Solid electrolyte and preparation method thereof, battery and terminal

A technology of solid electrolyte and mass fraction, applied in the direction of non-aqueous electrolyte batteries, solid electrolytes, non-aqueous electrolytes, etc., can solve the problems of poor battery conductivity and low ionic conductivity, achieve increased concentration, simple process, and promote metal The effect of ion transport

Pending Publication Date: 2022-02-18
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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Problems solved by technology

However, the ionic conductivity of the existing solid electrolyte is low, and the conductivity of the battery made of it is poor

Method used

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  • Solid electrolyte and preparation method thereof, battery and terminal

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Embodiment Construction

[0028] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.

[0029] The terminology used in the present disclosure is for the purpose of describing particular embodiments only, and is not intended to limit the present disclosure. Unless otherwise defined, the technical terms or scientific terms used in the present disclosure shall have the usual meanings understood by those skilled in the art to which the present disclosure belongs. "First", "s...

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Abstract

The invention provides a solid electrolyte and a preparation method thereof, a battery and a terminal. The method comprises the following steps: metal vanadate carbonate and a metal salt reagent are mixed , the obtained mixture is heated to melt the metal salt reagent, and metal cations are dissociated from the molten reagent to obtain the metal vanadate carbonate. The dissociated metal cations and metal cations on the surfaces of metal vanadate carbonate crystal lattices are subjected to replacement or become interstitial ions, after the mixture obtained after heating treatment is subjected to cooling treatment, the solid electrolyte is prepared through the mixture obtained after cooling treatment, through the replacement process, the concentration of metal cations in the solid electrolyte is increased, metal ion transmission through vacancies on the surface of metal vanadate carbonate crystal lattices is promoted, and the ionic conductivity and other electrochemical properties of the solid electrolyte are improved. Meanwhile, the new scheme has the characteristics of simple process and the like, and can be used for large-scale production.

Description

technical field [0001] The present disclosure relates to the technical field of shell manufacturing, and in particular to a solid electrolyte, a preparation method thereof, a battery, and a terminal. Background technique [0002] Some batteries use organic liquid electrolytes. However, organic liquid electrolytes are volatile and will burn or explode when heated or meet certain conditions. There is also a risk of leakage of organic liquid electrolytes. Therefore, it is safe to use batteries made of organic liquid electrolytes. Hidden danger. [0003] In order to solve the above technical problems, solid electrolytes are used in the related art to make batteries. However, the ionic conductivity of the existing solid electrolyte is low, and the conductivity of the battery made from it is poor. Contents of the invention [0004] The present disclosure provides an improved solid electrolyte, a preparation method thereof, a battery, and a terminal. [0005] One aspect of the...

Claims

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Application Information

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IPC IPC(8): H01M10/0562H01M10/052H01M10/0525H01M10/054
CPCH01M10/0562H01M10/052H01M10/0525H01M10/054H01M2220/30H01M2300/0068Y02E60/10
Inventor 袁相霏
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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