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Rural Heritage: Value, Conservation and Revitalisation-From the Perspective of the Human-Land Relationship

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Built Heritage 2019年第2期3卷 1-6页

作者： xiaofan du Ding Shi Department of Cultural Heritage and Museology Fudan UniversityShanghaiChina

Today,rural revitalisation has become a national issue for China,and it is one that many countries also have to ***,a rural area is not some wilderness that is open to any type of *** long history of agricultural civilisation has left an extensive,precious heritage in rural areas;thus,revitalising rural areas has to be based on conserving that *** special issue adopts the theme of‘rural heritage’:we provide a platform for dialogue between China and overseas scholars with the focus on conserving and revitalising rural *** are six contributions in this special issue on matters that affect rural heritage in various *** them,it is possible to understand methods of conservation design with respect to Japan’s rural heritage and follow the role of rural tourism in *** is also possible to grasp the importance of promoting a building culture in rural parts of *** these contributions offer profound insights for conserving and revitalising China’s rural *** special issue also presents the thoughts of Chinese and foreign experts on recent issues related to China’s rural heritage;it provides a comprehensive introduction to the rural heritage protection system in *** heritage is a complex ***,the topics addressed in this special issue reflect the various characteristics ***,if readers study these articles from the perspective of the human-land relationship,they will be able to identify the deep correlations among them.

关键词： rural heritage value conservation revitalisation sustainable development cultural landscape human-land relationship

Safeguarding Traditional Villages in China: The Role and Challenges of Rural Heritage Preservation

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Built Heritage 2019年第2期3卷 81-93页

作者： Mengyuan Zhou Songfeng Chu xiaofan du Department of Cultural Heritage and Museology Fudan UniversityShanghaiChina College of Architecture and Urban Planning Tongji UniversityShanghaiChina

Since the reform and opening-up policy of 1978,China has established the double-track inventory system of rural heritage preservation to cope with the impact of rapid urbanisation on rural *** paper analyses the evolution in the concept of policy making from the Historical and Cultural Villages system to the Traditional Villages *** argues that the mass recognition of Traditional Villages in China since 2012 indicates that the understandings of rural heritage have evolved from the distinguished to the diverse,the tangible only to the intangible included,and the material-based to the *** the rural revitalisation policy,the role of Traditional Villages in social development will be further explored and promoted as‘means of improvement’,looking for the balance between protection and development of rural heritage in the urban-rural dual structure.

关键词： rural heritage historical and cultural villages traditional villages

Trade-offs between ion-conducting and mechanical properties: The case of polyacrylate electrolytes

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Carbon Energy 2023年第2期5卷 24-60页

作者： Guoli Lu Yaojian Zhang Jianjun Zhang xiaofan du Zhaolin Lv Junzhe du Zhiming Zhao Yue Tang Jingwen Zhao Guanglei Cui Qingdao Industrial Energy Storage Research Institute Qingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdaoPeople's Republic of China School of Future Technology University of Chinese Academy of SciencesBeijingPeople's Republic of China The Biodesign Institute and School of Molecular Sciences Arizona State UniversityTempeArizonaUSA Solid Energy System Technology Center Shandong Energy InstituteQingdaoPeople's Republic of China

Polymer electrolytes(PEs)have been long recognized as the key materials to enable energy-dense batteries and render flexible energy devices practically viable,owing to their chemical and mechanical ***,much of their promise is yet to be *** roomtemperature ion conductivity of existing PEs still falls short of the implementation criterion of 10^(-4) S cm^(-1) on the promise of acceptable mechanical properties,thereby precluding their practical *** twin but inversely related duties of polymers,that is,functioning as both an ion-conducting medium and a structural backbone,underlie this issue but are less elucidated *** polyacrylate(PA)family is among promising polymer matrices on account of ester polarity,electrode compatibility,chemical tunability,and mechanical *** extensive applicability of PA in plasticized gels,dry solids,and emerging composites makes PA-based PEs representative to illustrate the trade-off between ion conduction and mechanical *** herein seek to outline the stated long-standing conflict exemplified by PA-based PEs,focusing on crucial strategies toward balancing and reconciling the two mutually exclusive properties,with the intention of offering designing guidelines for next-generation PEs.

关键词： ionic conductivity lithium batteries mechanical properties polyacrylate polymer electrolytes trade-offs

Interfacial chemistry ofγ-glutamic acid-derived block polymer binder directing the interfacial compatibility of high voltage LiNi0.5Mn1.5O4 electrode

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Science China Chemistry 2021年第1期64卷 92-100页

作者： Yue Ma Chengdong Wang Jun Ma Gaojie Xu Zheng Chen xiaofan du Shu Zhang Xinhong Zhou Guanglei Cui Liquan Chen Qingdao Industrial Energy Storage Research Institute Qingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao 266101China College of Chemistry and Molecular Engineering Qingdao University of Science&TechnologyQingdao 266042China Key Laboratory for Renewable Energy Beijing Key Laboratory for New Energy Materials and DevicesBeijing National Laboratory for Condensed Matter PhysicsInstitute of PhysicsChinese Academy of SciencesBeijing 100190China

LiNi0.5Mn1.5O4(LNMO)spinel is one of the most promising high voltage cathode candidates for lithium ion batteries(LIBs).However,owing to the instability for organic electrolytes at 5V high voltage,it exhibits continuous oxidation,leading to the formation of unstable interface and the notorious dissolution of transition metal,which prevents the successful commercialization of ***,on the basis of energy level simulation,we present a high voltage resistant binder shielding strategy to address the challenging interfacial issue of *** strategy is to design a novel poly(γ-glutamic acid)-c-1H,1H,9H,9H-perfluoro-1,9-nonanediol(γ-PGFO)binder with superior transition metal chelating effect and well-matched energy level to guarantee fantastic interfacial *** is demonstrated that the dissolution of transition metal is significantly suppressed in the presence ofγ-PGFO binder,which excels in the *** is also noted that intramolecular hydrogen binding of the well-designed binder can generate powerful facial-contact binding,which is significant for a promising *** encapsulating this binder inside the cathode matrix,the Li Ni0.5Mn1.5O4electrode exhibits a capacity of 105.8 m Ah g^(-1)after 500cycles at 1 C with a capacity retention of 88.2%,which is significantly superior to that of polyvinylidene fluoride(PVDF)/Li Ni0.5Mn1.5O4electrode(a capacity of 82.9 m Ah g^(-1)and a capacity retention of 63.4%).The overall Coulombic efficiency ofγ-PGFO/Li Ni0.5Mn1.5O4electrode is prominently improved to be 99.1%,compared with 95.5%of PVDF *** presented results demonstrate a promising strategy of amino acid-based binder with strong transition metal chelating capability for boosting the rapid development of high voltage lithium ion battery.

关键词： LiNi0.5Mn1.5O4 cathode amino acid binder high voltage interfacial regulation

Revealing the importance of suppressing formation of lithium hydride and hydrogen in Li anode protection

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Interdisciplinary Materials 2023年第2期2卷 337-347页

作者： Gaojie Xu xiaofan du Shenghang Zhang Jiedong Li Shanmu Dong Zhiwei Hu Guanglei Cui Qingdao Industrial Energy Storage Research Institute Qingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdaoChina Shandong Energy Institute QingdaoChina Qingdao New Energy Shandong Laboratory QingdaoChina Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijingChina School of Future Technology University of Chinese Academy of Sciences BeijingChina Max Planck Institute for Chemical Physics of Solids DresdenGermany

The reviving of the“Holy Grail”lithium metal batteries(LMBs)is greatly hindered by severe parasitic reactions between Li anode and ***,first,we comprehensively summarize the failure mechanisms and protection principles of the Li ***,despite being in dispute,the formation of lithium hydride(LiH)is demonstrated to be one of the most critical factors for Li anode ***,we trace the research history of LiH at electrodes of lithium *** LMBs,LiH formation is suggested to be greatly associated with the generation of H_(2)from Li/electrolyte intrinsic parasitic reactions,and these intrinsic reactions are still not fully ***,density functional theory calculations reveal that H_(2)adsorption ability of representative Li anode protective species(such as LiF,Li_(3)N,BN,Li_(2)O,and graphene)is much higher than that of Li and ***,as an important supplement of well-known lithiophilicity theory/high interfacial energy theory and three key principles(mechanical stability,uniform ion transport,and chemical passivation),we propose that constructing an artificial solid electrolyte interphase layer enriched of components with much higher H_(2)adsorption ability than Li will serve as an effective principle for Li anode *** summary,suppressing formation of LiH and H_(2)will be very important for cycle life enhancement of practical LMBs.

关键词： density functional theory H_(2)adsorption ability Li anode protection lithium hydride solid electrolyte interphase

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

Cyanoethyl cellulose-based eutectogel electrolyte enabling high-voltage-tolerant and ion-conductive solid-state lithium metal batteries

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Carbon Energy 2022年第6期4卷 1093-1106页

作者： Hao Zhang Lixue Zhou xiaofan du Jianjun Zhang Songwei Tian Tingting Liu Jinning Zhang Sijia Hu Weiling Song Xinhong Zhou Guanglei Cui Qingdao Industrial Energy Storage Research Institute Qingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdaoShandongPR China College of Chemistry and Molecular Engineering Qingdao University of Science and TechnologyQingdaoShandongPR China School of Chemical Engineering University of Chinese Academy of SciencesBeijingPR China

Solid-state polymer electrolytes are an important factor in the deployment of highsafety and high-energy-density solid-state lithium metal ***,use of the traditional polyethylene oxide-based solid-state polymer electrolyte is limited due to its inherently low ionic conductivity and narrow electrochemical stability ***,for the first time,we specifically designed a cyanoethyl cellulosein-deep eutectic solvent composite eutectogel as a promising candidate for hybrid solid-state polymer *** is found that the proposed eutectogel electrolyte achieves high ionic conductivity(1.87×10^(−3) S cm^(−1) at 25℃),superior electrochemical stability(up to 4.8 V),and outstanding lithium plating/striping behavior(low overpotential of 0.04 V at 1mAcm^(−2) and 1mAh cm^(−2) over 300 h).With the eutectogel-based solid-state polymer electrolyte,a 4.45 V LiCoO_(2)/Li metal battery delivers prominent long-term lifespan(capacity retention of 85%after 200 cycles)and high average Coulombic efficiency(99.5%)under ambient conditions,significantly outperforming the traditional carbonate-based liquid *** work demonstrates a promising strategy for designing eutectogel-based solid-state polymer electrolytes to realize high-voltage and high-energy lithium metal batteries.

关键词： cyanoethyl cellulose eutectogel high voltage solid-state lithium metal battery stable interfacial chemistry

Flame-retardant concentrated electrolyte enabling a Li F-rich solid electrolyte interface to improve cycle performance of wide-temperature lithium–sulfur batteries

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Journal of Energy Chemistry 2020年第12期29卷 154-160页

作者： Zhe Yu Jianjun Zhang Chao Wang Rongxiang Hu xiaofan du Ben Tang Hongtao Qu Han Wu Xin Liu Xinhong Zhou Xiaoyan Yang Guanglei Cui College of Chemistry and Molecular Engineering Qingdao University of Science and TechnologyQingdao 266042ShandongChina Qingdao Industrial Energy Storage Technology Institute Qingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao 266101ShandongChina

Lithium–sulfur batteries have been regarded as the most promising high-energy electrochemical energy storage device owing to the high energy density, low cost and environmental friendliness. However, traditional lithium–sulfur batteries using ether-based electrolytes often suffer from severe safety risks(i.e. combustion). Herein, we demonstrated a novel kind of flame-retardant concentrated electrolyte(6.5 M lithium bis(trifluoromethylsulphonyl)imide/fluoroethylene carbonate) for highly-safe and widetemperature lithium–sulfur batteries. It was found that such concentrated electrolyte showed superior flame retardancy, high lithium-ion transference number(0.69) and steady lithium plating/stripping behavior(2.5 m Ah cm^(-2) over 3000 h). Moreover, lithium–sulfur batteries using this flame-retardant concentrated electrolyte delivered outstanding cycle performance in a wide range of temperatures(-10 °C, 25 °C and 90 °C). This superior battery performance is mainly attributed to the LiF-rich solid electrolyte interphase formed on lithium metal anode, which can effectively suppress the continuous growth of lithium dendrites. Above-mentioned fascinating characteristics would endow this flame-retardant concentrated electrolyte a very promising candidate for highly-safe and wide-temperature lithium–sulfur batteries.

关键词： Flame retardancy Concentrated electrolyte LiF-rich solid electrolyte interphase Lithium–sulfur batteries Wide temperature

A Molecular-Sieving Interphase Towards Low-Concentrated Aqueous Sodium-Ion Batteries

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Nano-Micro Letters 2024年第8期16卷 51-63页

作者： Tingting Liu Han Wu Hao Wang Yiran Jiao xiaofan du Jinzhi Wang Guangying Fu Yaojian Zhang Jingwen Zhao Guanglei Cui Qingdao Industrial Energy Storage Research Institute Qingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao 266101People’s Republic of China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing 100049People’s Republic of China School of Chemical Engineering and Advanced Materials The University of AdelaideAdelaideSA 5005Australia Shandong Energy Institute Qingdao 266101People’s Republic of China Qingdao New Energy Shandong Laboratory Qingdao 266101People’s Republic of China

Aqueous sodium-ion batteries are known for poor rechargeability because of the competitive water decomposition reactions and the high electrode *** have been reported by saltconcentrated and organic-hybridized electrolyte designs,however,at the expense of cost and ***,we report the prolonged cycling of ASIBs in routine dilute electrolytes by employing artificial electrode coatings consisting of NaX zeolite and NaOH-neutralized perfluorinated sulfonic *** as-formed composite interphase exhibits a molecularsieving effect jointly played by zeolite channels and size-shrunken ionic domains in the polymer matrix,which enables high rejection of hydrated Na^(+)ions while allowing fast dehydrated Na^(+)*** this coating to electrode surfaces expands the electrochemical window of a practically feasible 2 mol kg^(-1) sodium trifluoromethanesulfonate aqueous electrolyte to 2.70 V and affords Na_(2)MnFe(CN)_(6)//NaTi_(2)(PO_(4))_(3) full cells with an unprecedented cycling stability of 94.9%capacity retention after 200 cycles at 1 *** with emerging electrolyte modifications,this molecular-sieving interphase brings amplified benefits in long-term operation of ASIBs.

关键词： Molecular sieving effect Electrode coatings Aqueous sodium ion batteries Dilute aqueous electrolytes