Inspired by high theoretical energy density(-2600 W h kg^(-1))and cost-effectiveness of sulfur cathode,lithium–sulfur batteries are receiving great attention and considered as one of the most promising next-generatio...Inspired by high theoretical energy density(-2600 W h kg^(-1))and cost-effectiveness of sulfur cathode,lithium–sulfur batteries are receiving great attention and considered as one of the most promising next-generation high-energy-density batteries.However,over the past decades,the energy density and reliable safety levels as well as the commercial progress of lithium-sulfur batteries are still far from satisfactory due to the disconnection and huge gap between fundamental research and practical application.展开更多
Sulfide solid electrolytes(e.g.,lithium thiophosphates)have the highest room-temperature ionic conductivity(-10^(-2) S cm^(-1))among solid Li-ion conductors so far,and thus have attracted ever-increasing attention for...Sulfide solid electrolytes(e.g.,lithium thiophosphates)have the highest room-temperature ionic conductivity(-10^(-2) S cm^(-1))among solid Li-ion conductors so far,and thus have attracted ever-increasing attention for high energy-density and safety all-solid-state batteries(ASSBs).However,interfacial issues between sulfide electrolytes and electrodes have been the main challenges for their applications in ASSBs.The interfacial instabilities would occur due to side reactions of sulfides with electrodes,poor solid-solid contact,and lithium dendrites during charge/discharge cycling.In this review,we analyze the interfacial issues in ASSBs based on sulfide electrolytes,and in particular,discuss strategies for solving these interfacial issues and stabilize the electrode-electrolyte interfaces.Moreover,a perspective of the interfacial engineering for sulfide-based ASSBs is provided.展开更多
基金This work is supported by National Natural Science Foundation of China(Grant No.51772272,51502263,and 51728204)Fundamental Research Funds for the Central Universities(Grant No.2018QNA4011),Qianjiang Talents Plan D(QJD1602029)+5 种基金Startup Foundation for Hundred-Talent Program of Zhejiang UniversityY.X.acknowledges the support by National Natural Science Foundation of China(21403196)Natural Science Foundation of Zhejiang Province(LY17E020010)W.Z.acknowledges the support by National Natural Science Foundation of China(51572240)Natural Science Foundation of Zhejiang Province(LY16E070004 and 2017C01035)H.H.acknowledges the support by Natural Science Foundation of Zhejiang Province(LY18B030008).
文摘Inspired by high theoretical energy density(-2600 W h kg^(-1))and cost-effectiveness of sulfur cathode,lithium–sulfur batteries are receiving great attention and considered as one of the most promising next-generation high-energy-density batteries.However,over the past decades,the energy density and reliable safety levels as well as the commercial progress of lithium-sulfur batteries are still far from satisfactory due to the disconnection and huge gap between fundamental research and practical application.
基金supported by the Basic Science Center Program of NSFC under Grant No.51788104,NSFC projects under Grant Nos.51532002.F.H.R.acknowledges the support from the BMBF for the project FLiPS(03XP0261).S.W.acknowledges the financial support by the China Scholarship Council.
文摘Sulfide solid electrolytes(e.g.,lithium thiophosphates)have the highest room-temperature ionic conductivity(-10^(-2) S cm^(-1))among solid Li-ion conductors so far,and thus have attracted ever-increasing attention for high energy-density and safety all-solid-state batteries(ASSBs).However,interfacial issues between sulfide electrolytes and electrodes have been the main challenges for their applications in ASSBs.The interfacial instabilities would occur due to side reactions of sulfides with electrodes,poor solid-solid contact,and lithium dendrites during charge/discharge cycling.In this review,we analyze the interfacial issues in ASSBs based on sulfide electrolytes,and in particular,discuss strategies for solving these interfacial issues and stabilize the electrode-electrolyte interfaces.Moreover,a perspective of the interfacial engineering for sulfide-based ASSBs is provided.
