Patent · US Active

Nanoscale crystalline silicon powder

US8043593B2 · kind B2 · utility

0Cited by

13References

16Claims

0Family size

Assignee

EVONIK DEGUSSA GMBH · DE

Inventors

Markus Pridoehl · Großkrotzenburg, DE
Paul Roth · Cincinnati, US
Hartmut Wiggers · Reken, DE
Frank-Martin Petrat · Munster, DE
Michael Kraemer · Nidderau, DE

Key dates

Filing date	Apr 13, 2010
Grant date	Oct 25, 2011
Priority date	—
Expiry date	Apr 13, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2982
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

An aggregated crystalline silicon powder with a BET surface area of 20 to 150 m2/g is provided. The aggregated silicon powder may be doped with phosphorus, arsenic, antimony, bismuth, boron, aluminium, gallium, indium, thallium, europium, erbium, cerium, praseodymium, neodymium, samarium, gadolinium, terbium, dysprosium, holmium, thulium, lutetium, lithium, ytterbium, germanium, iron, ruthenium, osmium, cobalt, rhodium, iridium, nickel, palladium, platinum, copper, silver, gold, or zinc.

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