Method for the production of an all-solid battery

一种制作方法、固态电解质的技术，应用在二次电池制造、电池电极、二次电池等方向，能够解决难以制作全固态电池或微电池等问题

Active Publication Date: 2014-09-24
COMMISSARIAT A LENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] Therefore, it is difficult to fabricate all-solid-state batteries or microbatteries with both high energy storage capacity (thick electrodes) and operation at high power ratings (thin electrolyte)

Method used

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Examples

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Embodiment Construction

[0051] Several methods of making all-solid-state batteries or micro-batteries are shown below.

[0052] The first fabrication method may consist of a first step comprising the preparation of a substrate made of active material or capable of forming electrodes, which substrate is to be used as a support for an electrochemical cell for the fabrication of an all-solid-state battery. An electrochemical cell includes at least one anode and at least one cathode separated by an electrolyte. Part of the substrate will be used as an electrode of the electrochemical cell.

[0053] The substrate or support 10 is produced from an active material, ie so that at least one atom or ion can be inserted into the substrate 10 comprising said material and so that a part of the substrate can be used as an electrode. The structure of the substrate may be deformed to facilitate the insertion of ions or atoms. Atoms or ions can be of the following types: H, Li, Be, Mg, Na, K.

[0054] The substrat...

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Abstract

The invention relates to a battery production method comprising at least the following steps: production of at least one solid electrolyte film (20) against a substrate (10) of a material that can form an electrode; production of a first electrode (30) in contact with the electrolyte (20); and thinning of the substrate (10), such that at least one remaining portion of the substrate (10), which is in contact with the solid electrolyte film (20), forms a second electrode (12, 12').

Description

technical field [0001] The present invention relates to the field of solid-state electrolyte batteries, which are called all-solid-state batteries. The invention more particularly relates to the structure of such batteries and methods of making them. The invention can advantageously be used in the manufacture of batteries or microbatteries. Background technique [0002] The characteristic of an all-solid-state battery or microbattery in the sense understood in this document relates to the fact that it comprises at least one solid-state electrolyte interposed between two electrodes. Stacked in solid form, these three layers form an electrochemical cell. The electrochemical cell has a thickness of less than about 15 μm, for example, in the case of microbatteries, of the order of tens of microns. [0003] Electrochemical cells generate electricity when ions migrate between two electrodes, and more specifically, when ions migrate from the anode to the cathode. The electrolyt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/0562H01M10/0585
CPCH01M4/505H01M4/525H01M4/483H01M4/382H01M10/0525Y10T29/49115H01M10/04H01M10/0562H01M10/0585Y02E60/10Y02P70/50
Inventor 史蒂夫·马丁梅萨奥德·贝贾维西尔万·普莱柔海兹·罗裘
Owner COMMISSARIAT A LENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
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