potentials, cells, elements potentials, cells, elements (inorganic) F 3000
-012Olivine LiCoPO 4 as 4.8 V Electrode Material for Lithium Batteries.-The title compound is synthesized from a stoichiometric mixture of Li 2 CO 3 , Co 3 O 4 , and (NH 4 ) 2 HPO 4 by slow calcination at 350 • C for 9 h and subsequent heat treatment at 750 • C (30 h). The compound adopts the olivine type structure.This structure contains chains of edge-sharing cobalt-centered octahedra connected to one another by phosphate tetrahedra. These (CoPO 4 ) − chains are interconnected by octahedrally coordinated lithium atoms. Reversible extraction and insertion of lithium from and into olivine LiCoPO 4 at 4.8 V vs. lithium make this material a good candidate for use in high-voltage lithium ion batteries. -(AMINE, K.; YASUDA, H.; YAMACHI, M.; Electrochem.
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