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A Multiscale Reliability-Based Design Optimization Method for Carbon-Fiber-Reinforced co.posite Drive Shafts

co.puter Modeling in Engineering & Sciences 2024年第8期140卷 1975-1996页

作者： Huile Zhang Shikang Li Yurui Wu Pengpeng Zhi Wei Wang Zhonglai Wang Yangtze Delta Region Institute(Huzhou) University of Electronic Science and Technology of ChinaHuzhou313001China Huzhou Key Laboratory of Green Energy Materials and battery Cascade Utilization Huzhou CollegeHuzhou313000China SAIC Motor co.poration Limited Passenger Vehicle co. Shanghai201804China School ofMechanical and Electrical Engineering University of Electronic Science and Technology of ChinaChengdu611731China

Carbon fiber co.posites,characterized by their high specific strength and low weight,are beco.ing increasingly crucial in automotive ***,current research primarily emphasizes layer co.nt and orientation,often neglecting the potential of microstructural design,co.straints in the layup process,and performance *** study,therefore,introduces a multiscale reliability-based design optimization method for carbon fiber-reinforced plastic(CFRP)drive ***,parametric modeling of the microscale cell was performed,and its elastic performance parameters were predicted using two homogenization methods,examining the impact of fluctuations in microscale cell parameters on co.posite material performance.A finite element model of the CFRP drive shaft was then co.structed,achieving parameter transfer between microscale and macroscale through Python *** enabled an investigation into the influence of both micro and macro design parameters on the CFRP drive shaft’s *** Multi-Objective Particle Swarm Optimization(MOPSO)algorithm was enhanced for particle generation and updating strategies,facilitating the resolution of multi-objective reliability optimization problems,including co.posite material layup process *** studies demonstrated that this approach leads to over 30%weight reduction in CFRP drive shafts co.pared to metallic co.nterparts while satisfying reliability requirements and offering insights for the lightweight design of other vehicle co.ponents.

关键词： Multiscale reliability-based design optimization carbon-fabric-reinforced co.posite drive shaft

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Spray pyrolysis feasibility of tungsten substitution for co.alt in nickel-rich cathode materials

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International Journal of Minerals,Metallurgy and Materials 2024年第10期31卷 2244-2252页

作者： Zihan Hou Lisheng Guo Xianlong Fu Hongxian Zheng Yuqing Dai Zhixing Wang Hui Duan Mingxia Dong Wenjie Peng Guochun Yan Jiexi Wang Key Laboratory of Value-added Metallurgy of Hunan Province Engineering Research Center of the Ministry of Education for Advanced Battery MaterialsSchool of Metallurgy and EnvironmentCentral South UniversityChangsha 410083China BASF Shanshan battery Materials co.Ltd. Changsha 410205China

co.alt(co.serves as a stabilizer in the lattice structure of high-capacity nickel(Ni)-rich cathode ***,its high co.t and toxicity still limit its *** general,it is possible to perform transition metal substitution to reduce the co.***,the traditional co.recipitation method cannot satisfy the requirements of multielement co.recipitation and uniform distribution of elements due to the differences between element co.centration and deposition *** this work,spray pyrolysis was used to prepare LiNi_(0.9)co.(0.1-x)W_(x)O_(2)(LNCW).In this regard,the pyrolysis behavior of ammonium metatungstate was analyzed,together with the substitu-tion of W for *** the possibility of spray pyrolysis,the Ni-co.W-co.taining oxide precursor presents a homogeneous distribution of metal elements,which is beneficial for the uniform substitution of W in the final *** was observed that with W substitution,the size of primary particles decreased from 338.06 to 71.76 nm,and cation disordering was as low as 3.34%.As a co.sequence,the pre-pared LNCW exhibited significantly improved electrochemical *** optimal co.ditions,the lithium-ion battery assembled with LiNi_(0.9)co.(0.0925)W_(0.0075)O_(2)(LNCW-0.75mol%)had an improved capacity retention of 82.7%after 200 cycles,which provides insight in-to the development of Ni-rich low-co.*** work presents that W can co.pensate for the loss caused by co.deficiency to a cer-tain extent.

关键词： lithium-ion batteries Ni-rich low-co.alt W substitution spray pyrolysis

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A high-performance lithium anode based on N-doped co.posite graphene

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Rare Metals 2024年第3期43卷 1030-1036页

作者： Can Jiao Hao-Bo Sun Li Zhang Shang-Qian Zhao Guo-Yao Pang Chun-Rong Zhao Shi-Gang Lu General Research Institute for Nonferrous Metals Beijing100088China China Automotive battery Research Institute co.Ltd Beijing101407China

Lithium(Li)metal is the most promising electrode for next-gene ration rechargeable *** order to push the co.mercialization of the lithium metal batteries,a kind of nitrogen(N)-doped co.posite graphene(NCG)adopted as the Li plating host was prepared to regulate Li metal nucleation and suppress dendrite ***,a new kind of sandwich-type co.posite lithium metal(STCL)electrode was developed to improve its *** STCL electrode can be used as co.venient as a piece of Li foil but no dendrite *** a symmetric battery,the STCL electrode cycled for more than 4500 h with the overpotential of less than 40 *** due to the creative design,the STCL promises the Li-S battery with a prolonged cycling lifespan.

关键词： Lithium metal anode Lithiophilic N-doped co.posite graphene Sandwich-type co.posite lithium metal electrode

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Boosting the performance of LiNi_(0.90)co.(0.06)Mn_(0.04)O_(2) electrode by uniform Li_(3)PO_(4) co.ting via atomic layer deposition

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Chinese Chemical Letters 2024年第5期35卷 499-503页

作者： Mingjiao Lu Zhixing Wang Gui Luo Huajun Guo Xinhai Li Guochun Yan Qihou Li Xianglin Li Ding Wang Jiexi Wang School of Metallurgy and Environment Central South UniversityChangsha 410083China BASF ShanShan battery Materials co. Ltd.Changsha 410006China Engineering Research Center of the Ministry of Education for Advanced battery Materials Central South UniversityChangsha 410083China Hunan Provincial Key Laboratory of Nonferrous Value-Added Metallurgy Central South UniversityChangsha 410083China School of Physics and Chemistry Hunan First Normal UniversityChangsha 410205China National and Local Joint Engineering Laboratory for Lithium-ion Batteries and Materials Preparation technology Key Laboratory of Advanced Battery Materials of Yunnan ProvinceFaculty of Metallurgical and Energy EngineeringKunming University of Science and TechnologyKunming 650093China

Ultra-high nickel material is co.sidered to be a promising cathode ***,with the increase of nickel co.tent,the interfacial side reactions between the cathode and electrolyte beco.e increasingly ***,an atomically co.trollable ionic co.ductor Li_(3)PO_(4)(LPO)co.ting is deposited on the LiNi_(0.90)co.(0.06)Mn_(0.04)O_(2)(NCM9064)based electrode by the atomic layer deposition *** results shows that the LPO co.ting is uniformly and densely co.ered on the surface of seco.dary particles of NCM9064,helping to prevent the direct co.tact between the electrolyte and cathode during the chargingdischarging *** addition,the co.ting layer is electrochemically *** a result,the interfacial side reactions during the long cycle are effectively suppressed,and the solid electrolyte interphase layer at the interface is *** electrode with 20 layers of LPO deposition(ALD-LPO-20)exhibits an excellent capacity retention of 81%after 200 cycles in 2.8-4.3 V at 25℃,which is 18%higher than the unmodified material(ALD-LPO-0).Besides,the moderate LPO co.ting improves the rate capability and high temperature cycling performance of *** study provides a method for the modification of ultra-high nickel cathode materials and co.responding electrodes.

关键词： Ultra-high nickel material LiNi_(0.90)co.(0.06)Mn_(0.04)O_(2) Atomic layer deposition Li_(3)PO_(4) Ionic co.ductor

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Regulating the inner Helmholtz plane structure at the electrolyte-electrode interface for highly reversible aqueous Zn batteries

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Journal of Energy Chemistry 2024年第8期95卷 57-67,I0002页

作者： Jianghe Liu Sanlue Hu Hexin Guo Guobin Zhang Wen Liu Jianwei Zhao Shenhua Song Cuiping Han Baohua Li Shenzhen Key Laboratory on Power battery Safety and Shenzhen Geim Graphene Center Tsinghua Shenzhen International Graduate SchoolTsinghua UniversityShenzhen 518055GuangdongChina Shenzhen Key Laboratory of Advanced Materials School of Materials Science and EngineeringHarbin Institute of TechnologyShenzhen 518055GuangdongChina Faculty of Materials Science and Energy Engineering/Institute of technology for Carbon Neutrality Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen 518055GuangdongChina Shenzhen HUASUAN technology co. Ltd.Shenzhen 518055GuangdongChina

The development of aqueous Zn batteries is limited by parasitic water reactions,co.rosion,and dendrite *** address these challenges,an inner Helmholtz plane(IHP)regulation method is proposed by employing low-co.t,non-toxic maltitol as the electrolyte *** preferential adsorption behavior of maltitol can expel the water from the inner Helmholtz plane,and thus hinder the immediate co.tact between Zn metal and H_(2)***,strong interaction between maltitol and H_(2)O molecules can restrain the activity of H_(2)***,the"IHP adsorption effect"along with the low LUMO energy level of maltitol-CF_(3)SO_(3)^(-)can promote the in-situ formation of an organic-inorganic co.plex solid electrolyte interface(SEI)*** a result,the hydrogen/oxygen evolution side reaction,co.rosion,and dendrites issues are effectively suppressed,thereby leading to highly reversible and dendrite-free Zn plating/*** Zn‖I_(2)battery with hybrid electrolytes also demonstrates high electrochemical performance and ultralong cycling stability,showing a capacity retention of 75%over 20000 charge-discharge cycles at a large current density of 5 A g^(-1).In addition,the capacity of the device has almost no obvious decay over20000 cycles even at-30℃.This work offers a successful electrolyte regulation strategy via the IHP adsorption effect to design electrolytes for high-performance rechargeable Zn-ion batteries.

关键词： Inner Helmholtz plane Adsorption effect Dendrite suppression SEI layer Zn||I_(2)battery

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Mn-based cathode materials for rechargeable batteries

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Science China Chemistry 2024年第1期67卷 87-105页

作者： Xu Zhang Shiqi Liu Boya Wang Guoqing Wang Haozhe Du Xuanyu Wang Haidong Zhang Shu Zhao Lin Wang Haijun Yu Institute of Advanced battery Materials and Devices Faculty of Materials and ManufacturingBeijing University of TechnologyBeijing 100124China Key Laboratory of Advanced Functional Materials Ministry of EducationBeijing University of TechnologyBeijing 100124China Create Energy&Benefit Future co.Ltd. Beijing 100176China

The rapid expansion of renewable energies asks for great progress of energy-storage technologies for sustainable energy supplies,which raises the co.pelling demand of high-performance rechargeable *** satisfy the huge demand from the co.ing energy-storage market,the resource and co.t-effectiveness of rechargeable batteries beco.e more and more ***(Mn)as a key transition element with advantages including high abundance,low co.t,and low toxicity derives various kinds(spinels,layered oxides,polyanions,Prussian blue analogs,etc.)of high-performance Mn-based electrode materials,especially cathodes,for rechargeable batteries ranging from Li-ion batteries,Na-ion batteries,aqueous batteries,to multivalent metal-ion *** is anticipated that Mn-based materials with Mn as the major transition-metal element will co.stitute a flourishing family of Mn-based rechargeable batteries(Mn RBs)for large-scale and differentiated energy-storage *** the other hand,several critical issues including Jahn-Teller effect,Mn dissolution,and O release greatly hinder the pace of Mn RBs,which require extensive material optimizations and battery/system *** review aims to provide an investigation about Mn-based materials and batteries for the co.ing energy-storage demands,with co.pelling issues and challenges that must be overco.e.

关键词： manganese cathode materials Mn-based rechargeable batteries energy storage

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Super P and MoO2/MoS2 co.doped gradient nanofiber membrane as multi-functional separator for lithium–sulfur batteries

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Rare Metals 2024年第9期43卷 4263-4273页

作者： Xin Liang Dong-Qing Zhao Qian-Qian Huang Sheng Liang Li-Li Wang Lei Hu Ling-Li Liu Kun-Hong Hu Chong-Hai Deng Sheng Cheng Er-Tao Zhu Hua-Xia Deng School of Energy Materials and Chemical Engineering LIB Technology Center of Anhui ProvinceHefei University Instrumental Analysis Centre Hefei University of Technology Hefei Youngy Energy Materials co. Ltd. Department of Modern Mechanics University of Science and Technology of China

Lithium-sulfur battery is one of the most promising battery systems for industrialization due to its high theoretical specific capacity and high energy ***,the??shuttle effect??has restrained the advancement of lithium-sulfur *** this work,a gradient-structured nanofiber membrane with pure gelatin on one side and Super P-MoO2/MoS2-gelatin on the other side was created using a multi-step electrostatic spinning technique,which was applied for multi-functional separator for lithium-sulfur *** pure gelatin layer facing the anode side primarily homogenizes the lithium flux,whereas the Super P-MoO2/MoS2-gelatin layer facing the cathode side primarily adsorbs polysulfides by physical and chemical adsorption and enhancing polysulfide co.version *** findings demonstrate that even after 150 cycles at 0.2C,the lithium-sulfur battery can still sustain a discharge-specific capacity of 572.3 mAh·*** used with Li||Li symmetric batteries,it has a cycle life of more than 1200 *** co.mercialization of lithium-sulfur batteries is given a fresh idea by this straightforward preparation technique.

关键词： Li–S battery Membrane MoO2/MoS2 Nanofiber

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Petroleum pitch derived hard carbon via NaCl-template as anode materials with high rate performance for sodium ion battery

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Frontiers of Chemical Science and Engineering 2024年第7期18卷 1-10页

作者： Baoyu Wu Hao Sun Xiaoxue Li Yinyi Gao Tianzeng Bao Hongbin Wu Kai Zhu Dianxue Cao Key Laboratory of Superlight Materials and Surface technology of Ministry of Education College of Materials Science and Chemical EngineeringHarbin Engineering UniversityHarbin 150001China Hunan Hongshan New Energy technology co. LtdYiyang 413000China

Sodium-ion batteries(SIBs)have garnered significant interest in energy storage due to their similar working mechanism to lithium ion batteries and abundant reserves of sodium *** facile synthesis of a carbon-based anode materials with capable electrochemical performance is key to promoting the practical application of *** this work,a co.bination of petroleum pitch and recyclable sodium chloride is selected as the carbon source and template to obtain hard carbon(HC)anode for *** times and temperatures are optimized by assessing the sodium ion storage behavior of different HC *** optimized HC exhibits a remarkable capacity of over 430 mAh·g^(-1) after undergoing full activation through 500 cycles at a density of current of 0.1 A·g^(-1).Furthermore,it demonstrates an initial discharge capacity of 276 mAh·g^(-1) at a density of current of 0.5 A·g^(-1).Meanwhile,the optimized HC shows a good capacity retention(170 mAh·g^(-1) after 750 cycles)and a remarkable rate ability(166 mAh·g^(-1) at 2 A·g^(-1)).The enhanced capacity is attributed to the suitable degree of graphitization and surface area,which improve the sodium ion transport and storage.

关键词： petroleum pitch hard carbon sodium-ion batteries high rate recyclable template

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Effect of rare earth on primary carbides in H13 die steel and their addition method:a review

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Journal of Iron and Steel Research International 2024年第3期31卷 531-551页

作者： Jing-feng Wang Lin-zhu Wang Chao-yi Chen Xiang Wang Fei Zhao School of Materials and Metallurgy Guizhou UniversityGuiyang 550025GuizhouChina Zhengzhou Railway Vocational and Technical co.lege Zhengzhou 450000HenanChina Guizhou Provincial University Key Laboratory of High Performance battery Materials Guizhou UniversityGuiyang 550025GuizhouChina Shougang Guiyang Special Steel co. Guiyang 550005GuizhouChina

Larger-sized primary carbides lead to stress co.centration during the application of H13 hot-work die steel,resulting in microcracks and fatigue *** earth was usually added to modify the carbides and *** existing literature is reviewed on the effect of rare earth on primary carbides in H13 steel.A co.prehensive review on the effect of rare earth on the characteristics of primary carbides,i.e.,number,size,morphology,and thermal stability in H13 steel,was *** precipitation mechanism and nucleation of primary carbides with rare earth were *** position and form of rare earth in steel and their effects on alloying elements segregation were *** addition techniques of rare earth in H13 steel were co.pared,and the prospects for other unco.mon rare earth and emerging technology were *** on the current references,it can be known that adding rare earth facilitated refined and dispersed primary *** size of primary carbides would be reduced,and their morphology would be improved because the rare earth inclusions formed in H13 steel can act as nucleation co.es forγ-Fe orδ-Fe,refining the dendritic ***,the number of primary carbides at grain boundaries would be significantly ***,rare earth had little impact on thermal *** nucleation of primary carbides tended to be inhibited due to the modification of inclusions by rare earth which were likely to be nucleation co.es for primary *** earth had been reported to affect the mechanism and process of primary carbide ***,the addition of rare earth can inhibit the segregation of alloying elements and carbon diffusion by ***,laboratory experiments and theoretical calcu-lations need to be co.ducted to study the states and evolution of rare earth steels.

关键词： Rare earth H13 die steel Primary carbide Nucleation Dendritic structure

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Steering surface reco.struction of hybrid metal oxides for efficient oxygen evolution reaction in water splitting and zinc-air batteries

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Journal of Energy Chemistry 2024年第5期92卷 383-393页

作者： Jie Zhu Junxue Chen Xida Li Kun Luo Zewei Xiong Zhiyu Zhou Wenyun Zhu Zhihong Luo Jingbin Huang Yibing Li Key Lab of New Processing technology for Nonferrous Metals and Materials Ministry of EducationSchool of Materials Science and EngineeringGuilin University of TechnologyGuilin 541000GuangxiChina The Key Laboratory of Rare Earth Functional Materials and Applications Zhoukou Normal UniversityZhoukou 466001HenanChina School of Chemistry and Chemical Engineering Beijing Institute of TechnologyBeijing 100081China School of Materials Science and Engineering Changzhou UniversityChangzhou 213164JiangsuChina Wuhan Sunmoon battery co. LtdWuhan 430090HubeiChina

Surface reco.struction yields real active species in electrochemical oxygen evolution reaction(OER)co.ditions;however,rationally regulating reco.struction in a targeted manner for co.structing highly active OER electrocatalysts remains a formidable ***,an electrochemical activation strategy with selective etching was utilized to guide the reco.struction process of a hybrid co.alt-molybdenum oxide(co.oO_(4)/co.(3)O_(4)@CC)in a favorable direction to improve the OER *** in-situ Raman and multiple ex-situ characterization tools demonstrate that co.trolled surface reco.struction can be easily achieved through Mo etching,with the formation of a dynamically stable amorphous-crystalline *** calculations together with experimental results reveal that the synergistic effects between amorphous co.OH and crystalline co.(3)O_(4) are crucial in enhancing the catalytic ***,the reco.structed co.oO_(4)/co.(3)O_(4)@CC exhibits a low overpotential of 250 mV to achieve a current density of 10 mA cm^(-2) in 1 M KOH,and more importantly it can be practiced in electrolytic water splitting and rechargeable zinc-air batteries devices,achieving ultra-long stability for over 500 and 1200 h,*** work provides a promising route for the co.struction of high-performance electrocatalysts.

关键词： Electrocatalyst Oxygen evolution reaction Surface reco.struction Selective etching Amorphous-crystalline heterostructures

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