Redox flow batteries have received wide attention for electrochemical energy conversion and storage devices due to their specific advantage of uncoupled power and energy devices,and therefore potentially to reduce the...Redox flow batteries have received wide attention for electrochemical energy conversion and storage devices due to their specific advantage of uncoupled power and energy devices,and therefore potentially to reduce the capital costs of energy storage.Terrific structural features of polyoxometalates exhibit unique advantages in redox flow batteries,such as,stable chemical properties,multi-electron reaction,good redox reversibility,low permeability,etc,which furnishes a novel perspective for settling various problems of redox flow batteries.This was a comprehensive and critical review of this type of batteries,focusing mainly on the chemistry of polyoxometalate electrolyte materials and introducing a systematic classification.Finally,challenges and perspectives of polyoxometalate electrolyte materials and polyoxometalate redox flow batteries are discussed.展开更多
Electrolyte electroreflectance (EER) has been widely employed to investigate the electronic energy band structure and related physical properties of semiconductors. The electrolyte electroreflectance (EER) method comb...Electrolyte electroreflectance (EER) has been widely employed to investigate the electronic energy band structure and related physical properties of semiconductors. The electrolyte electroreflectance (EER) method combined with electrochemical anodic dissolution was used to study GaAs/GaAlAs multilayer structural materials. According to variation of the EER spectra during anodic dissolution the characteristics of GaAs/GaAlAs multilayer structural materials such as properties of the interface, p-n junction positions and Al content profiles were obtained.展开更多
Alkali metal batteries(AMBs)have undergone substantial development in portable devices due to their high energy density and durable cycle performance.However,with the rising demand for smart wearable electronic device...Alkali metal batteries(AMBs)have undergone substantial development in portable devices due to their high energy density and durable cycle performance.However,with the rising demand for smart wearable electronic devices,a growing focus on safety and durability becomes increasingly apparent.An effective strategy to address these increased requirements involves employing the quasi-solid gel electrolytes(QSGEs).This review focuses on the application of QSGEs in AMBs,emphasizing four types of gel electrolytes and their influence on battery performance and stability.First,self-healing gels are discussed to prolong battery life and enhance safety through self-repair mechanisms.Then,flexible gels are explored for their mechanical flexibility,making them suitable for wearable devices and flexible electronics.In addition,biomimetic gels inspired by natural designs are introduced for high-performance AMBs.Furthermore,biomass materials gels are presented,derived from natural biomaterials,offering environmental friendliness and biocompatibility.Finally,the perspectives and challenges for future developments are discussed in terms of enhancing the ionic conductivity,mechanical strength,and environmental stability of novel gel materials.The review underscores the significant contributions of these QSGEs in enhancing AMBs performance,including increased lifespan,safety,and adaptability,providing new insights and directions for future research and applications in the field.展开更多
Lithium halide solid-state electrolytes,with the general formula of Li_(3±m)M_(n)X_(6),are regarded as the promising families of electrolyte material for all solid-state lithium-ion batteries because of the relat...Lithium halide solid-state electrolytes,with the general formula of Li_(3±m)M_(n)X_(6),are regarded as the promising families of electrolyte material for all solid-state lithium-ion batteries because of the relatively good ionic conductivity,high oxidative stability against high-voltage oxide cathodes,and broad electrochemical stability window[1].Here,M stands for one or multiple metal elements and X for one or multiple halogen elements.展开更多
Aluminum industrial solid waste represents a highly abundant yet underutilized resource.Its incorporation into asphalt pavement applications can effectively reduce the exploitation of natural resources and mitigate en...Aluminum industrial solid waste represents a highly abundant yet underutilized resource.Its incorporation into asphalt pavement applications can effectively reduce the exploitation of natural resources and mitigate environmental issues caused by waste accumulation.This paper focuses on typical solid waste resources generated by the aluminum industry,summarizing the latest research progress in their application within the asphalt pavement industry and proposing key directions for future attention.The physicochemical properties of red mud(RM),spent aluminum electrolytic cathode materials,and secondary aluminum dross(SAD)are reviewed.The effects and mechanisms of RM,spent aluminum electrolytic cathode materials,and SAD on the performance of asphalt and its mixtures are elaborated.RM significantly enhances the aging resistance of asphalt,the hightemperature rheological properties of asphalt mastic,and the rutting resistance of asphalt mixtures.Spent aluminum electrolytic cathode materials require the removal of fluorides and cyanides before further application in asphalt pavement.SAD effectively improves the dynamic stability of asphalt mixtures.This review presents the first systematic summary of key scientific challenges and technical bottlenecks in the application of aluminum industrial solid waste in asphalt pavements.It clarifies that future research should prioritize waste pretreatment technologies,performance regulation mechanisms,and life cycle environmental impact assessments.These contributions provide essential theoretical foundations and technical guidance for advancing the resource utilization of aluminum industrial solid waste,holding substantial significance for promoting the development of green transportation infrastructure.展开更多
Aqueous batteries are an emerging next-generation technology for large-scale energy storage.Among various metal-ion systems,manganese-based batteries have attracted significant interest due to their superior theoretic...Aqueous batteries are an emerging next-generation technology for large-scale energy storage.Among various metal-ion systems,manganese-based batteries have attracted significant interest due to their superior theoretical energy density over zinc-based battery systems.This study demonstrates oxygen vacancy-engineered vanadium oxide(V_(2)O_(4.85))as a high-performance cathode material for aqueous manganese metal batteries.The V_(2)O_(4.85) cathode had a discharge capacity of 212.6 mAh g^(-1) at 0.1 A g^(-1),retaining 89.5%capacity after 500 cycles.Oxygen vacancies enhanced ion diffusion and reduced migration barriers,facilitating both Mn^(2+)and H^(+)ion intercalation.Proton intercalation dominated charge storage,forming Mn(OH)_(2) layers,whereas Mn^(2+)contributed to surface-limited reactions.Furthermore,manganese metal batteries had a significantly higher operating voltage than that of aqueous zinc battery systems.Despite challenges with hydrogen evolution reactions at the Mn metal anode,this study underscores the potential of manganese batteries for future energy storage systems.展开更多
In the past few years,supercapacitors(SCs)have attracted great attention in both academic and industrial sectors due to their high energy storage efficiency,reliable stability,and eco-friendly process.Flexible solid-s...In the past few years,supercapacitors(SCs)have attracted great attention in both academic and industrial sectors due to their high energy storage efficiency,reliable stability,and eco-friendly process.Flexible solid-state SCs as one of the ongoing focuses for the development of wearable and portable electronics have become the most promising energy storage devices for the smart power system due to their high power density,fast electrochemical response,high efficiency on the charge-discharge process,and excellent electrochemical stability.In this study,the recent progress in the electrodes and electrolytes used for approaching high-performance of the all-solid-state flexible SCs is reviewed.We first introduce basic operational principles of various SCs.And then we overview the electrode materials including carbon materials,conducting polymers,transition metal oxides/chalcogenides/nitrides,MXenes,metal-organic frameworks,covalent-organic frameworks,and the polymer-based solid-state electrolytes in different systems.Afterward,we summarize recent progress in the development of the all-solid-state flexible SCs and outlook for future research directions.展开更多
基金supported by the National Natural Science Foundation of China(No.22178012,21722601)China Postdoctoral Science Foundation(No.2019M660389).
文摘Redox flow batteries have received wide attention for electrochemical energy conversion and storage devices due to their specific advantage of uncoupled power and energy devices,and therefore potentially to reduce the capital costs of energy storage.Terrific structural features of polyoxometalates exhibit unique advantages in redox flow batteries,such as,stable chemical properties,multi-electron reaction,good redox reversibility,low permeability,etc,which furnishes a novel perspective for settling various problems of redox flow batteries.This was a comprehensive and critical review of this type of batteries,focusing mainly on the chemistry of polyoxometalate electrolyte materials and introducing a systematic classification.Finally,challenges and perspectives of polyoxometalate electrolyte materials and polyoxometalate redox flow batteries are discussed.
文摘Electrolyte electroreflectance (EER) has been widely employed to investigate the electronic energy band structure and related physical properties of semiconductors. The electrolyte electroreflectance (EER) method combined with electrochemical anodic dissolution was used to study GaAs/GaAlAs multilayer structural materials. According to variation of the EER spectra during anodic dissolution the characteristics of GaAs/GaAlAs multilayer structural materials such as properties of the interface, p-n junction positions and Al content profiles were obtained.
基金support from the Postgraduate Research&Practice Innovation Program of Jiangsu Province(Yangzhou University)(KYCX23_3508)the Yangzhou University International Academic Exchange Fund.Prof.Guoxiu Wang acknowledges the Australian Research Council(ARC)Linkage project(LP200200926).
文摘Alkali metal batteries(AMBs)have undergone substantial development in portable devices due to their high energy density and durable cycle performance.However,with the rising demand for smart wearable electronic devices,a growing focus on safety and durability becomes increasingly apparent.An effective strategy to address these increased requirements involves employing the quasi-solid gel electrolytes(QSGEs).This review focuses on the application of QSGEs in AMBs,emphasizing four types of gel electrolytes and their influence on battery performance and stability.First,self-healing gels are discussed to prolong battery life and enhance safety through self-repair mechanisms.Then,flexible gels are explored for their mechanical flexibility,making them suitable for wearable devices and flexible electronics.In addition,biomimetic gels inspired by natural designs are introduced for high-performance AMBs.Furthermore,biomass materials gels are presented,derived from natural biomaterials,offering environmental friendliness and biocompatibility.Finally,the perspectives and challenges for future developments are discussed in terms of enhancing the ionic conductivity,mechanical strength,and environmental stability of novel gel materials.The review underscores the significant contributions of these QSGEs in enhancing AMBs performance,including increased lifespan,safety,and adaptability,providing new insights and directions for future research and applications in the field.
文摘Lithium halide solid-state electrolytes,with the general formula of Li_(3±m)M_(n)X_(6),are regarded as the promising families of electrolyte material for all solid-state lithium-ion batteries because of the relatively good ionic conductivity,high oxidative stability against high-voltage oxide cathodes,and broad electrochemical stability window[1].Here,M stands for one or multiple metal elements and X for one or multiple halogen elements.
基金supported by the National Natural Science Foundation of China(No.52368058)Guangxi Science and Technology Program(Gui Ke AB23026067).
文摘Aluminum industrial solid waste represents a highly abundant yet underutilized resource.Its incorporation into asphalt pavement applications can effectively reduce the exploitation of natural resources and mitigate environmental issues caused by waste accumulation.This paper focuses on typical solid waste resources generated by the aluminum industry,summarizing the latest research progress in their application within the asphalt pavement industry and proposing key directions for future attention.The physicochemical properties of red mud(RM),spent aluminum electrolytic cathode materials,and secondary aluminum dross(SAD)are reviewed.The effects and mechanisms of RM,spent aluminum electrolytic cathode materials,and SAD on the performance of asphalt and its mixtures are elaborated.RM significantly enhances the aging resistance of asphalt,the hightemperature rheological properties of asphalt mastic,and the rutting resistance of asphalt mixtures.Spent aluminum electrolytic cathode materials require the removal of fluorides and cyanides before further application in asphalt pavement.SAD effectively improves the dynamic stability of asphalt mixtures.This review presents the first systematic summary of key scientific challenges and technical bottlenecks in the application of aluminum industrial solid waste in asphalt pavements.It clarifies that future research should prioritize waste pretreatment technologies,performance regulation mechanisms,and life cycle environmental impact assessments.These contributions provide essential theoretical foundations and technical guidance for advancing the resource utilization of aluminum industrial solid waste,holding substantial significance for promoting the development of green transportation infrastructure.
基金supported by the Global Joint Research Program funded by Pukyong National University(202411790001)supported by the Nano&Material Technology Development Program through the National Research Foundation of Korea(NRF),funded by the Ministry of Science and ICT(RS-2024-00446825)by the Technology Innovation Program(RS-2024-00418815)funded by the Ministry of Trade,Industry&Energy(MOTIE,Korea).
文摘Aqueous batteries are an emerging next-generation technology for large-scale energy storage.Among various metal-ion systems,manganese-based batteries have attracted significant interest due to their superior theoretical energy density over zinc-based battery systems.This study demonstrates oxygen vacancy-engineered vanadium oxide(V_(2)O_(4.85))as a high-performance cathode material for aqueous manganese metal batteries.The V_(2)O_(4.85) cathode had a discharge capacity of 212.6 mAh g^(-1) at 0.1 A g^(-1),retaining 89.5%capacity after 500 cycles.Oxygen vacancies enhanced ion diffusion and reduced migration barriers,facilitating both Mn^(2+)and H^(+)ion intercalation.Proton intercalation dominated charge storage,forming Mn(OH)_(2) layers,whereas Mn^(2+)contributed to surface-limited reactions.Furthermore,manganese metal batteries had a significantly higher operating voltage than that of aqueous zinc battery systems.Despite challenges with hydrogen evolution reactions at the Mn metal anode,this study underscores the potential of manganese batteries for future energy storage systems.
文摘In the past few years,supercapacitors(SCs)have attracted great attention in both academic and industrial sectors due to their high energy storage efficiency,reliable stability,and eco-friendly process.Flexible solid-state SCs as one of the ongoing focuses for the development of wearable and portable electronics have become the most promising energy storage devices for the smart power system due to their high power density,fast electrochemical response,high efficiency on the charge-discharge process,and excellent electrochemical stability.In this study,the recent progress in the electrodes and electrolytes used for approaching high-performance of the all-solid-state flexible SCs is reviewed.We first introduce basic operational principles of various SCs.And then we overview the electrode materials including carbon materials,conducting polymers,transition metal oxides/chalcogenides/nitrides,MXenes,metal-organic frameworks,covalent-organic frameworks,and the polymer-based solid-state electrolytes in different systems.Afterward,we summarize recent progress in the development of the all-solid-state flexible SCs and outlook for future research directions.
