Search results for: Deyi Li

Items from 1 to 20 out of 116 results

article

Honeycomb networks of boron nitride/nanodiamond with interlocking interfaces enhance the application reliability of silicone rubber thermal conductivity composites

Haitao Liu, Jueke Hu, Wulin Yang, Jiajun Zhu, more

Polymer Composites > 45 > 10 > 9064 - 9078

The three‐dimensional (3D) boron nitride (BN) thermal conductive networks, crafted through layer‐by‐layer assembly, hold tremendous potential for the development of insulating thermal interface materials (TIMs) with exceptional thermal conductivity. Nevertheless, maintaining the thermal conductive stability of this structure type during application remains a considerable challenge. Herein, initially,...

article

Controllability analysis for a class of linear quadratic conformable fractional game‐based control systems

Junshuang Zhou, Deyi Li, Guici Chen, Xianjia Wang

Asian Journal of Control > 25 > 6 > 4337 - 4349

Controllability analysis for a class of linear quadratic conformable fractional game‐based control systems (CFGBCSs) is investigated in this article. Supported by the definition and property of conformable fractional, the payoff function for linear quadratic CFGBCSs is proposed, and Nash equilibrium solution is obtained via variational method for Hamilton function correspondingly. Subsequently, the...

article

Flexible and thermal conductive poly (vinylidene fluoride) composites with silver decorated hexagonal boron nitride/silicon carbide hybrid filler

Lanlan Hu, Wulin Yang, Jiajun Zhu, Licai Fu, more

Polymer Composites > 43 > 6 > 3960 - 3970

In this work, a novel thermal conductive and electrical insulation composite paper fabricated through doctor‐blading followed by hot‐pressing was reported. Specifically, by loading silver nanoparticles (AgNPs) on the surface of boron nitride nanosheets (BNNS) and silicon carbide wires (SiCw), the BNNS and SiCw were bridged through the sintered AgNPs to form a heat conduction path. The results indicate...

article

Thermal Stability of Nanocrystalline NiS₂ as High Specific Capacity Thermal Battery Cathode Material

Wenju Yang, Lingping Zhou, Zeshunji Luo, Jiajun Zhu, more

Advanced Engineering Materials > 22 > 12 > n/a - n/a

Nanocrystallization can shorten the Li⁺ transport distance, resulting in the enhancement of electrochemical activity for cathode materials. However, nanocathode materials tend to be thermally unstable, further leading to poor electrochemical performance of a battery system. This disadvantage can be especially detrimental for thermal batteries because they are often operated at high temperatures (≥450...

article

Challenges and countermeasures of interaction in autonomous vehicles

Deyi Li, Meng Liu, Fei Zhao, Yu Liu

Science China Information Sciences > 2019 > 62 > 5 > 1-3

article

In situ fluorine doped ZrO_2−x nanotubes for efficient visible light photocatalytic activity

Qingling Chen, Wulin Yang, Jiajun Zhu, Licai Fu, more

Journal of Materials Science: Materials in Electronics > 2019 > 30 > 1 > 701-710

The F-doped ZrO_2−x nanotubes are synthesized by anodic oxidization in a F-containing electrolyte and following a low temperature annealing process. The F-doped ZrO_2−x nanotubes exhibit a dramatic increase in visible light absorption and efficient visible light photocatalytic activity which are not possessed to normalized ZrO₂. The fluorine in anodic ZrO₂ nanotubes plays a vital role in the formation...

article

Design and synthesis of novel 6-hydroxy-4-methoxy-3-methylbenzofuran-7-carboxamide derivatives as potent Mnks inhibitors by fragment-based drug design

Shuxiang Wang, Bo Li, Bo Liu, Min Huang, more

Bioorganic & Medicinal Chemistry > 2018 > 26 > 16 > 4602-4614

A novel series of 6-hydroxy-4-methoxy-3-methylbenzofuran-7-carboxamide derivatives featured with various C-2 substituents were designed and synthesized as Mnks inhibitors through fragment-based drug design. Among them, 5b, 5i, 5o and 8k showed the best Mnk2 inhibitory activity with IC₅₀ values of 1.45, 1.16, 3.55 and 0.27 μM, respectively. And these compounds inhibited the activity of Mnk1 at the...

article

Electrochemical properties of carbon-wrapped FeF3 nanocomposite as cathode material for lithium ion battery

Jia Li, Licai Fu, Zhanwei Xu, Jiajun Zhu, more

Electrochimica Acta > 2018 > 281 > C > 88-98

Iron fluorides have drawn much attention in Li-ion batteries due to high theoretical capacity. However, its application progress is hampered by the inferior electrode cyclability and rate capability. The main issue in this work is to find effective ways to improve the electrochemical activity of iron fluoride (FeF₃), and enhance the electrochemical properties. Herein, carbon wrapped FeF₃ nanocomposite...

article

Preparation of highly-ordered lanthanum hexaboride nanotube arrays and optimizing its field emission property by ion bombardment post-treatment

Songjiao Chen, Wulin Yang, Jiajun Zhu, Licai Fu, more

Journal of Materials Science: Materials in Electronics > 2018 > 29 > 12 > 10008- 10015

Large scale, highly-ordered and vertically aligned lanthanum hexaboride (LaB₆) nanotube arrays were prepared by DC magnetron sputtering deposition LaB₆ on ultra-thin anodic aluminum oxide (AAO) substrates. The LaB₆ nanotube arrays that were 210 nm in diameter and 620 nm in height haven’t collapsed and aggregated after the AAO templates have been removed by wet etching. After that, LaB₆ nanotube arrays...

article

Regulating interface adhesion and enhancing thermal conductivity of diamond/copper composites by ion beam bombardment and following surface metallization pretreatment

Jianquan Sang, Wulin Yang, Jiajun Zhu, Licai Fu, more

Journal of Alloys and Compounds > 2018 > 740 > C > 1060-1066

A new pretreatment process, namely, Ar⁺ ion beam bombardment and following deposition of a tungsten coating layer on diamond particles for fabricating diamond/copper composites is proposed in this paper. The composites are fabricated by infiltration method, and exhibited excellent thermal properties. Composition of the tungsten coated diamond particles is characterized by the Micro-XRD to investigate...

article

Self-assembled metal nano-multilayered film prepared by co-sputtering method

Tianle Xie, Licai Fu, Wen Qin, Jiajun Zhu, more

Applied Surface Science > 2018 > 435 > C > 16-22

Nano-multilayered film is usually prepared by the arrangement deposition of different materials. In this paper, a self-assembled nano-multilayered film was deposited by simultaneous sputtering of Cu and W. The Cu/W nano-multilayered film was accumulated by W-rich layer and Cu-rich layer. Smooth interfaces with consecutive composition variation and semi-coherent even coherent relationship were identified,...

article

Tribological properties of self-lubricating Ta-Cu films

Wen Qin, Licai Fu, Jiajun Zhu, Wulin Yang, more

Applied Surface Science > 2018 > 435 > C > 1105-1113

In this paper, Ta and TaCu films were deposited by using magnetron sputtering, and the tribological properties of the films against Si₃N₄ balls were investigated under the loads of 2 N and 5 N. The average grain sizes of both films are below 25 nm. Ta and TaCu films have approximate hardness. While the wear rate of TaCu film is much smaller than that of Ta film. Post-wear testing XRD, Raman and XPS...

article

Overcoming selective interfacial bonding and enhancing thermal conductivity of diamond/aluminum composite by an ion bombardment pretreatment

Wulin Yang, Jianquan Sang, Lingping Zhou, Kun Peng, more

Diamond and Related Materials > 2018 > 81 > C > 127-132

Low energy Ar⁺ ion beam bombardment is adopted as a pretreatment process of diamond particles for fabricating diamond/aluminum composite. We demonstrate that the combined effects of higher defect density and concentration of oxygen functional groups on diamond {100} plane lead to a selective interfacial bonding in the raw diamond/aluminum composites. It limits the thermal transfer performance of the...

chapter

Design Scheme of a New Highway Toll Square

Tinglong Gu, Deyi Li, Mao Zhang, Xiaofang Li

2017 9th International Conference on Intelligent Human-Machine Systems and Cybernetics (IHMSC) > 1 > 394 - 397

2017 9th International Conference on Intelligent Human-Machine Systems and Cybernetics (IHMSC)

Highway toll square traffic capacity has always been the focus of attention. In this article, in order to reduce the construction costs and increase traffic efficiency, a new design of highway toll square has been proposed. The land cover and use efficiency is used to calculate the construction costs. Then, we compare the data obtained by simulation software, such as the vehicle throughput, the vehicle...

article

Merits and limitations of TiO₂-based photocatalytic pretreatment of soils impacted by crude oil for expediting bioremediation

Yu Yang, Hassan Javed, Danning Zhang, Deyi Li, more

Frontiers of Chemical Science and Engineering > 2017 > 11 > 3 > 387-394

Heavy hydrocarbons (HHCs) in soils impacted by crude oil spills are generally recalcitrant to biodegradation due to their low bioavailability and complex chemical structure. In this study, soils were pretreated with varying concentrations of ultraviolet radiation A (UVA) or ultraviolet radiation C (UVC) activated titanium dioxide (TiO₂) (1%–5%) under varying moisture conditions (0%–300% water holding...

article

Abnormal hardness behavior of Cu-Ta films prepared by magnetron sputtering

Wen Qin, Licai Fu, Tianle Xie, Jiajun Zhu, more

Journal of Alloys and Compounds > 2017 > 708 > C > 1033-1037

The microstructure, nanoindentation hardness of the sputtering deposited Cu-Ta films were investigated. Because of high hardness of Ta, the hardness of Cu-Ta films increases with Ta content, except for a platform in the range of 20 at.% ∼60 at.% Ta that being related to the amorphous structure. This abnormal behavior presents that the hardness of Cu-Ta films is independent of alloy elemental content...

article

The acceleration intermediate phase (NiS and Ni3S2) evolution by nanocrystallization in Li/NiS2 thermal batteries with high specific capacity

Chuanyu Jin, Lingping Zhou, Licai Fu, Jiajun Zhu, more

Journal of Power Sources > 2017 > 352 > C > 83-89

The intermediate phase of NiS₂ is thought to be a bottleneck currently to improve the overall performance of Li/NiS₂ thermal batteries because of its low conductivity and close formation enthalpy between NiS₂ and the intermediate phase (NiS, Ni₃S₂, etc). For improving the discharge performances of Li/NiS₂ thermal batteries, the nano NiS₂ with an average size of 85 ± 5 nm is designated as a cathode...

article

Semi-supervised convex nonnegative matrix factorizations with graph regularized for image representation

Guopeng Li, Xinyu Zhang, Siyi Zheng, Deyi Li

Neurocomputing > 2017 > 237 > C > 1-11

Non-negative matrix factorization (NMF) is a very effective method for high dimensional data analysis, which has been widely used in computer vision. It can capture the underlying structure of image in the low dimensional space using its parts-based representations. However, nonnegative entries are usually required for the data matrix in NMF, which limits its application. Besides, it is actually an...

article

Tribological properties of surface nanocrystalline martensite steel in vacuum

Licai Fu, Pin Tan, Jiajun Zhu, Wulin Yang, more

Tribology International > 2017 > 109 > C > 246-251

The tribological properties of martensite steel with different grain sizes in vacuum was studied. The surface nanocrystalline martensite steel exhibited lower wear rate but higher friction coefficient than corresponding coarse grained steel in vacuum. The results presented that the tribo-oxidation has been effectively restricted in vacuum. Therefore the mechanical behavior was the main factor of the...

article

Synthesis and discharge performances of NiCl2 by surface modification of carbon coating as cathode material of thermal battery

Chuanyu Jin, Lingping Zhou, Licai Fu, Jiajun Zhu, more

Applied Surface Science > 2017 > 402 > C > 308-313

The high solubility in molten salt and low conductivity of NiCl₂, compared with traditional FeS₂ and CoS₂, have become the restrictions for its extensive application in cathode materials of thermal batteries. In this study, carbon coated NiCl₂ cathode is successfully fabricated by the carbonization of stearic acid. The high specific energy of 641Whkg⁻¹ at current densities of 0.5Acm⁻² are observed...

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INFONA - science communication portal

Search results for: Deyi Li

Honeycomb networks of boron nitride/nanodiamond with interlocking interfaces enhance the application reliability of silicone rubber thermal conductivity composites

Controllability analysis for a class of linear quadratic conformable fractional game‐based control systems

Flexible and thermal conductive poly (vinylidene fluoride) composites with silver decorated hexagonal boron nitride/silicon carbide hybrid filler

Thermal Stability of Nanocrystalline NiS₂ as High Specific Capacity Thermal Battery Cathode Material

Challenges and countermeasures of interaction in autonomous vehicles

In situ fluorine doped ZrO_2−x nanotubes for efficient visible light photocatalytic activity

Design and synthesis of novel 6-hydroxy-4-methoxy-3-methylbenzofuran-7-carboxamide derivatives as potent Mnks inhibitors by fragment-based drug design

Electrochemical properties of carbon-wrapped FeF3 nanocomposite as cathode material for lithium ion battery

Preparation of highly-ordered lanthanum hexaboride nanotube arrays and optimizing its field emission property by ion bombardment post-treatment

Regulating interface adhesion and enhancing thermal conductivity of diamond/copper composites by ion beam bombardment and following surface metallization pretreatment

Self-assembled metal nano-multilayered film prepared by co-sputtering method

Tribological properties of self-lubricating Ta-Cu films

Overcoming selective interfacial bonding and enhancing thermal conductivity of diamond/aluminum composite by an ion bombardment pretreatment

Design Scheme of a New Highway Toll Square

Merits and limitations of TiO₂-based photocatalytic pretreatment of soils impacted by crude oil for expediting bioremediation

Abnormal hardness behavior of Cu-Ta films prepared by magnetron sputtering

The acceleration intermediate phase (NiS and Ni3S2) evolution by nanocrystallization in Li/NiS2 thermal batteries with high specific capacity

Semi-supervised convex nonnegative matrix factorizations with graph regularized for image representation

Tribological properties of surface nanocrystalline martensite steel in vacuum

Synthesis and discharge performances of NiCl2 by surface modification of carbon coating as cathode material of thermal battery

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