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SSRN 2023年

作者： Xu, Feng Zhu, Can Wang, Jian Luo, Feng Zhu, Xinqiang Xu, Jiahui Chen, Shuquan Ma, Guoliang Chen, Fenghua Kuang, Yafei He, Jun Sun, Zhigang School of Materials Science and Engineering Taiyuan University of Science and Technology Taiyuan030024 China State Key Laboratory of Advanced Materials Composite Technology Wuhan University of Technology Wuhan430070 China Central Iron and Steel Research Institute Beijing100081 China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing China

Improving elastocaloric effect (eCE) and mechanical properties is the key to developing high-performance eCE cooling materials. In this paper, the metamagnetic shape memory alloys Ni35.5Co13.5Mn35Ti15-x Gdx was successfully prepared by arc melting method, and the effects of Gd substitution for Ti on the martensitic transformation (MT) temperature, phase composition, microstructure, eCE and mechanical properties of the alloys were systematically investigated. With the introduction of Gd elements, transformation temperature shifts to low temperature, and the mechanical properties of the alloy are also enhanced. The maximum compressive strength increased from 980MPa (x=0) to 1142MPa (x=0.9). At room temperature, a large adiabatic temperature change of +13.5/-12.7 K is obtained after loading/unloading, and a constant temperature change of +5.6K/-5.5K is obtained without apparent degradation under the compressive stress of 400 MPa during 61 cycles for Ni36.5Co13.5Mn35Ti14.9Gd0.1 alloy. The underlying mechanism of the enhanced eCE and mechanical properties is also discussed. © 2023, The Authors. All rights reserved.

关键词： Titanium alloys

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Enhanced room-temperature Na^(+) ionic conductivity in Na_(4.92)Y_(0.92)Zr_(0.08)Si_(4)O_(12)

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eScience 2023年第6期3卷 935-945页

作者： Aikai Yang Kai Yao Mareen Schaller Enkhtsetseg Dashjav Hang Li Shuo Zhao Qiu Zhang Martin Etter Xingchen Shen Huimin Song Qiongqiong Lu Ruijie Ye Igor Moudrakovski Quanquan Pang Sylvio Indris Xingchao Wang Qianli Ma Frank Tietz Jun Chen Olivier Guillon Forschungszentrum Jülich GmbH Institute of Energy and Climate ResearchMaterials Synthesis and Processing(IEK-1)52425 JülichGermany Institute of Mineral Engineering(GHI) RWTH Aachen UniversityForckenbeckstraße 3352074 AachenGermany Institute for Applied Materials-Energy Storage Systems(IAM-ESS) Karlsruhe Institute of Technology(KIT)76344 Eggenstein-LeopoldshafenGermany Renewable Energy Conversion and Storage Center(RECAST) Haihe Laboratory of Sustainable Chemical TransformationsKey Laboratory of Advanced Energy Materials Chemistry(Ministry of Education)College of ChemistryNankai UniversityTianjin 300071China Deutsches Elektronen-Synchrotron(DESY) Notkestrasse 8522607 HamburgGermany Laboratoire de Cristallographie et Sciences des Materiaux(CRISMAT) CNRSENSICAEN14000 CaenFrance Beijing Key Laboratory of Theory and Technology for Advanced Batteries Materials School of Materials Science and EngineeringPeking UniversityBeijing 100871China Institute of Materials Henan Academy of SciencesHenan Key Laboratory of Advanced Conductor MaterialsZhengzhou 450046China Max Planck Institute for Solid State Research Heisenbergstraße 170569 StuttgartGermany State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources Key Laboratory of Advanced Functional MaterialsAutonomous RegionInstitute of Applied ChemistryCollege of ChemistryXinjiang UniversityUrumqiXinjiang 830046China Forschungszentrum Jülich GmbH Helmholtz Institute Münster(IEK-12)52425 JülichGermany Jülich Aachen Research Alliance JARA-Energy52425 JülichGermany

Developing cost-effective and reliable solid-state sodium batteries with superior performance is crucial for stationary energy storage.A key component in facilitating their application is a solid-state electrolyte with high conductivity and ***,we employed aliovalent cation substitution to enhance ionic conductivity while preserving the crystal *** substitution of Y^(3+)with Zr^(4+)in Na_(5)YSi_(4)O_(12) introduced Naþion vacancies,resulting in high bulk and total conductivities of up to 6.5 and 3.3 mS cm^(-1),respectively,at room temperature with the composition Na_(4.92)Y_(0.92)Zr_(0.08)Si_(4)O_(12)(NYZS).NYZS shows exceptional electrochemical stability(up to 10 V ***þ/Na),favorable interfacial compatibility with Na,and an excellent critical current density of 2.4 mA cm^(-2).The enhanced conductivity of Naþions in NYZS was elucidated using solid-state nuclear magnetic resonance techniques and theoretical simulations,revealing two migration routes facilitated by the synergistic effect of increased Naþion vacancies and improved chemical environment due to Zr^(4+)*** extends the list of suitable solid-state electrolytes and enables the facile synthesis of stable,low-cost Naþion silicate electrolytes.

关键词： Solid-state electrolytes Sodium superionic conductors Na_(4.92)Y_(0.92)Zr_(0.08)Si_(4)O_(12) High conductivity Ultra-wide electrochemical window

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Electrolyte Concentration Regulation Boosting Zinc Storage Stability of High-Capacity K0.486V2O5 Cathode for Bendable Quasi-Solid-State Zinc Ion Batteries

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Nano-Micro Letters 2021年第2期13卷 232-245页

作者： Linpo Li Shuailei Liu Wencong Liu Deliang Ba Wenyi Liu Qiuyue Gui Yao Chen Zuoqi Hu Yuanyuan Li Jinping Liu School of Optical and Electronic Information Huazhong University of Science and TechnologyWuhan 430074People’s Republic of China School of Chemistry Chemical Engineering and Life Scienceand State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of TechnologyWuhan 430070People’s Republic of China Key Laboratory for Photonic and Electronic Bandgap Materials Ministry of EducationSchool of Physics and Electronic EngineeringHarbin Normal UniversityHarbin 150025People’s Republic of China

Vanadium-based cathodes have attracted great interest in aqueous zinc ion batteries(AZIBs)due to their large capacities,good rate performance and facile synthesis in large ***,their practical application is greatly hampered by vanadium dissolution issue in conventional dilute ***,taking a new potassium vanadate K0.486V2O5(KVO)cathode with large interlayer spacing(~0.95 nm)and high capacity as an example,we propose that the cycle life of vanadates can be greatly upgraded in AZIBs by regulating the concentration of ZnCl2 electrolyte,but with no need to approach“water-in-salt”*** the optimized moderate concentration of 15 m ZnCl2 electrolyte,the KVO exhibits the best cycling stability with ~95.02% capacity retention after 1400 *** further design a novel sodium carboxymethyl cellulose(CMC)-moderate concentration ZnCl2 gel electrolyte with high ionic conductivity of 10.08 mS cm^-1 for the first time and assemble a quasi-solid-state *** device is bendable with remarkable energy density(268.2 Wh kg^−1),excellent stability(97.35% after 2800 cycles),low self-discharge rate,and good environmental(temperature,pressure)suitability,and is capable of powering small *** device also exhibits good electrochemical performance with high KVO mass loading(5 and 10 mg cm^-2).Our work sheds light on the feasibility of using moderately concentrated electrolyte to address the stability issue of aqueous soluble electrode materials.

关键词： Electrolyte concentration regulation Quasi-solid-state Zn ion battery K0.486V2O5 Large interlayer spacing Cycling stability

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Multifunctional additives for the enhanced performance of the doctor-blading printed perovskite solar modules

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Journal of Energy Chemistry 2025年 109卷 368-377页

作者： Linyong Tian Haoyu Cai Zhenyue Wang Yongjun Liu Juan Zhao Guodong Liu Yaqi Cheng Biqi He Hongfei Zhang Long Jiang Bofei Xue Yi-Bing Cheng Jie Zhong State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan Hubei 430070 China Nanjing Aolian Light Energy Technology Co. Ltd. Nanjing Jiangsu 320115 China School of Automobile Engineering Wuhan University of Technology Wuhan Hubei 430070 China State Key Laboratory of Oil and Gas Equipment CNPC Tubular Goods Research Institute Xi’an 710077 Shaanxi China Shaanxi Provincial Key Laboratory of Clean Energy Equipment and Materials Xi’an 710077 Shaanxi China Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory Foshan Guangdong 528216 China

The utilization of self-assembled monolayers (SAMs) has significantly elevated the power conversion efficiency (PCE) of inverted perovskite solar cells (PSCs). However, the inherent hydrophobicity of these SAMs poses challenges in the subsequent printing of perovskite films in PSC upscaling. In this work, we incorporated a multifunctional additive, dimethyl suberimidate dihydrochloride (DMSCl 2 ), into the perovskite precursor to enhance the quality of the blade-coated perovskite film on the SAM interlayer. Characterizations revealed that the function groups of the imino (N–H) and methoxy (CH 3 O–) DMSCl 2 facilitate both bonding between perovskite precursor and SAM molecule (Me-4PACz), which facilitates the large-area printing of perovskite film. These interactions also provide effective passivation within the perovskite films and interface defects of PSCs. As a result, a significantly enhanced PCE from 16.62% to 20.37% was obtained for the printed perovskite solar module (93.10 cm 2 ) and 25.27% for the small device (0.09 cm 2 ). Remarkable stability was achieved with 93.3% of their initial PCE after 1000 h of continuous maximum power point (MPP) tracking. This report suggests that multifunctional additive doping provides a convenient route for the upscaling of perovskite solar cells with SAM interlayers.

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In-depth understanding of ionic liquid assisted perovskite film formation mechanism for two-step perovskite photovoltaics

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Journal of Energy Chemistry 2022年第10期31卷 599-606,I0015页

作者： Fei Wang Patrick Wai-Keung Fong Zhiwei Ren Hai-Lun Xia Kang Zhou Kai Wang Jiajie Zhu Xiaoxi Huang Xiao-Yuan Liu Hao Wang Yumeng Shi Haoran Lin Quanyao Zhu Gang Li Hanlin Hu Hoffman Institute of Advanced Materials Shenzhen PolytechnicShenzhen 518055GuangdongChina Department of Electronic and Information Engineering Research Institute for Smart Energy(RISE)The Hong Kong Polytechnic UniversityHong Kong 999077China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing School of Materials Science and EngineeringWuhan University of TechnologyWuhan 43007HubeiChina International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education Institute of Microscale OptoelectronicsShenzhen UniversityShenzhen 518060GuangdongChina The Hong Kong Polytechnic University Shenzhen Research Institute Shenzhen 518057GuangdongChina Institute of Flexible Electronics Northwestern Polytechnical UniversityXi’an 710072ShannxiChina School of Physics Science and Engineering Tongji UniversityShanghai 200092China

Ionic liquids(ILs)have been widely applied in the one-step fabrication of perovskite with noticeable enhancement in the device ***,in-depth mechanism of ionic-liquid-assisted perovskite film formation is not well understood for also important two-step perovskite fabrication method,with better control of crystallization *** this work,we introduced ionic liquid methylammonium formate(MAFa)into organic salt to produce perovskite film via a two-step *** investigations on the influence of MAFa on the perovskite thin film formation mechanism were *** liquid is shown to assist lowering the perovskite formation enthalpy upon the density functional theory(DFT)calculation,leading to an accelerated crystallization process evidenced by in-situ UV-Vis absorption measurement.A gradient up-down distribution of ionic liquid has been confirmed by timeof-flight ***,besides the surface passivation,we found the HCOO-can diffuse into the perovskite crystals to fill up the halide vacancies,resulting in significant reduction of trap *** perovskite films with significantly larger grains and less defect density were prepared with the help of MAFa IL,and the corresponding device efficiency over 23%was obtained by two-step process with remarkably improved *** research work provides an efficient strategy to tune the morphology and opto-electronic properties of perovskite materials via ionic-liquid-assisted two-step fabrication method,which is beneficial for upscaling and application of perovskite photovoltaics.

关键词： Halide vacancies Perovskite solar cells Two-step method Ionic liquid

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Boosting in-plane anisotropy by periodic phase engineering in two-dimensional VO_(2) single crystals

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Fundamental Research 2022年第3期2卷 456-461页

作者： Meng Ran Chao Zhao Xiang Xu Xiao Kong Younghee Lee Wenjun Cui Zhi-Yi Hu Alexander Roxas Zhengtang Luo Huiqiao Li Feng Ding Lin Gan Tianyou Zhai State Key Laboratory of Materials Processing and Die and Mould Technology School of Materials Science and EngineeringHuazhong University of Science and TechnologyWuhan 430074China Centre for Multidimensional Carbon Materials Institute for Basic ScienceSchool of Materials Science and EngineeringUlsan National Institute of Science and TechnologyUlsanSouth Korea Center for Integrated Nanostructure Physics Institute for Basic ScienceSungkyunkwan UniversitySuwonSouth Korea State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Nanostructure Research CentreWuhan University of TechnologyWuhan 430074China Department of Chemical and Biological Engineering The Hong Kong University of Science and TechnologyClear Water BayKowloonHong KongChina

In-plane anisotropy(IPA)due to asymmetry in lattice structures provides an additional parameter for the precise tuning of characteristic polarization-dependent properties in two-dimensional(2D)materials,but the narrow range within which such method can modulate properties hinders significant development of related *** we present a novel periodic phase engineering strategy that can remarkably enhance the intrinsic IPA obtainable from minor variations in asymmetric *** introducing alternant monoclinic and rutile phases in 2D VO_(2)single crystals through the regulation of interfacial thermal strain,the IPA in electrical conductivity can be reversibly modulated in a range spanning two orders of magnitude,reaching an unprecedented IPA of *** an intriguing local phase engineering in 2D materials can be well depicted and predicted by a theoretical model consisting of phase transformation,thermal expansion,and friction force at the interface,creating a frame-work applicable to other 2D ***,the considerable adjustability and reversibility of the presented strategy provide opportunities for future polarization-dependent photoelectric and optoelectronic devices.

关键词： Periodic phase engineering Two-dimensional VO_(2) Interfacial strain In-plane anisotropy Electrical anisotropy Chemical vapor deposition

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Construction of nickel cobalt sulfide nanosheet arrays on carbon cloth for performance-enhanced supercapacitor

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Journal of materials Science & technology 2020年第12期47卷 113-121页

作者： Tao Liu Jiahao Liu Liuyang Zhang Bei Cheng Jiaguo Yu State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyLuoshi Road 122Wuhan430070China School of Materials Science and Engineering Zhengzhou UniversityZhengzhou450001China

materials featured with self-supported three-dimensional network,hierarchical pores and rich electrochemical active sites are considered as promising electrodes for ***,a novel strategy for the growth of nickel-cobalt bisulfide(Ni Co S)nanosheets arrays on carbon cloth(CC)as supercapacitor electrodes is reported,involving deposition of two-dimensional metal-organic framework(MOF)precursors on the CC skeletons,conversion of MOF into nickel-cobalt layered double-hydroxide by ion exchange process and formation of Ni Co S by a sulfidation *** Ni Co S nanosheets with rough surface and porous structures are uniformly anchored on the CC *** unique architecture endows the composite(Ni Co S/CC)with abundant accessible active ***,robust electrical/mechanical joint between the nanosheets and the substrates is attained,leading to the improved electrochemical ***,an asymmetric supercapacitor device is constructed by using Ni Co S/CC and activated carbon as a positive electrode and a negative electrode,*** optimized device exhibits a high specific capacitance,large energy density and long cycle *** Ni Co S/CC electrode with intriguing electrochemical properties and mechanical flexibility holds great prospect for next-generation wearable devices.

关键词： Metal-organic framework Nickel sulfide Cobalt sulfide Carbon cloth Supercapacitor

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Adsorptive Behavior of Methyl Blue on Graphene Aerogel:A Mechanism Study

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Journal of Wuhan University of technology(materials Science) 2021年第2期36卷 239-242页

作者： SONG Xuyan HE Yunlu PAN Xi WEI Min LI Ran ZHOU Xiaoyu ZHENG Ying LI Junsheng TANG Haolin Technology Centre of Hubei China Tobacco Industry Co. Ltd.Wuhan 430051China College of Urban Construction Wuchang Shouyi UniversityWuhan 430064China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070China

Graphene aerogel was synthesized and used for the removal of methyl blue from aqueous *** effect of solution pH,temperature and adsorption time on the adsorption performance of the graphene aerogel was studied *** addition,investigations were also performed to determine the nature of *** experimental results show that graphene aerogel is a highly efficient adsorbent for the treatment of methyl blue in aqueous *** addition,the adsorption of methyl blue proceeds through a single layer physical adsorption on the graphene *** findings herein are useful for the future development of adsorbent for in water.

关键词： graphene aerogel adsorption methyl blue mechanism

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A new catalyst for urea oxidation: NiCo2S4 nanowires modified 3D carbon sponge

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Journal of Energy Chemistry 2020年第11期29卷 195-205页

作者： Biaopeng Li Congying Song Jianjun Rong Jing Zhao Hong-En Wang Ping Yang Ke Ye Kui Cheng Kai Zhu Jun Yan Dianxue Cao Guiling Wang Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education College of Materials Science and Chemical EngineeringHarbin Engineering UniversityHarbin 150001HeilongjiangChina State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070HubeiChina

Urea oxidation is a significant reaction for utilizing urea-rich wastewater or human urine as sustainable power sources which can ease the water eutrophication while generate electricity. A direct urea-hydrogen peroxide fuel cell is a new kind of fuel cell employing urea as fuel and hydrogen peroxide as oxidant which possesses a larger cell voltage. Herein, this work tries to promote the kinetics process of urea oxidation by preparing low-cost and high-efficient NiCo2S4 nanowires modified carbon sponge electrode. The carbon sponge used in this work with a similar three-dimensional multi-channel structure to Ni foam, is prepared by carbonizing recycled polyurethane sponge which is also a process of recycling waste. The performance of the prepared catalyst in an alkaline solution is investigated in a three-electrode *** the introduction of Co element to the catalyst, a reduced initial urea oxidation potential and a high performance are obtained. Furthermore, a direct urea-hydrogen peroxide fuel cell is assembled using the NiCo2S4 nanowires modified carbon sponge anode. Results indicate that the prepared catalyst provides a chance to solve the current problems that hinder the development of urea electrooxidation(high initial urea oxidation potential, low performance, and high electrode costs).

关键词： Carbon sponge Direct urea fuel cell Electrocatalyst NiCo2S4 nanowires Urea oxidation

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Change in elastic properties during room-temperature aging in body-centered cubic Mg-Li and Mg-Li-Al single crystals

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Journal of materials Science & technology 2022年第14期109卷 49-53页

作者： Ruxia Liu Shota Higashino Koji Hagihara Lianmeng Zhang Tohru Sekino Masakazu Tane SANKEN(The Institute of Scientific and Industrial Research) Osaka University8-1 MihogaokaIbarakiOsaka 567-0047Japan State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan430070China Graduate School of Engineering Osaka City University3-3-138 SugimotoOsaka558-8585Japan Department of Physical Science and Engineering Nagoya Institute of TechnologyNagoya 466-8555Japan

Biodegradable materials,with many advantages over conventionally used non-biodegradable materials,have received much attention owing to the elimination of the need for a secondary surgery for the removal of implants after *** with other biodegradable ceramics and/or polymers,Mg alloys are considered to be the most promising biodegradable orthopedic materials because they feature not only high specific strength and compressive yield strength but also a low Young’s modulus,which is comparable to that of human bones(10-30 GPa)[1,2].

关键词： strength aging alloys

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