Tunable photovoltaic electrochromic device and module

1. A tunable photovoltaic electrochromic device at least comprising:

a transparent substrate;

a thin film solar cell located on the transparent substrate and at least having an anode layer, a cathode layer, and a photoelectric conversion layer between the anode layer and the cathode layer;

a first transparent conductive layer located on the transparent substrate beside the thin film solar cell, wherein the first transparent conductive layer and the thin film solar cell are not mutually contacted;

an electrochromic material at least covering an exposed surface of the first transparent conductive layer and the thin film solar cell; and

a first switching apparatus electrically connected to the first transparent conductive layer and electrically connected to the anode layer and the cathode layer of the thin film solar cell, wherein the first switching apparatus enters a control mode through at least one switch control signal.

2. The tunable photovoltaic electrochromic device as recited in claim 1 , wherein the electrochromic material is a solution type electrochromic material.

3. The tunable photovoltaic electrochromic device as recited in claim 1 , the electrochromic material comprising:

a first electrochromic thin film located on the first transparent conductive layer; and

a gel electrolyte or a solid electrolyte, covering the first electrochromic thin film and the thin film solar cell.

4. The tunable photovoltaic electrochromic device as recited in claim 1 , the anode layer of the thin film solar cell having an exposed surface, the tunable photovoltaic electrochromic device further comprising:

a first insulation layer located on the exposed surface of the anode layer,

the first transparent conductive layer being located on the first insulation layer.

5. The tunable photovoltaic electrochromic device as recited in claim 4 , wherein the electrochromic material is a solution type electrochromic material.

6. The tunable photovoltaic electrochromic device as recited in claim 4 , the electrochromic material comprising:

a first electrochromic thin film located on the first transparent conductive layer; and

a gel electrolyte or a solid electrolyte, covering the first electrochromic thin film and the thin film solar cell.

7. The tunable photovoltaic electrochromic device as recited in claim 1 , further comprising:

a second insulation layer located on the cathode layer of the thin film solar cell;

a second transparent conductive layer located on the second insulation layer; and

a second switching apparatus electrically connected to the second transparent conductive layer and electrically connected to the anode layer and the cathode layer of the thin film solar cell, wherein the second switching apparatus enters the control mode through the at least one switch control signal.

8. The tunable photovoltaic electrochromic device as recited in claim 7 , wherein the electrochromic material is a solution type electrochromic material.

9. The tunable photovoltaic electrochromic device as recited in claim 7 , the electrochromic material comprising:

a first electrochromic thin film located on the first transparent conductive layer; and

a gel electrolyte or a solid electrolyte, covering the first electrochromic thin film and the thin film solar cell.

10. The tunable photovoltaic electrochromic device as recited in claim 7 , the electrochromic material comprising:

a second electrochromic thin film located on the second transparent conductive layer; and

a gel electrolyte or a solid electrolyte, covering the second electrochromic thin film and the first transparent conductive layer.

11. The tunable photovoltaic electrochromic device as recited in claim 7 , further comprising an ion storage layer located on the second transparent conductive layer.

12. The tunable photovoltaic electrochromic device as recited in claim 7 , further comprising a second charge-discharge device coupled to the second switching apparatus to store current received from the thin film solar cell and/or provide power to the second transparent conductive layer.

13. The tunable photovoltaic electrochromic device as recited in claim 1 , further comprising a first charge-discharge device coupled to the first switching apparatus to store current received from the thin film solar cell and/or provide power to the first transparent conductive layer.

14. The tunable photovoltaic electrochromic device as recited in claim 1 , further comprising a photoresistor thin film located on a surface of the cathode layer.

15. The tunable photovoltaic electrochromic device as recited in claim 1 , further comprising at least one external loop impedance capable of tuning an impedance value, the at least one external loop impedance being coupled to the anode layer and the cathode layer of the thin film solar cell.

16. A tunable photovoltaic electrochromic module at least comprising:

a transparent substrate;

a plurality of thin film solar cells located on the transparent substrate, each of the thin film solar cells at least having an anode layer, a cathode layer, and a photoelectric conversion layer between the anode layer and the cathode layer, wherein one of the anode layer and the cathode layer has an exposed surface exposed between the thin film solar cells;

a plurality of first transparent conductive layers respectively located on the exposed surface;

a plurality of first insulation layers respectively located between the exposed surface and each of the first transparent conductive layers;

a plurality of electrochromic materials respectively covering an exposed surface of at least one of the first transparent conductive layers and at least one of the thin film solar cells; and

at least one first switching apparatus electrically connected to one of the first transparent conductive layers under one of the electrochromic materials and electrically connected to the anode layer and the cathode layer of one of the thin film solar cells under the one of the same electrochromic materials, wherein the at least one first switching apparatus enters a control mode through at least one switch control signal.

17. The tunable photovoltaic electrochromic module as recited in claim 16 , wherein the thin film solar cells are connected in series.

18. The tunable photovoltaic electrochromic module as recited in claim 16 , wherein

the anode layer located below the one of the first transparent conductive layers under the one of the electrochromic materials and the anode layer of the one of the thin film solar cells under the one of the same electrochromic materials are not connected, and

the at least one first switching apparatus is electrically connected to the one of the first transparent conductive layers under the one of the electrochromic materials and electrically connected to the anode layer and the cathode layer of the one of the thin film solar cells under the one of the same electrochromic materials.

19. The tunable photovoltaic electrochromic module as recited in claim 16 , wherein the at least one first switching device is a single first switching device electrically connected to each of the first transparent conductive layers under one of the electrochromic materials and electrically connected to the anode layer and the cathode layer of each of the thin film solar cells under the one of the same electrochromic materials, and the tunable photovoltaic electrochromic module further comprises:

a single first charge-discharge device coupled to the single first switching apparatus to store current received from the thin film solar cells and/or provide power to the first transparent conductive layers; and

a plurality of external loop impedances capable of tuning impedance values, the external loop impedances being coupled to the cathode layer of each of the thin film solar cells, the first transparent conductive layers, and the first charge-discharge device to individually control a color changing degree of each of the electrochromic materials.

20. The tunable photovoltaic electrochromic module as recited in claim 16 , wherein each of the electrochromic materials is a solution type electrochromic material.

21. The tunable photovoltaic electrochromic module as recited in claim 16 , wherein each of the electrochromic materials comprising:

a first electrochromic thin film located on the exposed surface of each of the first transparent conductive layers; and

a gel electrolyte or a solid electrolyte, covering the first electrochromic thin film and the thin film solar cell.

22. The tunable photovoltaic electrochromic module as recited in claim 16 , further comprising at least one first charge-discharge device coupled to the at least one first switching apparatus to store current received from the thin film solar cells and/or provide power to the first transparent conductive layers.

23. The tunable photovoltaic electrochromic module as recited in claim 16 , further comprising a photoresistor thin film located on a surface of the cathode layer.

24. The tunable photovoltaic electrochromic module as recited in claim 16 , further comprising at least one set of external loop impedance capable of tuning an impedance value, the at least one set of external loop impedance being coupled to at least one of the anode layers and at least one of the cathode layers of the thin film solar cells, so as to individually control a color changing degree of each of the electrochromic materials.

25. The tunable photovoltaic electrochromic module as recited in claim 24 , the at least one set of external loop impedance capable of tuning the impedance value comprising a plurality of common anode variable impedances, one end of each of the common anode variable impedances being coupled to the anode layer of one of the thin film solar cells, the other end of each of the common anode variable impedances being coupled to the cathode layer of each of the thin film solar cells.

26. The tunable photovoltaic electrochromic module as recited in claim 24 , the at least one set of external loop impedance capable of tuning the impedance value comprising a plurality of common cathode variable impedances, one end of each of the common cathode variable impedances being coupled to the cathode layer of one of the thin film solar cells, the other end of each of the common cathode variable impedances being coupled to the anode layer of each of the thin film solar cells.

27. The tunable photovoltaic electrochromic module as recited in claim 24 , the at least one set of external loop impedance capable of tuning the impedance value comprising a plurality of common serially connected variable impedances, one end of each of the common serially connected variable impedances being coupled to the anode layer of one of the thin film solar cells, the other end of each of the common serially connected variable impedances being coupled to the cathode layer of another one of the thin film solar cells.

28. The tunable photovoltaic electrochromic module as recited in claim 24 , the at least one set of external loop impedance capable of tuning the impedance value comprising a head-to-tail connected variable impedance coupled to the anode layer of the thin film solar cell at one edge and the cathode layer of the thin film solar cell at another edge.

29. The tunable photovoltaic electrochromic module as recited in claim 16 , wherein when the anode layer has the exposed surface, the tunable photovoltaic electro chromic module further comprises:

a plurality of second insulation layers located on the cathode layers of the thin film solar cells;

a plurality of second transparent conductive layers located on the second insulation layers; and

at least one second switching apparatus electrically connected to one of the second transparent conductive layers and electrically connected to the anode layer and the cathode layer of one of the thin film solar cells, the at least one second switching apparatus entering the control mode through the at least one switch control signal.

30. The tunable photovoltaic electrochromic module as recited in claim 29 , wherein the thin film solar cells are connected in series.

31. The tunable photovoltaic electrochromic module as recited in claim 29 , wherein

the anode layer located below the one of the first transparent conductive layers under the one of the electrochromic materials and the anode layer of the one of the thin film solar cells under the one of same the electrochromic materials are not connected, and

the at least one second switching apparatus is electrically connected to the one of the second transparent conductive layers under the one of the electrochromic materials and electrically connected to the anode layer and the cathode layer of the one of the thin film solar cells under the one of the same electrochromic materials.

32. The tunable photovoltaic electrochromic module as recited in claim 29 , wherein the at least one second switching device is a single second switching device electrically connected to each of the second transparent conductive layers under one of the electrochromic materials and electrically connected to the anode layer and the cathode layer of one of the thin film solar cells under the one of the same electrochromic materials, and the tunable photovoltaic electrochromic module further comprises:

a single second charge-discharge device coupled to the at least one second switching apparatus to store current received from the thin film solar cells and/or provide power to the second transparent conductive layers; and

a plurality of external loop impedances capable of tuning impedance values, the external loop impedances being coupled to the cathode layer of each of the thin film solar cells, the second transparent conductive layers, and the second charge-discharge device to individually control a color changing degree of each of the electrochromic materials.

33. The tunable photovoltaic electrochromic module as recited in claim 29 , wherein each of the electrochromic materials is a solution type electrochromic material.

34. The tunable photovoltaic electrochromic module as recited in claim 29 , wherein each of the electrochromic materials comprising:

a first electrochromic thin film located on the exposed surface of each of the first transparent conductive layers; and

a gel electrolyte or a solid electrolyte, covering the first electrochromic thin film and the thin film solar cell.

35. The tunable photovoltaic electrochromic module as recited in claim 29 , wherein each of the electrochromic materials comprising:

a second electrochromic thin film located on an exposed surface of each of the second transparent conductive layers; and

a gel electrolyte or a solid electrolyte, covering the second electrochromic thin film and the first transparent conductive layer.

36. The tunable photovoltaic electrochromic module as recited in claim 29 , further comprising at least one first charge-discharge device coupled to the at least one first switching apparatus to store current received from the thin film solar cells and/or provide power to the first transparent conductive layers.

37. The tunable photovoltaic electrochromic module as recited in claim 29 , further comprising an ion storage layer located on the second transparent conductive layer.

38. The tunable photovoltaic electrochromic module as recited in claim 29 , further comprising at least one second charge-discharge device coupled to the at least one second switching apparatus to store current received from the thin film solar cells and/or provide power to the second transparent conductive layers.

39. The tunable photovoltaic electrochromic module as recited in claim 29 , further comprising a photoresistor thin film located on a surface of each of the cathode layers.

40. The tunable photovoltaic electrochromic module as recited in claim 29 , further comprising at least one set of external loop impedance capable of tuning an impedance value, the at least one set of external loop impedance being coupled to at least one of the anode layers and at least one of the cathode layers of the thin film solar cells, so as to individually control a color changing degree of each of the electrochromic materials.

41. The tunable photovoltaic electrochromic module as recited in claim 40 , the at least one set of external loop impedance capable of tuning the impedance value comprising a plurality of common anode variable impedances, one end of each of the common anode variable impedances being coupled to the anode layer of one of the thin film solar cells, the other end of each of the common anode variable impedances being coupled to the cathode layer of each of the thin film solar cells.

42. The tunable photovoltaic electrochromic module as recited in claim 40 , the at least one set of external loop impedance capable of tuning the impedance value comprising a plurality of common cathode variable impedances, one end of each of the common cathode variable impedances being coupled to the cathode layer of one of the thin film solar cells, the other end of each of the common cathode variable impedances being coupled to the anode layer of each of the thin film solar cells.

43. The tunable photovoltaic electrochromic module as recited in claim 40 , the at least one set of external loop impedance capable of tuning the impedance value comprising a plurality of common serially connected variable impedances, one end of each of the common serially connected variable impedances being coupled to the anode layer of one of the thin film solar cells, the other end of each of the common serially connected variable impedances being coupled to the cathode layer of another one of the thin film solar cells.

44. The tunable photovoltaic electrochromic module as recited in claim 40 , the at least one set of external loop impedance capable of tuning the impedance value comprising a head-to-tail connected variable impedance coupled to the anode layer of the thin film solar cell at one edge and the cathode layer of the thin film solar cell at another edge.