Correlated Li-ion migration in the superionic conductor Li10GeP2S12
| Autor: | Takashi Ohhara, Ryoji Kanno, Rui Iwasaki, Zenji Hiroi, Koji Munakata, Takeshi Yajima, Satoshi Hori, Akiko Nakao, Yoyo Hinuma |
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| Rok vydání: | 2021 |
| Předmět: |
Battery (electricity)
Materials science Renewable Energy Sustainability and the Environment Neutron diffraction 02 engineering and technology General Chemistry Electrolyte Conductivity 010402 general chemistry 021001 nanoscience & nanotechnology Thermal conduction 01 natural sciences 0104 chemical sciences Ion Conductor Chemical physics Fast ion conductor General Materials Science 0210 nano-technology |
| Zdroj: | Journal of Materials Chemistry A. 9:11278-11284 |
| ISSN: | 2050-7496 2050-7488 |
| DOI: | 10.1039/d1ta00552a |
| Popis: | An all-solid-state Li-ion secondary battery is a promising device that provides a solution to existing energy problems. However, it remains far from practical application mainly because of the lack of our basic understanding of the conduction mechanism of Li ions in Li-rich superionic conductors used as solid electrolytes in place of liquid electrolytes for conventional batteries. Herein, we studied the crystalline compound Li10GeP2S12 with the largest Li-ion conductivity thus far via a novel route based on a combination of single-crystal neutron diffraction experiments at low temperature and first-principles calculations, and found that a correlated migration of the densely packed Li ions governs the overall Li-ion conduction. The correlated migration mechanism provides us with guidelines on how to design efficient superionic conductors for more efficient batteries. |
| Databáze: | OpenAIRE |
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