Lithium metal phosphates, their production and use as electrode materials

Lithium metal phosphates, their production and use as electrode materials

Production of a compound of formula LiMPO 4 (where M is a metal of the first transition series) comprises producing a precursor mixture containing at least one Li +> source, at least one M +> source and at least one PO 4 3-> source to obtain a precipitate and produce a precursor suspension,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: EISGRUBER, MAX, WIMMER, LUCIA, NUSPL, GERHARD
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
CHEMISTRY
COMPOUNDS THEREOF
ELECTRICITY
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:Production of a compound of formula LiMPO 4 (where M is a metal of the first transition series) comprises producing a precursor mixture containing at least one Li +> source, at least one M +> source and at least one PO 4 3-> source to obtain a precipitate and produce a precursor suspension, treating the precursor mixture and/or precursor suspension by dispersing or grinding until the D90 value of the particles in the precursor suspension is less than 50 mu m, and extracting the LiMPO 4 from the suspension, preferably under hydrothermal conditions.