The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 04, 2019

Filed:

May. 06, 2015
Applicant:

Johnson Matthey Public Limited Company, London, GB;

Inventors:

Nicolas Tran, Moosburg, DE;

Genovefa Wendrich, Bavaria, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/1393 (2010.01); H01M 4/136 (2010.01); C01B 25/37 (2006.01); C01B 25/45 (2006.01); H01M 4/36 (2006.01); H01M 4/58 (2010.01); H01M 4/62 (2006.01); H01M 4/04 (2006.01); H01M 4/133 (2010.01); H01M 4/1397 (2010.01); H01M 4/587 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/1393 (2013.01); C01B 25/37 (2013.01); C01B 25/372 (2013.01); C01B 25/375 (2013.01); C01B 25/377 (2013.01); C01B 25/45 (2013.01); H01M 4/04 (2013.01); H01M 4/133 (2013.01); H01M 4/136 (2013.01); H01M 4/1397 (2013.01); H01M 4/366 (2013.01); H01M 4/587 (2013.01); H01M 4/5825 (2013.01); H01M 4/625 (2013.01); H01M 10/0525 (2013.01); C01P 2006/40 (2013.01); H01M 2004/028 (2013.01);
Abstract

A process for the preparation of carbon-coated lithium transition metal phosphate having the formula LiMMnPOand its use as cathode material in secondary lithium-ion batteries wherein the process includes few synthesis steps which can be conducted easily, therefore providing a low cost process and results in a complete reaction of the starting material compounds or the mixtures thereof. At least one starting material compound is dispersed or dissolved in an essentially aqueous medium and heated to a temperature between 50° C. and 100° C. prior to addition of the remaining starting material compounds.


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