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A new type of lipophilic hydrophobic self-repairing cellulose insulating paper developed with ST-110/FAS/PTFE ternary system as coating substrate

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High Voltage 2024年第2期9卷 474-483页

作者： Zhenglin Zeng Jinshan Qin Zuhao Wang Weimin Tan Chao Tang College of Engineering and Technology Southwest UniversityChongqingChina international r&d center for new technologies of smart grid and equipment ChongqingChina

The moisture generated by the ageing of the oil-paper insulating system can easily lead to the deterioration of the performance of the insulating *** order to alleviate the impact of moisture on the performance of the insulating paper,we developed a kind of lipophilic hydrophobic self-repairing cellulose insulating paper(new insulating paper)based on the ternary system of polytetrafluoroethylene,fluorocarbon surfactant and fluorinated alkyl silane,and accelerated thermal ageing test for 45 days at 130°C was carried *** experimental results show that the new insulating paper with excellent lipophilic property can realise hydrophobic self-repairing through heat treatment after physical *** tensile strength and elongation at break of the new insulating paper increased by 5%–8%and 6.25%–27%respectively compared with the original cellulose insulating *** the end of ageing,the relative dielectric constant and dielectric loss factor of new insulating paper are 10.4%and 9.9%lower than that of the original cel-lulose insulating paper,while the breakdown voltage is 6.8%*** acid and moisture content produced during the ageing process of the insulating oil impregnated with new insulating paper are also less,indicating that the coating can delay the ageing of the insulating paper.

关键词： coating moisture cellulose

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roadmap for rechargeable batteries:present and beyond

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Science China Chemistry 2024年第1期67卷 13-42页

作者： Sen Xin Xu Zhang Lin Wang Haijun Yu Xin Chang Yu-Ming Zhao Qinghai Meng Pan Xu Chen-Zi Zhao Jiahang Chen Huichao Lu Xirui Kong Jiulin Wang Kai Chen Gang Huang Xinbo Zhang Yu Su Yao Xiao Shu-Lei Chou Shilin Zhang Zaiping Guo Aobing du Guanglei Cui Gaojing Yang Qing Zhao Liubing dong dong Zhou Feiyu Kang Hu Hong Chunyi Zhi Zhizhang Yuan Xianfeng Li Yifei Mo Yizhou Zhu dongfang Yu Xincheng Lei Jianxiong Zhao Jiayi Wang dong Su Yu-Guo Guo Qiang Zhang Jun Chen Li-Jun Wan CAS Key Laboratory of Molecular Nanostructure and Nanotechnology CAS Research/Education Center for Excellence in Molecular SciencesBeijing National Laboratory for Molecular Sciences(BNLMS)Institute of ChemistryChinese Academy of Sciences(CAS)Beijing 100190China University of Chinese Academy of Sciences.Beijing 100049 China Institute of Advanced Battery Materials and devices Faculty of Materials and ManufacturingBeijing University of TechnologyBeijing 100124China Key Laboratory of Advanced Functional Materials Ministry of EducationBeijing University of TechnologyBeijing 100124China Beijing Key Laboratory of Green Chemical reaction Engineering and Technology Department of Chemical EngineeringTsinghua UniversityBeijing 100084China State Key Laboratory of Chemistry and Utilization of Carbon-Based Energy resources College of ChemistryXinjiang UniversityUrumqi 830046China department of Chemical Engineering Shanghai Jiao Tong UniversityShanghai 200240China State Key Laboratory of rare Earth resource Utilization Changchun Institute of Applied ChemistryChangchun 130022China Institute for Carbon Neutralization College of Chemistry and Materials EngineeringWenzhou UniversityWenzhou 325035China School of Chemical Engineering and Advanced Materials The University of AdelaideAdelaide 5000Australia Qingdao Industrial Energy Storage research Institute Qingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao 266101China Frontiers Science center for new Organic Matter Key Laboratory of Advanced Energy Materials Chemistry(Ministry of Education)College of ChemistryNankai UniversityTianjin 300071China College of Chemistry and Materials Science Jinan UniversityGuangzhou 511443China Tsinghua Shenzhen international Graduate School Tsinghua UniversityShenzhen 518055China department of Materials Science and Engineering City University of Hong KongHong Kong 999077China division of Energy Storage Dalian National Laboratory for Clean Energy(DNL)Dalian Institute of Chem

rechargeable batteries currently hold the largest share of the electrochemical energy storage market,and they play a major role in the sustainable energy transition and industrial decarbonization to respond to global climate *** to the increased popularity of consumer electronics and electric vehicles,lithium-ion batteries have quickly become the most successful rechargeable batteries in the past three decades,yet growing demands in diversified application scenarios call for new types of rechargeable *** efforts are made to developing the next-generation post-Li-ion rechargeable batteries,which include,but are not limited to solid-state batteries,lithium–sulfur batteries,sodium-/potassium-ion batteries,organic batteries,magnesium-/zinc-ion batteries,aqueous batteries and flow *** the great achievements,challenges persist in precise understandings about the electrochemical reaction and charge transfer process,and optimal design of key materials and interfaces in a *** roadmap tends to provide an overview about the current research progress,key challenges and future prospects of various types of rechargeable *** computational methods for materials development,and characterization techniques will also be discussed as they play an important role in battery research.

关键词： energy storage rechargeable batteries battery materials electrochemistry

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Programmable robotized‘transfer-and-jet’printing for large,3d curved electronics on complex surfaces

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international Journal of Extreme Manufacturing 2021年第4期3卷 74-87页

作者： YongAn Huang Hao Wu Chen Zhu Wennan Xiong Furong Chen Lin Xiao Jianpeng Liu Kaixin Wang Huayang Li dong Ye Yongqing duan Jiankui Chen Hua Yang Wenlong Li Kun Bai Zhouping Yin Han ding State Key Laboratory of digital Manufacturing equipment and Technology Huazhong University of Science and TechnologyWuhanPeople’s Republic of China Flexible Electronics research center Huazhong University of Science and TechnologyWuhanPeople’s Republic of China

Large,3d curved electronics are a trend of the microelectronic industry due to their unique ability to conformally coexist with complex surfaces while retaining the electronic functions of 2d planar integrated circuit ***,these curved electronics present great challenges to the fabrication ***,we propose a reconfigurable,mask-free,conformal fabrication strategy with a robot-like system,called robotized‘transfer-and-jet’printing,to assemble diverse electronic devices on complex *** novel method is a ground-breaking advance with the unique capability to integrate rigid chips,flexible electronics,and conformal circuits on complex ***,each process,including transfer printing,inkjet printing,and plasma treating,are mask-free,digitalized,and *** robotization techniques,including measurement,surface reconstruction and localization,and path programming,break through the fundamental constraints of 2d planar microfabrication in the context of geometric shape and *** transfer printing begins with the laser lift-off of rigid chips or flexible electronics from donor substrates,which are then transferred onto a curved surface via a dexterous robotic *** the robotic electrohydrodynamic printing directly writes submicrometer structures on the curved *** permutation and combination allow versatile conformal ***,robotized hybrid printing is utilized to successfully fabricate a conformal heater and antenna on a spherical surface and a flexible smart sensing skin on a winged model,where the curved circuit,flexible capacitive and piezoelectric sensor arrays,and rigid digital–analog conversion chips are *** hybrid printing is an innovative printing technology,enabling additive,noncontact and digital microfabrication for 3d curved electronics.

关键词： conformal printing curved electronics complex surfaces inkjet printing robotic fabrication

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research progress on indoor environment of mushroom factory

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international Journal of Agricultural and Biological Engineering 2022年第1期15卷 25-32页

作者： Long Chen Lei Qian Xiao Zhang Jiazheng Li Zhijun Zhang Xiaoming Chen Tianjin Academy of Agricultural Sciences Tianjin 300192China National Engineering and Technology research center for Preservation of Agricultural Products/Key Laboratory of Storage of Agricultural Products Ministry of Agriculture and Rural Affairs/Tianjin Key Laboratory of Postharvest Physiology and Storage of Agricultural ProductsTianjin 300384China

Mushroom factory is an emerging production mode that is relied on facility and equipment by creating a suitable,steady,and uniform growing environment to accommodate the demand of edible fungus at each stage of ***,an optimal range of key environmental factors(temperature,humidity,light,and CO_(2) concentrations)in mushroom facilities is crucial to achieving satisfactory production *** research aimed to provide an overview of recent progress on indoor environmental studies of mushroom cultivation facilities from three perspectives,1)the development of environmental monitoring and controlling systems;2)the application of computer modelling in addressing indoor environmental issues;3)the refinement of mushroom facility design,including structure and ventilation *** the aid of cutting-edge technologies,accomplishments have been made in developing smart farming systems that facilitate real-time recording of environmental parameters and automatic regulation of equipment,which helps the establishment of growth model for specific mushroom *** Fluid dynamics(CFd)modelling has been adopted by researchers to investigate indoor airflow patterns and assess the distribution of critical environmental *** have been conducted to modify the design of mushroom facility to improve the performance in structural stability,ventilation efficiency,and internal environmental ***,some existing problems still need further investigations,such as the lack of design guidelines,energy-saving strategies,and Artificial Intelligent(AI)quality ***,this overview was expected to provide constructive insights for future studies in addition to references of previous studies.

关键词： modern farming mushroom factory indoor environment control computational fluid dynamics remote sensing

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