Electrochromic device and method for producing electrochromic device
To provide an electrochromic device including: a support; a first electrode formed on the support; a second electrode facing the first electrode, where through-holes are formed in the second electrode; an electrochromic layer disposed in a space between the first electrode and the second electrode; a first electrolyte layer disposed in the space between the first electrode and the second electrode; a second electrolyte layer disposed to communicate with the first electrolyte layer through the through-holes; an inorganic protective layer, which is disposed on a surface of the second electrolyte layer not facing the second electrode, and is configured to shield oxygen and water vapor; and an organic protective layer disposed on a surface of the inorganic protective layer that does not face the second electrolyte layer.
1. An electrochromic device comprising:
a support;
a first electrode formed on the support;
a second electrode facing the first electrode, where through-holes are formed in the second electrode;
an electrochromic layer disposed in a space between the first electrode and the second electrode;
a first electrolyte layer disposed in the space between the first electrode and the second electrode;
a second electrolyte layer disposed to communicate with the first electrolyte layer through the through-holes;
an inorganic protective layer, which is disposed on a surface of the second electrolyte layer not facing the second electrode, and is configured to shield oxygen and water vapor; and
an organic protective layer disposed on a surface of the inorganic protective layer not facing the second electrolyte layer.
2. The electrochromic device according to claim 1 , wherein a surface of the inorganic protective layer facing the organic protective layer comprises at least an inorganic material.
3. The electrochromic device according to claim 1 , wherein the organic protective layer comprises an organic material.
4. The electrochromic device according to claim 1 , further comprising an antideterioration layer disposed on at least one of surfaces of the second electrode.
5. The electrochromic device according to claim 4 , wherein the antideterioration layer comprises at least one of conductive metal oxide particles and semiconductive metal oxide particles.
6. The electrochromic device according to claim 1 , wherein the electrochromic layer is formed by polymerizing a radical polymerizable compound having a triarylamine structure.
7. The electrochromic device according to claim 1 , wherein an electrolyte of the first electrolyte layer and an electrolyte of the second electrolyte layer each comprise inorganic material particles.
8. The electrochromic device according to claim 1 , wherein the first electrolyte layer comprises an insulating porous layer containing insulating metal oxide particles.
9. The electrochromic device according to claim 1 , wherein diameters of the through-holes in the second electrode are 10 nm or greater but 100 μm or smaller.
10. A method for producing an electrochromic device, the method comprising:
sequentially laminating a first electrode, an electrochromic layer, and an insulating porous layer on a support;
forming a second electrode, in which through-holes are formed, on the insulating porous layer to face the first electrode;
introducing an electrolyte solution into the insulating porous layer through the through-holes;
applying the electrolyte solution onto the second electrode;
solidifying the electrolyte solution;
forming an inorganic protective layer on the electrolyte solution solidified; and
forming an organic protective layer on the inorganic protective layer.