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Dielectric-ion-conductive ZnNb2O6 layer enabling rapid desolvation and diffusion for dendrite-free Zn metal batteries

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Journal of Energy Chemistry 2025年第1期100卷 693-701页

作者： Haifeng Yang Jian Wang Panpan Zhang Xiaomin Cheng Qinghua Guan Jing Dong Bixian Chen Lujie Jia Jing Zhang Yongzheng Zhang Yunjian Liu Hongzhen Lin School of Materials science and Engineering Jiangsu University i-Lab & CAS Key Laboratory of nanophotonic Materials and Devices Suzhou Institute of Nano-Tech and Nano-Bionics Chinese Academy of Sciences Helmholtz Institute Ulm (HIU) Karlsruhe Institute of technology (KIT) School of Materials science and Engineering Xi'an University of Technology State Key Laboratory of Chemical Engineering East China University of Science and Technology

Rechargeable aqueous zinc-metal batteries （AZMBs） are promising candidates for large-scale energy storage systems due to their low cost and high ***,their performance and sustainability are significantly hindered by the sluggish desolvation kinetics at the electrode/electrolyte interface and the corresponding hydrogen evolution reaction where active water molecules tightly participate in the Zn（H2O）62+solvation ***,learnt from self-generated solid electrolyte interphase （SEI） in anodes,the dielectric but ion-conductive zinc niobate nanoparticles artificial layer is constructed on metallic Zn surface （ZNB@Zn）,acting as a rapid desolvation *** zincophilic and dielectric-conductive properties of ZNB layer accelerate interfacial desolvation/diffusion and suppress surface corrosion or dendrite formation,achieving uniform Zn plating/stripping behavior,as confirmed by electronic/optical microscopies and interface spectroscopical measurements together with theoretical ***,the as-prepared ZNB@Zn electrode exhibits excellent cycling stability of over 2000 h and robust reversibility （99.54%） even under high current density and depth of discharge ***,the assembled ZNB@Zn-based full cell displays high capacity-retention rate of 80.21%after 3000 cycles at 5 A g-1and outstanding rate performance up to 10 A *** large-areal pouch cell is stabilized for hundreds of cycles,highlighting the bright prospects of the dielectric but ion-conductive layer in further application of AZMBs.

关键词： Zn metal battery Dielectric artificial layer Rapid ion diffusion Zincophilic diffusion Active water inhibition

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A novel active-passive protection strategy endows carbonyl iron with excellent intelligent anti-corrosion and microwave absorption dual functional characteristics

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nano Research 2025年第1期18卷 487-500页

作者： Wei Tian Quanyuan Feng Linbo Zhang Yinfan Liu Xian Jian Longjiang Deng Institute of Microelectronics School of Information Science and TechnologySouthwest Jiaotong UniversityChengdu 611756China National Engineering Researching centre of Electromagnetic Radiation Control Materials Key Laboratory of Multi-Spectral Absorbing Materials and Structures of Ministry of EducationState Key Laboratory of Electronic Thin Films and Integrated DevicesSchool of Electronic Science and EngineeringUniversity of Electronic Science and Technology of ChinaChengdu 611731China School of Materials and Energy University of Electronic Science and Technology of ChinaChengdu 611731China The Yangtze Delta Region Institute(Huzhou)&School of Electronic science and Engineering University of Electronic Science and Technology of ChinaHuzhou 313001China

Carbonyl iron absorbers(CI)face significant challenges in practical applications,such as corrosion,interface bonding failure,detachment,and high maintenance ***,we have developed intelligent self-healing technology based on proactive/passive mechanisms via in situ synthesis of self-healing factors(polydopamine/benzotriazole(PDA/BTA))and physical barrier layers(SiO_(2)/1,1,1,3,3,3-hexamethyl disilazane,SiO_(2)/HMDS)to enhance corrosion resistance,while also being compatible with efficient microwave absorption *** unique multiscale structure gives full play to the utilization of the roles of each functional layer,including the intelligent self-healing features of PDA/BTA,physical shielding and spatial confinement characteristics of SiO_(2)/HMDS,and magnetic-dielectric synergistic mechanism resulted from the good impedance matching characteristics,the conduction loss,the interfacial polarization loss and natural *** asfabricated composites achieved an exceptional minimum reflection loss value of-55.4 dB at 10.7 GHz and the effective absorption band of 7.6 ***,it still exhibits obvious self-healing and corrosion resistance characteristics after 360 h corrosion treatment,ascribed to the self-healing mechanism of PDA/BTA and the blocking intervention effect of SiO_(2)/*** work is considered to pave the way for the synthesis of high-performance magnetic absorbers,especially in enhancing their intelligent self-healing ability in corrosive environments.

关键词： microwave absorption intelligent self-healing technology carbonyl iron multiscale structure magneticdielectric synergistic mechanism

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2D phosphides heterostructures on titanium microfiltration membrane for enhanced ampere-level current density overall seawater splitting

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nano Research 2025年第1期18卷 249-259页

作者： Wenjing Dai Xin Wang Yulong Ma Sisi He Ming Chen Zhaohui Yin Shuheng Tian Maolin Wang Shixiang Yu Hang Zhang Yuanzhe Wang Hong Wang Jianxin Li Faming Gao Bowen Cheng Yun Wang Zhen Yin Ding Ma Tianjin Key Laboratory of Brine Chemical Engineering and Resource Eco-utilization College of Chemical Engineering and Materials ScienceTianjin University of Science and TechnologyTianjin 300457China State Key Laboratory of Biobased Fiber Manufacturing technology Tianjin University of Science and TechnologyTianjin 300457China Haian Institute of High-Tech Research Nanjing UniversityHaian 226600China Beijing National Laboratory for Molecular sciences College of Chemistry and Molecular EngineeringPeking UniversityBeijing 100871China State Key Laboratory of Separation Membranes and Membrane Processes Separation Membrane Science and Technology International Joint Research CentreTiangong UniversityTianjin 300387China centre for Catalysis and Clean Energy School of Environment and ScienceGold Coast CampusGriffith UniversitySouthportQueensland 4222Australia

The advancement of direct seawater electrolysis is a significant step towards sustainable hydrogen production,addressing the critical need for renewable energy sources and efficient resource ***,direct seawater electrolysis has to face several challenges posed by the corrosiveness of highly concentrated chloride and the competitive chlorine evolution reaction(ClER).To overcome these issues,we designed a novel NiP_(2)@CoP electrocatalyst on a porous titanium microfiltration(Ti MF)*** obtained bifunctional NiP_(2)@CoP catalyst outperforms the Pt/C and IrO_(2),as evidenced by its low overpotentials of 192 and 425 mV at a current density of 500 mA·cm^(-2) for hydrogen evolution reaction(HER)and oxygen evolution reaction(OER)in alkaline seawater(1 M KOH+0.5 M NaCl),***,only 231 and 569 mV overpotentials are required at the current density of 1500 mA·cm^(-2) towards HER and OER in alkaline seawater,*** importantly,no ClER was observed,demonstrating its excellent selectivity to *** selection of porous Ti MF membrane as an electrode substrate further enhances the performance by providing a robust structure that promotes the fast generation and release of gas *** promising outcomes obtained with NiP_(2)@CoP catalysts on Ti MF support,therefore,pave the way for the commercial viability of direct seawater electrolysis technologies at industrial-level current densities.

关键词： direct seawater electrolysis porous titanium microfiltration membrane phosphides heterostructures NiP_(2)@CoP electrocatalyst excellent selectivity to oxygen evolution reaction(OER)

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Biomimetic Superlyophobic Metallic Surfaces: Focusing on Their Fabrication and Applications

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Journal of Bionic Engineering 2020年第1期17卷 1-33页

作者： Zhongxu Lian Jinkai Xu Zuobin Wang Huadong Yu Ministry of Education Key Laboratory for Cross-scale Micro and nano Manufacturing Changchun University of Science and TechnologyChangchun 130022China International Research centre for nano Handling and Manufacturing of China Changchun University of Science and TechnologyChangchun 130022China

Metals are indispensable engineered materials for day-to-day *** focused on metallic surfaces with superlyophobicity(superhydrophobicity,superoleophobicity,underwater superoleophobicity and slippery characteristic)have attracted much attention *** is a magician that gives each organic life a unique *** have created a large number of biomimetic superlyophobic metallic surfaces through various *** biomimetic superlyophobic metallic surfaces exhibit advantages in many applications,such as self-cleaning,corrosion resistance,anti-icing,and drag *** this review,the specific fabrication and applications of biomimetic superlyophobic metallic surfaces were *** remaining challenges and future outlook of biomimetic superlyophobic metallic surfaces were preliminarily *** is hoped that the review will be essential for broadening the scope of potential applications of metals and providing a powerful reference for future research on metal-based advanced functional materials.

关键词： biomimetic metallic surfaces superhydrophobicity superoleophobicity underwater superoleophobicity slippery characteristic

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Hierarchical hollow microspheres assembled from carbon nanosheets integrated with molybdenum carbide nanoparticles for boosting microwave absorption properties

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nano Research 2025年第1期18卷 10-20页

作者： Zongsheng Chen Yahui Wang Yi Liu Zhigang Li Xiangyin Lv Liping Liu Yajing Chang Jiaming Shi Xiao Zhang State Key Laboratory of Pulsed Power Laser technology School of Electronic EngineeringNational University of Defense TechnologyHefei 230037China Anhui Provincial Laboratory of Advanced Laser technology School of Electronic EngineeringNational University of Defense TechnologyHefei 230037China centre for Environmental and Energy nanomaterials Anhui Key Laboratory of Nanomaterials and NanotechnologyCAS Centre for Excellence in NanoscienceInstitute of Solid State PhysicsHefei Institutes of Physical ScienceChinese Academy of SciencesHefei 230031China

Hierarchical hollow structure has demonstrated potential for enhancing electromagnetic(EM)attenuation and improving impedance matching,garnering significant attention for ***,we have successfully implemented compositional and structural engineering to fabricate hollow Mo2C/C microspheres with controllable composition by coupling interaction between dopamine hydrochloride and ammonium *** the synergistic effect of composition and hollow structure,the strongest reflection loss intensity and broadest effective absorption of the optimized sample reach-70.2 dB and 6.2 GHz,*** formation of hollow heterogeneous structures not only favors impedance matching feature,but also generates considerable contribution to EM attenuation ***,radar cross-section simulation data indicate that hollow Mo2C/C microspheres with compositional optimization and heterogeneous structures have broad prospects for practical applications.

关键词： electromagnetic absorption Mo2C/C microwave absorption hollow structure

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Prussian Blue Analogue‑Templated nanocomposites for Alkali‑Ion Batteries:Progress and Perspective

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nano-Micro Letters 2025年第1期17卷 216-261页

作者： Jian‑En Zhou Yilin Li Xiaoming Lin Jiaye Ye Key Laboratory of Theoretical Chemistry of Environment Ministry of EducationSchool of ChemistrySouth China Normal UniversityGuangzhou 510006People’s Republic of China School of Chemistry and Physics Faculty of ScienceQueensland University of Technology2 George StreetBrisbaneQLD 4000Australia centre for Materials science Queensland University of Technology2 George StreetBrisbaneQLD 4000Australia

Lithium-ion batteries(LIBs)have dominated the portable electronic and electrochemical energy markets since their commercialisation,whose high cost and lithium scarcity have prompted the development of other alkali-ion batteries(AIBs)including sodium-ion batteries(SIBs)and potassium-ion batteries(PIBs).Owing to larger ion sizes of Na^(+)and K^(+)compared with Li^(+),nanocomposites with excellent crystallinity orientation and well-developed porosity show unprecedented potential for advanced lithium/sodium/potassium *** enticing open rigid framework structures,Prussian blue analogues(PBAs)remain promising self-sacrificial templates for the preparation of various nanocomposites,whose appeal originates from the well-retained porous structures and exceptional electrochemical activities after thermal *** review focuses on the recent progress of PBA-derived nanocomposites from their fabrication,lithium/sodium/potassium storage mechanism,and applications in AIBs(LIBs,SIBs,and PIBs).To distinguish various PBA derivatives,the working mechanism and applications of PBA-templated metal oxides,metal chalcogenides,metal phosphides,and other nanocomposites are systematically evaluated,facilitating the establishment of a structure–activity correlation for these *** on the fruitful achievements of PBA-derived nanocomposites,perspectives for their future development are envisioned,aiming to narrow down the gap between laboratory study and industrial reality.

关键词： Prussian blue analogues Self-sacrificial template Lithium-ion batteries Sodium-ion batteries Potassium-ion batteries

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Research Progress on Corrosion Resistance of Magnesium Alloys with Bio-inspired Water-repellent Properties:A Review

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Journal of Bionic Engineering 2021年第4期18卷 735-763页

作者： Jinkai Xu Qianqian Cai Zhongxu Lian Zhanjiang Yu Wanfei Ren Huadong Yu Key Laboratory for Cross-scale Micro and nano Manufacturing Changchun University of Science and TechnologyChangchun 130022China

Thanks to its excellent mechanical properties,magnesium alloys have many potential applications in the aerospace and other ***,failure to adequately solve corrosion problems of magnesium alloy becomes one of the factors restricting its wide use in many industrial *** by nature,researchers designed and fabricated bio-inspired water-repellent(superhydrophobic and slippery liquid-infused porous surface)surfaces with special wetting properties by exploring the surface microstructures of plants and animals such as lotus leaf and nepenthes pitcher,exhibiting excellent corrosion-resistant *** article summarizes the research progress on corrosion resistance of magnesium alloys with bio-inspired water-repellent properties in recent *** mainly introduces the corrosion reasons,types of corrosion of magnesium alloys,and the preparation of magnesium alloys with bio-inspired water-repellent properties to improve corrosion *** particular,it is widely used and effective to construct water-repellent and anti-corrosion coating on the surface of magnesium alloy by surface *** is hoped that the research in this review can broaden the application range of magnesium alloys and provide a powerful reference for the future research on corrosion resistance of magnesium alloys.

关键词： magnesium alloy bio-inspired water-repellent corrosion resistance superhydrophobic slippery liquid-infused porous surface research progress

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Multiplexed imaging detection of live cell intracellular changes in early apoptosis with aggregation-induced emission fluorogens

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science China Chemistry 2018年第8期61卷 892-897页

作者： Yabin Zhou Haixiang Liu Na Zhao Zhiming Wang Michael Z.Michael Ni Xie Ben Zhong Tang Youhong Tang Faculty of Biological Engineering Sichuan University of Science and Engineering Department of Chemistry the Hong Kong University of Science and Technology centre for nano scale science and technology College of Science and Engineering Flinders University Department of Gastroenterology and Hepatology Flinders Centre for Innovation in Cancer Flinders University AIEgen Biotech Co. Limited

Apoptosis is an important process for maintaining tissue homeostasis and eliminating abnormal cells in multicellular *** in apoptosis often leads to severe diseases such as cancers. Better understanding of its mechanisms and processes is therefore important. Accompanying molecular biology events of apoptosis is a series of cellular morphology changes: nucleus condensation, cell shrinkage and rounding, cell surface blebbing, dynamic blebbing, apoptotic membrane protrusions and nucleus fragmentations and finally, the formation and release of apoptotic bodies. It is difficult to detect cellular changes in the early phase of apoptosis due to the subtle changes at this phase. In the current study, we induced apoptosis in He La cells with H2 O2 and used nuclear dye Hoechst 33258, mitochondria, lysosome and cytoplasmic protein specific aggregation-induced emission fluorogens(AIEgens), TPE-Ph-In, 2 M-DABS and BSPOTPE to successfully perform live cell multiplexed imaging to investigate early apoptosis cellular events. We showed the gradual dissipation of mitochondria membrane potential until it is nondetectable by TPE-Ph-In. Increased mitophagy detected by TPE-Ph-In and 2 M-DABS, condensed nucleus detected by Hoechst33258, increased permeability and/or reduced integrity of nuclear membrane, and increased intracellular vesicles detected by2 M-DABS are some of the early events of apoptosis.

关键词： apoptosis multiplexed imaging He La aggregation-induced emission fluorogens(AIEgens)

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Electrospun MgO/Nylon 6 Hybrid nanofibers for Protective Clothing

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nano-Micro Letters 2014年第1期6卷 46-54页

作者： Nattanmai Raman Dhineshbabu Gopalu Karunakaran Rangaraj Suriyaprabha Palanisamy Manivasakan Venkatachalam Rajendran centre for nano science and technology K.S. Rangasamy College of Technology

Magnesia(MgO) nanoparticles were produced from magnesite ore(MgCO3) using ball mill. The crystalline size, morphology and specific SSA were characterized by X-ray diffraction analysis, transmission electron microscopy and Brunauer-Emmett-Teller method, respectively. MgO nanoparticle-incorporated nylon6 solutions were electrospun to produce nanofiber mats. Surface morphology and internal structure of the prepared hybrid nanofiber mats were examined by scanning electron microscopy and high-resolution transmission electron microscopy, respectively. The fire retardancy and antibacterial activity(Staphylococcus aureus and Escherichia coli) of coated fabrics made from MgO/nylon 6 hybrid nanofiber are better than those from nylon6 nanofiber.

关键词： MgO/nylon 6 hybrid nanofibers Cotton fabrics Fire retardancy Antibacterial activity

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Ferromagnetic–paramagnetic transition temperature in bulk and nanostructured La_(0.7)Sr_xCa_(0.3-x)MnO_3(x=0.10, 0.15, and 0.20) manganite materials

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Rare Metals 2017年第6期36卷 501-511页

作者： Somasundaram Praveen Kumar Kathiresan Sakthipandi Ramamurthy Gayathiri Mathu Sridhar Panday Arumugam Karthik Venkatachalam Rajendran centre for nano science and technology K.S. Rangasamy College of Technology Anna University Research and Development centre Bharathiar University

Series of bulk and nanostructured La0.7SrxCa0.3-xMnO3（x = 0.10, 0.15, and 0.20） manganites were synthesized and characterized using different techniques. In the series, both the bulk and nanostructured La0.7Sr0.10Ca0.20MnO3 and La0.7Sr0.20Ca0.10MnO3 manganites have orthorhombic and rhombohedral structures, whereas La0.7Sr0.15Ca0.15MnO3 manganite has rhombohedral and orthorhombic structures, respectively. Online ultrasonic velocity and attenuation measurements were taken through an indigenously designed ultrasonic setup, and the analysis was done from 300 to 400 K during the aging of the samples to explore the structural/phase transitions. The bulk and nanocrystalline La0.7SrxCa0.3-xMnO3 perovskite samples show the particle size distribution in the range of 197-943 and 24-93 nm, respectively. The addition of Sr^2＋ alters the size of particles, which decrease in size. The observed anomaly in ultrasonic velocities, attenuations, and elastic moduli is correlated with the ferromagnetic-paramagnetic（FM-PM） transition temperature（TC） in both bulk and nanocrystalline perovskites. In addition, the shift in TC and the magnitude and width of observed anomaly are correlated with the value of x to study the behavior of TC.

关键词： Magnetic material Ultrasonic measurements Elastic properties Phase transition

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