US 12,272,823 B2
Polymer binder additives for electrodes
Lixin Wang, Belmont, MA (US); Chloe Harrison, Billerica, MA (US); and Derek C. Johnson, Fort Collins, CO (US)
Assigned to A123 SYSTEMS LLC, Novi, MI (US)
Appl. No. 17/269,949
Filed by A123 Systems LLC, Novi, MI (US)
PCT Filed Aug. 28, 2019, PCT No. PCT/US2019/048648
§ 371(c)(1), (2) Date Feb. 19, 2021,
PCT Pub. No. WO2020/047153, PCT Pub. Date Mar. 5, 2020.
Claims priority of provisional application 62/726,139, filed on Aug. 31, 2018.
Prior Publication US 2021/0202948 A1, Jul. 1, 2021
Int. Cl. H01M 4/62 (2006.01); H01M 4/04 (2006.01); H01M 10/0525 (2010.01)
CPC H01M 4/621 (2013.01) [H01M 4/0404 (2013.01); H01M 10/0525 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An electrode, comprising:
a current collector; and
an electrode coating layer, the electrode coating layer comprising an electrode active material and a binder, wherein
the binder comprises an aromatic polyamide-based compound, wherein the aromatic polyamide-based compound comprises poly-p-benzamide, and
the binder is present at greater than 0 wt % and less than or equal to 30 wt % of the electrode coating layer.