有效疏散是保障人民生命安全的主要手段之一。疏散是一个具有多因素耦合的复杂过程,所涉及学科、领域广,文献种类多。为了揭示国内外疏散研究的重点和发展趋势,使用VOSviewer和CiteSpace软件对知网和Web of science数据库文献资料进行...有效疏散是保障人民生命安全的主要手段之一。疏散是一个具有多因素耦合的复杂过程,所涉及学科、领域广,文献种类多。为了揭示国内外疏散研究的重点和发展趋势,使用VOSviewer和CiteSpace软件对知网和Web of science数据库文献资料进行可视化处理,并基于文献计量学理论和方法对年度发文量、发文国家、文献作者及合作情况和关键词等内容进行分析。结果表明,目前疏散领域正处于探索阶段,还有很大的发展空间;在2012年1月—2022年6月,该领域全球发文量占比中国最高,美国其次;国内外交流合作尚不频繁,还未形成研究主力军和核心作者群;研究热点主要在火灾以及模拟方面,特别是对于火灾疏散方面的研究。为了保证研究结果的重复性和可靠性,应进一步加强研究。展开更多
In the context of rapid economic development,the pursuit of sustainable energy solutions has become a major challenge.Lithium-ion capacitors(LICs),which integrate the high energy density of lithium-ion batteries with ...In the context of rapid economic development,the pursuit of sustainable energy solutions has become a major challenge.Lithium-ion capacitors(LICs),which integrate the high energy density of lithium-ion batteries with the high power density of supercapacitors,have emerged as promising candidates.However,challenges such as poor capacity matching and limited energy density still hinder their practical application.Carbon nanofibers(CNFs),with their high specific surface area,excellent electrical conductivity,mechanical flexibility,and strong compatibility with active materials,are regarded as ideal electrode frameworks for LICs.This review summarizes key strategies to improve the electrochemical performance of CNF-based LICs,including structural engineering,heteroatom doping,and hybridization with transition metal oxides.The underlying mechanisms of each approach are discussed in detail,with a focus on their roles in improving capacitance,energy density,and cycling stability.This review aims to provide insights into material design and guide future research toward high-performance LICs for next-generation energy storage applications.展开更多
文摘有效疏散是保障人民生命安全的主要手段之一。疏散是一个具有多因素耦合的复杂过程,所涉及学科、领域广,文献种类多。为了揭示国内外疏散研究的重点和发展趋势,使用VOSviewer和CiteSpace软件对知网和Web of science数据库文献资料进行可视化处理,并基于文献计量学理论和方法对年度发文量、发文国家、文献作者及合作情况和关键词等内容进行分析。结果表明,目前疏散领域正处于探索阶段,还有很大的发展空间;在2012年1月—2022年6月,该领域全球发文量占比中国最高,美国其次;国内外交流合作尚不频繁,还未形成研究主力军和核心作者群;研究热点主要在火灾以及模拟方面,特别是对于火灾疏散方面的研究。为了保证研究结果的重复性和可靠性,应进一步加强研究。
文摘In the context of rapid economic development,the pursuit of sustainable energy solutions has become a major challenge.Lithium-ion capacitors(LICs),which integrate the high energy density of lithium-ion batteries with the high power density of supercapacitors,have emerged as promising candidates.However,challenges such as poor capacity matching and limited energy density still hinder their practical application.Carbon nanofibers(CNFs),with their high specific surface area,excellent electrical conductivity,mechanical flexibility,and strong compatibility with active materials,are regarded as ideal electrode frameworks for LICs.This review summarizes key strategies to improve the electrochemical performance of CNF-based LICs,including structural engineering,heteroatom doping,and hybridization with transition metal oxides.The underlying mechanisms of each approach are discussed in detail,with a focus on their roles in improving capacitance,energy density,and cycling stability.This review aims to provide insights into material design and guide future research toward high-performance LICs for next-generation energy storage applications.
