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US 10,895,794 B2Granted
Electrochromic device having a patterned electrode free of indium tin oxide (ITO)
AssigneesNanyang Technological University, Yissum Research Development Company of the Hebrew University of Jerusalem
InventorsShlomo Magdassi, Pooi See Lee, Alexander Kamyshny, Daniel Mandler, Peter Darmawan, Michael Layani
Life of this patent
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Abstract
A method of manufacturing an electrochromic device is provided. The method includes providing a patterned arrangement of an electrically conductive material; and applying one or more layers of an electrochromic material to the patterned arrangement, wherein at least a portion of the electrochromic material is in electrical contact with the electrically conductive material. An electrochromic device and an electrochromic ink composition are also provided.
Claims16
A method of manufacturing an electrochromic device, the method comprising
- a) providing a transparent electrode, wherein the transparent electrode is formed of lines of an electrically conductive material surrounding one or more of two-dimensional voids of various shapes, wherein the electrically conductive material is free of ITO and wherein the one or more of two-dimensional voids of various shapes do not contain an electrically conductive material, wherein one or more layers of an electrochromic material is applied to the transparent electrode, wherein at least a portion of the electrochromic material is in direct contact with the lines of the electrically conductive material of the transparent electrode, and wherein the lines of the electrically conductive material of the transparent electrode overlap with about 5% to about 15% by area of the electrochromic material;
- b) providing a counter-electrode;
- and
- c) providing an electrolyte, wherein the electrolyte is arranged to ionically connect the transparent electrode comprising the at least a portion of the electrochromic material in direct contact with the lines of the electrically conductive material and the counter-electrode.
1 more element
A method of manufacturing an electrochromic device, the method comprising
- a) providing a transparent electrode, wherein the transparent electrode is formed of lines of an electrically conductive material surrounding one or more of two-dimensional voids of various shapes, wherein the electrically conductive material is free of ITO and wherein the one or more of two-dimensional voids of various shapes do not contain an electrically conductive material, wherein providing the transparent electrode comprises applying a dispersion comprising the electrically conductive material to a template arranged on a substrate, and forming the lines of the electrically conductive material on the substrate by self-assembly,
- wherein one or more layers of an electrochromic material is applied to the transparent electrode, wherein at least a portion of the electrochromic material is in direct contact with the lines of the electrically conductive material of the transparent electrode, and wherein the lines of the electrically conductive material of the transparent electrode overlap with about 5% to about 15% by area of the electrochromic material;
- b) providing a counter-electrode;
- and
- c) providing an electrolyte, wherein the electrolyte is arranged to ionically connect the transparent electrode comprising the at least a portion of the electrochromic material in direct contact with the lines of the electrically conductive material and the counter-electrode.
2 more elements
An electrochromic device comprising
- a) a transparent electrode formed of (i) lines of an electrically conductive material surrounding one or more of two-dimensional voids of various shapes, wherein the electrically conductive material is free of ITO and wherein the one or more of two-dimensional voids of various shapes do not contain an electrically conductive material, wherein the lines of the electrically conductive material are formed on a substrate by self-assembly of a dispersion comprising the electrically conductive material applied to a template arranged on the substrate, and (ii) one or more layers of an electrochromic material, wherein at least a portion of the electrochromic material is in direct contact with the lines of the electrically conductive material of the transparent electrode, and wherein the lines of the electrically conductive material of the transparent electrode overlap with about 5% to about 15% by area of the electrochromic material;
- b) a counter-electrode;
- and
- c) an electrolyte, wherein the electrolyte is arranged to ionically connect the transparent electrode comprising the at least a portion of the electrochromic material in direct contact with the lines of the electrically conductive material and the counter-electrode.
1 more element
Dependencies are inferred from the claim text.