US 12,322,808 B2
Conductive agent, electrode including the conductive agent, and secondary battery including the electrode
Tae Gon Kim, Daejeon (KR); Sin Young Park, Daejeon (KR); Bo Ram Lee, Daejeon (KR); Seul Ki Kim, Daejeon (KR); Tae Gu Yoo, Daejeon (KR); and Min Kwak, Daejeon (KR)
Assigned to LG Energy Solution, Ltd., Seoul (KR)
Appl. No. 17/604,577
Filed by LG Energy Solution, Ltd., Seoul (KR)
PCT Filed May 12, 2020, PCT No. PCT/KR2020/006230
§ 371(c)(1), (2) Date Oct. 18, 2021,
PCT Pub. No. WO2020/231150, PCT Pub. Date Nov. 19, 2020.
Claims priority of application No. 10-2019-0056920 (KR), filed on May 15, 2019.
Prior Publication US 2022/0200005 A1, Jun. 23, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H01M 4/62 (2006.01)
CPC H01M 4/625 (2013.01) 12 Claims
OG exemplary drawing
 
1. An electrode comprising:
a conductive agent comprising a first particle and a second particle,
wherein the first particle comprises a secondary particle structure in which graphene sheets are connected to each other,
the first particle comprises a plurality of graphene sheets arranged in different directions,
the second particle is a carbon nanotube,
wherein a weight ratio of the first particles to the second particle ranges from 2:8 to 5:5, and
wherein the plurality of graphene sheets have a lateral size of 10 nm to 200 nm.