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Issue 25, 2010
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Structure and ionic conductivity in lithium garnets

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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 × 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.

Graphical abstract: Structure and ionic conductivity in lithium garnets

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Publication details

The article was received on 04 Dec 2009, accepted on 01 Feb 2010 and first published on 01 Mar 2010

Article type: Highlight
DOI: 10.1039/B925553B
Citation: J. Mater. Chem., 2010,20, 5167-5173
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    Structure and ionic conductivity in lithium garnets

    E. J. Cussen, J. Mater. Chem., 2010, 20, 5167
    DOI: 10.1039/B925553B

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