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Sustainable nanostructured electrolyte additives for stable metal anodes

eScience 2024年第4期4卷 54-68页

作者： Wenjie Fan Huanlei Wang Jingyi Wu School of Materials Science and Engineering Ocean University of ChinaQingdao 266404China

metal anodes(e.g.,Li and Zn)are promising candidates for high-energy and high-power rechargeable ***,the commercialization of metal anodes is hampered by irregular dendrite growth,which severely deteriorates the safety and cyclability of metal *** the electrolyte by nanostructured additives to regulate the metal deposition shows great potential since the electrochemically nonreactive feature endows the regulation function with good *** this manuscript,the fundamental dendrite formation models and key parameters for stabilizing metal anode are first *** progress and functional mechanism of nanostructured additives for regulating the metal deposition are summarized in terms of regulatory model,i.e.,deposition-,adsorption-and ***,we also provide a detailed concluding outlook,pointing out the future trend of selecting new nanostructured additive candidates and elucidating synergistic effects and underlying mechanisms with the key attention being given to the assessments of practicality.

关键词： metal anodes Electrolyte additives Sustainability Nanostructured materials

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Harnessing the Unique Features of 2D Materials toward Dendrite-free metal anodes

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Energy & Environmental Materials 2022年第1期5卷 45-67页

作者： Zhenjiang Cao Yongzheng Zhang Yanglansen Cui Jianan Gu Zhiguo Du Yongzheng Shi Kai Shen Hao Chen Bin Li Shubin Yang School of Materials Science and Engineering Beihang UniversityBeijing 100191China

Electrochemically active metal anodes,such as lithium,sodium,potassium,and zinc,have attracted great research interests in the advanced rechargeable batteries owing to their superior theoretical energy ***,the metal anodes suffer from the huge volume changes with loss of active materials during the plating and stripping processes,resulting in fast capacity ***,the random growth of dendrites on the metal anodes will penetrate the separator,causing severe safety *** metal anodes by introducing the 2D materials are widely investigated to alleviate these *** from the ultrathin structure feature and unique electrical properties,2D materials are regarded as one of the best host of metal ***,the tunable active sites on basal plane enable 2D materials to achieve favorable interaction with metal ***,some 2D materials exhibit good mechanical strength and flexibility,serving as building block for the artificial solid electrolyte *** this review,we mainly disclosed the correlations between the intrinsic properties of 2D materials and their functions in guiding uniform nucleation,controlling the growth of metals,and accommodating the volume ***,the challenges of 2D materials in metal anodes are well ***,the future directions to develop highperformance metal anodes by taking advantage of these unique features of 2D materials are proposed.

关键词： 2D materials metal anodes dendrite-free nucleation high-energy density

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Photo-assisted Rechargeable metal Batteries for Energy Conversion and Storage

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Energy & Environmental Materials 2022年第2期5卷 439-451页

作者： Nanfu Yan Xueping Gao Institute of Applied Chemistry Jiangxi Academy of SciencesNanchang 330096China Institute of New Energy Material Chemistry School of Materials Science and EngineeringRenewable Energy Conversion and Storage CenterNankai UniversityTianjin 300350China

Solar cells hold a function of photovoltaic conversion,while rechargeable metal batteries have an advantage of high energy *** conventional charge mode of batteries is made based on complete utilization of electric *** combination of solar cells and rechargeable metal batteries brings a new opportunity for the development of photo-assisted rechargeable batteries,in which the solar energy can be utilized to partially achieve photo-charging with or without external electrical *** review highlights the working mechanism and structure design of photo-assisted rechargeable metal batteries according to the characteristics of rechargeable metal batteries and advantage of the photovoltaic *** particular,the recent advances are introduced for photo-assisted rechargeable batteries based on light-weight metal anodes,including metal lithium,metal sodium,and metal *** working features of the integrated devices are also discussed for energy saving under photo-assisted charging ***,a future outlook is provided for further improving the performance of photoassisted rechargeable metal batteries.

关键词： metal anodes photo-assisted charge rechargeable batteries solar cells

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Thermodynamic analysis and kinetic optimization of high-energy batteries based on multi-electron reactions

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National Science Review 2020年第8期7卷 1367-1386页

作者： Yong-Xin Huang Feng Wu Ren-Jie Chen Beijing Key Laboratory of Environmental Science and Engineering School of Materials Science and Engineering Beijing Institute of Technology Advanced Technology Research Institute (Jinan) Beijing Institute of Technology Collaborative Innovation Center of Electric Vehicles in Beijing

Multi-electron reaction can be regarded as an effective way of building high-energy systems(>500 W h kg-1). However, some confusions hinder the development of multi-electron mechanisms, such as clear concept, complex reaction, material design and electrolyte optimization and full-cell ***, this review discusses the basic theories and application bottlenecks of multi-electron mechanisms from the view of thermodynamic and dynamic principles. In future, high-energy batteries,metal anodes and multi-electron cathodes are promising electrode materials with high theoretical capacity and high output voltage. While the primary issue for the multi-electron transfer process is sluggish kinetics,which may be caused by multiple ionic migration, large ionic radius, high reaction energy barrier, low electron conductivity, poor structural stability, etc., it is urgent that feasible and versatile modification methods are summarized and new inspiration proposed in order to break through kinetic ***, the remaining challenges and future research directions are revealed in detail, involving the search for high-energy systems, compatibility of full cells, cost control, etc.

关键词： multi-electron reactions thermodynamic kinetics high-energy density metal anodes

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Chemical modification of ordered/disordered carbon nanostructures for metal hosts and electrocatalysts of lithium-air batteries

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InfoMat 2022年第1期4卷 105-129页

作者： Jeongyeon Lee Tae Hyung Lee Ho Won Jang Ho Seok Park School of Chemical Engineering Convergence Research Center for Energy and Environmental SciencesDepartment of Health Sciences and TechnologySamsung Advanced Institute for Health Sciences and Technology(SAIHST)Sungkyunkwan University(SKKU)SuwonRepublic of Korea Institute of Textiles Clothing The Hong Kong Polytechnic UniversityHung HomHong Kong SARChina Department of Materials Science and Engineering Research Institute of Advanced MaterialsSeoul National UniversitySeoulRepublic of Korea

Although lithium-air batteries(LABs)are considered the promising alternative of existing lithium–ion batteries owing to their high energy density of 11680 W h kg^(-1),their practical applications are limited by the technical issues,such as unstable solid electrolyte interface and dendrite formation from metal anode and insufficient bifunctional activities and durability from cathode *** order to resolve these bottlenecks,carbon nanostructures have been investigated owing to their high surface area,excellent electrical conductivity,electrochemical stability,and various modification ***,we comprehensively review a recent progress on the design of carbon nanostructures for their applications into metal hosts,protection layers,and bifunctional electrocatalysts of *** correlation between the crystalline,electronic,porous,and chemical structures and the electrochemical properties of carbon nanomaterials are discussed depending on their classification and *** chemical modifications,such as morphological control,hierarchical architecturing,heteroatom incorporation,and the formation of composites,for the improved electrochemical performances of anode and cathode will be also ***,we deal with the perspectives for the ongoing obstruction and future guidance.

关键词： bifunctional catalysts carbon nanostructures lithium-air batteries metal anodes surface modification

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