Solid-state sodium batteries(SSSBs)are poised to replace lithium-ion batteries as viable alternatives for energy storage systems owing to their high safety and reliability,abundance of raw material,and low costs.Howev...Solid-state sodium batteries(SSSBs)are poised to replace lithium-ion batteries as viable alternatives for energy storage systems owing to their high safety and reliability,abundance of raw material,and low costs.However,as the core constituent of SSSBs,solid-state electrolytes(SSEs)with low ionic conductivities at room temperature(RT)and unstable interfaces with electrodes hinder the development of SSSBs.Recently,composite SSEs(CSSEs),which inherit the desirable properties of two phases,high RT ionic conductivity,and high interfacial stability,have emerged as viable alternatives;however,their governing mechanism remains unclear.In this review,we summarize the recent research progress of CSSEs,classified into inorganic-inorganic,polymer-polymer,and inorganic-polymer types,and discuss their structure-property relationship in detail.Moreover,the CSSE-electrode interface issues and effective strategies to promote intimate and stable interfaces are summarized.Finally,the trends in the design of CSSEs and CSSE-electrode interfaces are presented,along with the future development prospects of high-performance SSSBs.展开更多
Challenges facing high-voltage/high-capacity cathodes,in addition to the longstanding problems pertinent to lithium(Li)-metal anodes,should be addressed to develop high-energy-density Li-metal batteries.This issue mos...Challenges facing high-voltage/high-capacity cathodes,in addition to the longstanding problems pertinent to lithium(Li)-metal anodes,should be addressed to develop high-energy-density Li-metal batteries.This issue mostly stems from interfacial instability between electrodes and electrolytes.Conventional carbonate-or ether-based liquid electrolytes suffer from not only volatility and flammability but also limited electrochemical stability window.Here,we report a nitrile electrolyte strategy based on concentrated nitrile electrolytes(CNEs)with co-additives.The CNE consists of high-concentration lithium bis(fluorosulfonyl)imide(LiFSI)in a solvent mixture of succinonitrile(SN)/acetonitrile(AN).The SN/AN solvent mixture is designed to ensure high oxidation stability along with thermal stability,which are prerequisites for high-voltage Li-metal cells.The CNE exhibits interfacial stability with Li metals due to the coordinated solvation structure.Lithium nitrate(LiNO_(3))and indium fluoride(InF_(3))are incorporated in the CNE as synergistic co-additives to further stabilize solid-electrolyte interphase(SEI)on Li metals.The resulting electrolyte(CNE+LiNO_(3)/InF_(3))enables stable cycling performance in Li||LiNi_(0.8)Co_(0.1)Mn_(0.1)and 4.9 V-class Li||LiNi_(0.5)Mn_(1.5)O_(4)cells.Notably,the Li||LiNi_(0.5)Mn_(1.5)O_(4)cell maintains its electrochemical activity at high temperature(100℃)and even in flame without fire or explosion.展开更多
While sulfide solid electrolytes such as Na_(11)Sn_(2)PS_(12)can allow fast transport of Na+ions,their utilization in solid sodium ion batteries is rather unsuccessful since they are not electrochemically compatible t...While sulfide solid electrolytes such as Na_(11)Sn_(2)PS_(12)can allow fast transport of Na+ions,their utilization in solid sodium ion batteries is rather unsuccessful since they are not electrochemically compatible to both high-voltage cathodes and sodium metal anode.In this work,we devise an effective approach toward realizing solid sodium ion batteries,using the Na_(11)Sn_(2)PS_(12)electrolyte and slurry-coated NASICON-type Na_(3)MnTi(PO_(4))_(3)@C as high-voltage cathode,highly beneficial for low processing cost and high content/loading of active cathode matter.We report that through significantly improved integrity of electrolyte-cathode interface,such solid sodium ion batteries can deliver outstanding cycling and rate performance,with a charge voltage resilience up to 4.1 V,a high cathode discharge capacity of 128.7 mAh g^(-1)against the Na_(3)MnTi(PO_(4))_(3)@C in cathode is achieved at 0.05 C,and capacity retention ratio of 82%with a rate of 0.1 C is realized after prolonged cycling at room temperature.Besides,we demonstrate that such a solid sodium ion battery can even perform at a sub-zero Celsius temperature of-10℃,when the conventional control cell using liquid electrolyte completely fail to function.This work is to offer a dependable avenue in engineering next generation of safe solid ion batteries based on highly sustainable and much cheaper material resources.展开更多
This review article delves into the development of electrolytes for flexible zinc-air batteries(FZABs),a critical component driving the advancement of flexible electronics.We started by surveying the current advanceme...This review article delves into the development of electrolytes for flexible zinc-air batteries(FZABs),a critical component driving the advancement of flexible electronics.We 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 FZABs.Secondly,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 conditions.Furthermore,the key issues regarding interface details between electrolyte and the electrodes are covered as well.We then discussed the future of electrolyte development in FZABs,highlighting potential avenues such as materials development,sustainability,in-situ studies,and battery integration.This review offers an in-depth overview of the advancements,challenges,and potential breakthroughs in creating electrolytes for FZABs over the past five years.It serves as a guide for both researchers and industry professionals in this dynamic area.展开更多
基金China Postdoctoral Science Foundation,Grant/Award Numbers:2022TQ0065,2023M730614Science and Technology Commission of Shanghai Municipality,Grant/Award Numbers:21ZR1409300,23160714000+3 种基金Shanghai Post-doctoral Excellence Program,Grant/Award Number:2022029Thail and Science research and Innovation Fund Chulalongkorn University,The Program Management Unit for Human Resources&Institutional Development,Research and Innovation,Grant/Award Number:B41G670026National Key Research and Development Program of China,Grant/Award Number:2022YFB2502004Key Basic Research Program of Science and Technology Commission of Shanghai Municipality,Grant/Award Number:23520750400。
文摘Solid-state sodium batteries(SSSBs)are poised to replace lithium-ion batteries as viable alternatives for energy storage systems owing to their high safety and reliability,abundance of raw material,and low costs.However,as the core constituent of SSSBs,solid-state electrolytes(SSEs)with low ionic conductivities at room temperature(RT)and unstable interfaces with electrodes hinder the development of SSSBs.Recently,composite SSEs(CSSEs),which inherit the desirable properties of two phases,high RT ionic conductivity,and high interfacial stability,have emerged as viable alternatives;however,their governing mechanism remains unclear.In this review,we summarize the recent research progress of CSSEs,classified into inorganic-inorganic,polymer-polymer,and inorganic-polymer types,and discuss their structure-property relationship in detail.Moreover,the CSSE-electrode interface issues and effective strategies to promote intimate and stable interfaces are summarized.Finally,the trends in the design of CSSEs and CSSE-electrode interfaces are presented,along with the future development prospects of high-performance SSSBs.
基金supported by the U.S.Army Research Office(ARO)(W911NF-18-1-0016)supported by the Basic Science Research Program(2021R1A2B5B03001615,2021M3H4A1A02099355)through the National Research Foundation of Korea(NRF)funded by the Ministry of Science,ICT and Future Planning,the Technology Innovation Program(20010960,20012216)funded by the Ministry of Trade,Industry&Energy(MOTIE)the R&D program for Forest Science Technology(FTIS 2021354D10-2123-AC03)provided by Korea Forest Service(Korea Forestry Promotion Institute).
文摘Challenges facing high-voltage/high-capacity cathodes,in addition to the longstanding problems pertinent to lithium(Li)-metal anodes,should be addressed to develop high-energy-density Li-metal batteries.This issue mostly stems from interfacial instability between electrodes and electrolytes.Conventional carbonate-or ether-based liquid electrolytes suffer from not only volatility and flammability but also limited electrochemical stability window.Here,we report a nitrile electrolyte strategy based on concentrated nitrile electrolytes(CNEs)with co-additives.The CNE consists of high-concentration lithium bis(fluorosulfonyl)imide(LiFSI)in a solvent mixture of succinonitrile(SN)/acetonitrile(AN).The SN/AN solvent mixture is designed to ensure high oxidation stability along with thermal stability,which are prerequisites for high-voltage Li-metal cells.The CNE exhibits interfacial stability with Li metals due to the coordinated solvation structure.Lithium nitrate(LiNO_(3))and indium fluoride(InF_(3))are incorporated in the CNE as synergistic co-additives to further stabilize solid-electrolyte interphase(SEI)on Li metals.The resulting electrolyte(CNE+LiNO_(3)/InF_(3))enables stable cycling performance in Li||LiNi_(0.8)Co_(0.1)Mn_(0.1)and 4.9 V-class Li||LiNi_(0.5)Mn_(1.5)O_(4)cells.Notably,the Li||LiNi_(0.5)Mn_(1.5)O_(4)cell maintains its electrochemical activity at high temperature(100℃)and even in flame without fire or explosion.
基金supported in part by the Zhengzhou Materials Genome Institute,the National Natural Science Foundation of China(nos.51001091,111174256,91233101,51602094,11274100,51602290)the Fundamental Research Program from the Ministry of Science and Technology of China(no.2014CB931704).
文摘While sulfide solid electrolytes such as Na_(11)Sn_(2)PS_(12)can allow fast transport of Na+ions,their utilization in solid sodium ion batteries is rather unsuccessful since they are not electrochemically compatible to both high-voltage cathodes and sodium metal anode.In this work,we devise an effective approach toward realizing solid sodium ion batteries,using the Na_(11)Sn_(2)PS_(12)electrolyte and slurry-coated NASICON-type Na_(3)MnTi(PO_(4))_(3)@C as high-voltage cathode,highly beneficial for low processing cost and high content/loading of active cathode matter.We report that through significantly improved integrity of electrolyte-cathode interface,such solid sodium ion batteries can deliver outstanding cycling and rate performance,with a charge voltage resilience up to 4.1 V,a high cathode discharge capacity of 128.7 mAh g^(-1)against the Na_(3)MnTi(PO_(4))_(3)@C in cathode is achieved at 0.05 C,and capacity retention ratio of 82%with a rate of 0.1 C is realized after prolonged cycling at room temperature.Besides,we demonstrate that such a solid sodium ion battery can even perform at a sub-zero Celsius temperature of-10℃,when the conventional control cell using liquid electrolyte completely fail to function.This work is to offer a dependable avenue in engineering next generation of safe solid ion batteries based on highly sustainable and much cheaper material resources.
基金the Agency for Science,Technology and Research(A*STAR),Science and Engineering Research Council,and A*ccelerate Technologies for this work(No.GAP/2019/00314).
文摘This review article delves into the development of electrolytes for flexible zinc-air batteries(FZABs),a critical component driving the advancement of flexible electronics.We 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 FZABs.Secondly,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 conditions.Furthermore,the key issues regarding interface details between electrolyte and the electrodes are covered as well.We then discussed the future of electrolyte development in FZABs,highlighting potential avenues such as materials development,sustainability,in-situ studies,and battery integration.This review offers an in-depth overview of the advancements,challenges,and potential breakthroughs in creating electrolytes for FZABs over the past five years.It serves as a guide for both researchers and industry professionals in this dynamic area.
