US 12,347,865 B2
Carbon material, cathode and anode for power storage device with the same, and power storage device with the same
Hirotomo Nishihara, Miyagi (JP); Zheng-Ze Pan, Miyagi (JP); Takuma Kuroda, Miyagi (JP); and Atsuo Omaru, Miyagi (JP)
Assigned to 3DC INC., Sendai (JP)
Appl. No. 18/294,844
Filed by 3DC Inc., Miyagi (JP)
PCT Filed Jul. 25, 2023, PCT No. PCT/JP2023/027285
§ 371(c)(1), (2) Date Feb. 2, 2024,
PCT Pub. No. WO2024/048142, PCT Pub. Date Mar. 7, 2024.
Claims priority of application No. 2022-137188 (JP), filed on Aug. 30, 2022.
Prior Publication US 2024/0274825 A1, Aug. 15, 2024
Int. Cl. H01M 4/62 (2006.01); C01B 32/182 (2017.01)
CPC H01M 4/625 (2013.01) [C01B 32/182 (2017.08); C01P 2006/12 (2013.01); C01P 2006/14 (2013.01); C01P 2006/16 (2013.01); C01P 2006/40 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A carbon material having a graphene framework consisting of a plurality of graphene sheets and a three-dimensional porous structure,
wherein the carbon material has a bulk modulus K that is less than or equal to 2 GPa, and
wherein the three-dimensional porous structure comprises at least one carbon layer and an average number of stacking layers n calculated by equation (2) is greater than one and six or less:

OG Complex Work Unit Math
wherein S denotes a specific surface area of the carbon material, Sgraphene denotes a graphene theoretical specific surface area (2627 m2/g), Sedge denotes an edge site specific surface area, and Sbasal denotes a basal specific surface area.