Bus stop using large-scale perovskite solar cell

Patent metadata

Field	Value
Publication number	US-2021065991-A1
Application number	US-202016995218-A
Country	US
Kind code	A1
Filing date	Aug 17, 2020
Priority date	Sep 3, 2019
Publication date	Mar 4, 2021
Grant date	—

Abstract

Disclosed is a bus stop using a large-scale perovskite solar cell in which a perovskite solar cell is prepared using a hybrid structure including a graphene-carbon nanotube. The bus stop includes a body unit fixed to the ground to maintain the overall shape, a solar cell unit for producing electrical energy from sunlight, and an energy storage system (ESS) for storing the electrical energy produced by the solar cell part.

First claim

What is claimed is:

1 . A bus stop using a large-scale perovskite solar cell comprising:
a body unit fixed to the ground to maintain the overall shape; a solar cell unit for producing electrical energy from sunlight; and an energy storage system (ESS) for storing the electrical energy produced by the solar cell part.

2 . The bus stop using the large-scale perovskite solar cell of claim 1 , wherein the body unit comprises
a fine dust sensor unit for visually expressing an air quality condition by measuring ultra-fine dust contained in the air; and an lighting unit that emits light using the electrical energy stored in the energy storage system.

3 . The bus stop using the large-scale perovskite solar cell of claim 2 , wherein the fine dust sensor unit comprises
a measurement unit for measuring the ultra-fine dust contained in the air; and a color changing unit for visualizing a color change according to an ultra-fine dust measurement value measured by the measurement unit.

4 . The bus stop using the large-scale perovskite solar cell of claim 3 , wherein the color changing unit changes the color into the following cover colors according to the ultra-fine dust concentration shown in [Table 1] below:

TABLE 1

Ultra-fine dust concentration (μg/m 3 )
Cover color

 0 to 15
Blue

16 to 30
Green

31 to 50
Yellow

51 to 75
Orange

76 or more
Red.

5 . The bus stop using the large-scale perovskite solar cell of claim 1 , wherein the solar cell unit comprises
a frame installed on one side of the body unit; a perovskite solar cell fixed to the frame and formed in a large scale; and a glass positioned on the front and rear surfaces of the perovskite solar cell.

6 . The bus stop using the large-scale perovskite solar cell of claim 5 , wherein the perovskite solar cell comprises
a substrate (glass); an electrode layer laminated on the substrate and including a FTO (Fluorine doped Tin Oxide); a light absorbing layer laminated on the electrode layer; a perovskite layer laminated on the light absorbing layer and including a perovskite compound; and a graphene-carbon nanotube hybrid structure laminated on the perovskite layer.

7 . The bus stop using the large-scale perovskite solar cell of claim 6 , wherein the hybrid structure is formed by laminating a second graphene coated with a polymer on an upper surface of a first graphene coated with a carbon nanotube.

8 . The bus stop using the large-scale perovskite solar cell of claim 1 , wherein the energy storage system comprises
a power conversion system (PCS) for converting the electrical energy produced by the solar cell unit; an energy storage unit for storing the electrical energy converted by the power conversion system; and an energy management system (EMS) for controlling and managing the power conversion system and the energy storage unit.

9 . The bus stop using the large-scale perovskite solar cell of claim 8 , wherein the power conversion system comprises
a connection unit to be coupled with the solar cell unit; an inverter that converts and outputs the electrical energy produced from the solar cell unit to be transferred through the connection unit to AC power; and a power output unit that receives the AC power converted by the inverter and converts and outputs the AC power into DC power.

10 . The bus stop using the large-scale perovskite solar cell of claim 8 , wherein the energy storage unit comprises
a battery for storing the DC power converted by the power conversion system; and a battery management system (BMS) for sensing, managing, and controlling the state of the battery.

11 . The bus stop using the large-scale perovskite solar cell of claim 1 , wherein the bus stop further comprises
a bench unit that is able to be cooled or heated using the electrical energy stored in the energy storage system; and a human body sensor unit for sensing the human body to supply power according to the presence or absence of the sensed human body.

12 . The bus stop using the large-scale perovskite solar cell of claim 11 , wherein the bench unit comprises
a bench body unit formed in a longitudinal direction of the body unit; a bench support unit for supporting both side surfaces of the bench body unit; and a cooling/heating unit having a plurality of frames for cooling and heating the upper surface of the bench body unit.

13 . The bus stop using the large-scale perovskite solar cell of claim 11 , wherein the human body sensor unit is located in the lighting unit and the bench unit, and
senses a human body approaching the bus stop through infrared rays to supply the power to the lighting unit and the bench unit.

Assignees

• Nat Univ Pusan Ind Univ Coop Found

Inventors

• Jin Sung Ho
• Yoon Jinhwan
• Shin Heon Cheol
• Kim Yang Do
• Oh Jin Woo
• Ahn Sung Il
• Yoo Hyun Deog
• Lee Hyung Woo
• Kim Mi Ra

Classifications

• H10K85/50

  Organic perovskites; Hybrid organic-inorganic perovskites [HOIP], e.g. CH3NH3PbI3 · CPC title

• H10K39/10

  Organic photovoltaic [PV] modules; Arrays of single organic PV cells · CPC title

• H10K30/151

  the wide bandgap semiconductor comprising titanium oxide, e.g. TiO2 · CPC title

• H01G9/2022 Primary

  characterized by he counter electrode · CPC title

• F21S9/03 Primary

  rechargeable by exposure to light · CPC title