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Recent progress in carbon/lithium metal composite anode for safe lithium metal batteries

Rare Metals 2018年第6期37卷 449-458页

作者： Tao Li He Liu Peng Shi Qiang Zhang Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology Department of Chemical Engineering Tsinghua University

Owing to their very high theoretical capacity, lithium （Li） metal anodes regain widespread attentions for their promising applications for next-generation high-energy-density Li batteries （e.g., lithium-sulfur batteries, lithium-oxygen batteries, solid-state lithium metal batter- ies）. However, the inherent bottleneck of Li metal anodes, especially the growth of Li dendrites and the related safety concerns, should be well addressed. Owing to their featured micro-/nano-porous structures and intriguing physical properties, nanocarbon materials have been applied as host materials for Li metal anodes. This review summarizes the recent progress in the development of porous nanocarbon materials for safe Li metal anodes. The perspectives regarding the challenges and future development of employing micro-/nano-porous carbon materials in Li metal anodes are also included.

关键词： Li metal anode Carbon nanomaterials Composite electrode Solid electrolyte interphase Rechargeable batteries lithiophilic hosts Graphene

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Electrospun carbon nanofibers for lithium metal anodes:Progress and perspectives

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Chinese Chemical Letters 2022年第1期33卷 141-152页

作者： Hongyang Chen Manxian Li Chuanping Li Xuan Li Yaling Wu Xiaochuan Chen Junxiong Wu Xiaoyan Li Yuming Chen College of Environmental Science and Engineering Fujian Normal UniversityFuzhou 350007China College of Life Science Fujian Normal UniversityFuzhou 350007China School of Chemistry Sun Yat-Sen UniversityGuangzhou 510275China State Key Laboratory of Structural Chemistry Fuzhou 350000China

Li metal anodes(LMAs)has attracted extensive research interest because of its extremely high theoretical capacity(3860 m Ah/g)at low redox potential(-3.04 V *** hydrogen electrode).However,the extremely high chemical reactivity and the intrinsic“hostless”nature of LMAs bring about serious dendritic growth and dramatic volume change during the plating/strapping process,thus resulting in poor Coulombic efficiency,short lifespan,and severe safety *** various strategies,the construction of three-dimensional carbonaceous scaffolds for LMAs can substantially reduce the local current density,inhibit Li dendrite growth,and accommodate volume *** is a simple yet effective strategy to fabricate carbon nanofibers(CNFs),which have been regarded as promising skeletons for LMAs,owing to their large surface areas,good electrical conductivity,and high *** this Mini Review,we briefly introduce the fabrication of CNFs using electrospinning and the modification of *** highlight the recent advances in electrospun CNF skeletons for LMAs,including pure CNF and CNF-based composite ***,we discuss the remaining challenges of electrospun CNF scaffolds for LMAs and provide possible solutions to push forward the advancement in this field.

关键词： Electrospinning Lithium metal anodes Carbon nanofibers lithiophilic hosts Three-dimensional skeletons

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