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Anti-aggregation growth and hierarchical porous carbon encapsulation enables the C@VO_(2) cathode with superior storage capability for aqueous zinc-ion batteries

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Journal of Energy Chemistry 2022年第4期31卷 645-654页

作者： Ming Yang yanyi wang Zhongwei Sun Hongwei Mi Shichang Sun Dingtao Ma Peixin Zhang College of Chemistry and Environmental Engineering Shenzhen UniversityShenzhen 518060GuangdongChina College of Materials Science and Engineering Xi’an University of Architecture and TechnologyXi’an 710055ShaanxiChina Shenzhen Hello Tech Energy Co. Ltd.Shenzhen 518100GuangdongChina Guangdong Engineering Technology Research Center for Distributed and Intelligent Small Solar Energy Storage Shenzhen 518100GuangdongChina

Self-aggregation and sluggish transport kinetics of cathode materials would usually lead to the poor electrochemical performance for aqueous zinc-ion batteries(AZIBs).In this work,we report the construction of C@VO_(2) composite via anti-aggregation growth and hierarchical porous carbon *** of the morphology of composite and pore structure of carbon layer can be regulated by tuning the adding amount of *** acting as cathode applied for AZIBs,the C@VO_(2)-3:3 composite can deliver a high capacity of 281 m Ah g^(-1) at 0.2 A g^(-1).Moreover,such cathode also exhibits a remarkably rate capability and cyclic stability,which can release a specific capacity of 195 m Ah g^(-1) at 5 A g^(-1) with the capacity retention of 95.4%after 1000 *** that,the evolution including the crystal structure,valence state and transport kinetics upon cycling were also deeply *** conclusion,benefited from the synergistic effect of anti-aggregation morphology and hierarchical porous carbon encapsulation,the building of such C@VO_(2) composite can be highly expected to enhance the ion accessible site,boost the transport kinetics and thus performing a superior storage *** design concept can be applied for other kinds of electrode materials and accelerating the development of highperformance AZIBs.

关键词： Aqueous zinc-ion batteries Anti-aggregation Hierarchical porous carbon encapsulation C@VO_(2)composite Storage mechanism

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An in-situ self-etching enabled high-power electrode for aqueous zinc-ion batteries

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Journal of Energy Chemistry 2024年第1期88卷 399-408,I0009页

作者： Shuang Hou Dingtao Ma yanyi wang Kefeng Ouyang Sicheng Shen Hongwei Mi Lingzhi Zhao Peixin Zhang College of Chemistry and Environmental Engineering Shenzhen UniversityShenzhen 518060GuangdongChina Guangdong Provincial Engineering Technology Research Center for Low Carbon and Advanced Energy Materials School of Semiconductor Science and TechnologySouth China Normal UniversityFoshan 528225GuangdongChina SCNU Qingyuan Institute of Science and Technology Innovation Co. Ltd.Qingyuan 511517GuangdongChina

Sluggish storage kinetics is considered as the main bottleneck of cathode materials for fast-charging aqueous zinc-ion batteries(AZIBs).In this report,we propose a novel in-situ self-etching strategy to unlock the Palm tree-like vanadium oxide/carbon nanofiber membrane(P-VO/C)as a robust freestanding *** investigations including the finite element simulation,in-situ X-ray diffraction,and in-situ electrochemical impedance spectroscopy disclosed it an electrochemically induced phase transformation mechanism from VO to layered Zn_(x)V_(2)O_5·nH_(2)O,as well as superior storage kinetics with ultrahigh pseudocapacitive *** demonstrated,such electrode can remain a specific capacity of 285 mA h g^(-1)after 100 cycles at 1 A g^(-1),144.4 mA h g^(-1)after 1500 cycles at 30 A g^(-1),and even 97 mA h g^(-1)after 3000 cycles at 60 A g^(-1),***,an impressive power density of 78.9 kW kg^(-1)at the super-high current density of 100 A g^(-1)also can be *** design concept of in-situ self-etching free-standing electrode can provide a brand-new insight into extending the pseudocapacitive storage limit,so as to promote the development of high-power energy storage devices including but not limited to AZIBs.

关键词： In-situ self-etching Free-standing electrode Pseudocapacitive storage High-power Zinc-ion batteries

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Photonics-based high-speed long-distance fiber-wireless-integration communication at the W-band

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Science China(Information Sciences) 2023年第2期66卷 277-278页

作者： Weiping LI Jianjun YU yanyi wang Feng wang Bowen ZHU Wen ZHOU Feng ZHAO Jianguo YU Key Laboratory for Information Science of Electromagnetic Waves (MoE) Fudan University School of Electronic Engineering Xi'an University of Posts and Telecommunications School of Electronic Engineering Beijing University of Posts and Telecommunications

With the early approach of 5G period, beyond 5G communication has become an urgent need in the industry. Because of its rich bandwidth, the W-band (75–110-GHz) millimeterwave (mm-wave) is capable of carrying ultra-high-speed signal [1–6]. Therefore, it is extremely competitive in the field of future beyond 5G communication. The feature of photonics-based W-band mm-wave generation technology is that it can effectively solve the problem of bandwidth limitation and electromagnetic interference in electronic devices.

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3D Artificial Array Interface Engineering Enabling Dendrite-Free Stable Zn Metal Anode

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Nano-Micro Letters 2023年第3期15卷 112-128页

作者： Jianbin Ruan Dingtao Ma Kefeng Ouyang Sicheng Shen Ming Yang yanyi wang Jinlai Zhao Hongwei Mi Peixin Zhang College of Chemistry and Environmental Engineering Shenzhen UniversityShenzhen 518060People’s Republic of China Institute of Microscale Optoelectronics Shenzhen UniversityShenzhen 518060People’s Republic of China College of of Materials Science and Engineering Shenzhen UniversityShenzhen 518060People’s Republic of China Guangdong Flexible Wearable Energy and Tools Engineering Technology Research Center Shenzhen 518060People’s Republic of China

The ripple effect induced by uncontrollable Zn deposition is considered as the Achilles heel for developing high-performance aqueous Zn-ion *** this problem,this work reports a design concept of 3D artificial array interface engineering to achieve volume stress elimination,preferred orientation growth and dendrite-free stable Zn metal *** mechanism of MXene array interface on modulating the growth kinetics and deposition behavior of Zn atoms were firstly disclosed on the multi-scale level,including the in-situ optical microscopy and transient simulation at the mesoscopic scale,in-situ Raman spectroscopy and in-situ X-ray diffraction at the microscopic scale,as well as density functional theory calculation at the atomic *** indicated by the electrochemical performance tests,such engineered electrode exhibits the comprehensive enhancements not only in the resistance of corrosion and hydrogen evolution,but also the rate capability and cyclic ***-rate performance(20 mA cm^(-2))and durable cycle lifespan(1350 h at 0.5 mA cm^(-2),1500 h at 1 mA cm^(-2)and 800 h at 5 mA cm^(-2))can be ***,the improvement of rate capability(214.1 mAh g^(-1)obtained at 10 A g^(-1))and cyclic stability also can be demonstrated in the case of 3D MXene array@Zn/*** the previous 2D closed interface engineering,this research offers a unique 3D open array interface engineering to stabilize Zn metal anode,the controllable Zn deposition mechanism revealed is also expected to deepen the fundamental of rechargeable batteries including but not limited to aqueous Zn metal batteries.

关键词： Aqueous Zn-ion batteries Volume stress 3D artificial array interface Controllable deposition Zn metal anode

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A Multifunctional Anti-Proton Electrolyte for High-Rate and Super-Stable Aqueous Zn-Vanadium Oxide Battery

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Nano-Micro Letters 2022年第9期14卷 272-289页

作者： Yangwu Chen Dingtao Ma Kefeng Ouyang Ming Yang Sicheng Shen yanyi wang Hongwei Mi Lingna Sun Chuanxin He Peixin Zhang College of Chemistry and Environmental Engineering Shenzhen UniversityShenzhen 518060People’s Republic of China Institute of Microscale Optoelectronics Shenzhen UniversityShenzhen 518060People’s Republic of China

Large volumetric expansion of cathode hosts and sluggish transport kinetics in the cathode–electrolyte interface,as well as dendrite growth and hydrogen evolution at Zn anode side are considered as the system problems that cause the electrochemical failure of aqueous Zn-vanadium oxide *** this work,a multifunctional anti-proton electrolyte was proposed to synchronously solve all those *** and experimental studies confirm that PEG 400 additive can regulate the Zn^(2+) solvation structure and inhibit the ionization of free water molecules of the ***,smaller lattice expansion of vanadium oxide hosts and less associated by-product formation can be realized by using such ***,such electrolyte is also beneficial to guide the uniform Zn deposition and suppress the side reaction of hydrogen *** to the integrated synergetic modifica-tion,a high-rate and ultrastable aqueous Zn-V_(2)O_(3)/C battery can be constructed,which can remain a specific capacity of 222.8 m Ah g^(-1)after 6000 cycles at 5 A g^(-1),and 121.8 m Ah g^(-1) even after 18,000 cycles at 20 A g^(-1),***“all-in-one”solution based on the electrolyte design provides a new strategy for developing high-performance aqueous Zn-ion battery.

关键词： Zn-vanadium oxide battery Multifunctional anti-proton electrolyte Integrated synergetic modification “All-in-one”solution

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Histone deacetylase 4 inhibits NF-κB activation by facilitating IκBα sumoylation

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Journal of Molecular Cell Biology 2020年第12期12卷 933-945页

作者： Qi Yang Jielin Tang Chonghui Xu He Zhao Yuan Zhou yanyi wang Min Yang Xinwen Chen Jizheng Chen Department of Gastroenterology Guangzhou Women and Children's Medical CenterGuangzhou 510623China State Key Laboratory of Virology Wuhan Institute of VirologyCenter for Biosafety Mega-ScienceChinese Academy of SciencesWuhan 430071China University of Chinese Academy of Sciences Beijing 100049China Guangzhou Institutes of Biomedicine and Health Chinese Academy of SciencesGuangzhou 510530China

Protein modification by small ubiquitin-like modifier(SUMO)is an important regulatory mechanism for multiple cellular *** the canonical pathway involving the ubiquitylation or phosphorylation of IκBα has been well characterized,little is known about the sumoylation of IkBa in the control of NF-κB ***,we find that histone deacetylase 4(HDAC4)negatively regulates tumor necrosis factor-alpha-or lipopolysaccharide-triggered NF-κB ***4 belongs to the SUMO E3 ligase family and can directly sumoylate IκBα.The cytoplasm location of HDAC4 is essential for IκBα*** Cys292 of HDAC4 is a key site for its SUMO E3 ligase *** sumoylation of IkBc prevents its polyubiquitination and degradation be-cause these two modifications occur both at the *** findings reveal a previously undiscovered role for HDAC4 in the inflammatory response as a SUMO E3 ligase for IκBα*** work provides insight into mechanisms ensuring optimal mediation of the NF-κB pathway.

关键词： histone deacetylase 4 sumoylation IκBα NF-κB SUMO E3 ligase

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352-Gbit/s single line rate THz wired transmission based on PS-4096QAM employing hollow-core fiber

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Digital Communications and Networks 2023年第3期9卷 717-722页

作者： Junjie Ding Yuxuan Tan yanyi wang Jiao Zhang Menghui He Feng Zhao Li Zhao Wen Zhou Yiwei Shi Min Zhu Jianjun Yu Key Laboratory for Information Science of Electromagnetic Waves(MOE) Fudan UniversityShanghaiChina Purple Mountain Laboratories NanjingJiangsuChina Xian University of Posts and Telecommunications XianShanxiChina

We successfully demonstrate 32-Gbaud Probabilistically Shaped 4096-ary Quadrature Amplitude Modulation(PS-4096QAM)TeraHertz(THz)signal wired transmission at 325 GHz over the 1-m Hollow-Core Fiber(HCF)in a photon-assisted THz-wave communication *** employing advanced Digital Signal Processing(DSP)and the PS technique,the 352-Gbit/s line rate(288-Gbit/s net rate)delivery with a net Spectral Efficiency(SE)of 9 bit/s/Hz is realized in the experiment,satisfying the 0.86-Normalized Generalized Mutual Information(NGMI)Low-Density Parity-Check(LDPC)threshold.

关键词： Hollow-core fiber Terahertz-wave communication Photonics-aided scheme Probabilistic shaping

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Photonics-aided THz-wireless transmission over 400 m at 335 GHz

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Science China(Technological Sciences) 2022年第12期65卷 3082-3084页

作者： LI WeiPing YU JianJun ZHU BoWen wang Feng TAN YuXuan wang yanyi ZHU Min ZHANG Jiao ZHOU Wen ZHAO Feng YU JianGuo Key Laboratory for Information Science of Electromagnetic Waves(MoE) Fudan UniversityShanghai 200433China Purple Mountain Laboratories Nanjing 211111China School of Electronic Engineering Xi’an University of Posts and TelecommunicationsXi’an 710121China School of Electronic Engineering Beijing University of Posts and TelecommunicationsBeijing 100876China

The terahertz(THz)band(0.3–10 THz),with abundant bandwidth,can satisfy the need for large-capacity transmission of fiber-wireless integration communication systems,which has attracted more and more attention[1–3].

关键词： wireless fiber communication

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Host HDAC4 regulates the antiviral response by inhibiting the phosphorylation of IRF3

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Journal of Molecular Cell Biology 2019年第2期11卷 158-169页

作者： Qi Yang Jielin Tang Rongjuan Pei XiaoXiao Gao Jing Guo Chonghui Xu Yun wang Qianwang Chunchen Wu Yuan Zhou Xue Hu He Zhao yanyi wang Xinwen Chen Jizheng Chen State Key Laboratory of Virology Wuhan Institute of Virology Chinese Academy of Sciences Wuhan 430071 China University of Chinese Academy of Sciences Beijing 100049 China Key Laboratory of Human Functional Genomics of Jiangsu Province School of Basic Medical Science Nanjing Medical University Nanjing 210093 China

Class II HDACs, such as HDAC4, are critical regulators of the immune response in various immune cells;however, its role in innate immunity remains largely ***, we report that the overexpression of HDAC4 suppresses the production of type I interferons triggered by pattern-recognition receptors (PRRs). HDAC4 repressed the translocation of transcription factor IRF3 to the nucleus, thereby decreasing IRF3-mediated IFN-β expression. In particular, we also determined that HDAC4 can be phosphorylated and simultaneously block the phosphorylation of IRF3 at Ser386 and Ser396 by TBK1 and IKKε, respectively, by interacting with the kinase domain of TBK1 and IKKε. Furthermore, IFN-β may stimulate the expression of HDAC4. Our findings suggest that HDAC4 acts as a regulator of PRR signaling and is a novel mechanism of negative feedback regulation for preventing an overreactive innate immune response.

关键词： HDAC4 antiviral response IRF3 TBK1 IKKε

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Photonic aided vector millimeter-wave signal generation without digital-to-analog converter

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Chinese Optics Letters 2021年第1期19卷 19-23页

作者： yanyi wang Kaihui wang Wen Zhou Jianjun Yu Shanghai Institute for Advanced Communication and Data Science Key Laboratory for Information Science of Electromagnetic WavesFudan UniversityShanghai 200433China5

A novel scheme of photonic aided vector millimeter-wave(mm-wave)signal generation without a digital-to-analog converter(DAC)is *** on our scheme,a 20 Gb/s 4-ary quadrature amplitude modulation(4-QAM)mm-wave signal is generated without using a *** experiment results demonstrate that the bit error rate(BER)of 20 Gb/s 4-QAM mmwave signal can reach below the hard-decision forward-error-correction threshold after a delivery over 1 m wireless *** the DAC is not required,it can reduce the system ***,by using photonic technology,the system is easily integrated to create large-scale production and application in high-speed optical communication.

关键词： photonic aiding millimeter-wave digital-to-analog converter

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