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2篇 您的检索式:作者名="Libei Yuan"
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1Hybrid working mechanism enables highly reversible Zn electrodes显示文摘Zn dendrite growth and water-related side reactions have been criticized to hinder actual applications of aqueous Zn-ion batteries.To address these issues,a series of Zn interfacial modifications of building solid/electrolyte interphase(SEI)and nucleation layers have been widely proposed,however,their effectiveness remains debatable.Here,we report a boron nitride(BN)/Nafion layer on the Zn surface to efficiently solve Zn problems through combining the hybrid working mechanisms of SEI and nucleation layers.In our protective layer,Nafion exhibits the SEI mechanism by blocking water from the Zn surface and providing abundant channels for rapid Zn^(2+)þtransmission,whilst BN nanosheets induce Zn deposition underneath with a preferred(002)orientation.Accordingly,dendrite-free and side-reaction-free Zn electrode with(002)deposition under the protective layer is realized for the first time,as reflected by its high reversibility with average Coulombic efficiency of 99.2%for>3000 h.The protected Zn electrode also shows excellent performance in full cells when coupling with polyaniline cathode under the strict condition of lean electrolyte addition.This work highlights insights for designing highly reversible metal electrodes towards practical applications.Libei Yuan Junnan Hao Bernt Johannessen Chao Ye Fuhua Yang Chao Wu Shi-Xue Dou Hua-Kun Liu Shi-Zhang Qiao 2023eScience2023,3,2:0
2Research on Spatial Pattern of Urban Landscape in Pingle Ancient Town显示文摘Protection and development of historical and cultural ancient town have always been the hot topic.With the continuous deepening of the study of ancient town and the rise of the landscape design subject,systematic,professional information and drawings about the landscape of ancient town are relatively scarce.To make up for the blank,Pingle Ancient Town in Chengdu was taken as the research object,and systemic research on the spatial pattern of urban landscape was conducted.In this paper,landscape features were studied in the scale of the space enclosed by urban boundaries.According to the spatial structure,the landscape features were divided into fi ve aspects:boundary,axis,skeleton,group domain and base,and detailed study was conducted in the changes of time axis.The preliminary research methods were mainly literature and site survey and mapping,and the history,environment and style of Pingle Ancient Town were discussed by referring to historical classics,journal papers and books.In the middle stage,surveying and mapping improvement work was carried out.In the later stage,papers were analyzed and written.The results of this paper included detailed mapping atlas,analysis atlas and text summary on spatial pattern of urban landscape.JIAO Libei PANG Zhiwei DU Yuan LI Moxin LIU Haoran WU Ran 2020Journal of Landscape Research2020,12,5:0
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