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Garnet-type fast ionic conductor for all-solid-state lithium battery
http://www.tut.ac.jp/english/introduction/docs/pr20160720_inada.pdf[font face=Serif][font size=5]Garnet-type fast ionic conductor for all-solid-state lithium battery[/font]
[font size=4]Development of garnet-type fast ionic conducting oxide for application to all-solid-state lithium battery[/font]
[font size=3]Rechargeable all-solid-state lithium batteries are expected to be one of the next-generation energy storage devices because of their high energy density, safety, and excellent cycle stability. The materials used for the solid electrolyte must not only have a high lithium-ion conductivity above 1 mS/cm at room temperature, but also possess chemical stability.
Oxide-based solid electrolyte materials have several advantages over sulfide-based ones, such as their chemical stability and ease of handling. Conversely, the formation of a solid-solid interface with low resistance between the solid electrolyte and the electrode is another challenging issue in achieving better electrochemical performance in solid-state batteries with an oxide-based SE.
In this study, Ryoji Inada and his colleagues at the Department of Electrical and Electronic Information Engineering, Toyohashi University of Technology, developed a garnet-type, fast ionic conducting oxide as the solid electrolyte for an all-solid-state battery. Using the developed material, the rechargeable all-solid-state battery was fabricated and tested.
…
These results indicate that the developed LLBZTO garnet can be used as a solid electrolyte in an all-solid-state battery and contribute to the realization of a very safe rechargeable battery for large-scale power sources, even though additional investigation is needed in order to enhance the performance of solid-state batteries. The researchers carried out further study to realize solid-state batteries with high energy density.
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http://dx.doi.org/10.3389/fenrg.2016.00028[font size=4]Development of garnet-type fast ionic conducting oxide for application to all-solid-state lithium battery[/font]
[font size=3]Rechargeable all-solid-state lithium batteries are expected to be one of the next-generation energy storage devices because of their high energy density, safety, and excellent cycle stability. The materials used for the solid electrolyte must not only have a high lithium-ion conductivity above 1 mS/cm at room temperature, but also possess chemical stability.
Oxide-based solid electrolyte materials have several advantages over sulfide-based ones, such as their chemical stability and ease of handling. Conversely, the formation of a solid-solid interface with low resistance between the solid electrolyte and the electrode is another challenging issue in achieving better electrochemical performance in solid-state batteries with an oxide-based SE.
In this study, Ryoji Inada and his colleagues at the Department of Electrical and Electronic Information Engineering, Toyohashi University of Technology, developed a garnet-type, fast ionic conducting oxide as the solid electrolyte for an all-solid-state battery. Using the developed material, the rechargeable all-solid-state battery was fabricated and tested.
…
These results indicate that the developed LLBZTO garnet can be used as a solid electrolyte in an all-solid-state battery and contribute to the realization of a very safe rechargeable battery for large-scale power sources, even though additional investigation is needed in order to enhance the performance of solid-state batteries. The researchers carried out further study to realize solid-state batteries with high energy density.
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