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Sintering aid mixture, solid-state ion conductor, and method for producing solid-state ion conductors

A technology of sintering aids and ion conductors, which is used in the manufacture of solid ion conductors, electrode materials, and solid ion conductors for solid-state batteries. Sintering activity, the effect of large compression

Pending Publication Date: 2022-02-18
SCHOTT AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, their disadvantage is that they are not oxide based in most cases
Furthermore, known sintering aids are often volatile and form undesired gases during decomposition
The sintering process can also be more difficult to control

Method used

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  • Sintering aid mixture, solid-state ion conductor, and method for producing solid-state ion conductors
  • Sintering aid mixture, solid-state ion conductor, and method for producing solid-state ion conductors
  • Sintering aid mixture, solid-state ion conductor, and method for producing solid-state ion conductors

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Experimental program
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Effect test

Embodiment Construction

[0044] Manufacture of Reference Samples Without Addition of Sintering Aid Mixtures According to Embodiments of the Invention

[0045] Hereinafter, a composition of the materials GK-LLZO and SG-LLZO will be first described as a material. They are then pressed into a sintered body and the sintered body is sintered.

[0046] Synthesis of glass ceramic LLZO (GK-LLZO)

[0047] The synthesis of GK-LLZO takes place by means of a melting method, as described, for example, in DE 10 2014 100 684 B4, which is hereby incorporated by reference. Here, the oxides of metal cations are melted together and homogenized in a skull crucible. Here, the solidified shell crucible consists of a vertical metal tube cooled with water. The reactants are mixed in a crucible and the mixture is preheated by means of a burner to achieve sufficient electrical conductivity. Further heating is performed by irradiating high frequency energy through an induction coil. A layer of solidified melt forms on th...

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Abstract

A sintering aid mixture for sintering solid-state ion conductors, electrode materials, or the like for solid-state batteries is provided. The mixture includes at least one sol-gel precursor and / or at least one sol-gel direct precursor produced from at least one sol-gel precursor.

Description

technical field [0001] The present invention relates to a sintering aid mixture for sintering solid-state ion conductors, electrode materials, etc. for solid-state batteries. [0002] The invention also relates to a solid-state ionic conductor. [0003] The invention also relates to a method for manufacturing solid-state ionic conductors, electrode materials, etc. for solid-state batteries. [0004] The present invention also relates to the use of a sintering aid mixture to reduce the sintering temperature when sintering solid-state ionic conductors, electrode materials, etc. for solid-state batteries. Background technique [0005] Although applicable to any solid state battery in general, the invention will be explained with reference to a solid state lithium battery. [0006] Solid-state lithium batteries are based on the conduction of charge carriers in the form of lithium ions by means of solid-state electrolytes. For example, the provision of lithium ions can be achi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/64C04B35/48C04B35/462C04B35/447H01M4/62H01M10/0562
CPCC04B35/64C04B35/48C04B35/447C04B35/462H01M10/0562H01M4/624C04B2235/3203C04B2235/3227C04B2235/3248C04B2235/3217C04B2235/3232H01M10/052H01M2300/0068H01M2300/0091C01G25/006C01B25/45C04B35/486C04B2235/5463C04B2235/5472C04B2235/441C04B2235/36C04B2235/3222C04B35/624C04B35/6325Y02E60/10C04B35/44H01M2300/0071
Inventor J·舒马赫M·孔泽H-J·施密特P·特莱斯M·施耐德A·罗特斯J·德鲁克
Owner SCHOTT AG