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Preparation method of solid electrolyte, solid electrolyte, preparation method of total battery and total battery

A solid electrolyte and electrolyte technology, applied in the direction of electrolyte immobilization/gelation, secondary batteries, circuits, etc., can solve the problems of limitations, low ionic conductivity, etc., achieve cheap raw materials, simple preparation process, and suppress dendrites The effect of formation and growth

Inactive Publication Date: 2020-10-09
HARBIN INSTITUTE OF TECHNOLOGY SHENZHEN (INSTITUTE OF SCIENCE AND TECHNOLOGY INNOVATION HARBIN INSTITUTE OF TECHNOLOGY SHENZHEN)
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Problems solved by technology

However, the current research on solid-state electrolytes is still in its infancy, and the high interfacial resistance and low ionic conductivity limit its commercial development.

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  • Preparation method of solid electrolyte, solid electrolyte, preparation method of total battery and total battery
  • Preparation method of solid electrolyte, solid electrolyte, preparation method of total battery and total battery
  • Preparation method of solid electrolyte, solid electrolyte, preparation method of total battery and total battery

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Embodiment Construction

[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved by the embodiments of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0026] It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element. In addition, the connection can be used for both fixing function and circuit communication function.

[0027] It is to be understood that the terms "length", "width", "top", "bottom", "front"...

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Abstract

The invention provides a preparation method of a solid electrolyte, the solid electrolyte, a preparation method of a total battery and the total battery. The preparation method of the solid electrolyte comprises the steps of: S1, preparing M-X type porous zeolite powder, wherein M represents alkali metal or alkaline-earth metal; S2, mixing and grinding the M-X type porous zeolite powder and corresponding ionic liquid of M metal, and drying to obtain M-X type porous zeolite electrolyte powder; and S3, pressing the M-X type porous zeolite electrolyte powder into a solid electrolyte. According tothe solid electrolyte disclosed by the invention, the ionic liquid can be adsorbed in the micropores by utilizing the porous framework, meanwhile, due to the fact that cation bonds in a zeolite framework are weak, effective shuttling of metal cations can be achieved, a dual ion transmission path of ionic liquid and a zeolite framework is constructed, ion conduction of the material is improved, and therefore formation and growth of dendrites are inhibited.

Description

technical field [0001] The invention relates to the technical field of solid electrolytes, in particular to a method for preparing a solid electrolyte, a solid electrolyte, a method for preparing a full battery, and a full battery. Background technique [0002] In recent years, with the continuous advancement of science and technology, lithium-ion rechargeable secondary batteries have become important energy storage devices for portable electronic products, electric vehicles, and grid-level energy storage. thermal runaway can occur, resulting in fire and explosion. Therefore, in order to meet the higher energy storage demand and safety in the future, solid-state electrolytes came into being. [0003] Compared with liquid electrolytes, solid-state electrolytes have higher safety and energy density, and can effectively improve the metal lithium dendrite problem in lithium-ion batteries. However, the current research on solid-state electrolytes is still in its infancy, and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/0562H01M10/0525
CPCH01M10/0525H01M10/0562H01M2300/0085Y02E60/10
Inventor 武俊伟丁志玉刘彦辰姚鹏辉李乐园余浩斌陈雅芬张阳
Owner HARBIN INSTITUTE OF TECHNOLOGY SHENZHEN (INSTITUTE OF SCIENCE AND TECHNOLOGY INNOVATION HARBIN INSTITUTE OF TECHNOLOGY SHENZHEN)
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