Back to results
US 2025/0029979 A1Published application
Silicon-based anode material for lithium ion battery
AssigneeUnifrax I LLC
InventorsBruce K. Zoitos, Adam Kelsall, Jonathan Cross, Chad Cannan
Life of this patent
Estimating the term…
Abstract
A porous reduced silica fiber material has a diameter of about 0.1 to about 20 microns and a surface area of about 5 m2/g to about 400 m2/g. The porous reduced fiber material may be used to form an electrode having a high capacity and improved cycle life over comparable commercial silicon electrodes.
Claims18
A battery comprising:
- an anode comprising a porous reduced silica fiber comprising SiOx where x=0-2 and silicon, the porous reduced silica fiber having a diameter of about 0.1 to about 20microns, a surface area of about 5 m2/g to about 400 m2/g, and a porosity of about 0.01 cm3/g to about 1.5 cm3/g;
- and
- a cathode comprising a mixed metal oxide.
Dependencies are inferred from the claim text.