Flexible solid-state battery and preparation method thereof

A technology of solid-state batteries and solid-state electrolyte membranes, applied in the field of solar energy

Inactive Publication Date: 2018-12-25
HANERGY MOBILE ENERGY HLDG GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The preparation method of the flexible solid-state battery and the flexible solid-state battery provided by the present application are to solve the conductivity problem of the solid-solid interface in the prior art and the problems of tensile strength, torsional strength and foldability of the battery in the prior art

Method used

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  • Flexible solid-state battery and preparation method thereof
  • Flexible solid-state battery and preparation method thereof
  • Flexible solid-state battery and preparation method thereof

Examples

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Embodiment 1

[0054] Such as figure 1 , which shows a flow chart of a method for preparing a 5-layer ultra-thin flexible solid-state battery provided in Embodiment 1 of the present application. This flowchart reflects the basic idea of ​​the subsequent embodiments. The flowchart also reflects the preparation method of this ultra-thin flexible solid-state battery.

[0055] The preparation method of the ultra-thin flexible solid-state battery provided by the present application will be described and illustrated in detail below through specific examples.

[0056] Such as figure 1 As shown, the preparation method of the ultra-thin flexible solid-state battery is as follows:

[0057] Step S101, coating and / or spraying the positive electrode material on the positive electrode current collector to obtain a flexible solid-state battery positive electrode;

[0058]The positive electrode of the flexible solid-state battery includes a positive electrode current collector and a positive electrode m...

Embodiment 2

[0083] Such as figure 2 As shown, it shows the flow chart of another 3-layer ultra-thin flexible solid-state battery preparation method provided in Example 2 of the present application. This flowchart also reflects the basic idea of ​​the subsequent embodiments. The flowchart also reflects the preparation method of this ultra-thin flexible solid-state battery.

[0084] The preparation method of another ultra-thin flexible solid-state battery provided by the present application is introduced and illustrated through specific examples below.

[0085] Such as figure 2 As shown, the preparation method of the additional ultra-thin flexible solid-state battery is as follows:

[0086] Step S201, coating and / or spraying the positive electrode material on the composite aluminum-plastic film;

[0087] In this embodiment, the positive electrode material is polysulfide material. In this step, the polysulfide, the conductive agent, and the binder are prepared in proportion to form a ...

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Abstract

The invention discloses a preparation method of a flexible solid-state battery, comprising the following steps: providing a positive electrode of the flexible solid-state battery; providing a negativeelectrode of the flexible solid-state battery; drying the positive electrode of the flexible solid-state battery and the negative electrode of the flexible solid-state battery; preparing a ultra-thinflexible solid electrolyte membrane by chemical vapor deposition; placing a first encapsulation film, the positive electrode of the flexible solid-state battery, the ultra-thin flexible solid-state electrolyte membrane, the negative electrode of the flexible solid-state battery, and a second encapsulation film sequentially to form a first laminated structure, and encapsulating the laminated structure. The flexible solid-state battery prepared by the method has certain tensile lightness and torsional strength, good electronic insulation and ion conductivity, and can be conveniently combined with wearable products, thereby overcoming the shortcomings that the traditional liquid electrolyte system lithium ion battery cannot meet the above requirements.

Description

technical field [0001] The present application relates to the technical field of solar energy, in particular to a flexible solid-state battery and a preparation method thereof. Background technique [0002] The practical application of batteries in our lives is playing an increasingly important role, including consumer electronics, electric vehicles, large, medium and small energy storage systems, etc., and their power supplies are all types of batteries, among which the rapidly developing lithium Mainly ion batteries. However, the current commercial lithium-ion batteries have gradually failed to meet the needs of rapid product development, such as higher energy density, longer cycle life, and safer and cheaper. At the same time, with people's pursuit of individuality and self-expression, as well as the popularity of smart mobile devices such as intelligence and networking, smart wearables are favored, such as smart bracelets, glasses, watches, shoes and hats, etc., while ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/058H01M10/0562H01M10/0565
CPCH01M10/0562H01M10/0565H01M10/058H01M2300/0065Y02E60/10Y02P70/50
Inventor 刘曙光王恋任国敏刘丹
Owner HANERGY MOBILE ENERGY HLDG GRP CO LTD
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