Patent · US Active

Powder NiaMbOx(OH)γcompounds, processes for making the same, and uses thereof in batteries

US8545794B2 · kind B2 · utility

0Cited by

5References

20Claims

0Family size

Assignee

H.C. STARCK INC. · US

Inventors

Matthias Jahn · Goslar, DE
Gerd Malkowske · Goslar, DE
Stefan Malcus · Goslar, DE
Juliane Meese-Marktscheffel · Goslar, DE
Armin Olbrich · Seesen, DE
Rüdiger Zertani · Goslar, DE

Key dates

Filing date	Sep 2, 2008
Grant date	Oct 1, 2013
Priority date	—
Expiry date	Dec 27, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2982
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to a powder compound of the formula NiaMbOx(OH)y, wherein M represents Co and at least one element selected from the group consisting of Fe, Zn, Al, Sr, Mg, or Ca and mixtures thereof, or M represents Co Mn and Fe, wherein 0.6≦a<1.0, 0<b≦0.4, 0<x≦0.60, and 1.4≦y<2, wherein the powder compound has a particle size distribution d50 value, measured in accordance with ASTM B 822, of <5 μm, and wherein a ratio of tap density, measured in accordance with ASTM B 527, to the particle size distribution d50 value is at least 0.4 g/cm3. The invention also relates to a process for preparing the compound and its uses.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.