Journal
ADVANCED FUNCTIONAL MATERIALS
Volume 24, Issue 16, Pages 2267-2279Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201303147
Keywords
rechargeable batteries; complex hydrides; ionic conductors
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Funding
- Target Project of Advanced Institute for Materials Research (WPI-AIMR)
- Integrated Materials Research Center for a Low-Carbon Society (LC-IMR)
- Tohoku University
- JSPS KAKENHI [25220911]
- Advanced Low Carbon Technology Research and Development Program (ALCA) from Japan Science and Technology Agency (JST)
- Grants-in-Aid for Scientific Research [25630437] Funding Source: KAKEN
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Complex hydrides have energy storage-related functions such as i) solid-state hydrogen storage, ii) electrochemical Li storage, and iii) fast Li- and Na-ionic conductions. Here, recent progress on the development of fast Li-ionic conductors based on the complex hydrides is reported. The validity of using them as electrolytes in all-solid-state lithium rechargeable batteries is also examined. Not only coated oxides but also bare sulfides are found to be applicable as positive electrode active materials. Results related to fast Na-ionic conductivity in the complex hydrides are presented. In the last section, the future prospects for battery assemblies with high-energy densities, and Mg ion batteries with the liquid and the solid-state electrolytes are discussed.
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