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Preparation,Microstructure and Properties of NiO-Cr_2O_3-TiO_2 Infrared Radiation Coating

Journal of materials Science & technology 2009年第5期25卷 695-698页

作者： Wu Chen Weiping Ye Xudong Cheng Wei Duan Fang Mao Deliang Li State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan 430070 China College of Materials Science and Engineering Wuhan University of Technology Wuhan 430070 China

The spherical agglomerated particles were fabricated by spray drying with the powders of NiO, Cr2O3 and TiO2. Plasma spray power, which has good property of flowability, was acquired by heat treatment from the particles at 1200℃ in the reducing atmosphere. Dark and uniform coating of More than 50 μm thick was deposited on the copper sheet substrate by plasma spraying. It is found that the infrared normal total emissivity of the coating is up to 0.91 at 600℃ by infrared radiation testing. The X-ray diffraction analysis shows that the formation of （Cr0.88Ti0.12）2O3 and spinel structural NiCr2O4 in the coating is the main reason for high efficient infrared radiation, and the phase structure and performance of coating is favorable under the thermal cycle between room temperature and 600℃.

关键词： Spray drying Agglomerated particles Plasma spraying Normal total emissivity

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Degradable PRGD/PDLLA/β-TCP/NGF composites promote differentiation and regulate gene expression in rat pheochromocytoma cells

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Chinese Science Bulletin 2013年第24期58卷 2979-2983页

作者： QIU Tong YU Chang YAN QiongJiao LI ShiPu Biomedical Materials and Engineering Center Wuhan University of Technology State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology

In this study, we synthesized degradable PRGD/PDLLA/β-TCP/NGF composites to facilitate neuronal repair. To this end, we (1) examined the release of nerve growth factor (NGF) from the composites, (2) evaluated the differentiation status of the cells and (3) address how transcriptional activity may regulate the differentiation mechanism of these cells. NGF content was determined using enzyme-linked immunosorbent assay, while the cellular mRNA expression was examined by real-time PCR analysis. Our results indicated that NGF release was robust during the first 10 days and then stabilized at a lower level thereafter. Treatment of PC12 cells with the extract of the NGF-embedded composites induced the formation of neurites and, in some cases, net-like neurites. Analysis of the expression level of differentiation-related genes, such as TrkA, VGF, Rab1, GAP43 and β-tubulin Ⅱ, were significantly up-regulated. These findings suggest that these composites might be a suitable delivery system for growth factors like NGF that can be used to facilitate neuronal repair after injury.

关键词：细胞分化复合材料 PDLLA 基因表达合成降解嗜铬细胞瘤神经生长因子神经元损伤

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Revisiting Water Oxidation Reaction with Micro Bubble Lithography (MBL) Printed ZIF-67 MOF Electrocatalysts

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Small Methods 2025年 e2401627页

作者： Manna, Khokan Ranjan, Anand Dev Singh, Himanshi Sen, Rakesh Verpoort, Francis Banerjee, Abhik Banerjee, Ayan Roy, Soumyajit EFAML Materials Science Center Department of Chemical Sciences Indian Institute of Science Education and Research Kolkata741246 India Light Matter Lab Department of Physical Sciences Indian Institute of Science Education and Research Kolkata Mohanpur741246 India TCG Centres for Research and Education in Science and Technology Sector V Salt Lake Kolkata700091 India State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan430070 China 6 Miklukho-Maklaya Str. Moscow117198 Russia National Research Tomsk Polytechnic University Lenin Avenue 30 Tomsk634050 Russia

Microbubble-based micro-lithographic techniques have developed rapidly over the last ten years and are capable of reproducibly patterning a wide variety of soft materials and colloids, including polymers, metals, and proteins. Zeolitic imidazolate framework (ZIF) materials have attracted a great deal of research and application interest in the field of materials science because of their chemical and thermal stabilities. Furthermore, ZIF-67 has demonstrated significant potential for applications in gas adsorption, molecule separation, electrochemistry, and catalysis, which when converted into "lab-on-a-chip" platforms might produce remarkable and diverse application-oriented outcomes. This is due to their highly adjustable nanostructures. Using Co(OAc)2.4H2O and Co(NO3)2.6H2O as the metal ion sources and 2-methylimidazole as the ligand, To design ZIF-67 (composed of Co2+ ions and imidazolate ligands) is attempted. Inspired by previous results, the Micro-Bubble Lithography (MBL) approach is used to successfully demonstrate an instantaneous in situ green synthesis and micro-patterning of ZIF-67 MOFs in this work. With reasonable stability and an over-potential of 440 mV, these micro-patterns are used as microelectrodes for the electrocatalytic oxygen evolution reaction (OER) in media having different pH. © 2025 Wiley-VCH GmbH.

关键词： Green synthesis

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Pvdf/Carbon Directional Microchannels-Enhanced Ion Diode-Like Hydrogel-Based Pressure Sensors

SSRN

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SSRN 2025年

作者： Wen, Xuezhong Zhang, Hongjian Eom, Taeuk Jeong, Chang Kyu Zhang, Yong State Key Laboratory of Advanced Technology for Materials Synthesis and Processing School of Materials Science and Engineering Wuhan University of Technology Wuhan430070 China Center for Smart Materials and Device Integration Wuhan University of Technology Wuhan430070 China Department of JBNU-KIST Industry-Academia Convergence Research Jeonbuk National University Jeonbuk Jeonju54896 Korea Republic of Division of Advanced Materials Engineering Jeonbuk National University Jeonbuk Jeonju54896 Korea Republic of Department of Energy Storage/Conversion Engineering of Graduate School Hydrogen and Fuel Cell Research Center Jeonbuk National University Jeonbuk Jeonju54896 Korea Republic of

Hydrogels are promising candidates for flexible electronics but are often constrained by narrow pressure-sensing ranges and unstable ion migration. To overcome these limitations, we developed an ionic hydrogel sensor incorporating diode-inspired bipolar architectures (PSSNa/PDACl) and poly(vinylidene fluoride)/carbon directional microchannels (PCDMC). The optimized 5-PCNPC hydrogel exhibits a broad pressure-sensing range (2.3–100 kPa) with a sensitivity of 0.360 mV·kPa−1 (a 35.6% enhancement) and a rectification ratio of 12.9, enabled by PCDMC-guided anisotropic ion transport and rapid stress dissipation (337 ms recovery). With excellent durability over 500 cycles and a power density of 1.17 mW·m−2, the hydrogel sensor demonstrates its potential in practical applications, including a 5×5 touchpad for spatial pressure mapping and real-time monitoring of respiration, swallowing, and locomotion. This study underscores the potential of hydrogel-based sensors with wide-range operability for next-generation wearables and interactive systems. © 2025, The Authors. All rights reserved.

关键词： Flexible electronics

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Acidic oxygen evolution reaction:Mechanism,catalyst classification,and enhancement strategies

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Interdisciplinary materials 2023年第1期2卷 53-90页

作者： Qianli Ma Shichun Mu Fuel cell Materials Laboratory Foshan Xianhu LaboratoryFoshanChina State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhanChina

As the most desirable hydrogen production device,the highly efficient acidic proton exchange membrane water electrolyzers(PEMWE)are severely limited by the sluggish kinetics of oxygen evolution reaction(OER)at the *** IrO2 is a commercial acid-stable OER catalyst with poor activity and high cost,which has motivated the development of ***,hitherto most of the designed acidic OER catalysts have disadvantages of low activity or stability,which cannot meet the requirement of industrial ***,exploring suitable strategies to enhance the activity and stability of cost-effective acidic OER catalysts is crucial for developing the PEMWE *** this review,the main OER mechanisms,different types of catalysts,and their activity and stability characteristics are summarized and discussed,and then possible strategies to improve activity and stability are ***,the problems and prospects of such catalysts are generalized to shed some light on the future research of advanced catalysts for acidic OER.

关键词： catalyst hydrogen energy oxygen evolution reaction proton exchange membrane water electrolyzer water oxidation

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Bioprocess-inspired preparation of silica with varied morphologies and potential in lithium storage

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Journal of materials Science & technology 2021年第13期72卷 61-68页

作者： Fuqiang Wan Wenxuan Wang Zhaoyong Zou Hao Xie Hang Ping Zhengyi Fu State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan430070China School of Chemistry Chemical Engineeringand Life ScienceWuhan University of TechnologyWuhan430070China

As one of the most delicate bioprocesses in nature,biosilicification is closely related to biosilica with various morphologies,and has provided abundant inspiration to materials *** the present study,to explore the biosilica formation process and fabricate silica with an exquisite microstructure for lithiumion battery(LIB)electrodes,a bacterial phage(M13)is used as a biotemplate to synthesize silica with diverse morphologies:cylinders,hexagonal prisms,assemblies of smaller cylinders and nanowires.A facile ethanol bath method is conducted to coat the nanowires with nitrogen-containing carbon and carbon-coated SiO_(2) nanowires with mesochannels(C@msSiO_(2) NWs)are first used as anode materials for *** to the uniform carbon coating and parallel mesochannel structure,the electronic conductivity and capacity to accommodate volume variations were significantly *** the electrochemical perfo rmance test,the composites calcined at 750℃(C@msSiO_(2) NWs-750)show an impressive capacity of 653 mA h g^(-1) at a current density of 500 mA g^(-1) and stability(1000 cycles).In view of the electrochemical test outcomes,the prepa ration of a sophisticated structure with an outstanding potential is easily achieved via a biomimetic strategy.

关键词： Biomimetic preparation Biosilicification M13 phage Silica nanowires Mesochannel

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Constructing Matching Interfaces by Amorphous Engineering for Enhanced Lithium Ion Transport in Quasi-Solid-state Lithium–Iodine Batteries

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Angewandte Chemie - International Edition 2025年 e202507184页

作者： Gu, Jiapei Dong, Chenxu Zhu, Yuxin Liu, Haoyun Ji, Juan Yu, Yongkun Ma, Changning Zhou, Cheng Mai, Liqiang Xu, Xu State Key Laboratory of Advanced Technology for Materials Synthesis and Processing School of Materials Science and Engineering Wuhan University of Technology Wuhan 430070 China Zhongyu Feima New Material Technology Innovation Center (Zhengzhou) Co. Ltd. High Technology Industrial Development Zone Zhengzhou 450001 China

Quasi-solid-state lithium–iodine (Li–I2) batteries have shown prospects as their high theoretical capacity, high safety, and abundant iodine resources. However, the interface between the crystalline filler and the f... 详细信息

Quasi-solid-state lithium–iodine (Li–I₂) batteries have shown prospects as their high theoretical capacity, high safety, and abundant iodine resources. However, the interface between the crystalline filler and the flexible polymer skeleton of composite solid electrolytes exhibits inadequate bonding, leading to higher interface energy and sluggish migration dynamics of Li⁺. In this work, a continuous interface solid electrolyte is designed by combining the atomic structure rearrangement of metal-organic framework (MOF) to achieve interface coupling between MOF and aramid fiber. Based on the experimental results and theoretical calculations, the amorphous engineering promotes Li⁺ migration and polyiodide confinement effects for Li–I₂ batteries. The batteries show a high capacity of 170.7 mAh g⁻¹ at 5 C and achieve a capacity retention rate of 97.8% after 450 cycles. More impressively, the batteries achieve a long life of 3000 cycles at the high current density of 20 C with a good capacity retention of 94.1%. This work reveals the mechanism of coupled interface with structure matching in Li⁺ migration and polyiodide integration process, providing guidance for the design of novel composite solid electrolytes to achieve high-performance Li–I₂ batteries. © 2025 Wiley-VCH GmbH.

关键词： Amorphous–amorphous interface Continuous interface quasi-solid-state electrolyte Lithium–iodine batteries Metal-organic frameworks

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Hierarchically nanostructured porous TiO_2(B) with superior photocatalytic CO_2 reduction activity

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Science China Chemistry 2018年第3期61卷 344-350页

作者： Tingmin Di Jinfeng Zhang Bei Cheng Jiaguo Yu Jingsan Xu State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Department of Physics Faculty of Science King Abdulaziz University School of Chemistry Physics and Mechanical Engineering Queensland University of Technology

Hierarchically nanostructured, porous TiO_2(B) microspheres were synthesized by a microwave-assisted solvothermal method combined with subsequent heat treatment in air. The materials were carefully characterized by scanning and transmission electron microscopy, X-ray diffraction, CO_2 adsorption, and a range of spectroscopies, including Raman, infrared, X-ray photoelectron and UV-Vis spectroscopy. The hierarchical TiO_2(B) particles are constructed by ultrathin nanosheets and possess large specific surface area, which provided many active sites for CO_2 adsorption as well as CO_2 conversion. The TiO_2(B)nanostructures exhibited marked photocatalytic activity for CO_2 reduction to methane and methanol. Anatase TiO_2 and P25 were used as the reference photocatalysts. Transient photocurrent measurement also proved the higher photoactivity of TiO_2(B) than that of anatase TiO_2. In-situ infrared spectrum was measured to identify the intermediates and deduce the conversion process of CO_2 under illumination over TiO_2(B) photocatalyst.

关键词： photocatalytic CO2 reduction TiO2（B） hierarchical nanostructure anatase TiO2

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Defect chemistry engineering of Ga-doped garnet electrolyte with high stability for solid-state lithium metal batteries

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Chinese Physics B 2024年第8期33卷 560-567页

作者：陈思汗黎俊刘可可孙笑晨万京伟翟慧宇唐新峰谭刚健 State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070China International School of Materials Science&Engineering Wuhan University of TechnologyWuhan 430070China

Ga-doped Li_(7)La_(3)Zr_(2)O_(12)(Ga-LLZO)has long been considered as a promising garnet-type electrolyte candidate for all-solid-state lithium metal batteries(ASSLBs)due to its high room temperature ionic ***,the typical synthesis of Ga-LLZO is usually accompanied by the formation of undesired LiGaO_(2) impurity phase that causes severe instability of the electrolyte in contact with molten Li metal during half/full cell *** this study,we show that by simply engineering the defect chemistry of Ga-LLZO,namely,the lithium deficiency level,LiGaO_(2) impurity phase is effectively inhibited in the final synthetic ***,defect chemistry engineered Ga-LLZO exhibits excellent electrochemical stability against lithium metal,while its high room temperature ionic conductivity(~1.9×10^(-3)S·cm^(-1))is well *** assembled Li/Ga-LLZO/Li symmetric cell has a superior critical current density of 0.9 mA·cm^(-2),and cycles stably for 500 hours at a current density of 0.3 mA·cm^(-2).This research facilitates the potential commercial applications of high performance Ga-LLZO solid electrolytes in ASSLBs.

关键词： Ga-doped Li_7La_3Zr_2O_(12)(Ga-LLZO) defect chemistry engineering high room temperature ionic conductivity electrochemical stability

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Chiral effect on Aβ fibrillation from molecular-scale to nanoscale

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Nano Research 2022年第7期15卷 6721-6729页

作者： Guanbin Gao Guowei Zhu Liangchong Yu Zijun Zhang Ting Zhang Xinglin Liu Cheng Zhang Lin Zhou Taolei Sun State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070China School of Chemistry Chemical Engineering and Life ScienceWuhan University of TechnologyWuhan 430070China

β-Amyloid(Aβ)peptide fibrillation,one of the characteristic hallmarks of Alzheimer’s disease,is determined by many interfacial physical-chemical factors,e.g.,charge,hydrophobicity,*** extensive research,chiral effect in different-scales on the fibrillation process of Aβremains ***,molecular-scale,sub-nanoscale,and nanoscale chiral-structures were constructed to investigate their chiral effect on the fibrillation of Aβ_(40) *** structures from molecular-scale to nanoscale were obtained from the different periods of the chemosynthesis process of chiral ZnS quantum-dots(QDs),confirmed by real-time monitoring of circular dichroism *** molecular-scale,both L-penicillamine(L-P)and D-P ligands accelerated the fibrillation of Aβ_(40),and the speed-up effect of D-P was slightly stronger than *** sub-nanoscale,both two chiral Zncomplexes(L-Zn and D-Zn)induced the agglomeration of Aβ_(40) without chirality *** nanoscale,both L-ZnS and DZnS QDs inhibited the fibrillation of Aβ_(40),and the inhibition effect of L-ZnS was notably better than that of ***-situ kinetics experiments of Aβ_(40) co-incubated with two chiral QDs demonstrated that L-ZnS completely prevents the misfolding of Aβ_(40) from unfolded toβ-sheet,while D-ZnS cannot achieve *** site-replacement experiments and simulation results revealed the underlying molecular mechanisms of the different inhibition efficiency of chiral ZnS QDs on Aβ_(40) fibrillation,which mainly attribute to the stereoselectivity interaction between the chiral ligands of ZnS QDs and electro-positive amino acid residues(R5,K16,and K28)of Aβ_(40).This work offers a microscopic insight of chiral effect on Aβfibrillation exerted by structures in different-scales,and provides a guidance in precise regulation of protein fibrillation via manipulating chiral structures in different-scales.

关键词： chirality molecular-scale sub-nanoscale nanoscale Aβ_(40) fibrillation

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