Since the discovery of Li_(7)La_(3)Zr_(2)O_(12)(LLZO)as a solid-state electrolyte(SSE)capable of replacing flammable organic electrolytes in Li-ion batteries and enabling the use of Li-metal anodes,1 research into LLZ...Since the discovery of Li_(7)La_(3)Zr_(2)O_(12)(LLZO)as a solid-state electrolyte(SSE)capable of replacing flammable organic electrolytes in Li-ion batteries and enabling the use of Li-metal anodes,1 research into LLZO-based solid-state batteries(SSBs)has advanced at an impressive pace.展开更多
Li−garnet solid-state batteries(SSBs)have attracted a great deal of attention due to their nonflammability,nontoxicity,and potential to achieve significantly higher energy and power densities compared to those of conv...Li−garnet solid-state batteries(SSBs)have attracted a great deal of attention due to their nonflammability,nontoxicity,and potential to achieve significantly higher energy and power densities compared to those of conventional Li-ion batteries.1−5 Research that began in 20076 and focused primarily on improving the Li-ion conductivity of Li7La3Zr2O12(LLZO)has since evolved into the development of Li−garnet SSBs,encompassing aspects of the LLZO/Li interface,7,8 the electrochemical voltage window of LLZO,9−11 and compatibility with current cathode chemistries.12−15 Nevertheless,an analysis of the literature shows that there is still no clear opinion in the research community on the configuration of future Li−garnet SSBs.In particular,opinions differ on the design of the LLZO-based anode layer that accounts for(i)the dynamic expansion and shrinkage of the Li metal(from up to 5−25μm for the area capacity of 1−5 mAh cm^(−2))and(ii)the probability of void formation at the Li/LLZO interface.展开更多
Nature Photonics 16,575-581(2022) The past decade has seen the raise of hybrid organic-inorganic lead halide perovskites as highly potent semi-conductors for direct-conversion X-ray detectors.While offering unmatched ...Nature Photonics 16,575-581(2022) The past decade has seen the raise of hybrid organic-inorganic lead halide perovskites as highly potent semi-conductors for direct-conversion X-ray detectors.While offering unmatched cost advantages owing to solution growth,and unique defect-tolerant,intrinsic semi-conductor characteristics,these materials suffer from reduced operational stability caused by ionic drift and lattice instability.展开更多
基金funding from the Swiss National Science Foundation(No.10.003.732)and Innosuisse(Grant No.58207.1).
文摘Since the discovery of Li_(7)La_(3)Zr_(2)O_(12)(LLZO)as a solid-state electrolyte(SSE)capable of replacing flammable organic electrolytes in Li-ion batteries and enabling the use of Li-metal anodes,1 research into LLZO-based solid-state batteries(SSBs)has advanced at an impressive pace.
基金This research is part of the activities of the joint Empa-Fraunhofer ICS project“IE4B”,which is financially supported under the ICON funding scheme。
文摘Li−garnet solid-state batteries(SSBs)have attracted a great deal of attention due to their nonflammability,nontoxicity,and potential to achieve significantly higher energy and power densities compared to those of conventional Li-ion batteries.1−5 Research that began in 20076 and focused primarily on improving the Li-ion conductivity of Li7La3Zr2O12(LLZO)has since evolved into the development of Li−garnet SSBs,encompassing aspects of the LLZO/Li interface,7,8 the electrochemical voltage window of LLZO,9−11 and compatibility with current cathode chemistries.12−15 Nevertheless,an analysis of the literature shows that there is still no clear opinion in the research community on the configuration of future Li−garnet SSBs.In particular,opinions differ on the design of the LLZO-based anode layer that accounts for(i)the dynamic expansion and shrinkage of the Li metal(from up to 5−25μm for the area capacity of 1−5 mAh cm^(−2))and(ii)the probability of void formation at the Li/LLZO interface.
文摘Nature Photonics 16,575-581(2022) The past decade has seen the raise of hybrid organic-inorganic lead halide perovskites as highly potent semi-conductors for direct-conversion X-ray detectors.While offering unmatched cost advantages owing to solution growth,and unique defect-tolerant,intrinsic semi-conductor characteristics,these materials suffer from reduced operational stability caused by ionic drift and lattice instability.
