Electrical conducting polymer, solid electrolytic capacitor and manufacturing method thereof
AssigneeShowa Denko K.K.
InventorsHideki Ohata, Koro Shirane, Ryuji Monden, Atsushi Sakai
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Abstract
The present invention relates to a solid electrolytic capacitor comprising an electrode produced by forming a solid electrolytic layer comprised by a polymer having at least one repeating unit selected from a thiophene-diyl skeleton, an isothianaphthene-diyl skeleton, a pyrrole-diyl skeleton, a furan-diyl skeleton and an iminophenylene skeleton and having a fibril structure on a dielectric film layer of a porous valve-acting metal and its production method, and to a highly electroconductive polymer obtained by chemical oxidative polymerization of a monomer and an oxidizing agent at an interface and its production method.
Claims18
A highly electroconductive polymer having a macroscopically scaly and fibrillar structure, an electroconductivity of from about 0.1 to about 200 S/cm, an outer diameter in the range of about 3 nm to about 100 nm and comprising as a repeating unit a structure having a thiophene-diyl skeleton represented by the following general formula (1):
- (wherein the substituents R1 and R2 each independently represent a monovalent group selected from the group consisting of a hydrogen atom, a linear or branched, saturated or unsaturated alkyl, alkoxy or alkyl ester group having from 1 to 10 carbon atoms, a halogen atom, a nitro group, a cyano group, a primary, secondary or tertiary amino group, a CF3 group, a phenyl group and a substituted phenyl group or R1 and R2 may combine with each other at any position to form a divalent chain for forming a 3-, 4-, 5-, 6- or 7- membered saturated or unsaturated hydrocarbon cyclic structure together with the carbon atoms substituted by R1 and R2, wherein the cyclic structure may optionally contain a bond such as carbonyl, ether, ester, amide, sulfide, sulfinyl, sulfonyl and imino at any position, δ represents a number in the range of from 0 to 1, Z represents an anion, and j represents a valence of Z and is 1 or 2).
A highly electroconductive polymer having a macroscopically scaly and fibrillar structure, an electroconductivity of from about 0.1 to about 200 S/cm, an outer diameter in the range of about 3 nm to about 100 nm and comprising as a repeating unit a structure having a condensed polycyclic skeleton represented by the following general formula (2):
- (wherein the substituents of R3, R4, R5, R6, R7 and R8 each independently represent a monovalent group selected from the group consisting of a hydrogen atom, a linear or branched, saturated or unsaturated alkyl, alkoxy or alkyl ester group having from 1 to 10 carbon atoms, a halogen atom, a nitro group, a cyano group, a primary, secondary or tertiary amino group, a CF3 group, a phenyl group and a substituted phenyl group or R3, R4, R5, R6, R7 or R8 may combine with each other at any position to form a divalent chain for forming at least one 3-, 4-, 5-, 6- or 7- membered saturated or unsaturated hydrocarbon cyclic structure together with the carbon atoms substituted by R3, R4, R5, R6, R7 or R8, wherein the cyclic structure may optionally contain a bond such as carbonyl, ether, ester, amide, sulfide, sulfinyl, sulfonyl and imino at any position, k represents the number of condensed rings surrounded by the thiophene ring and the benzene ring having the substituents R3 to R6 and is 0 or an integer of from 1 to 3, the condensed ring in the formula may optionally contain nitrogen or N-oxide, m with the proviso that the substituents R3 to R8 are deducted by the number of nitrogen or N-oxide, δ represents a number in the range of from 0 to 1, Z represents an anion, and j represents a valence of Z and is 1 or 2).
A highly electroconductive polymer having a macroscopically scaly and fibrillar structure, an electroconductivity of from about 0.1 to about 200 S/cm, an outer diameter in the range of about 3 nm to about 100 nm and comprising as a repeating unit a structure having a pyrrole-diyl skeleton represented by the following general formula (3).
- (wherein R9 and R10 each independently represent a monovalent group selected from the group consisting of a hydrogen atom, a linear or branched, saturated or unsaturated alkyl, alkoxy or alkyl ester group having from 1 to 10 carbon atoms, a halogen atom, a nitro group, a cyano group, a primary, secondary or tertiary amino group, a CF3 group, a phenyl group and a substituted phenyl group, or R9 and R10 may combine with each other at any position to form a divalent chain for forming at least one 3-, 4-, 5-, 6- or 7-membered saturated or unsaturated hydrocarbon cyclic structure together with the carbon atoms substituted by R9 and R10, and the cyclic structure may optionally contain a bond such as carbonyl, ether, ester, amide, sulfide, sulfinyl, sulfonyl and imino at any position, δ represents a number in the range of from 0 to 1, Z represents an anion, and j represents a valence of Z and is 1 or 2).
A highly electroconductive polymer having a macroscopically scaly and fibrillar structure, an electroconductivity of from about 0.1 to about 200 S/cm, an outer diameter in the range of about 3 nm to about 100 nm and comprising as a repeating unit a structure having a furan-diyl skeleton represented by the following general formula (4):
- (wherein the substituents R11 and R12 each independently represent a monovalent group selected from the group consisting of a hydrogen atom, a linear or branched, saturated or unsaturated alkyl alkoxy or alkyl ester group having from 1 to 10 carbon atoms, a halogen atom, a nitro group, a cyano group, a primary, secondary or tertiary amino group, a CF3 group, a phenyl group and a substituted phenyl group, or R11 and R12 may combine with each other at any position to form a divalent chain for forming at least one 3-, 4-, 5-, 6- or 7-membered saturated or unsaturated hydrocarbon cyclic structure together with the carbon atoms substituted by R11 and R12, the cyclic structure may optionally contain a bond such as carbonyl, ether, ester, amide, sulfide, sulfinyl, sulfonyl and imino at any position, δ represents a number in the range of from 0 to 1, Z represents an anion, and j represents a valence of Z and is 1 or 2).
A highly electroconductive polymer having a macroscopically scaly and fibrillar structure, an electroconductivity of from about 0.1 to about 200 S/cm, an outer diameter in the range of about 3 nm to about 100 nm and comprising as a repeating unit a structure having an iminophenylene skeleton represented by the following general formula (5):
- (wherein the substituents R13, R14, R15 and R16 each independently represent a monovalent group selected from the group consisting of a hydrogen atom, a linear or branched, saturated or unsaturated alkyl, alkoxy or alkyl ester group having from 1 to 10 carbon atoms, a halogen atom, a nitro group, a cyano group, a primary, secondary or tertiary amino group, a CF3 group, a phenyl group and a substituted phenyl group, or R13, R14, R15 and R16 may combine with each other at any position to form a divalent chain for forming at least one 3-, 4-, 5-, 6- or 7-membered saturated or unsaturated hydrocarbon cyclic structure together with the carbon atoms substituted by R13, R14, R15 and R16, the cyclic structure may optionally contain a bond such as carbonyl, ether, ester, amide, sulfide, sulfinyl, sulfonyl and imino at any position, δ represents a number in the range of from 0 to 1, Z represents an anion, and j represents a valence of Z and is 1 or 2).
Dependencies are inferred from the claim text.