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Room temperature lithium superionic conductivity in high entropy oxides

2016; Royal Society of Chemistry; Volume: 4; Issue: 24 Linguagem: Inglês

10.1039/c6ta03249d

2050-7488

David Bérardan, Sylvain Franger, Abhishek Meena, Nita Dragoe,

Inorganic Chemistry and Materials

Impedance spectroscopy measurements evidence superionic Li + mobility (>10 −3 S cm −1 ) at room temperature and fast ionic mobility for Na + (5 × 10 −6 S cm −1 ) in high entropy oxides, a new family of oxide-based materials with the general formula (MgCoNiCuZn) 1−x−y Ga y A x O (with A = Li, Na, K).