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中国畜牧兽医学会动物解剖及组织胚胎学分会第十九次学术研讨会

作者： like li liangqin Shi Heng liu Qihui Luo Chao Huang Wentao liu Xiaolin Chen Wen Zeng Zhengli Chen Laboratory of Animal Disease Model College of Veterinary MedicineSichuan Agricultural University Key Laboratory of Animal Disease and Human Health of Sichuan Province College of Veterinary MedicineSichuan Agricultural University

Parkinson’s disease(PD) is an age-related neurodegenerative *** its pathogenic mechanism is not understand,oxidative stress is believed to play a key role in this *** order to clarify its influence on PD progress,we performed study in eight rhesus monkeys treated with 1l-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine(MPTP) by intramuscular injection to develop a slow evolution of *** serum superoxide dismutase(SOD),malondialdehyde(MDA),glutathione(GSH),glutathione peroxidase(GPX),and glutathione-s-transferase(GST) were detected by *** whole blood gamma-glutamyl transpeptidase(GGT),gamma-glutamylcysteine synthetase(GCS),glutathione peroxidase 1(GPX-1),and glutathione-s-transferase pi(GST-pi) were measured by *** systemic administration,monkeys gradually developed typical symptoms of PD,while the susceptibility of individual monkeys to the MPTP differed,so the toxin damages of dopaminergic neurons in brain’s substantia nigra were dissimilar,and all the monkeys showed distinct clinical behavioral symptoms which lead to the behavioral scores were big difference in the early *** all the monkeys subsequently developed the major motor symptoms of PD when receiving an additional treatment with *** prolong treated MPTP,monkeys reached a state of stable parkinsonism,and no significant variation was observed *** the contents of GSH,MDA and the expression of GCS,GST-pi kept increasing,while the activity of GPX,GST,SOD and expression of GPX-1 kept decreasing,no change was observed in GGT *** work displayed the antioxidants changes in the blood of MPTP-treated monkeys accompanied with the progresses of PD,and these data suggested a potential identification or diagnosis of PD at different time point through the blood analysis.

关键词： anti-oxidation enzymes MPTP monkey

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基于人-车-路耦合振动系统的儿童乘坐舒适性

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重庆交通大学学报（自然科学版） 2013年第2期32卷 351-359页

作者：钱凯胡启国李力克重庆交通大学机电与汽车工程学院重庆400074

根据拉格朗日原理,建立了基于人-车-路耦合振动的12自由度动力学数学模型;借助MATLAB/Simulink平台,分析车速、路面不平度、汽车前后轮迟滞性及左右轮相干性的特点;构建了随机路面激励时域模型;采用时域和频域分析了在不同路面及不同车... 详细信息

根据拉格朗日原理,建立了基于人-车-路耦合振动的12自由度动力学数学模型;借助MATLAB/Simulink平台,分析车速、路面不平度、汽车前后轮迟滞性及左右轮相干性的特点;构建了随机路面激励时域模型;采用时域和频域分析了在不同路面及不同车速下汽车对儿童头部、臀部振动影响。研究表明:通过提高路面等级及车速可以提高儿童的乘坐舒适性;儿童对5～10 Hz的低频及15,23 Hz的中频振动最为敏感;适当地降低座椅刚度、提高阻尼及合理地布置座椅位置可以提高儿童的乘坐舒适性。

关键词：人-车-路耦合 12自由度 MATLAB/simulink 功率谱分析乘坐舒适性

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Leaching kinetics of fluorine during the aluminum removal from spent li-ion battery cathode materials

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Journal of Environmental Sciences 2024年第4期138卷 312-325页

作者： Shengjie li Jianxin Zhu Research Center for Eco-Environmental Sciences Chinese Academy of SciencesBeijing 100085China University of Chinese Academy of Sciences Beijing 100049China

The high content of aluminum(Al)impurity in the recycled cathode powder seriously affects the extraction efficiency of Nickel,Cobalt,Manganese,and lithium resources and the actual commercial value of recycled materials,so Al removal is crucially important to conform to the industrial standard of spent li-ion battery cathode *** this work,we systematically investigated the leaching process and optimum conditions associated with Al removal from the cathode powder materials collected in a wet cathode-powder peeling and recycling production line of spent li-ion batteries(liBs).Moreover,we specifically studied the leaching of fluorine(F)synergistically happened along with the removal process of Al,which was not concerned about in other studies,but one of the key factors affecting pollution prevention in the recovery *** mechanism of the whole process including the leaching of Al and F from the cathode powder was indicated by using NMR,FTIR,and XPS,and a defluoridation process was preliminarily investigated in this *** leaching kinetics of Al could be successfully described by the shrinking core model,controlled by the diffusion process and the activation energy was 11.14 kJ/***,the leaching of F was attributed to the dissolution of liPF6and decomposition of PVDF,and the kinetics associated was described by Avrami *** interaction of Al and F is advantageous to realize the defluoridation to some *** is expected that our investigation will provide theoretical support for the large-scale recycling of spent liBs.

关键词： Al removal F leaching Cathode powder Heating alkali leaching Leaching kinetics

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SEI/dead li-turning capacity loss for high-performance anode-free solid-state lithium batteries

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Journal of Energy Chemistry 2024年第9期96卷 145-152页

作者： Qianwen Yin Tianyu li Hongzhang Zhang Guiming Zhong Xiaofei Yang Xianfeng li Division of Energy Storage Dalian National Laboratory for Clean EnergyDalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023LiaoningChina University of Chinese Academy of Sciences Beijing 100049China Key Laboratory of Long-Duration and Large-Scale Energy Storage Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023LiaoningChina Laboratory of Advanced Spectro-Electrochemistry and lithium-Ion Batteries Dalian National Laboratory for Clean EnergyDalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023LiaoningChina

Anode-free solid-state lithium metal batteries(AF-SSLBs)have the potential to deliver higher energy density and improved safety beyond lithium-metal ***,the unclear mechanism for the fast capacity decay in AF-SSLBs,either determined by dead li or solid electrolyte interface(SEI),limits the proposal of effective strategies to prolong cycling *** clarify the underlying mechanism,herein,the evolution of SEI and dead li is quantitatively analyzed by a solid-state nuclear magnetic resonance(ss-NMR)technology in a typical liPF6-based polymer *** results show that the initial capacity loss is attributed to the formation of SEI,while the dead li dominates the following capacity loss and the growth rate is 0.141 mA h cm^(−2)cycle−*** reduce the active li loss,the combination of inorganic-rich SEI and self-healing electrostatic shield effect is proposed to improve the reversibility of li deposition/dissolution behavior,which reduces the capacity loss rate for the initial SEI and following dead li generation by 2.3 and 20.1 folds,*** a result,the initial Coulombic efficiency(ICE)and stable CE increase by 15.1%and 15.3%in li-Cu cells,which guides the rational design of high-performance AF-SSLBs.

关键词： Solid-state lithium batteries Solid-state NMR Anode-free SEI Dead li

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普通高校体育课中运用研讨式教学法的探讨

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哈尔滨体育学院学报 2008年第5期26卷 78-79,82页

作者：李柯莉东北财经大学体育部辽宁大连116025

通过研讨式教学法在普通高校体育课中的运用,分析和研究研讨式教学法在普通高校体育课中的实施。表明研讨式教学法在体育教学改革方面的意义和重要性,从而达到更好的教学效果。

关键词：研讨式教学法普通高校体育课实施效果

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Theoretical Design of Defects as a Driving Force for Ion Transport in li_(3)OBr Solid Electrolyte

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Energy & Environmental Materials 2024年第3期7卷 143-153页

作者： Xingyun Luo Yanlu li Xian Zhao State Key Lab of Crystal Materials and Institute of Crystal Materials Shandong UniversityJinan 250100China Center for Optics Research and Engineering Shandong UniversityQingdao 266237China

Due to ever-increasing concerns about safety issues in using li ionic batteries,solid electrolytes have extensively *** li-rich antiperovskite li_(3)OBr has been considered as a promising solid electrolyte candidate,but it still suffers challenges to achieve a high ionic conductivity owing to the high intrinsic symmetry of the crystal ***,we presented a design strategy that introduces various point defects and grain boundaries to break the high lattice symmetry of li_(3)OBr crystal,and their effect and microscopic mechanism of promoting the migration of li-ion were explored *** has been found that li_(i)are the dominant defects responsible for the fast li-ion diffusion in bulk li_(3)OBr and its surface,but they are easily trapped by the grain boundaries,leading to the annihilating of the Frenkel defect pair V'_(li)+li_(i),and thus limits the V'_(li)diffusion at the grain *** V_(Br)defect near the grain boundaries can effectively drive V'_(li)across the grain boundary,thereby converting the carrier of li^(+)migration from li,in the bulk and surface to V'_(li)at the grain boundary,and thus improving the ionic conductivity in the whole li_(3)OBr *** work provides a comprehensive insight into the li^(+)transport and conduction mechanism in the li_(3)OBr *** opens a new way of improving the conductivity for all-solid-state li electrolyte material through the defect design.

关键词： defects density functional theory ionic migration solid electrolyte

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Highly polar CoP/Co_(2)P heterojunction composite as efficient cathode electrocatalyst for li-air battery

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Chinese Chemical Letters 2024年第9期35卷 486-490页

作者： Miaomiao li Mengwei Yuan Xingzi Zheng Kunyu Han Genban Sun Fujun li Huifeng li Beijing Key Laboratory of Energy Conversion and Storage Materials College of ChemistryBeijing Normal UniversityBeijing 100875China Key Laboratory of Advanced Energy Materials Chemistry(Ministry of Education) College of ChemistryNankai UniversityTianjin 300071China Center for Advanced Materials Research Beijing Normal UniversityZhuhai 519087China

In order to advance the commercialization of rechargeable li-air batteries,it is of importance to explore cathode catalyst with efficient catalytic *** metal oxides have poor electrical conductivity,while cobalt phosphide has excellent electrical conductivity and large specific surface ***,its application in organic li-air batteries has been much less studied,and the electrocatalytic activity desires to be further ***,CoP/Co_(2)P heterojunction composite with higher polarity was *** discharge product of high-polarity CoP/Co_(2)P had a new porous box-like morphology,which was easy to be decomposed and exposed more active *** highly polar CoP/Co_(2)P heterostructure composite had homogeneous pores,the synergistic effect existed between CoP and Co_(2)P,and the discharge product was porous box mixed with li_(2)O_(2)and liOH,which made CoP/Co_(2)P achieve high specific capacity of14632 m Ah/g and cycle stably 161 times when used as air electrode cathode *** work furnished a thought for the construction of cathode catalysts with efficient catalytic activity for li-air batteries.

关键词： li-air battery Cathode catalyst CoP/Co_(2)P Heterojunction structure High polarity

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Synergy effect of regulated li-plating and functional solid electrolyte interphase on graphite anodes

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Nano Research 2024年第9期17卷 8077-8085页

作者： Panpan Wang Baojia Xia Jianling li State Key Laboratory of Advanced Metallurgy University of Science and Technology BeijingBeijing 100083China Shanghai Institute of Microsystem and Information Technology Chinese Academy of SciencesShanghai 201800China

The growth of li dendrites poses potential safety hazard to lithium-ion batteries(liBs),and eliminating li dendrites thoroughly stills face tough difficulties ***,regulating li-plating is a critical optimization-direction to address the ***,a“graphite-li hybrid”anode with high reversibility is realized under the constant-capacity lithiation(CCL).Within CCL,the uniform distribution of li-plating on the graphite surface is successfully *** evolution in different states of solid electrolyte interphase(SEI)is investigated in detail to study the interaction between the potentials and impedance during the process of liintercalation and *** the potential below 0 V and the state of charge(SOC)of 110%relative to the theoretical capacity,the F-rich SEI with high stability is constructed to hinder the emergency of li dendrites and maintain the intact structure of graphite anode under long *** cell presents more than 100%Coulombic efficiency(CE)with the 900 cycles,demonstrating the reversible li-plating and the utilization of *** the CCL half-cell provides a good cycling performance and specific capacity of 900 cycles at 0.5 C,it is attributed to the synergy effect of stable inorganic-rich SEI and regulated active li-plating.

关键词： "graphite-li hybrid"anode li-plating reversibility solid electrolyte interphase(SEI)

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Robust chemo-mechanical stability of additives-free SiO2anode realized by honeycomb nanolattice for high performance li-ion batteries

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Chinese Chemical Letters 2024年第10期35卷 468-472页

作者： Xinpin Pan Yongjian Cui Zhe Wang Bowen li Hailong Wang Jian Hao Feng li Jing li Advanced Energy Storage Materials Lab School of Materials and New Energy Ningxia University School of Chemistry and Chemical Engineering Ningxia University

Silicon-based anodes including Si, Si Oxand SiO2could deliver ultra-large capacities, but degrade fast owing to huge volume change and low conductivity. Generally, large amounts of elastic binder and conductive additives were composited with nanosized silicon-based materials to yield reasonable cycling stability, which nevertheless not only decrease specific capacity but also induce inhomogeneous lithiation/delithiation as well as uneven stress variations. Artificial nanolattice has exhibited superior mechanical properties which could be ideal structure for silicon-based anodes, but yet faces challenges in integration of chemical reactivity, conductivity and mechanical stability. Herein, we fabricate artificial SiO2honeycomb nanolattice consisting of numerous nanoscale SiO2cells interconnected by through-holes,and conformal coating of highly graphitic carbon on the nanolattice is achieved through in situ catalytic graphitization. Moreover, the nanolattice is firmly bonded on Cu substrate through atomic interdiffusion irrespective of surface roughness. This unique structure allows fast charge transportation and homogeneous lithiation/delithiation throughout the micron-meter nanolattice, which results in excellent stability and large reversible capacity over 500 cycles at 1 A/g. The results highlight design and constructing artificial nanolattice can be an effective way to prevent chemo-mechanical degradation of silicon-based anode materials.

关键词： Conductivity li-ion batteries Nanolattice SiO2 anode Stability

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Highly-chlorinated inert and robust interphase without mineralization of oxide enhancing high-rate li metal batteries

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Chinese Chemical Letters 2024年第6期35卷 239-243页

作者： Long li Kang Yang Chenpeng Xi Mengchao li Borong li Gui Xu Yuanbin Xiao Xiancai Cui Zhiliang liu lingyun li Yan Yu Chengkai Yang Key Laboratory of Advanced Materials Technologies International(HongKong Macao and Taiwan)Joint Laboratory on Advanced Materials TechnologiesSchool of Materials Science and EngineeringFuzhou UniversityFuzhou 350108China College of Material Sciences and Chemical Engineering Harbin Engineering UniversityHarbin 150001China

Side reactions and dendrite growth triggered by the unstable interface and inhomogeneous deposition have become the biggest obstacle to the commercialization for lithium metal *** this study,a highly-chlorinated organic-inorganic hybrid interfacial protective layer is developed by rationally tuning the interfacial passivation and robustness to achieve the convenient and efficient li metal *** polyvinyl chloride(PVC)can effectively resist water and oxygen,which is confirmed by density functional *** organic-dominant solid electrolyte interphases(SEI)with lithium chloride are investigated by the X-ray photoelectron spectroscopy(XPS)with little mineralization of oxide,such as li_(2)O and li_(2)CO_(3).With such artificial SEI,a uniform and dense lithium deposition morphology are formed and an ultra-long stable cycle of over 500 h are achieved even at an ultra-high current density of 10 m A/cm^(2).Moreover,the simple and convenient protected anode also exhibits excellent battery stability when paired with the liNi_(0.8)Co_(0.1)Mn_(0.1)O_(2)(NCM811)and liFePO_(4)(LFP)cathode,showing great potential for the commercial application of lithium metal batteries.

关键词： Highly-chlorinated Water/oxygen resistance Stable interphase Dendrite-free lithium metal batteries High-rate

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