Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 20, Issue 25, Pages 5167-5173Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b925553b
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Funding
- Royal Society
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Garnets are capable of accommodating an excess of lithium cations beyond that normally found in this prototypical structure. This excess lithium is found in a mixture of coordination environments with considerable positional and occupational disorder and leads to ionic conductivity of up to 4 x 10(-4) S cm(-1) at room temperature. This high value for total conductivity, combined with excellent thermal and (electro)chemical resistance makes these candidate materials for operation in all solid-state batteries. This review looks at garnets with a wide range of stoichiometries and lithium concentrations and the impact of complex lithium distributions and crystallographic order/disorder transitions on the transport properties of these materials.
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