MRI LI-RADS v2018 vs. CEUS LI-RADS v2017-Can Things Be Put Together?
Different LI-RADS core documents were released for CEUS and for CT/MRI. Both documents rely on major and ancillary diagnostic criteria. The present paper offers an exhaustive comparison of the two documents focusing on the...
Published by: Biology
Structural and mechanistic insights into fast lithium-ion conduction in Li<sub>4</sub>SiO<sub>4</sub>-Li<sub>3</sub>PO<sub>4 </sub>solid electrolytes
Yue Deng, Christopher Eames, Jean Noël Chotard, Fabien Laleìre, Vincent Seznec, Steffen Emge, Oliver Pecher, Clare P. Grey, Christian Masquelier, M. Saiful Islam
Jul 22, 2015
Solid electrolytes that are chemically stable and have a high ionic conductivity would dramatically enhance the safety and operating lifespan of rechargeable lithium batteries. Here, we apply a multi-technique approach to the...
Local charge inhomogeneity and lithium distribution in the superionic argyrodites Li<sub>6</sub>PS<sub>5</sub><i>X</i> (<i>X</i> = Cl, Br, I)
Nicolò Minafra, Marvin Kraft, Tim Bernges, Cheng Li, Roman Schlem, Benjamin Morgan, Wolfgang Zeier
Aug 03, 2020
The lithium-argyrodites Li6PS5X (X = Cl, Br, I) exhibit high lithium-ion conductivities, making them promising candidates for use in solid-state batteries. These solid electrolytes can show...
Extending the metal-induced gap state model of Schottky barriers
Fermi level pinning at Schottky barriers strongly limits the minimization of contact resistances in devices and thereby limits the scaling of
modern Si electronic devices, so it is useful to understand the full range of...
Iron, oxidative stress and the example of solar ultraviolet A radiation
Iron has outstanding biological importance as it is required for a wide variety of essential cellular processes and, as such, is a vital nutrient. The element holds this central position by virtue of its facile redox chemistry...
Mg<inf>x</inf>Mn<inf>2-x</inf>B<inf>2</inf>O<inf>5</inf> Pyroborates (2/3 ≤ x ≤ 4/3)
MgMnB2O5, Mg2/3Mn4/3B2O5, and Mg4/3Mn2/3B2O5 pyroborates have been prepared via a ceramic method. When charging MgMnB2O5 vs Li, all of the Mg2+ can be removed, and with subsequent cycles, 1.4 Li ions, corresponding to a capacity...
Native Defects and their Doping Response in the Lithium Solid Electrolyte Li<sub>7</sub>La<sub>3</sub>Zr<sub>2</sub>O<sub>12</sub>
The Li-stuffed garnets Li xM 2M3′O 12 are promising Li-ion solid electrolytes with potential use in solid-state batteries. One strategy for optimizing ionic conductivities in these materials...
Towards prediction of ordered phases in rechargeable battery chemistry via group–subgroup transformation
Abstract The electrochemical thermodynamic and kinetic characteristics of rechargeable batteries are critically influenced by the ordering of mobile ions in electrodes or solid electrolytes....
Towards prediction of ordered phases in rechargeable battery chemistry via group–subgroup transformation
Abstract The electrochemical thermodynamic and kinetic characteristics of rechargeable batteries are critically influenced by the ordering of mobile ions in electrodes or solid electrolytes....
Iron, oxidative stress and the example of solar ultraviolet A radiation
Iron has outstanding biological importance as it is required for a wide variety of essential cellular processes and, as such, is a vital nutrient. The element holds this central position by virtue of its facile redox chemistry...
CT/MRI LI-RADS v2018 vs. CEUS LI-RADS v2017—Can Things Be Put Together?
Different LI-RADS core documents were released for CEUS and for CT/MRI. Both documents rely on major and ancillary diagnostic criteria. The present paper offers an exhaustive comparison of the two documents focusing on the...
CT/MRI LI-RADS v2018 vs. CEUS LI-RADS v2017-Can Things Be Put Together?
Different LI-RADS core documents were released for CEUS and for CT/MRI. Both documents rely on major and ancillary diagnostic criteria. The present paper offers an exhaustive comparison of the two documents focusing on the...
On the Solvation of Redox Mediators and Implications for their Reactivity in Li-Air Batteries
Lithium-air batteries are a promising energy storage technology for transport applications, given their exceptionally high energy density. However, their development is significantly hampered by high overpotentials...
Defect Emission and Optical Gain in SiCxOy
Zhenxu Lin, Hongfei Li, Rui Huang, Yi Zhang, Jie Song, Hongliang Li, Yanqing Guo, Chao Song, John Robertson
Nov 28, 2017
Luminescent SiCxOy:H films, which are fabricated at different CH4 flow rates using the plasma-enhanced chemical vapor deposition (PECVD) technique, exhibit strong photoluminescence (PL) with tuning from the near-infrared to...
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