Yong Zhao

Southwest Jiaotong University

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Yong Zhang

Tonghua Normal University

124

Xinsheng Yang

Chongqing University

Bai Sun

Xi'an Jiaotong University

C.H. Cheng

Xi'an Aeronautical University

Yongliang Chen

Yanshan University

Xifeng Pan

Fujian Normal University

Chuan Ke

Southwest Jiaotong University

Zhou Yu

Tsinghua University

Yan Guo

Western Metal Materials (China)

Shuangsuo Mao

Southwest Jiaotong University

Cooperative Institutions

Southwest Jiaotong University

439

Chinese Academy of Sciences

241

University of Science and Technology of China

Peking University

University of Chinese Academy of Sciences

Shanghai Jiao Tong University

Zhejiang University

Sichuan University

Fujian Normal University

National Institute for Fusion Science

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1T-VS₂@V₂O₃ Synergistic Nanoarchitecture-Based Lamellar Clusters as the High Conductivity Cathodes of Thermal Batteries

ACS Applied Materials & Interfaces (2024)

Xin-ya Bu Yanli Zhu Congjie Wang Wei Li Yu Xia

Thermal batteries are solid-state, thermally activated batteries with long storage times and high reliability. FeS2 is used as a cathode material commonly, but the high internal resistance and low voltage platform limit the improvement of battery performance. Herein, the 1T-phase vanadium disulfide (VS2) is prepared via the scalable hydrothermal method and applied to thermal battery cathode materials for the first time. 1T-VS2 lamellar flower clusters have high electronic conductivity (1.583 S cm–1) at room temperature, which is 75 times higher than FeS2 (0.021 S cm–1). Mechanism analysis shows that 1T-VS2@V2O3 can be formed based on the part of 1T-VS2 being oxidized to V2O3 at the discharge temperature. Benefiting from the synergistic effect of vanadium sulfide and vanadium oxide as a cathode for thermal batteries enhanced specific capacity (292.4 mA h g–1) and mass energy density (572.5 W h kg–1) when cutoff voltage is 1 V. Additionally, the discharge results indicate that the cells utilizing 1T-VS2 cathodes provided a higher voltage platform of 2.11 V than 1.84 V for FeS2. This impressive work can offer a good strategy for boosting cathode materials for a high-performance thermal battery.

Vanadium Oxide

10.1021/acsami.3c16991

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Citations (7)

Enhancement of critical current density of MgB2 by doping Ho2O3

Applied Physics Letters (2006)

C.H. Cheng Yong Zhao

Mg 1 − x ( Ho 2 O 3 ) x B 2 alloys were prepared by in situ solid state reaction to study the effect of magnetic Ho2O3 dopant on flux pinning behavior of MgB2. Crystal structure, Tc, and Hc2 were not affected by Ho2O3 doping; however, Jc and Hirr were significantly enhanced. In 5T field, the best sample (x=3%) reached Jc of 1.0×103, 2.0×104, and 1.2×105A∕cm2 at 20, 10, and 5K, respectively, much higher than those achieved by nonmagnetic impurity, such as Ti-, Zr-, and Y2O3-doped MgB2. The observed magnetic HoB4 nanoparticles were attributed to be the source for the enhanced flux pinning effects.

10.1063/1.2409368

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Citations (47)

Preparation of REFeAsO1−F (RE=Sm and Gd) superconductors at a relatively low temperature

Journal of Physics and Chemistry of Solids (2010)

Yajing Cui Y.L. Chen C.H. Cheng Yufeng Yang Y.Z. Wang

Tetragonal crystal system

Fluorine

Transition temperature

Superconducting transition temperature

10.1016/j.jpcs.2010.10.041

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Citations (3)

A Speedy Preparation of Ce0.8Sm0.2O1.9-Δ Buffer Layer for YBa 2Cu3O7-δ Coated Conductors

IEEE Transactions on Applied Superconductivity (2016)

Xiaolei Zhu Hong Zhang Yong Zhao

Economic, efficient, and energy-saving preparation techniques were the key factors for the application of superconducting coated conductors. To shorten the preparation time and decrease the preparation cost, a speedy route of chemical solution deposition method was developed to prepare Ce _0.8 Sm _0.2 O _1.9-Δ (CSO) layer on yttria stabilized zirconia single crystal substrate. The CSO buffer layer was successfully obtained by the speedy route with the c-axis oriented structure and the smooth dense surface. The total time for the preparing CSO buffer layer could be shortened to around 70 mins. The thickness of CSO buffer layer was 150 nm. The YBa ₂ Cu ₃ O _7-δ (YBCO) superconducting layer was grown on the CSO buffer layer with the superconducting transition temperature of 90.2 K and the critical current density of 1.83 MA cm ^-2 (77 K, self-field). Hence, the speedy chemical solution deposition route could provide a low cost and efficient technology to prepare YBCO coated conductors.

10.1109/tasc.2016.2629262

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Evolution between RS and NRS behaviors in BiFeO3@egg albumen nanocomposite based memristor

Current Applied Physics (2023)

Jiajia Qin Bai Sun Yongzan Zhou Junmei Du Zelin Cao

Memristor

Commutation

10.1016/j.cap.2023.12.015

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Citations (2)

Effect of Joule heating current on phase formation and superconducting properties based on Nb3Al for applications in nuclear fusion magnet energy

Journal of Alloys and Compounds (2018)

Pingyuan Li Wenjie Zhang Wenjia Lin Gang Wang Xifeng Pan

Superconducting wire

10.1016/j.jallcom.2018.01.248

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Citations (16)

A persistently increasing resistance ratio and repeatable non-volatile memory in AZO/CZTSe/FTO resistive switching devices

Functional Materials Letters (2018)

Pingping Zheng Xuejiao Zhang Bai Sun Shuangsuo Mao Shouhui Zhu

In this paper, the Cu 2 ZnSnSe 4 (CZTSe) film was deposited on the fluorine-doped SnO 2 (FTO), and Al-doped ZnO (AZO) and FTO act as top and bottom electrodes for constructing a sandwich structure, in which the AZO/CZTSe/FTO device not only represents outstanding non-volatile resistive switching memory behavior, but also shows a persistently increasing resistance ratio phenomenon for the first time. This work reveals that the device based on CZTSe film holds an excellent memory effect for non-volatile memory applications in the electronic equipment.

Resistive touchscreen

Non-Volatile Memory

Retention time

10.1142/s1793604718500236

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Citations (3)

The influence of Laval nozzle throat size on supersonic molecular beam injection

Journal of Modern Transportation (2014)

Xinkui He Xianfu Feng Mingmin Zhong Fujun Gou Shuiquan Deng

In this study, finite element analysis (FEA) has been used to investigate the effects of different Laval nozzle throat sizes on supersonic molecular beam. The simulations indicate the Mach numbers of the molecular stream peak at different positions along the center axis of the beam, which correspond to local minimums of the molecular densities. With the increase of the throat diameter, the first peak of the Mach number increases first and then decreases, while that of the molecular number density increases gradually. Moreover, both first peaks shift progressively away from the throat. At the last part, we discuss the possible applications of our FEA approach to solve some crucial problems met in modern transportations.

Throat

10.1007/s40534-014-0041-3

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Citations (2)

Construction of Superhydrophobic Coating on Iron Surface with Enhanced Anti-Corrosion, Anti-Adhesive and Anti-Bacterial Properties

Materials (2022)

Wuyifan Zhou Feng Yang Ling Yuan Yangmin Diao Ou Jiang

Superhydrophobic coatings on iron surface have a wide application potential in medical instruments, chemical industrial equipment, and house construction. In this work, we developed a multi-functional superhydrophobic coating on iron surface with a high air/water contact angle of 162.3° and a low sliding angle of 2.4°. The construction of superhydrophobic coating involves physical friction processing to fabricate micropatterns and structures, followed by annealing treatment and surface chemical modification with 1H,1H,2H,2H-tridecafluoro-n-octyltrimethoxysilane. The obtained organic-inorganic composite material exhibited considerable optimization potential to anti-condensation performance. The low surface energy of the superhydrophobic coating also leads to poor adhesion of water, dust, and blood platelets, which is beneficial for applications in medical devices. The electrochemical and impedance test results demonstrated that the superhydrophobic surface provided effective corrosion protection for the iron substrate, with an 84.63% increase in corrosion protection efficiency. The experimental results showed that the anti-bacterial ratios reached 90% for E. coli and 85% for S. epidermidis, while the anti-bacterial ratios of ordinary iron were only 8% for E. coli and 15% for S. epidermidis, respectively.

Superhydrophobic coating

Paint adhesion testing

Surface Modification

10.3390/ma15238634

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Citations (1)

Influence of sputtering power on composition, structure and electrical properties of RF sputtered CuIn1−Ga Se2 thin films

Applied Surface Science (2012)

Zhou Yu Chuanpeng Yan Tao Huang Wen Huang Yong Yan

10.1016/j.apsusc.2012.01.152

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Citations (44)