JPWO2021055244A5

JPWO2021055244A5 -

Info

Publication number: JPWO2021055244A5
Application number: JP2022516763A
Authority: JP
Publication date: 2023-09-19

Claims

a first transparent film and a back plate;
a spacer between the first transparent film and the backplate, the spacer being disposed around the periphery of the first transparent film and defining a chamber between the first transparent film and the backplate; , the spacer;
a first array of a plurality of silver-carbon nanofiber yarns between the first transparent film and the backplate;
an electrolyte in the spacer between the first array and the first transparent film;
equipment, including.

2. The device of claim 1, wherein the electrolyte is a liquid electrochromic material or a solid electrochromic material .

3. The apparatus of claim 2 , wherein the liquid electrochromic material is cured into a solid electrochromic material by application of ultraviolet light.

2. The device of claim 1, wherein at least one of PEDOT:PSS, polypyrrole, and polyaniline coats the first array .

2. The apparatus of claim 1, further comprising a carbon nanofiber sheet coated with silver between the first array and the electrolyte.

2. The device of claim 1, wherein the electrolyte has at least a first electrochromic state and a second electrochromic state.

7. The device of claim 6 , wherein the electrolyte is bistable.

7. The device of claim 6 , wherein the transition between the first electrochromic state and the second electrochromic state is a reversible process.

7. The device of claim 6 , configured to transition between the first electrochromic state and the second electrochromic state by applying a current to the electrolyte.

5. The electrolyte is configured to transition from the first electrochromic state to the second electrochromic state via application of a voltage between −3 volts and −2.5 volts to the electrolyte. 6. The device according to 6 .

11. A device according to claim 9 or 10 , wherein the electrolyte is configured to return from the second electrochromic state to the first electrochromic state via application of a voltage of 0.5 volts to the electrolyte .

assembling the apparatus of claim 1;
injecting an electrolyte in a liquid state into a chamber formed by the first transparent film, the spacer , and the backplate;
curing the electrolyte by application of ultraviolet light and converting the electrolyte from the liquid state to the solid state;
including methods.

13. The method of claim 12 , further comprising transitioning the electrolyte between at least a first electrochromic state and a second electrochromic state by applying a voltage to the first array .

14. The method of claim 13 , wherein the electrolyte is bistable.

14. The method of claim 13 , wherein transitioning between the first electrochromic state and the second electrochromic state is a reversible process.

14. The method of claim 13 , wherein the electrolyte is configured to transition between the first electrochromic state and the second electrochromic state by varying a voltage applied to the electrolyte .

assembling the apparatus of claim 1;
coating the first array with at least one of PEDOT:PSS, polypyrrole, and polyaniline;
applying a voltage to the first array to transition between a first electrochromic state and a second electrochromic state;
including methods.

maintaining said application of said voltage for a period of at least 5 minutes;
ceasing the application of the voltage after the period;
maintaining said second electrochromic state for at least 10 minutes without further application of voltage;
18. The method of claim 17 , further comprising:

The apparatus of claim 1, wherein the backplate is a second transparent film.

20. The apparatus of claim 19, further comprising a second array of a plurality of silver-carbon nanofiber yarns, said second array disposed within said chamber between said first array and a second transparent film.

21. The apparatus of claim 20, wherein the second array is coated with indium tin oxide (ITO).

22. The device of claim 21, wherein the electrolyte has a first electrochromic state, a second electrochromic state, and a third electrochromic state.

The electrolyte is transformed from a) the first electrochromic state to the second electrochromic state via the application of a voltage between -3 volts and -2.5 volts to the electrolyte; or b) to the electrochromic state. from said second electrochromic state to said first electrochromic state via the application of a voltage between 0 and 0.5 volts to said electrolyte; or c) between 2.5 and 3 volts to said electrolyte. 23. The device of claim 22, configured to transition from the first electrochromic state to the third electrochromic state via application of a voltage.