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Copper oxide photoelectrode and novel solar iron-air battery thereof

A photoelectrode, copper oxide technology, applied in solar cells, photovoltaic power generation, electrical components, etc., can solve the problems of high price, limited development, scarcity of raw material resources, etc., to achieve the effect of increasing the discharge voltage and solving the energy crisis

Pending Publication Date: 2021-06-04
LIAONING UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the electrodes of lithium-ion batteries have disadvantages such as safety issues, high price, and scarcity of raw material resources, which limit their further development.

Method used

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  • Copper oxide photoelectrode and novel solar iron-air battery thereof
  • Copper oxide photoelectrode and novel solar iron-air battery thereof
  • Copper oxide photoelectrode and novel solar iron-air battery thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment 1 copper oxide photoelectrode

[0020] The preparation method is as follows:

[0021] 1) Preparation of cuprous oxide film: Prepare 100 mL of a mixed solution of 0.1M copper sulfate and 3M lactic acid, and use 10M sodium hydroxide to make the pH of the mixed solution reach 10. Under the bias voltage of -0.3V vs. Ag / AgCl, electrodeposit at 60°C for 10 minutes to obtain cuprous oxide thin films.

[0022] 2) Preparation of copper oxide photoelectrode: put cuprous oxide in a muffle furnace and calcinate at 500° C. for 3 hours. The resulting product was cooled to room temperature, washed with water, and dried to obtain a copper oxide photoelectrode.

Embodiment 2

[0023] Embodiment 2 Novel solar iron-air battery

[0024] The copper oxide photoelectrode prepared in Example 1 was used as the cathode; the iron sheet was used as the anode, and 0.5M ferric sulfate solution was used as the electrolyte to obtain a new type of solar iron-air battery.

Embodiment 3

[0025] Embodiment 3 performance test

[0026] 1) Electron microscope scanning

[0027] The copper oxide photoelectrode obtained in Example 1 was scanned by an electron microscope, and the morphology of the copper oxide photoelectrode was characterized by scanning the electron microscope. Such as figure 1 As shown, the copper oxide photoelectrode prepared by step 2) of the embodiment has a bulk structure.

[0028] 2) XRD test

[0029] The copper oxide photoelectrode was characterized, and the results are as follows figure 2 shown. Depend on figure 2 As shown, the copper oxide photoelectrode has six diffraction peaks at 2θ=32.5°, 35.5°, 38.9°, 58.2°, 61.5°, 65.78°, and 68.1°, which correspond to the copper oxide copper oxide (JCPDS-No. 45-0937) (-110), (002), (-202), (-113), (022) and (-220) diffraction planes.

[0030] 3) Ultraviolet-visible diffuse reflectance spectroscopy detection

[0031] The ultraviolet-visible diffuse reflectance test was carried out on the copp...

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Abstract

The invention relates to a copper oxide photoelectrode and a novel solar iron-air battery. A preparation method of the copper oxide photoelectrode comprises the following steps: preparing a mixed solution of 0.1 M copper acetate and 3M lactic acid, and adjusting the pH value of the mixed solution with 10M sodium hydroxide; carrying out electro-deposition by taking FTO as a working electrode and a copper sheet as a counter electrode to obtain a cuprous oxide film; calcining the cuprous oxide film in a muffle furnace; and cooling the obtained product to room temperature, washing with water, and drying to obtain the copper oxide photoelectrode. A copper oxide photoelectrode and a pure iron sheet are used as electrodes, a ferric sulfate solution is used as an electrolyte, and the discharge voltage of the iron-air battery can be improved by directly utilizing sunlight illumination.

Description

technical field [0001] The invention relates to the technical field of a photoelectrode and an air battery thereof, in particular to a copper oxide photoelectrode and a novel solar iron-air battery thereof. Background technique [0002] The continuous consumption of fossil fuels has caused a series of environmental pollution problems and the shortage of traditional energy resources. Therefore, the development and utilization of abundant and clean renewable energy is an urgent problem to be solved at present. At present, metal-air batteries have become a research hotspot as an efficient and clean energy conversion device. And the lithium-ion battery is currently the most successful energy device, which has been widely used in various fields. However, the electrodes of lithium-ion batteries have disadvantages such as safety issues, high price, and scarcity of raw material resources, which limit their further development. Iron is a very common material in life and the fourth...

Claims

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Application Information

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IPC IPC(8): H01M14/00H01G9/20
CPCH01M14/005H01G9/2022Y02E10/542
Inventor 张宇钱炳志卜德刚兰亚林宋溪明
Owner LIAONING UNIVERSITY
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