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.
Patent No.:
Date of Patent:
May. 12, 2015
Filed:
Jul. 23, 2008
Matthias Jahn, Goslar, DE;
Gerd Maikowske, Goslar, DE;
Stefan Malcus, Goslar, DE;
Juliane Meese-marktscheffel, Goslar, DE;
Armin Olbrich, Seesen, DE;
Rüdiger Zertani, Goslar, DE;
Matthias Jahn, Goslar, DE;
Gerd Maikowske, Goslar, DE;
Stefan Malcus, Goslar, DE;
Juliane Meese-Marktscheffel, Goslar, DE;
Armin Olbrich, Seesen, DE;
Rüdiger Zertani, Goslar, DE;
H.C. Starck GmbH, , DE;
Abstract
The invention is directed to a pulverulent compound of the formula NiM1M2O(OH)where M1 is at least one element selected from the group consisting of Fe, Co, Zn, Cu and mixtures thereof, M2 is at least one element selected from the group consisting of Mn, Al, Cr, B, Mg, Ca, Sr, Ba, Si and mixtures thereof, 0.3≦a≦0.83, 0.1≦b≦0.5, 0.01≦c≦0.5, 0.01≦x≦0.99 and 1.01≦y≦1.99, wherein the ratio of tapped density measured in accordance with ASTM B 527 to the D50 of the particle size distribution measured in accordance with ASTM B 822 is at least 0.2 g/cm·μm. The invention is also directed to a method for the production of the pulverulent compound and the use as a precursor material for producing lithium compounds for use in lithium secondary batteries.