Electrode for energy storage devices and electrochemical supercapacitor based on said electrode
First Claim
1. An electrode comprising an electrically conductive substrate, a layer of energy accumulating redox polymer deposited onto the substrate, the redox polymer comprising a polymer metal complex with a substituted tetra-dentate Schiff'"'"'s base selected from the group:
- poly-[Me(R, R′
-Schiff-Y)],wherein Me is a transition metal;
Y is a bridge group binding the atoms of Nitrogen in the Schiff base;
R is an electron-donating substituent comprising a functional group (X)O—
, —
COO(X), where (X) is an alkali metal selected from the group consisting of Li and Na;
R′
is Hydrogen or Halogen; and
whereinthe polymer metal complex has the following structure;
with n selected from the range from 2 to 50000.
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Accused Products
Abstract
An electrode comprises an electrically conductive substrate, a layer of energy accumulating redox polymer deposited onto the substrate, the redox polymer comprising a polymer metal complex with a substituted tetra-dentate Schiff'"'"'s base selected from the group: poly-[Me(R, R′-Schiff-Y)], wherein Me is a transition metal; Y is a bridge group binding the atoms of Nitrogen in the Schiff'"'"'s base; R is an electron-donating substituent comprising a functional group (X)O—, —COO(X), where (X) is an alkali metal; R′ is Hydrogen or Halogen; and wherein the polymer metal complex has the following structure:
The electrochemical capacitor comprises a case housing the above-described positive electrode and a negative electrode disposed inside the case, and an electrolyte filling the space between the electrodes.
26 Citations
36 Claims
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1. An electrode comprising an electrically conductive substrate, a layer of energy accumulating redox polymer deposited onto the substrate, the redox polymer comprising a polymer metal complex with a substituted tetra-dentate Schiff'"'"'s base selected from the group:
- poly-[Me(R, R′
-Schiff-Y)],wherein Me is a transition metal; Y is a bridge group binding the atoms of Nitrogen in the Schiff base; R is an electron-donating substituent comprising a functional group (X)O—
, —
COO(X), where (X) is an alkali metal selected from the group consisting of Li and Na;R′
is Hydrogen or Halogen; and
whereinthe polymer metal complex has the following structure; with n selected from the range from 2 to 50000. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
- poly-[Me(R, R′
-
10. An electrochemical capacitor comprising a case housing a positive electrode and a negative electrode disposed inside the case, and an electrolyte filling the space between the electrodes, wherein the positive electrode comprises an electrically conductive substrate, a layer of energy accumulating redox polymer deposited onto the substrate, the redox polymer comprising a polymer metal complex with a substituted tetra-dentate Schiff'"'"'s base selected from the group:
- poly-[Me(R, R′
-Schiff-Y)],wherein Me is a transition metal; Y is a bridge group binding the atoms of Nitrogen in the Schiff base; R is an electron-donating substituent comprising a functional group (X)O—
, —
COO(X), where (X) is an alkali metal selected from the group consisting of Li and Na;R′
is Hydrogen or Halogen; and
whereinthe polymer metal complex has the following structure; with n selected from the range from 2 to 50000. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
with n selected from the range from 2 to 50000.
- poly-[Me(R, R′
-
29. The capacitor according to claim 28, wherein the group Schiff-Y of the said redox polymer of the negative electrode is Salen, which is a residue of bis(salicylaldehyde)-ethylenediamine.
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30. The capacitor according to claim 28, wherein the group Schiff-Y of the said redox polymer of the negative electrode is Saltmen, which is a residue of bis(salicylaldehyde)-tetramethylethylenediamine.
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31. The capacitor according to claim 28, wherein the group Schiff-Y of the said redox polymer of the negative electrode is Salphen, which is a residue of bis(salicylaldehyde)-phenylenediamine.
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32. The capacitor according to claim 28, wherein the transition metal of the said redox polymer of the negative electrode is selected from the group consisting of Ni, Pd, Co, Cu, and Fe.
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33. The capacitor according to claim 28, wherein the said conductive substrate of the negative electrode is made of carbon fiber and has a complex relief surface.
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34. The capacitor according to claim 28, wherein the said conductive substrate of the negative electrode is made of carbon and has a metal coating.
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35. The capacitor according to claim 28, wherein the said conductive substrate of the negative electrode is made of metal and has a complex relief surface.
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36. The capacitor according to claim 28, wherein the said conductive substrate of the negative electrode is made of a polymer with electronic conduction made as a film, porous structure or foam.
Specification