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Recent advances in graphene-based phase change composites for thermal energy storage and management

Nano Materials Science 2024年第2期6卷 115-138页

作者： Qiang Zhu Pin Jin Ong Si Hui Angela Goh Reuben J.Yeo suxi wang Zhiyuan Liu Xian Jun Loh Institute of Materials Research and Engineering A*STAR(Agency for ScienceTechnology and Research)2 Fusionopolis WayInnovis#08-03138634Singapore Institute of Sustainability for Chemicals Energy and EnvironmentA*STAR(Agency for ScienceTechnology and Research)1 Pesek RoadJurong Island627833Singapore School of Chemistry Chemical Engineering and BiotechnologyNanyang Technological University21 Nanyang Link637371Singapore Shenzhen Institutes of Advanced Technology(SIAT) Chinese Academy of Sciences(CAS)1068 Xueyuan AvenueShenzhen518055China Department of Material Science and Engineering National University of Singapore9 Engineering Drive 1#03-09 EA117575Singapore

Energy storage and conservation are receiving increased attention due to rising global energy ***,the development of energy storage materials is *** energy storage(TES)systems based on phase change materials(PCMs)have increased in prominence over the past two decades,not only because of their outstanding heat storage capacities but also their superior thermal energy regulation ***,issues such as leakage and low thermal conductivity limit their applicability in a variety of ***-based materials such as graphene and its derivatives can be utilized to surmount these *** study examines the recent advancements in graphene-based phase change composites(PCCs),where graphene-based nanostructures such as graphene,graphene oxide(GO),functionalized graphene/GO,and graphene aerogel(GA)are incorporated into PCMs to substantially enhance their shape stability and thermal conductivity that could be translated to better storage capacity,durability,and temperature response,thus boosting their attractiveness for TES *** addition,the applications of these graphene-based PCCs in various TES disciplines,such as energy conservation in buildings,solar utilization,and battery thermal management,are discussed and summarized.

关键词： Phase change material Nanocomposites Solar energy Sustainable energy Thermo-regulation

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Polymer electrolytes for flexible zinc-air batteries:Recent progress and future directions

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Nano Research 2024年第7期17卷 6058-6079页

作者： Jing Wu Wen-Ya Wu suxi wang Dan Kai Enyi Ye Warintorn Thitsartarn Janet Beng Hoon Tan Jianwei Xu Qingyu Yan Qiang Zhu Xian Jun Loh Institute of Sustainability for Chemicals Energy and Environment(ISCE2)Agency for ScienceTechnology and Research(A*STAR)1 Pesek RoadJurong IslandSingapore 627833Singapore Institute of Materials Research and Engineering(IMRE) Agency for ScienceTechnology and Research(A*STAR)2 Fusionopolis WayInnovis#08-03Singapore 138634Singapore School of Materials Science and Engineering Nanyang Technological University50 Nanyang AvenueSingapore 639798Singapore School of Chemistry Chemical Engineering and BiotechnologyNanyang Technological University21 Nanyang LinkSingapore 637371Singapore Department of Material Science and Engineering National University of Singapore9 Engineering Drive 1#03-09 EASingapore 117575Singapore

This review article delves into the development of electrolytes for flexible zinc-air batteries(FZABs),a critical component driving the advancement of flexible *** started by surveying the current advancements in electrolyte technologies,including solid-state and gel-based types,and their contributions to enhance the flexibility,efficiency,and durability of ***,we explored the challenges in this domain,focusing on maintaining electrolyte stability under mechanical stress,ensuring compatibility with flexible substrates,optimizing ion conductivity,and under harsh environmental ***,the key issues regarding interface details between electrolyte and the electrodes are covered as *** then discussed the future of electrolyte development in FZABs,highlighting potential avenues such as materials development,sustainability,in-situ studies,and battery *** review offers an in-depth overview of the advancements,challenges,and potential breakthroughs in creating electrolytes for FZABs over the past five *** serves as a guide for both researchers and industry professionals in this dynamic area.

关键词： flexible zinc-air batteries electrolyte polymer hydrogel electrolyte-electrode interface

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Erratum to:Polymer electrolytes for flexible zinc-air batteries:Recent progress and future directions

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Nano Research 2024年第9期17卷 8651-8651页

Erratum to Nano Research,2024,17(7):6058-6079 https://***/10.1007/s12274-024-6555-z The name and affiliation of the seventh author,Janet Beng Hoon Tan,were incorrectly *** corrections have been made to the online vers... 详细信息

关键词： correction directions flexible

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Bottom-Up Engineering Strategies for High-Performance Thermoelectric Materials

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Nano-Micro Letters 2021年第8期13卷 56-93页

作者： Qiang Zhu suxi wang Xizu wang Ady Suwardi Ming Hui Chua Xiang Yun Debbie Soo Jianwei Xu Institute of Materials Research and Engineering A*STAR(Agency for ScienceTechnology and Research)2 Fusionopolis WayInnovis#08-03Singapore 138634Singapore Department of Chemistry National University of Singapore3 Science Drive 3Singapore 117543Singapore

The recent advancements in thermoelectric materials are largely credited to two factors,namely established physical theories and advanced materials engineering *** developments in the physical theories have come a long way from the“phonon glass electron crystal”paradigm to the more recent band convergence and nanostructuring,which consequently results in drastic improvement in the thermoelectric figure of merit *** the other hand,the progresses in materials fabrication methods and processing technologies have enabled the discovery of new physical mechanisms,hence further facilitating the emergence of high-performance thermoelectric *** recent years,many comprehensive review articles are focused on various aspects of thermoelectrics ranging from thermoelectric materials,physical mechanisms and materials process techniques in particular with emphasis on solid state *** bottom-up approaches to obtain thermoelectric materials have widely been employed in thermoelectrics,comprehensive reviews on summarizing such methods are still *** this review,we will outline a variety of bottom-up strategies for preparing high-performance thermoelectric *** addition,state-of-art,challenges and future opportunities in this domain will be commented.

关键词： Thermoelectric Nanostructures Bottom-up Synthesis Nanomaterials

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Recent advances in graphene-based phase change composites for thermal energy storage and management

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纳米材料科学 2024年第2期 115页

作者： Qiang Zhu Pin Jin Ong Si Hui Angela Goh Reuben J.Yeo suxi wang Zhiyuan Liu Xian Jun Loh

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Polyethylene glycol/polylactic acid block co‐polymers as solid–solid phase change materials

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SmartMat 2023年第3期4卷 108-119页

作者： Xiang YDSoo Joseph K.Muiruri Jayven CCYeo Zhuang MPng Anqi Sng Huiqing Xie Rong Ji suxi wang Hongfei Liu Jianwei Xu Xian JLoh Qingyu Yan Zibiao Li Qiang Zhu Institute of Materials Research and Engineering(IMRE) Agency for ScienceTechnology and Research(A*STAR)Singapore Institute of Sustainability for Chemicals Energy and Environment(ISCE2)Agency for ScienceTechnology and Research(A*STAR)Singapore Department of Chemistry National University of SingaporeSingapore Department of Material Science and Engineering National University of SingaporeSingapore School of Materials Science and Engineering Nanyang Technological UniversitySingapore School of Chemistry Chemical Engineering and BiotechnologyNanyang Technological UniversitySingapore

Phase change materials(PCMs)are promising thermal energy storage materials due to their high specific latent *** PCMs typically exploit the solid–liquid(s–l)***,leakage and leaching are common issues for solid–liquid PCMs,which have to be addressed before usage in practical *** contrast,solid–solid(s–s)PCMs would naturally overcome these issues due to their inherent form stability and *** this study,we report a new type of s–s PCM based on chemically linked polyethylene glycol(PEG,the PCM portion)with polylactic acid(PLA,the support portion)in the form of a block co‐***‐solid latent heat of up to 56 J/g could be achieved,with melting points of between 44°C and 55°*** comparison,PEG was physically mixed into a PLA matrix to form a PEG:PLA ***,the composite material saw leakage of up to 9%upon heating,with a corresponding loss in thermal storage *** contrast,the mPEG/PLA block co‐polymers were found to be completely homogeneous and thermally stable even when heated above its phase transition temperature,with no observable leakage,demonstrating the superiority of chemical linking strategies in ensuring form stability.

关键词： block co‐polymer chemically linked form‐stable phase change material(PCM),polyethylene glycol(PEG) polylactic acid(PLA) solid–solid transition

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Face Masks in the New COVID-19 Normal: Materials, Testing,and Perspectives

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Research 2020年第1期2020卷 1245-1284页

作者： Ming Hui Chua Weiren Cheng Shermin Simin Goh Junhua Kong Bing Li Jason Y.CLim Lu Mao suxi wang Kun Xue Le Yang Enyi Ye Kangyi Zhang Wun Chet Davy Cheong Beng Hoon Tan Zibiao Li Ban Hock Tan Xian Jun Loh Institute of Materials Research and Engineering Agency for ScienceTechnology and Research(A∗STAR)2 Fusionopolis WayInnovisSingapore 138634 Department of Infectious Disease Singapore General HospitalSingapore

The increasing prevalence of infectious diseases in recent decades has posed a serious threat to public *** of transmission differ,but the respiratory droplet or airborne route has the greatest potential to disrupt social intercourse,while being amenable to prevention by the humble *** types of masks give different levels of protection to the *** ongoing COVID-19 pandemic has even resulted in a global shortage of face masks and the raw materials that go into them,driving individuals to self-produce masks from household *** the same time,research has been accelerated towards improving the quality and performance of face masks,e.g.,by introducing properties such as antimicrobial activity and *** review will cover mask-wearing from the public health perspective,the technical details of commercial and home-made masks,and recent advances in mask engineering,disinfection,and materials and discuss the sustainability of mask-wearing and mask production into the future.

关键词： details prevention driving

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公共产品提供的逻辑

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生产力研究 2005年第6期 36-37,F0003页

作者：康锋莉王苏喜厦门大学财政系福建厦门361005 西安工业学院人文学院陕西西安710032

从市场失效推导出来的公共产品理论不能有效地区分公共与私人产品,也不能解释公共提供的事实。本文试图从另一个角度讨论什么是决定产品公共提供的根本原因,并以外部性—效用相互依存性—公共提供这样的顺序来推导公共产品提供的逻辑。

关键词：公共产品外部性效用相互依存性

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任务型英语教学中信息技术应用的基本原则

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江西广播电视大学学报 2010年第3期28卷 58-60页

作者：王苏曦江西省万年师范学校江西万年335500

本文在整合任务型英语教学与信息技术应用相关理论的基础上,结合信息化英语教学实践,提出在任务型英语教学中,要发挥出信息技术的最大功效必须把握好三个基本原则:目标导向原则、简单适用原则和效果优化原则。

关键词：信息技术应用任务型英语教学基本原则

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GRP per capita and hospital characteristics associated with intravenous tissue plasminogen activator adherence rate:evidence from the Chinese Stroke Center Alliance

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Stroke & Vascular Neurology 2021年第3期6卷 337-343,I0001-I0005页

作者： suxi Zheng Tian Jie Lyu Zixiao Li Hongqiu Gu Xin Yang Chunjuan wang Hao Li Yong Jiang Haipeng Shen Yongjun wang Innvotion and Information Management HKU Business SchoolThe University of Hong KongHong KongChina China National Clinical Research Center for Neurological Diseases Beijing Tiantan HospitalCapital Medical UniversityBeijingChina National Center for Healthcare Quality Management in Neurological Diseases Beijing Tiantan HospitalCapital Medical UniversityBeijingChina Chinese Institute for Brain Research BeijingChina Shenzhen Institute of Research and Innovation The University of Hong KongShenzhenChina

Background Timely delivery of intravenous tissue plasminogen activator(IV-rt PA)is pivotal to eligible patients who had a stroke while achieving higher rates of IV-rt PA has been *** paper focuses on investigating influential factors associated with the administration of IV-rt PA,primarily per capita gross regional product(GRP)and healthcare system *** The study included 980 hospitals in the Chinese Stroke Center Alliance where 158003 patients who had an acute ischaemic stroke received IV-rt PA between August 2015 and August *** adherence rate to IV-rt PA within 4.5 hours time window in each hospital was the primary *** factors were grouped into two categories:macroeconomic status and hospital *** outcome was analysed using multivariable linear *** GRP per capita(β=2.37,p<0.001),hospital stroke centre certification(β=3.77,p<0.001),number of neurologists(β=0.12,p<0.001),existence of emergency services for neurological treatment(β=7.43,p=0.014),presence of emergency department(β=10.03,p=0.019)and cooperating with emergency centre(β=4.65,p=0.029)were significantly positively associated with the adherence rate to IV-rt *** Higher GRP per capita,affluent neurological personnel,well-equipped emergency services for neurological treatment and routine cooperation with the emergency centre were important for enhancing the adherence rate to IV-rt PA among patients who had an acute ischaemic stroke in China.

关键词： intravenous routine Alliance

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