US Patent 7722787 - Metal vanadium oxide nanoparticles

http://www.freepatentsonline.com/7722787.html

This patent from Greatbatch Ltd. has relatively early priority (2/5/1999) and includes some basic claims to metal vanadium oxide nanoparticles used in forming the anodes of lithium ion batteries. Claim 1 reads:

1. A collection of particles comprising metal vanadium oxide, the particles having an average diameter less than about 1 micron and wherein less than about 1 particle in 1,000,000 has a diameter greater than about four times the average diameter of the collection of particles.