Preparation method of solid-state lithium battery

Preparation method of solid-state lithium battery

The invention discloses a preparation method of a solid-state lithium battery, which specifically comprises the following steps of: evaporating a current collector metal source on a substrate film layer to form a current collector layer in a first evaporation mechanism through a continuous vacuum ev...

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Hauptverfasser: LI AO, SUN RUNGUANG, TANG HAO, FAN KAIBO, TAN LONG, ZHAO WEIYUAN
Format: Patent
Sprache:chi ; eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator LI AO
SUN RUNGUANG
TANG HAO
FAN KAIBO
TAN LONG
ZHAO WEIYUAN
description The invention discloses a preparation method of a solid-state lithium battery, which specifically comprises the following steps of: evaporating a current collector metal source on a substrate film layer to form a current collector layer in a first evaporation mechanism through a continuous vacuum evaporation process, and then evaporating a lithium source on the current collector layer to form a lithium layer in a second evaporation mechanism. Finally, the negative pole piece obtained in the winding mechanism is in contact with the solid electrolyte substance and the positive pole piece to further prepare the solid-state lithium battery. On one hand, good interface contact between the current collector layer and the lithium layer is improved, on the other hand, the thicknesses of the current collector layer and the lithium layer are accurately controlled in the continuous evaporation process, and potential safety hazards such as local lithium enrichment and thermal runaway caused by excessive lithium are avoid
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Preparation method of solid-state lithium battery
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