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2,206 results on '"Sun, Xueliang"'

102. Tuning ionic conductivity and electrode compatibility of Li3YBr6 for high-performance all solid-state Li batteries

Author

Yu, Chuang, Li, Yong, Adair, Keegan R., Li, Weihan, Goubitz, Kees, Zhao, Yang, Willans, Mathew J., Thijs, Michel A., Wang, Changhong, Zhao, Feipeng, Sun, Qian, Deng, Sixu, Liang, Jianwen, Li, Xiaona, Li, Ruying, Sham, Tsun-Kong, Huang, Huan, Lu, Shigang, Zhao, Shangqian, Zhang, Li, van Eijck, Lambert, Huang, Yining, and Sun, Xueliang

Published
2020
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118. Cubic Iodide LixYI3+x Superionic Conductors through Defect Manipulation for All‐Solid‐State Li Batteries

Author

Zhang, Shumin, primary, Zhao, Feipeng, additional, Su, Han, additional, Zhong, Yu, additional, Liang, Jianwen, additional, Chen, Jiatang, additional, Zheng, Matthew Liu, additional, Liu, Jue, additional, Chang, Lo‐Yueh, additional, Fu, Jiamin, additional, Alahakoon, Sandamini H., additional, Hu, Yang, additional, Liu, Yu, additional, Huang, Yining, additional, Tu, Jiangping, additional, Sham, Tsun‐Kong, additional, and Sun, Xueliang, additional

Published
2024
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123. Safe and Durable High-Temperature Lithium–Sulfur Batteries via Molecular Layer Deposited Coating

Author

Li, Xia, Lushington, Andrew, Sun, Qian, Xiao, Wei, Liu, Jian, Wang, Biqiong, Ye, Yifan, Nie, Kaiqi, Hu, Yongfeng, Xiao, Qunfeng, Li, Ruying, Guo, Jinghua, Sham, Tsun-Kong, and Sun, Xueliang

Subjects
Engineering, Materials Engineering, Chemical Sciences, Physical Chemistry, Affordable and Clean Energy, Lithium-sulfur batteries, molecular layer deposition, MLD, high temperature, carbonate based electrolyte, ether based electrolyte, Lithium−sulfur batteries, Nanoscience & Nanotechnology
Abstract

Lithium-sulfur (Li-S) battery is a promising high energy storage candidate in electric vehicles. However, the commonly employed ether based electrolyte does not enable to realize safe high-temperature Li-S batteries due to the low boiling and flash temperatures. Traditional carbonate based electrolyte obtains safe physical properties at high temperature but does not complete reversible electrochemical reaction for most Li-S batteries. Here we realize safe high temperature Li-S batteries on universal carbon-sulfur electrodes by molecular layer deposited (MLD) alucone coating. Sulfur cathodes with MLD coating complete the reversible electrochemical process in carbonate electrolyte and exhibit a safe and ultrastable cycle life at high temperature, which promise practicable Li-S batteries for electric vehicles and other large-scale energy storage systems.

Published
2016

131. Production of Lithium-Ion Cathode Material for Automotive Batteries Using Melting Casting Process

Author

Li, Delin, Kasprzak, Wojciech, Patience, Gregory S., Sauriol, Pierre, Villazón-Amarís, Hernando, Dollé, Mickaël, Gauthier, Michel, Rousselot, Steeve, Talebi-Esfandarani, Majid, Bibienne, Thomas, Sun, Xueliang, Liu, Yulong, Liang, Guoxian, Hwang, Jiann-Yang, editor, Jiang, Tao, editor, Kennedy, Mark William, editor, Gregurek, Dean, editor, Wang, Shijie, editor, Zhao, Baojun, editor, Yücel, Onuralp, editor, Keskinkilic, Ender, editor, Downey, Jerome P, editor, Peng, Zhiwei, editor, and Padilla, Rafael., editor

Published
2018
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141. Toward a remarkable Li-S battery via 3D printing

Author

Gao, Xuejie, Sun, Qian, Yang, Xiaofei, Liang, Jianneng, Koo, Alicia, Li, Weihan, Liang, Jianwen, Wang, Jiwei, Li, Ruying, Holness, Frederick Benjamin, Price, Aaron David, Yang, Songlin, Sham, Tsun-Kong, and Sun, Xueliang

Published
2019
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145. Synergistic Ni−W Dimer Sites Induced Stable Compressive Strain for Boosting the Performance of Pt as Electrocatalyst for the Oxygen Reduction Reaction.

Author

Yao, Xiaozhang, Song, Zhongxin, Yao, Xue, Guan, Yi, Hamada, Natalie, Zhang, Jingyan, Huo, Ziwei, Zhang, Lei, Singh, Chandra Veer, and Sun, Xueliang

Subjects
OXYGEN reduction, ATOMIC layer deposition, TRANSITION metals, ATOMIC structure, SURFACE strains, TRANSITION metal oxides, TRANSITION metal catalysts
Abstract

Alloying Pt catalysts with transition metal elements is an effective pathway to enhance the performance of oxygen reduction reaction (ORR), but often accompanied with severe metal dissolution issue, resulting in poor stability of alloy catalysts. Here, instead of forming traditional alloy structure, we modify Pt surface with a novel Ni−W dimer structure by the atomic layer deposition (ALD) technique. The obtained NiW@PtC catalyst exhibits superior ORR performance both in liquid half‐cell and practical fuel cell compared with initial Pt/C. It is discovered that strong synergistic Ni−W dimer structure arising from short atomic distance induced a stable compressive strain on the Pt surface, thus boosting Pt catalytic performance. This surface modification by synergistic dimer sites offers an effective strategy in tailoring Pt with excellent activity and stability, which provides a significant perspective in boosting the performance of commercial Pt catalyst modified with polymetallic atom sites. [ABSTRACT FROM AUTHOR]

Published
2024
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147. Catalytic conversion of polysulfides by atomic layer deposition derived titanium nitride for high‐performance lithium‐sulfur batteries.

Author

Nizami, Ameer, Yang, Zhao, Deng, Sixu, Li, Ruying, Li, Xia, and Sun, Xueliang

Subjects
LITHIUM sulfur batteries, ATOMIC layer deposition, TITANIUM nitride, POLYSULFIDES, CARBON composites, ELECTROCHEMICAL analysis
Abstract

Lithium‐Sulfur (Li‐S) batteries as the next‐generation battery system have an ultrahigh theoretical energy density. However, the limited conversion of polysulfides in sulfur cathodes deteriorates the performance of Li‐S batteries. In this study, we develop a novel titanium nitride (TiN) catalyst for sulfur cathodes via atomic layer deposition (ALD). The synthesized ALD‐TiN catalyst shows controllable ultrafine particle size (<2 nm) and uniform distribution at the nanoscale in the carbon matrix. Combined with electrochemical analysis and multiple post‐characterization techniques, ALD‐TiN demonstrates an excellent catalytic effect to facilitate the nucleation and deposition of Li2S, which effectively suppresses the dissolution and shuttle of polysulfides. The as‐prepared sulfur cathodes, with the assistance of TiN catalyst, exhibit excellent cycling performance at a high rate (4 C) and deliver 200% higher discharge capacity than the pristine Sulfur‐pristine porous carbon composite cathodes. [ABSTRACT FROM AUTHOR]

Published
2024
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149. Cubic Iodide LixYI3+x Superionic Conductors through Defect Manipulation for All‐Solid‐State Li Batteries.

Author

Zhang, Shumin, Zhao, Feipeng, Su, Han, Zhong, Yu, Liang, Jianwen, Chen, Jiatang, Zheng, Matthew Liu, Liu, Jue, Chang, Lo‐Yueh, Fu, Jiamin, Alahakoon, Sandamini H., Hu, Yang, Liu, Yu, Huang, Yining, Tu, Jiangping, Sham, Tsun‐Kong, and Sun, Xueliang

Subjects
SUPERIONIC conductors, SOLID state batteries, IODIDES, IONIC conductivity, LITHIUM sulfur batteries, IONIC structure
Abstract

Halide solid electrolytes (SEs) have attracted significant attention due to their competitive ionic conductivity and good electrochemical stability. Among typical halide SEs (chlorides, bromides, and iodides), substantial efforts have been dedicated to chlorides or bromides, with iodide SEs receiving less attention. Nevertheless, compared with chlorides or bromides, iodides have both a softer Li sublattice and lower reduction limit, which enable iodides to possess potentially high ionic conductivity and intrinsic anti‐reduction stability, respectively. Herein, we report a new series of iodide SEs: LixYI3+x (x=2, 3, 4, or 9). Through synchrotron X‐ray/neutron diffraction characterizations and theoretical calculations, we revealed that the LixYI3+x SEs belong to the high‐symmetry cubic structure, and can accommodate abundant vacancies. By manipulating the defects in the iodide structure, balanced Li‐ion concentration and generated vacancies enables an optimized ionic conductivity of 1.04 × 10−3 S cm−1 at 25 °C for Li4YI7. Additionally, the promising Li‐metal compatibility of Li4YI7 is demonstrated via electrochemical characterizations (particularly all‐solid‐state Li‐S batteries) combined with interface molecular dynamics simulations. Our study on iodide SEs provides deep insights into the relation between high‐symmetry halide structures and ionic conduction, which can inspire future efforts to revitalize halide SEs. [ABSTRACT FROM AUTHOR]

Published
2024
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150. Interface Welding via Thermal Pulse Sintering to Enable 4.6 V Solid‐State Batteries.

Author

Yao, Xiangming, Chen, Shiming, Wang, Changhong, Chen, Taowen, Li, Jiangxiao, Xue, Shida, Deng, Zhikang, Zhao, Wenguang, Nan, Bowen, Zhao, Yiqian, Yang, Kai, Song, Yongli, Pan, Feng, Yang, Luyi, and Sun, Xueliang

Subjects
WELDING, SOLID electrolytes, IONIC conductivity, SINTERING, CARBON nanotubes, LITHIUM, NANOWIRES
Abstract

NASICON‐type Li1.3Al0.3Ti1.7(PO4)3 (LATP) is one of the most promising solid‐state electrolytes (SSEs) to achieve high‐energy‐density solid‐state batteries (SSBs) due to its high ionic conductivity, high‐voltage stability, and low cost. However, its practical application is constrained by inadequate interfacial compatibility with cathode materials and significant incompatibility with lithium metal. In this work, a cost‐effective interface welding approach is reported, utilizing an innovative thermal pulse sintering (TPS) to fabricate LATP‐based solid‐state batteries. Initially, the rapid thermal pulses enhance the ionic conductivity of LATP SSE by inducing selective growth of LATP nanowires, effectively occupying interparticle voids. Additionally, this process results in the formation of a dense layer (GCM) comprising graphene oxide, carbon nanotubes, and MXene with a controlled Li+ transport pathway, facilitating lithium stripping and plating processes. Moreover, these thermal pulses facilitate the interfacial fusion between LATP and cathode materials, while avoiding undesired phase diffusion. As a result, SSBs with a LiCoO2 cathode deliver favorable cycle stability at 4.6 V, marking significant progress. This facile interface welding strategy represents a substantial step toward high‐energy‐density SSB development. [ABSTRACT FROM AUTHOR]

Published
2024
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