US 12,437,935 B2
Solid electrolytic capacitor containing oxygen-containing amine without hydroxy group and method for manufacturing same
Yosuke Nozawa, Ina (JP); and Yoshishige Sakurai, Ina (JP)
Assigned to RUBYCON CORPORATION, Ina (JP)
Appl. No. 18/287,703
Filed by RUBYCON CORPORATION, Ina (JP)
PCT Filed May 11, 2022, PCT No. PCT/JP2022/019891
§ 371(c)(1), (2) Date Oct. 20, 2023,
PCT Pub. No. WO2022/255045, PCT Pub. Date Dec. 8, 2022.
Claims priority of application No. 2021-092218 (JP), filed on Jun. 1, 2021.
Prior Publication US 2024/0186073 A1, Jun. 6, 2024
Int. Cl. H01G 9/028 (2006.01); H01G 9/035 (2006.01); H01G 9/145 (2006.01); H01G 9/15 (2006.01)
CPC H01G 9/028 (2013.01) [H01G 9/035 (2013.01); H01G 9/145 (2013.01); H01G 9/15 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A solid electrolytic capacitor comprising:
an anode foil having a dielectric layer formed thereon;
a cathode foil; and
a solid electrolyte and an electrolytic solution in a gap between the anode foil and the cathode foil,
wherein the electrolytic solution contains a solvent and a solute,
the solute contains an acid component and a basic component and
the basic component contains an amine represented by the general formula (1)
[Chem. 1]
NR1(3-m)(—(R2O)n—R3)m  (1)
wherein in the formula, R1 represents hydrogen or an alkyl group, R2 represents an alkylene group, R3 represents an alkyl group,
n represents an integer of 1 to 100, wherein R2's may be the same or different when n is 2 or more, and
m represents an integer of 1 to 3, wherein R1's may be the same or different when m is 1, and when m is 2 or 3, R2's may be the same or different, n's may be the same or different, and R3's may be the same or different.