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Small but mighty:Empowering sodium/potassium-ion battery performance with S-doped SnO_(2) quantum dots embedded in N,S codoped carbon fiber network

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Carbon Energy 2024年第5期6卷 186-200页

作者： shengnan he Hui Wu Shuang Li Ke Liu Yaxiong Yang Hongge Pan Xuebin Yu Institute of Science and Technology for New Energy Xi'an Technological UniversityXi'anChina Department of Materials Science Fudan UniversityShanghaiChina Wanxiang A123 Systems Corporation HangzhouChina School of Material Science and Engineering Shanghai UniversityShanghaiChina

SnO_(2) has been extensively investigated as an anode material for sodium-ion batteries(SIBs)and potassium-ion batteries(PIBs)due to its high Na/K storage capacity,high abundance,and low ***,the sluggish reaction kinetics,low electronic conductivity,and large volume changes during charge and discharge hinder the practical applications of SnO_(2)-based electrodes for SIBs and *** rational structures with fast charge/ion transfer and robust stability is important to overcoming these ***,S-doped SnO_(2)(S-SnO_(2))quantum dots(QDs)(≈3 nm)encapsulated in an N,S codoped carbon fiber networks(S-SnO_(2)-CFN)are rationally fabricated using a sequential freeze-drying,calcination,and S-doping *** analysis and density functional theory calculations reveal that the integration of S-SnO_(2) QDs with N,S codoped carbon fiber network remarkably decreases the adsorption energies of Na/K atoms in the interlayer of SnO_(2)-CFN,and the S doping can increase the conductivity of SnO_(2),thereby enhancing the ion transfer *** synergistic interaction between S-SnO_(2) QDs and N,S codoped carbon fiber network results in a composite with fast Na+/K+storage and extraordinary long-term ***,the S-SnO_(2)-CFN delivers high rate capacities of 141.0 mAh g^(−1) at 20 A g^(−1) in SIBs and 102.8 mAh g^(−1) at 10 A g^(−1) in ***,it delivers ultra-stable sodium storage up to 10,000 cycles at 5 A g^(−1) and potassium storage up to 5000 cycles at 2 A g^(−1).This study provides insights into constructing metal oxide-based carbon fiber network structures for high-performance electrochemical energy storage and conversion devices.

关键词： carbon fiber network heteroatom doping potassium-ion battery sodium-ion battery S-SnO_(2)quantum dot

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Scalable synthesis of sub-lO0 nm hollow carbon nanospheres for energy storage applications

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Nano Research 2018年第4期11卷 1822-1833页

作者： Hongyu Zhao Fan Zhang Shumeng Zhang shengnan he Fei Shen Xiaogang Han Yadong Yin Chuanbo Gao Center for Materials Chemistry Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an 710054 China Center of Nanomaterials for Renewable Energy Key Lab of Smart Grid of Shaanxi Province State Key Laboratory of Electrical Insulation and Power Equipment Xi'an Jiaotong University Xi'an 710054 China Department of Chemistry University of California Riverside CA 92521 USA

Sub-100 nm hollow carbon nanospheres with thin shells are highly desirable anode materials for energy storage applications. However, their synthesis remains a great challenge with conventional strategies. In this work, we demonstrate that hollow carbon nanospheres of unprecedentedly small sizes （down to - 32.5 nm and with thickness of - 3.9 nm） can be produced on a large scale by a templating process in a unique reverse micelle system. Reverse micelles enable a spatially confined Stober process that produces uniform silica nanospheres with significantly reduced sizes compared with those from a conventional Stober process, and a subsequent well-controlled sol-gel coating process with a resorcinol-formaldehyde resin on these silica nanospheres as a precursor of the hollow carbon nanospheres. Owing to the short diffusion length resulting from their hollow structure, as well as their small size and microporosity, these hollow carbon nanospheres show excellent capacity and cycling stability when used as anode materials for lithium/sodium-ion batteries.

关键词： hollow carbon nanospheres reverse micelles nanoreactors templating synthesis energy storage

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From macro to microarchitecture: reviews and trends of SRAM-based compute-in-memory circuits

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Science China(Information Sciences) 2023年第10期66卷 42-60页

作者： Zhaoyang ZHANG Jinwu CheN Xi CheN An GUO Bo WANG Tianzhu XIONG Yuyao KONG Xingyu PU shengnan he Xin SI Jun YANG National Application Specific Integrated Circuit Center Southeast University

The rapid growth of CMOS logic circuits has surpassed the advancements in memory access,leading to significant “memory wall” bottlenecks, particularly in artificial intelligence applications. To address this challenge, compute-in-memory(CIM) has emerged as a promising approach to enhance the performance,area efficiency, and energy efficiency of computing systems. By enabling memory cells to perform parallel computations, CIM improves data reuse and minimizes data movement between the memory and the processor. This study conducts a comprehensive review of various domains of SRAM-based CIM macros and their associated computing paradigms. Additionally, it presents a survey of recent SRAM-CIM macros, with a specific focus on the key challenges and design tradeoffs involved. Furthermore, this research identifies potential future trends in SRAM-CIM macro-level design, including hybrid computing, precision enhancement, and operator reconfiguration. These trends aim to resolve the tradeoff between computational accuracy, energy efficiency, and support for diverse operators within the SRAM-CIM framework. At the microarchitecture level, two possible solutions for tradeoffs are proposed: chiplet integration and sparsity optimization. Finally,research perspectives are proposed for future development.

关键词： artificial intelligence (AI) compute-in-memory (CIM) static random access memory (SRAM)

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Tea plant (Camellia sinensis) lipid metabolism pathway modulated by tea field microbe (Colletotrichum camelliae) to promote disease

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Horticulture Research 2023年第3期10卷 110-123页

作者： Shouan Liu Shuhan Zhang shengnan he Xiaoyan Qiao A.Runa Laboratory of Tea and Medicinal Plant Biology College of Plant SciencesJilin UniversityChangchun 130062China Laboratory of Molecular Plant Pathology College of Plant SciencesJilin UniversityChangchun 130062China Guangdong Provincial Key Laboratory of Tea Plant Resources Innovation and Utilization Guangdong Academy of Agricultural Sciences Tea Research InstituteGuangzhou 510640China

Tea is one of the most popular healthy and non-alcoholic beverages *** anthracnose is a disease in tea mature leaves and ultimately affects yield and *** camelliae is a dominant fungal pathogen in the tea field that infects tea plants in *** pathogenic factors of fungus and the susceptible factors in the tea plant are not *** this work,we performed molecular and genetic studies to observe a cerato-platanin protein CcCp1 from ***,which played a key role in fungal pathogenicity.CcCp1 mutants lost fungal virulence and reduced the ability to produce *** and metabolome were then performed and analysed in tea-susceptible and tea-resistant cultivars,Longjing 43 and Zhongcha 108,upon *** wild-type CCA andCcCp1 infection,*** differentially expressed genes and the differentially accumulated metabolites in tea plants were clearly overrepresented such as linolenic acid and linoleic acid metabolism,glycerophospholipid metabolism,phenylalanine biosynthesis and metabolism,biosynthesis of f lavonoid,f lavone and f lavonol *** particular,the accumulation of jasmonic acid was significantly increased in the susceptible cultivar Longjing 43 upon CCA infection,in the fungal CcCp1 protein dependent manner,suggesting the compound involved in regulating fungal *** addition,other metabolites in the glycerophospholipid and phenylalanine pathway were observed in the resistant cultivar Zhongcha 108 upon fungal treatment,suggesting their potential role in defense *** together,this work indicated *** CcCp1 affected the tea plant lipid metabolism pathway to promote disease while the lost function of CcCp1 mutants altered the fungal virulence and plant response.

关键词： field metabolism Tea

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Fabrication pressures and stack pressures in solid-state battery

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eScience 2024年第4期4卷 27-40页

作者： Zhijun Wu shengnan he Chao Zheng Jiantuo Gan Liaona She Mingchang Zhang Yong Gao Yaxiong Yang Hongge Pan Institute of Science and Technology for New Energy Xi'an Technological UniversityXi'an 710021China State Key Laboratory of Silicon Materials and School of Materials Science and Engineering Zhejiang UniversityHangzhou 310027China

Solid-state batteries(SSBs)have received widespread attention with their high safety and high energy density ***,solid-solid contacts in the internal electrode material and the electrode material/solid electrolyte(SE)interfaces,as well as the severe electrochemo-mechanical effects caused by the internal stress due to the volume change of the active material,these problems hinder ion/electron transport within the SSBs,which significantly deteriorates the electrochemical *** fabrication pressures and stack pressures are effective measures to improve solid-solid contact and solve electrochemo-mechanical ***,the influences of different pressures on cathode material,anode material,SEs,and electrode/SEs interface are briefly summarized from the perspective of interface ion diffusion,transmission of electrons and ions in internal particles,current density and ion diffusion kinetics,and the volume changes of Li^(+) stripping/plating based on two physical contact models,and point out the direction for the future research direction of SSBs and advancing industrialization by building the relationship between pressures and SSBs electrochemistry.

关键词： Fabrication pressure Stack pressure Solid-state battery Solid electrolyte Ion/electron transport

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基于人工神经网络和粒子群优化的初期雨水调蓄池设计方法研究

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水利学报 2020年第12期51卷 1558-1566页

作者：何胜男陈文学刘燕穆祥鹏中国水利水电科学研究院流域水循环模拟与调控国家重点实验室北京100038 中国电建集团河南省电力勘测设计院有限公司河南郑州450016

城市地表径流所产生的非点源污染是城市水系水质恶化的主要原因,设置初期雨水调蓄池是缓解地表径流污染最经济有效的手段之一。目前,初期雨水调蓄池一般采用经验方法设计,没有考虑汇水区污染物累计特性、污水处理厂处理规模、可用征地... 详细信息

城市地表径流所产生的非点源污染是城市水系水质恶化的主要原因,设置初期雨水调蓄池是缓解地表径流污染最经济有效的手段之一。目前,初期雨水调蓄池一般采用经验方法设计,没有考虑汇水区污染物累计特性、污水处理厂处理规模、可用征地等客观条件,初期雨水调蓄池的截污效果有限。本文利用SWMM模型模拟分析了地表径流污染物累积特性,利用人工神经网络得到各调蓄池不同截污率与对应总截污量之间的高精度非线性数学模型;结合该模型,以调蓄池总截污量最大为优化目标,以污水处理厂处理规模和可用征地为约束条件,采用粒子群优化算法得出各调蓄池的优化截污率;结合各调蓄池截污率与径流量累积量之间的关系,得出各调蓄池的设计容积,并与国内常用的设计方法进行对比。分析表明,本文提出方法可在满足约束条件下实现截污效果最大化,采用本文提出方法设计的调蓄池在土地使用率和截污效果上均优于规范设计法。该方法合理、高效和适用范围广,可为城市初期雨水调蓄池设计提供技术支撑。

关键词：初期雨水调蓄池截污率地表径流污染人工神经网络粒子群优化

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新基建背景下体育健身消费的数字化应用与发展路径

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西安体育学院学报 2021年第1期38卷 70-78页

作者：王鹏焦博茹贺圣楠西安体育学院科研处西安710068 西安体育学院研究生部西安710068

从国家新基建大背景出发,探讨云计算、大数据、物联网等新技术在体育健身消费领域的数字化应用与发展路径,从平台构建、有效供给、模式创新、协同融合、科学决策等方面进行阐述。主要结论包括:(1)通过构建体育健身大数据平台,将业务运... 详细信息

从国家新基建大背景出发,探讨云计算、大数据、物联网等新技术在体育健身消费领域的数字化应用与发展路径,从平台构建、有效供给、模式创新、协同融合、科学决策等方面进行阐述。主要结论包括:(1)通过构建体育健身大数据平台,将业务运营、物联网、智能分析等功能进行系统整合,有助于俱乐部与用户间交互模式的创新;(2)体育健身消费领域的数字化转型可从产业融合、科学决策进行改革,采用全新的组织业态和互联网精神整合产业链,通过资源交互共享与跨界整合打造复合型的体育健身消费生态系统;(3)通过对体育健身行业数据的存储、共享、分析与个性化推送,实现健身产品与服务的有效供给,基于价值共创通过交互迭代实现健身消费模式的不断创新,更好满足民众的体育健身消费需求。

关键词：新基建体育健身消费数字化应用

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Retraction notice to"Effects of modified pulmonary rehabilitation on patients with moderate to severe chronic obstructive pulmonary disease: A randomized controlled trail" [IJNSS Volume 4, Issue 3, 10 July 2017, Pages 219e224]

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International Journal of Nursing Sciences 2022年第3期9卷 405-405页

作者： Jingjuan Xu shengnan he Ying Han Jingya Pan Ling Cao Department of Scientific Research and Education The Third Hospital Affiliated to Soochow UniversityChangzhouPeople's Republic of China Department of Respiratory Diseases The Third Hospital Affiliated to Soochow UniversityChangzhouPeople's Republic of China

This article has been retracted:please see Elsevier Policy on Article Withdrawal(https://***/about/our-business/policies/article-withdrawal).This article has been retracted at the request of Editorial Office and *** article duplicates significant parts of a paper that had already appeared in[Nurs J Chin PLA,2017,34(8):22e26,***://***/Article/***],written in *** of the conditions of submission of a paper for publication is that authors declare explicitly that the paper has not been previously published and is not under consideration for publication ***-use of any data should be appropriately *** are offered to readers of the journal that this was not detected during the submission process.

关键词： trail please journal

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以ChatGPT为视角的人工智能犯罪责任研究

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法学（汉斯） 2024年第11期12卷 6484-6489页

作者：何胜男浙江理工大学法政学院浙江杭州

近年来,人工智能的发展为我们社会带来了便利的同时,也可能导致犯罪的风险。传统弱人工智能犯罪的风险具有工具属性,可以由刑法进行直接规制,而强人工智能犯罪由于其具有一定的自主意识可以脱离控制者进行自主学习,由此产生了强人工智... 详细信息

近年来,人工智能的发展为我们社会带来了便利的同时,也可能导致犯罪的风险。传统弱人工智能犯罪的风险具有工具属性,可以由刑法进行直接规制,而强人工智能犯罪由于其具有一定的自主意识可以脱离控制者进行自主学习,由此产生了强人工智能是否承担刑事责任的争议。ChatGPT作为强人工智能的代表,已经普遍运用在我们的生活中,对其犯罪责任进行研究可以推动人工智能犯罪规制的向前发展。

关键词： ChatGPT 人工智能犯罪风险刑事责任

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BaO含量对Ba改性Al_2O_3及其负载的Pt-Rh密偶催化剂性能的影响

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催化学报 2011年第3期32卷 502-507页

作者：姚艳玲何胜楠史忠华龚茂初陈耀强四川大学化学学院绿色化学与技术教育部重点实验室四川成都610064

采用胶溶法制备了不同BaO含量的Ba改性的Al2O3样品(Ba-Al2O3).采用低温N2吸附-脱附、X射线衍射和氨程序升温脱附对样品进行了表征.结果表明,BaO的添加量为8%时,Ba-Al2O3样品具有最佳的织构性质、最大的表面酸量和最强的表面酸性;经1273... 详细信息

采用胶溶法制备了不同BaO含量的Ba改性的Al2O3样品(Ba-Al2O3).采用低温N2吸附-脱附、X射线衍射和氨程序升温脱附对样品进行了表征.结果表明,BaO的添加量为8%时,Ba-Al2O3样品具有最佳的织构性质、最大的表面酸量和最强的表面酸性;经1273K焙烧5h后,其比表面积和孔体积分别为142m2/g和0.45ml/g;于1373K焙烧5h后分别为114m2/g和0.37ml/g.以Ba-Al2O3材料为载体,采用浸渍法制备了Pt-Rh含量为1.5g/L的密偶催化剂.催化剂活性测试结果表明,BaO的添加可有效提高催化剂上丙烷的转化活性,且当BaO含量为8%时,催化剂活性最高,新鲜和老化的催化剂上丙烷的起燃温度分别为513和557K.

关键词：氧化铝氧化钡铂铑密偶催化剂热稳定性丙烷

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