Crystalline ion-conducting nanomaterial and method for the production thereof

US8053075B2 · kind B2 · utility

Assignee

• SUED-CHEMIE AG · DE

Inventors

• Norbert Schall · Langenpreising, DE
• Gerhard Nuspl · Munich, DE
• Christian Vogler · Blaustein, DE
• Lucia Wimmer · Landshut, DE
• Max Eisgruber · Bruckberg, DE

Key dates

• Filing date: Mar 9, 2006
• Grant date: Nov 8, 2011
• Expiry date: Dec 21, 2027

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2982
• WIPO field: Electrical machinery, apparatus, energy
• WIPO sector: Electrical engineering

Abstract

The invention relates to a crystalline ion-conducting material made of LiMPO4 nanoparticles, wherein M is selected from Cr, Mn, Co, Fe and Ni, in addition to mixtures thereof and the nanoparticles have an essentially flat prismatic shape. The invention also relates to a method for producing said type of crystalline ion-conducting material which consists of the following steps: a precursor component is produced in a solution front a lithium compound of a component containing metal ions M and a phosphate compound, the precursor compound is subsequently precipitated from the solution and, optionally, a suspension of the precursor compound is formed, the precursor compound and/or the suspension is dispersed and/or ground, and the precursor compound and/or the suspension is converted under hydrothermal conditions and subsequently, the crystalline material is extracted.