US Patent 8114937 - Improved conductivity carbon black

http://www.freepatentsonline.com/8114937.html


This patent from Denka Singapore Private Limited teaches a way to achieve greater electrical conductivity with less carbon using a nanostructured form of carbon black for applications in fuel cells and batteries. Claim 1 reads:

1. A carbon black comprising a chain body which comprises (1) a region of spherical carbon particles and (2) a region of rod-shaped carbon particles, the region (1) and the region (2) being connected.