检索结果-南通市图书馆

A widely used nonionic surfactant with desired functional groups as aqueous electrolyte additives for stabilizing Zn anode

在线全文

学校读者我要写书评

暂无评论

Rare Metals 2024年第8期43卷 3692-3701页

作者： Yue-Xian Song Xiao-Feng Wang Cai-Bin Liu Kai-Xuan Guo Xu-Huan Guo Xiao-Bin Zhong yao-hui zhang Kai Wang hui-Juan Guo Li-Xin zhang Jun-Fei Liang School of Energy and Power Engineering North University of ChinaTaiyuan 030051China Key Laboratory of Green Chemical Process of Ministry of Education Hubei Key Laboratory of Novel Chemical Reactor and Green Chemical TechnologySchool of Chemical Engineering and PharmacyWuhan Institute of TechnologyWuhan 430073China Shanxi Provincial Key Laboratory for High Performance Battery Materials and Devices Taiyuan 030051China

Aqueous Zn-ion batteries(AZIBs) have emerged as potential candidates for Li-ion batteries due to their intrinsic safety and high ***,metallic Zn anodes encounter dendrite growth and water-induced corrosion,rendering poor stability and severe irreversibility at the electrode/electrolyte interface during *** stabilize the Zn anode,we report a low-cost and effective nonionic surfactant,Tween-20 polymer,as an electrolyte additive for *** Tween-20,sequential oxyethylene groups tended to be preferentially adsorbed on the Zn electrode to form a shielding layer for regulating uniform Zn ***,the hydrophobic hendecyl chains prevented H_(2)O-induced corrosion on the Zn anode *** from the desired functional groups,when only trace amounts of Tween-20(0.050 g·L^(-1)) were used,the Zn anode displayed good cycling stability over 2170 h at10 mA·cm^(-2) and a high average Coulombic efficiency of98.94% over 1000 *** Tween-20 polymer can also be effectively employed in MnO_(2)/Zn full *** their toxicity,price and amount of usage,these surfactant additives provide a promising strategy for realizing the stability and reversibility of high-performance Zn anodes.

关键词： Zn anode Dendrite growth Tween-20 polymer Surfactant additive Aqueous electrolyte

Regeneration of photovoltaic industry silicon waste toward high-performance lithium-ion battery anode

在线全文

学校读者我要写书评

暂无评论

Rare Metals 2024年第10期43卷 4948-4960页

作者： Kai Wang Xiao-Bin Zhong Yue-Xian Song yao-hui zhang Yan-Gang zhang Xiao-Gang You Pu-Guang Ji Kurbanov Mirtemir Shodievich Umedjon Khalilov Gong-Kai Wang Xin zhang Xing-Liang yao Feng Li Jun-Fei Liang Hua Wang School of Energy and Power Engineering North University of ChinaTaiyuan 030051China Zhongyuan Critical Metals Laboratory Zhengzhou UniversityZhengzhou 450001China Tianjin Key Laboratory of Materials Laminating Fabrication and Interface Control Technology School of Material Science and EngineeringHebei University of TechnologyTianjin 300130China Arifov Institute of Ion-Plasma and Laser Technologies Academyof Sciences of theRepublic of Uzbekistan100077 TashkentUzbekistan New Uzbekistan University 100007 TashkentUzbekistan Arifov Institute of Ion-Plasma and Laser Technologies Academy of Sciences of Uzbekistan100125 TashkentUzbekistan University of Antwerp 2610 AntwerpBelgium School of Chemistry Beihang UniversityBeijing 100191China

The diamond-wire sawing silicon waste(DWSSW)from the photovoltaic industry has been widely considered as a low-cost raw material for lithium-ion battery silicon-based electrode,but the effect mechanism of impurities presents in DWSSW on lithium storage performance is still not well understood;meanwhile,it is urgent to develop a strategy for changing DWSSW particles into high-performance electrode *** this work,the occurrence state of impurities presents in DWSSW was carefully analyzed using in situ Ar ion etching technology Then,the novel Si@C@SiO_(x)@PAl-NDC composite was designed through in situ encapsulation *** obtained Si@C@SiO_(x)@PAl-NDC electrode shows a high first capacity of 2343.4 mAh·g^(-1)with an initial Coulombic efficiency(ICE)of 84.4%under current density of 1.0 A·g^(-1),and can deliver an impressive capacity of 984.9 mAh·g^(-1)after 200 *** numerical simulation modeling calculations,the increase in proportion of Si^(4+)/Si^(0)and Si^(3+)/Si^(0)valence states in SiO_(x)layer leads to a decrease in von Mises stress,which ultimately improves the cycling structural ***,the porous 2D-3D aluminum/nitrogen(Al/N)co-doped carbon layer and nanowires on SiO_(x)layer can provide abundant active sites for lithium storage due to its developed hierarchical pores structure,which facilitates ion transport What is more,the performance of Si@C@SiO_(x)@PAl-NDC//LiFePO_(4)full cell shows its great potential in practical application.

关键词： Sawing silicon waste In situ encapsulation Aluminum/nitrogen co-doped Porous carbon nanowires Lithium-ion batteries

An Efficient Boron Source Activation Strategy for the Low‑Temperature Synthesis of Boron Nitride Nanotubes

在线全文

学校读者我要写书评

暂无评论

Nano-Micro Letters 2025年第1期17卷 548-558页

作者： Ying Wang Kai zhang Liping Ding Liyun Wu Songfeng E Qian He Nanyang Wang hui Zuo Zhengyang Zhou Feng Ding Yue Hu Jin zhang Yagang yao National Laboratory of Solid State Microstructures College of Engineering and Applied SciencesJiangsu Key Laboratory of Artificial Functional Materialsand Collaborative Innovation Center of Advanced MicrostructuresNanjing UniversityNanjing 210093People’s Republic of China School of Electronic Information and Artificial Intelligence Shaanxi University of Science&TechnologyXian 710000People’s Republic of China College of Bioresources Chemical and Materials Engineering Shaanxi University of Science&TechnologyXian 710000People’s Republic of China Key Laboratory of Carbon Materials of Zhejiang Province College of Chemistry and Materials EngineeringWenzhou UniversityWenzhou 325000People’s Republic of China Shenzhen Institutes of Advanced Technology Chinese Academy of SciencesShenzhen 518000People’s Republic of China College of Chemical and Molecular Engineering Peking UniversityBeijing 100871People’s Republic of China

Lowering the synthesis temperature of boron nitride nanotubes(BNNTs)is crucial for their *** primary reason for adopting a high temperature is to enable the effective activation of highmelting-point solid *** this study,we developed a novel approach for efficiently activating boron by introducing alkali metal compounds into the conventional MgO–B *** approach can be adopted to form various low-melting-point AM–Mg–B–O growth *** growth systems have improved catalytic capability and reactivity even under low-temperature conditions,facilitating the synthesis of BNNTs at temperatures as low as 850℃.In addition,molecular dynamics simulations based on density functional theory theoretically demonstrate that the systems maintain a liquid state at low temperatures and interact with N atoms to form BN *** findings offer novel insights into the design of boron activation and are expected to facilitate research on the low-temperature synthesis of BNNTs.

关键词： Boron nitride nanotubes Low-temperature Boron activation Density functional theory

在线全文

学校读者我要写书评

暂无评论

情感语音的非线性动力学特征

西安电子科技大学学报 2016年第5期43卷 167-172页

作者：姚慧孙颖张雪英太原理工大学信息工程学院山西太原030024

基于语音发声过程中的混沌特性,提出了非线性动力学模型与情感语音信号处理相结合的方法.提取了该模型下情感语音的非线性特征:最小延迟时间、关联维数、Kolmogorov熵、最大Lyapunov指数和Hurst指数.设计情感语音识别对比实验以验证非... 详细信息

基于语音发声过程中的混沌特性,提出了非线性动力学模型与情感语音信号处理相结合的方法.提取了该模型下情感语音的非线性特征:最小延迟时间、关联维数、Kolmogorov熵、最大Lyapunov指数和Hurst指数.设计情感语音识别对比实验以验证非线性特征性能.首先,选用德国柏林语音库和自主录制的TYUT2.0情感语音数据库中的3种情感(高兴、悲伤和愤怒)作为实验数据来源;其次,分别提取非线性特征、韵律特征和梅尔频率倒谱系数特征,采用支持向量机进行了情感识别.结果表明,非线性特征在柏林数据库实验中的识别率高于韵律特征识别率,但是略低于梅尔频率倒谱系数特征识别率,验证了非线性特征是一组区分情感的有效特征;在TYUT2.0数据库中的识别率均高于韵律特征和梅尔频率倒谱系数特征的识别率,在语料真实度和自然度更高的TYUT2.0数据库中识别结果相对更高,鲁棒性更好.

关键词：情感语音识别混沌特性非线性特征动力学模型

椭圆函数背景下Gerdjikov-Ivanov方程的多呼吸子

在线全文

学校读者我要写书评

暂无评论

物理学报 2024年第4期73卷 9-20页

作者：姚慧张海强熊玮玥上海理工大学理学院上海200093

作为非线性发展方程的一种特殊局域解,呼吸子具有包络振荡结构,且这种振荡呈现周期性变化.根据呼吸子在分布方向和演化方向的周期性,呼吸子主要有3种类型,即Kuznetsov-Ma呼吸子(Kuznetsov-Ma breather,KMB)、Akhmediev呼吸子(Akhmediev ... 详细信息

作为非线性发展方程的一种特殊局域解,呼吸子具有包络振荡结构,且这种振荡呈现周期性变化.根据呼吸子在分布方向和演化方向的周期性,呼吸子主要有3种类型,即Kuznetsov-Ma呼吸子(Kuznetsov-Ma breather,KMB)、Akhmediev呼吸子(Akhmediev breather,AB)和一般呼吸子(general breather,GB).近年来,周期背景下的呼吸子现象在许多非线性物理领域被观察到,比如在非线性光纤光学、流体力学等.研究表明背景周期波的调制不稳定性可以激发呼吸子的产生,且周期背景下的呼吸子具有非常丰富的物理性质和相互作用.因此,最近在周期背景下呼吸子的时空结构和相互作用引起了广泛关注.Gerdjikov-Ivanov方程可以被用来描述在量子场理论、弱非线性色散水波、非线性光学等领域中的非线性物理现象.构造该模型的各种类型的解是非常有意义的工作.据了解,在椭圆函数背景下的多呼吸子之前还未被研究过.本文首先利用修正的平方波(modified squared wave,MSW)函数法和行波变换法获得该方程的椭圆函数解.然后,在椭圆函数解初始条件下得到该方程Lax对的通解.基于椭圆函数的转换公式以及积分公式,将势函数周期解化简为只含有Weierstrass椭圆函数.然后,利用达布变换构造出在椭圆函数背景下呼吸子的具体表达形式.在椭圆函数背景下,推导出3种不同类型的呼吸子,包括GB,KMB和AB.最后,给出3种呼吸子的时空结构三维图,并且展示它们之间相互作用的过程.

关键词： Gerdjikov-Ivanov方程椭圆函数达布变换呼吸子

Bilevel Optimal Scheduling of Island Integrated Energy System Considering Multifactor Pricing

同方期刊数据库博看期刊评论

在线全文

学校读者我要写书评

暂无评论

Energy Engineering 2025年第1期122卷 349-378页

作者： Xin zhang Mingming yao Daiwen He Jihong zhang Peihong Yang Xiaoming zhang School of Automation and Electrical Engineering Inner Mongolia University of Science and TechnologyBaotou014010China

In this paper,a bilevel optimization model of an integrated energy operator(IEO)–load aggregator(LA)is constructed to address the coordinate optimization challenge of multiple stakeholder island integrated energy system(IIES).The upper level represents the integrated energy operator,and the lower level is the electricity-heatgas load *** to the benefit conflict between the upper and lower levels of the IIES,a dynamic pricing mechanism for coordinating the interests of the upper and lower levels is proposed,combined with factors such as the carbon emissions of the IIES,as well as the lower load interruption *** price of selling energy can be dynamically adjusted to the lower LA in the mechanism,according to the information on carbon emissions and load interruption *** benefits and win-win situations are achieved between the upper and lower ***,CPLEX is used to iteratively solve the bilevel optimization *** optimal solution is selected according to the joint optimal discrimination *** results indicate that the sourceload coordinate operation can reduce the upper and lower operation *** the proposed pricingmechanism,the carbon emissions and load interruption power of IEO-LA are reduced by 9.78%and 70.19%,respectively,and the capture power of the carbon capture equipment is improved by 36.24%.The validity of the proposed model and method is verified.

关键词： Bilevel optimal scheduling load aggregator integrated energy operator carbon emission dynamic pricing mechanism

Glycolytic dysregulation in Alzheimer's disease:unveiling new avenues for understanding pathogenesis and improving therapy

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Neural Regeneration Research 2025年第8期20卷 2264-2278页

作者： You Wu Lijie Yang Wanrong Jiang Xinyuan zhang Zhaohui yao Department of Geriatrics Renmin Hospital of Wuhan UniversityWuhanHubei ProvinceChina

Alzheimer's disease poses a significant global health challenge owing to the progressive cognitive decline of patients and absence of curative *** current therapeutic strategies,primarily based on cholinesterase inhibitors and N-methyl-Daspartate receptor antagonists,offer limited symptomatic relief without halting disease progression,highlighting an urgent need for novel research directions that address the key mechanisms underlying Alzheimer's *** studies have provided insights into the critical role of glycolysis,a fundamental energy metabolism pathway in the brain,in the pathogenesis of Alzheimer's *** in glycolytic processes within neurons and glial cells,including microglia,astrocytes,and oligodendrocytes,have been identified as significant contributors to the pathological landscape of Alzheimer's *** changes impact neuronal health and function,thus offering promising targets for therapeutic *** purpose of this review is to consolidate current knowledge on the modifications in glycolysis associated with Alzheimer's disease and explore the mechanisms by which these abnormalities contribute to disease onset and *** focus on the pathways through which glycolytic dysfunction influences Alzheimer's disease pathology should provide insights into potential therapeutic targets and strategies that pave the way for groundbreaking treatments,emphasizing the importance of understanding metabolic processes in the quest for clarification and management of Alzheimer's disease.

关键词： Alzheimer’s disease glial cells glycolysis neuronal metabolism pathogenesis therapeutic targets

Highly conductive and stable iodine doped argyrodite electrolyte for all-solid-state lithium batteries

在线全文

学校读者我要写书评

暂无评论

Journal of Energy Chemistry 2025年第1期100卷 50-58页

作者： Gaozhan Liu Jing zhang Jing Yang Jinghui Chen Xingyue Xiao Xiayin yao Ningbo Institute of Materials Technology and Engineering Chinese Academy of Sciences Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of Sciences

Lithium argyrodites with high ionic conductivity and low cost are considered as one of the most prospective solid electrolytes for all-solid-state lithium ***,the poor chemical stability and compatibility with lithium metal limit their ***,Li5.4PS4.4Cl1.4I0.2solid electrolyte with high ionic conductivity of 11.49 m S cm-1and improved chemical stability is synthesized by iodine *** ultra-thin Li5.4PS4.4Cl1.4I0.2membrane with thickness of 10μm can be obtained by wet coating process,exhibiting a high ionic conductivity of 2.09 mS cm-1and low areal resistance of 1.17Ω***,iodine doping could in-situ form LiI at the lithium/electrolyte interface and improve the critical current density of Li5.4PS4.4Cl1.6from 0.8 to 1.35 mA *** resultant LiCoO2/Li5.4PS4.4Cl1.4I0.2/Li battery shows excellent cycling stability at 1 C,with a reversible specific capacity of 110.1 mA h g-1and a retention of 80.5% after 1000 *** addition,the assembled LiCoO2/Li5.4PS4.4Cl1.4I0.2membrane/Li pouch cell delivers an initial discharge capacity of 110.4 mA h g-1and 80.5% capacity retention after 100 cycles.

关键词： Solid-State Batteries

Unraveling brain aging through the lens of oral microbiota

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Neural Regeneration Research 2025年第7期20卷 1930-1943页

作者： Qinchao Hu Si Wang Weiqi zhang Jing Qu Guang-hui Liu State Key Laboratory of Membrane Biology Institute of ZoologyChinese Academy of SciencesBeijingChina Hospital of Stomatology Guanghua School of StomatologyGuangdong Provincial Key Laboratory of StomatologySun Yat-sen UniversityGuangzhouGuangdong ProvinceChina Advanced Innovation Center for Human Brain Protection and National Clinical Research Center for Geriatric Disorders Xuanwu HospitalCapital Medical UniversityBeijingChina Aging Translational Medicine Center International Center for Aging and CancerBeijing Municipal Geriatric Medical Research CenterXuanwu HospitalCapital Medical UniversityBeijingChina CAS Key Laboratory of Genomic and Precision Medicine Beijing Institute of GenomicsChinese Academy of Sciences and China National Center for BioinformationBeijingChina University of Chinese Academy of Sciences BeijingChina Institute for Stem Cell and Regeneration Chinese Academy of SciencesBeijingChina Aging Biomarker Consortium BeijingChina State Key Laboratory of Stem Cell and Reproductive Biology Institute of ZoologyChinese Academy of SciencesBeijingChina Beijing Institute for Stem Cell and Regenerative Medicine BeijingChina

The oral cavity is a complex physiological community encompassing a wide range of *** of oral microbiota can lead to various oral infectious diseases,such as periodontitis and tooth decay,and even affect systemic health,including brain aging and neurodegenerative *** studies have highlighted how oral microbes might be involved in brain aging and neurodegeneration,indicating potential avenues for intervention *** this review,we summarize clinical evidence demonstrating a link between oral microbes/oral infectious diseases and brain aging/neurodegenerative diseases,and dissect potential mechanisms by which oral microbes contribute to brain aging and *** also highlight advances in therapeutic development grounded in the realm of oral microbes,with the goal of advancing brain health and promoting healthy aging.

关键词： Alzheimer's disease brain aging multiple sclerosis neurodegeneration neurodegenerative diseases oral microbiota Parkinson's disease periodontitis bacteria Porphyromonas gingivalis