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Multi-color metal oxide electrochromic battery and preparation method and application thereof

An electrochromic and colored metal technology, applied in the field of optical technology and optoelectronic applications, can solve the problems of capacity decline, low coulombic efficiency, poor cycle performance, etc., and achieve the effect of small radiation influence, high capacity and broad application prospects.

Active Publication Date: 2020-12-22
SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the existing alkaline manganese oxide batteries will produce electrochemically irreversible substances during the cycle, resulting in a decrease in capacity, and the cycle performance is not good compared to other batteries. In addition, the coulombic efficiency is also low

Method used

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  • Multi-color metal oxide electrochromic battery and preparation method and application thereof
  • Multi-color metal oxide electrochromic battery and preparation method and application thereof
  • Multi-color metal oxide electrochromic battery and preparation method and application thereof

Examples

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preparation example Construction

[0088] In some embodiments, the preparation method includes: connecting the prepared multi-color manganese oxide electrochromic electrode with the metal zinc electrode with a zinc sulfate electrolyte to form a multi-color manganese oxide electrochromic battery.

[0089] In some embodiments, the preparation method of the multi-color metal oxide electrochromic electrode comprises:

[0090] By physical or chemical deposition methods, such as coating, printing, casting, etc., or magnetron sputtering, electron beam evaporation, thermal evaporation, electrochemical deposition, chemical vapor deposition, atomic force deposition, sol-gel technology, etc. to form the first An optical structure layer or a second optical structure layer, a medium layer, etc., and not limited thereto.

[0091] Further, the preparation method specifically includes:

[0092] provide a base;

[0093] By means of PVD deposition, the metal layer is first sputtered on the substrate, and then metal oxide diele...

Embodiment 1

[0109] A multi-color manganese oxide electrochromic battery disclosed in this embodiment includes a multi-color manganese oxide electrochromic electrode 4, a metal zinc electrode 6 and an electrolyte 5, which can be referred to figure 2 shown. Among them, the multi-color manganese oxide electrochromic electrode is composed of substrate 1, metal reflective layer 2, and dielectric layer manganese oxide 3, which can be referred to figure 1 shown.

[0110] The preparation method of the multi-color manganese oxide electrochromic battery of this embodiment is as follows: on a clean base glass, a metal Cu film is deposited by magnetron sputtering, wherein the thickness of the Cu film is set at 100 nm. Afterwards, a layer of MnO was sputtered on the surface of the film by magnetron sputtering. 2 film, where MnO 2 The film thickness was set at 180 nm. The multi-color manganese oxide electrochromic electrode and the metal zinc sheet are obtained to form a battery, and the electroly...

Embodiment 2

[0113] A multi-color manganese oxide electrochromic battery disclosed in this embodiment includes a multi-color manganese oxide electrochromic electrode 4, a metal zinc electrode 6 and an electrolyte 5, which can be referred to figure 2 shown. Among them, the multi-color manganese oxide electrochromic electrode is composed of substrate 1, metal reflective layer 2, and dielectric layer manganese oxide 3, which can be referred to figure 1 shown.

[0114]The preparation method of the multi-color manganese oxide electrochromic battery of this embodiment is as follows: on a clean substrate glass, a layer of metal W film is firstly deposited by magnetron sputtering, wherein the thickness of the W film is set at 100 nm. Afterwards, a layer of MnO was sputtered on the surface of the film by magnetron sputtering. 2 film, where MnO 2 The film thickness was set at 180 nm. The multi-color manganese oxide electrochromic electrode and the metal zinc sheet are obtained to form a battery...

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Abstract

The invention discloses a multi-color metal oxide electrochromic battery and a preparation method and application thereof. The multi-color metal oxide electrochromic battery comprises a working electrode, an electrolyte and a counter electrode, wherein the working electrode is a multi-color metal oxide electrochromic electrode and comprises a first optical structure layer and a second optical structure layer which are opposite to each other and arranged in parallel, a dielectric layer is arranged between the first optical structure layer and the second optical structure layer, the dielectric layer is composed of metal oxide, the bonding interface of the dielectric layer and the first optical structure layer and the bonding interface of the dielectric layer and the second optical structurelayer are the first surface and the second surface of the dielectric layer respectively, and the first surface and the second surface are matched with the dielectric layer to form an optical cavity. The multi-color metal oxide electrochromic battery provided by the invention shows different colors under different battery electric quantities; the multi-color metal oxide electrochromic electrode provided by the invention belongs to a structural color, is stable in color, is particularly slightly influenced by temperature, illumination and radiation, and does not age or lose color.

Description

technical field [0001] The invention relates to a preparation method of a multi-color electrochromic battery, in particular to a multi-color manganese oxide electrochromic battery, its preparation method, and its application, belonging to the fields of optical technology and photoelectric application. Background technique [0002] With the development and progress of modern science and technology, people's requirements for a better life are also increasing. Not only do they need to enrich their material life, but they also need to be satisfied with their spiritual life. Due to its low toxicity, environmental friendliness, low price, and high battery capacity, zinc-manganese oxide aqueous batteries have been greatly developed in recent years and are one of the batteries with great potential in the 21st century. Electrochromic devices change color under different voltages through electrochromic materials. The principle is that by applying different voltages externally, ions ar...

Claims

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Application Information

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IPC IPC(8): H01M4/24H01M4/28H01M10/28G02F1/155G02F1/157
CPCH01M4/24H01M4/28H01M10/28G02F1/155G02F1/157Y02E60/10Y02P70/50
Inventor 赵志刚唐雪晴丛杉
Owner SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI
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