	US 11,811,064 B2
	Dry milling additive and process
Jack Treger, Quincy, MA (US)
Assigned to CAMX Power LLC, Lexington, MA (US)
Appl. No. 17/261,940
Filed by CAMX Power, LLC, Lexington, MA (US)
PCT Filed Jul. 24, 2018, PCT No. PCT/US2018/043370 § 371(c)(1), (2) Date Jan. 21, 2021, PCT Pub. No. WO2020/023017, PCT Pub. Date Jan. 30, 2020.
Prior Publication US 2021/0167390 A1, Jun. 3, 2021
Int. Cl. H01M 4/62 (2006.01); H01M 4/485 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/58 (2010.01); B02C 17/20 (2006.01)

CPC H01M 4/622 (2013.01) [B02C 17/20 (2013.01); H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/5825 (2013.01)]

14 Claims

1. A process of dry milling a chemical, the process comprising:

adding a rosin or rosin derivative to a milling vessel in the absence of a particulate chemical, and milling the rosin or rosin derivative for a pre-milling time,

after said pre-milling time, combining in the milling vessel the particulate chemical with the rosin or the rosin derivative to form a milling mixture, wherein the particulate chemical is an electrochemically active precursor,

milling the milling mixture for a milling time to form a milled product, whereby the milling process is in the absence of added liquid,

wherein the milled product is suitable for use as an electrochemically active material in an electrochemical cell.