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Electrochemical Energy Reviews 2021年第3期4卷 545-565页

作者： tiantian dong Pengzhou Mu Shu Zhang Huanrui Zhang Wei Liu Guanglei Cui Qingdao Industrial Energy Storage Research Institute Qingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao 266101ShandongChina School of Materials Science and Engineering Ocean University of ChinaQingdao 266101ShandongChina University of Chinese Academy of Sciences Beijing 100190China

Research on the chemistry of high-energy-density transition metal oxide cathodes(TMOCs)is at the forefront in the pursuit of lithium-ion batteries with increased energy *** a critical component of these cathodes,binders not only glue cathode active material particles and conducting carbons together and to current collectors but also play pivotal roles in building multiscale compatible interphases between electrolytes and *** this review,we outline several vital design considerations of high-voltage binders,several of which are already present in traditional binder design that need to be highlighted,and systematically reveal the chemistry and mechanisms underpinning such binders for in-depth *** optimization of the design of polymer binders to improve battery performance is also ***,perspec-tives regarding the future rational design and promising research opportunities of state-of-the-art binders for high-voltage TMOCs are presented.

关键词： High-voltage transition metal oxide cathodes Polymer binder Design considerations Action mechanisms of binders

Polymer electrolytes for Li-S batteries:Polymeric fundamentals and performance optimization

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Journal of Energy Chemistry 2021年第7期30卷 300-317页

作者： Meifang Jiang Zengqi Zhang Ben Tang tiantian dong Hantao Xu Huanri Zhang Xiaolan Lu Guanglei Cui Key Laboratory of Marine Chemistry Theory and Technology Ministry of Education College of Chemistry and Chemical Engineering Ocean University of ChinaNo.238 Songling RoadQingdao 266100ShandongChina Qingdao Industrial Energy Storage Research Institute Qingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesNo.189 Songling RoadQingdao 266101ShandongChina

Lithium-sulfur(Li-S) batteries have been considered as one of the most promising candidates to traditional lithium ion batteries due to its low cost,high theoretical specific capacity(1675 mAh g^(-1)) and energy density(2600 Wh kg^(-1)) of *** with traditional liquid electrolytes,polymer electrolytes(PEs) are ever-increasingly preferred due to their higher safety,superior compatibility,long cycling stability and so *** some progresses on PEs,however,there remain lots of hurdles to be addressed prior to commercial *** review begins with native advantages for PEs to replace LEs,and then proposes the ideal requirements for ***,a brief development history of typical PEs for Li-S batteries is presented to systematically summarize the recent achievements in Li-S batteries with *** that the structure-performance relationships of polymer matrixes for PEs are ***,the challenges and opportunities on the future development of PEs are *** hold the view that composite polymer electrolytes in virtue of the high ionic conductivity and the compatible interfacial property will be promising solution for high performance Li-S batteries.

关键词： Polymer electrolyte Lithium-sulfur batteries Polysulfide shuttle

Mechanism of high Li-ion conductivity in poly(vinylene carbonate)-poly(ethylene oxide)cross-linked network based electrolyte revealed by solid-state NMR

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Journal of Energy Chemistry 2024年第6期93卷 377-383,I0010页

作者： Fan Li tiantian dong Yi Ji Lixin Liang Kuizhi Chen Huanrui Zhang Guanglei Cui Guangjin Hou State Key Laboratory of Catalysis Dalian National Laboratory for Clean EnergyCollaborative Innovation Center of Chemistry for Energy MaterialsDalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023LiaoningChina University of Chinese Academy of Sciences Beijing 100049China Qingdao Industrial Energy Storage Research Institute Qingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao 266101ShandongChina

Solid polymer electrolytes(SPEs)have become increasingly important in advanced lithium-ion batteries(LIBs)due to their improved safety and mechanical properties compared to organic liquid ***-linked polymers have the potential to further improve the mechanical property without trading off Li-ion *** this study,focusing on a recently developed cross-linked SPE,i.e.,the one based on poly(vinylene carbonate)-poly(ethylene oxide)cross-linked network(PVCN),we used solid-state nuclear magnetic resonance(NMR)techniques to investigate the fundamental interaction between the chain segments and Li ions,as well as the lithium-ion *** utilizing homonuclear/heteronuclear correlation,CP(cross-polarization)kinetics,and spin-lattice relaxation experiments,etc.,we revealed the structural characteristics and their relations to lithium-ion *** is found that the network formation prevents poly(ethylene oxide)chains from crystallization,which could create sufficient space for segmental tumbling and Li-ion co nductio *** such,the mechanical property is greatly improved with even higher Li-ion mobilities compared to the poly(vinylene carbonate)or poly(ethylene oxide)based SPE analogues.

关键词： ssNMR Lithium-ion mobility Cross-link Solid polymer electrolyte

An Endotenon Sheath-Inspired Double-Network Binder Enables Superior Cycling Performance of Silicon Electrodes

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Nano-Micro Letters 2022年第6期14卷 15-27页

作者： Meifang Jiang Pengzhou Mu Huanrui Zhang tiantian dong Ben Tang Huayu Qiu Zhou Chen Guanglei Cui Qingdao Industrial Energy Storage Research Institute Qingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesNo.189 Songling RoadQingdao 266101People’s Republic of China Key Laboratory of Marine Chemistry Theory and Technology Ministry of Education College of Chemistry and Chemical EngineeringOcean University of ChinaNo.238 Songling RoadQingdao 266100People’s Republic of China University of Chinese Academy of Sciences Beijing 100190People’s Republic of China

Silicon(Si)has been regarded as an alternative anode material to traditional graphite owing to its higher theoretical capacity(4200 vs.372 m Ah g;).However,Si anodes suffer from the inherent volume expansion and unstable solid electrolyte interphase,thus experiencing fast capacity decay,which hinders their commercial *** address this,herein,an endotenon sheathinspired water-soluble double-network binder(DNB)is presented for resolving the bottleneck of Si *** as-developed binder shows excellent adhesion,high mechanical properties,and a considerable self-healing capability mainly benefited by its supramolecular hybrid *** from these advantages,this binder also induces a Li;N/Li F-rich solid electrolyte interface layer,contributing to a superior cycle stability of Si *** expected,the DNB can achieve mechanically more stable Si electrodes than traditional polyacrylic acid and pectin *** a result,DNB delivers superior electrochemical performance ofSi/Li half cells and Li Ni;Co;Mn;O;/Si full cells,even with a high loading of Si electrode,to traditional polyacrylic acid and pectin *** bioinspired binder design provides a promising route to achieve long-life Si anode-assembled lithium batteries.

关键词： Efficiency Double-network binder Silicon electrodes Lithium battery

An in-situ generated composite solid-state electrolyte towards high-voltage lithium metal batteries

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Science China Chemistry 2022年第5期65卷 934-942页

作者： Qinglei Wang tiantian dong Qian Zhou Zili Cui Xuehui Shangguan Chenglong Lu Zhaolin Lv Kai Chen Lang Huang Huanrui Zhang Guanglei Cui Qingdao Industrial Energy Storage Research Institute Qingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao 266100China School of Materials Science and Engineering Linyi UniversityLinyi 276000China School of Materials Science and Engineering Ocean University of ChinaQingdao 266042China

The solid-state electrolyte(SSE) has promising applications in next-generation lithium(Li) metal batteries(LMBs) because of its significantly enhanced safety and more compatible interface characteristics than flammable traditional liquid ***,only a few attempts have achieved high-performance high-voltage LMBs,which is attributed to the fact that both high ionic conductivity and good compatibility with electrodes can hardly be achieved ***,a composite solid-state electrolyte(CSE) based on star-shaped siloxane-based polymer electrolyte coupled with Li_(6.75)La_(3)Zr_(1.75)Ta_(0.25)O_(12)(LLZTO)ceramic fillers is designed and prepared through a facile in-situ polymerization *** obtained CSE exhibits high ionic conductivity(i.e.,1.68 × 10^(-4) S cm^(-1) at a temperature of 60 ℃),superior anodic stability,and high Li-ion transference number(i.e.,0.53) because of the multifunctional synergistic effect of the polymer electrolyte with LLZTO ceramic ***,the as-developed CSE shows excellent compatibility with Li *** a result,the as-developed CSE enables the development of long-life 4.4-V-class solid-state LMBs with a Li CoO_(2) cathode,with 79.7% capacity retention and 99.74% average Coulombic efficiency after 500 cycles at a 0.5 C *** analysis of cycled batteries confirms that such superior battery performance can be mainly ascribed to the formation of a compatible electrode/electrolyte ***,excellent safety features can be observed in LiCoO_(2)/Li pouch *** work provides an important guide for the rational design of SSEs for high-voltage LMBs.

关键词： composite solid-state electrolyte in-situ lithium metal batteries high-voltage

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Flame-retardant quasi-solid polymer electrolyte enabling sodium metal batteries with highly safe characteristic and superior cycling stability

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Nano Research 2019年第9期12卷 2230-2237页

作者： Jinfeng Yang Min Zhang Zheng Chen Xiaofan Du Suqi Huang Ben Tang tiantian dong Han Wu Zhe Yu Jianjun Zhang Guanglei Cui Qingdao Industrial Energy Storage Research Institute Qingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao 266101China Center of Materials Science and Optoelectronics Engirt eering University of Chinese Academy of SciencesBeijing 100049China School of Material Science and Engineering Qingdao UniversityQingdao 266071China

Con ventio nal liquid electrolytes based sodium metal batteries suffer from severe safety hazards owing to electrolyte leakage,in flammability and dendritic sodium deposit!***,we report a flame-retardant quasi-solid polymer electrolyte with poly(methyl vinyl ether-alt-maleic an hydride)(P(MVE-alt-MA))as host,bacterial cellulose(BC)as reinforceme nt,and triethyl phosphate/vinyle ne carb on ate/sodium perchlorate(TEP/VC/NaClO4)as plasticizer for highly safe sodium metal *** as-obtained quasi-solid polymer electrolyte exhibits superior flame retardancy(self-extinguish within 1 s),complete non-leakage property and wide electrochemical windows(4.4 V).More importantly,Na3V2(PO4)3/Na metal batteries using such polymer electrolyte delivers superior I on g-term cycli ng stability(84.4%capacity rete ntion after 1000 cycles)which is significantly better than that(only 2%after 240 cycles)of liquid *** addition,this flame-retardant quasi-solid polymer electrolyte provides favorable cycle performance(80.2%capacity retention after 70 cycles at 50°C and 84.8%capacity retention after 50 cycles at-10°C)for Na3V2(PO4)3/Na metal *** this battery also displayed a normal charge/discharge property even at-15°*** fascinating cycle properties are mainly ascribed to the effective pro怕ctive layers formed on Na3V2(PC>4)3 cathode and sodium metal ano *** thorough in vestigati on elucidates that such flame-retardant quasi-solid polymer electrolyte plays a multif unctional role in the adva need sodium metal batteries:(1)being in volved in the formatio n of a favorable cathode electrolyte in terface(CEI)to inhibit the dissolutio n of van adium and maintai n the structure integrity of the Na3V2(PO4)3;(2)participati ng in building a stable solid electrolyte in terface(SEI)to suppress the growth of Na dendrites;(3)integrating flame-retardanee into polymer sodium batteries to enhance flame-resistanee,eliminate electrolyte leakage,and thus improve safety of

关键词： flame-retarda nt quasi-solid polymer electrolyte highly safe characteristic sodium metal batteries long-term cycling stability

Study on the Interactivity of Controlled and Automatic Information Processing in L2 Reading

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Sino-US English Teaching 2024年第7期21卷 314-321页

作者： dong tiantian WANG Yong University of Shanghai for Science and Technology ShanghaiChina

L2 reading is not only an important channel for people to obtain information and knowledge,but also the main way for people to learn a foreign *** information processing can be divided into controlled processing and automatic *** information processing is a conscious and resource-intensive processing model,while automatic information processing is an unconscious and automatic processing *** study investigates the characteristics and interactivity of controlled and automatic information processing in L2 reading,and explores the roles of controlled and automatic information processing strategies in improving L2 reading *** findings are as follows:(a)controlled and automatic information processing is interactive in L2 reading;and(b)the uses of controlled and automatic information processing strategies are beneficial to the improvement of the reading ability of L2 *** study has important theoretical and practical value in improving the efficiency of L2 reading teaching and learning.

关键词： L2 reading controlled information processing automatic information processing interactivity

Correction to:An endotenon sheath‑inspired double‑network binder enables superior cycling performance of silicon electrodes

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Nano-Micro Letters 2022年第8期14卷 229-231页

The original version of this article unfortunately contained some *** authors found that the data unit in Fig.3a–f is *** corrected version of Fig.3 is given below:*** authors found that explanation of the data lines in Fig.2e is *** corrected version of the explanation of Fig.2e is given below:The DNB can endure approximately 300%stretching and withstand stress up to about 1.5 MPa,as shown in Fig.2e.

关键词： explanation enable cycling

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新时代大学生职业发展战略架构与实施路径

高校教育管理 2018年第2期12卷 108-116页

作者：董田甜南京大学政府管理学院江苏南京210023 南京师范大学公共管理学院江苏南京210023

基于战略管理理论的视角,文章通过战略过程管理建构新时代中国大学生职业发展的基本模型并进行相应战略设计,使得大学生能够确认自身职业发展应该开发的战略区,从而选择能够充分发挥个人优势和利用外部环境的职业发展战略,并从加强大学... 详细信息

基于战略管理理论的视角,文章通过战略过程管理建构新时代中国大学生职业发展的基本模型并进行相应战略设计,使得大学生能够确认自身职业发展应该开发的战略区,从而选择能够充分发挥个人优势和利用外部环境的职业发展战略,并从加强大学生职业发展理论与实践引导、探索大学生职业发展教学实践活动、完善高校职业发展教育相关体系、强化大学生创新创业教育、拓展互联网思维以构建共享教育生态系统等方面探讨新时代高校大学生职业发展战略管理体系的实施路径。

关键词：新时代大学生职业发展战略架构

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治理理论与服务型政府建设

世界经济与政治论坛 2005年第2期 121-124页

作者：董田甜南京师范大学公共管理学院

本文探讨了何谓服务型政府。在此基础上,本文强调了在治理背景下中国政府改革的总的方向和目标必然是服务型政府。治理理论为政府改革提供了良好机遇和有益视角,应以治理与善治思想为指导转变政府职能。本文试图运用治理理念来揭示和分... 详细信息

本文探讨了何谓服务型政府。在此基础上,本文强调了在治理背景下中国政府改革的总的方向和目标必然是服务型政府。治理理论为政府改革提供了良好机遇和有益视角,应以治理与善治思想为指导转变政府职能。本文试图运用治理理念来揭示和分析建设服务型政府的根本出路。

关键词：服务型政府治理理论善治政府改革转变政府职能根本建设治理理念出路机遇