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Electrochemical element and all-solid-state lithium ion secondary battery

一种电化学元件、全固体的技术,应用在二次电池、锂蓄电池、电气元件等方向,能够解决输出小等问题

Active Publication Date: 2019-04-02
TDK CORPARATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Electrochemical elements using solid electrolytes have a problem of lower output than electrochemical elements using electrolyte solutions

Method used

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  • Electrochemical element and all-solid-state lithium ion secondary battery
  • Electrochemical element and all-solid-state lithium ion secondary battery
  • Electrochemical element and all-solid-state lithium ion secondary battery

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0102] Example 1 is different from Comparative Example 1 in that the fired laminate was left in a constant temperature and humidity chamber at a temperature of 25° C. and a humidity of 50% for 12 hours before forming terminal electrodes. Other conditions are the same as in Comparative Example 1.

Embodiment 2

[0104] In Example 2, the fired laminate was first placed in a constant temperature and humidity chamber at a temperature of 25° C. and a humidity of 90% for 30 minutes, and then placed in a constant temperature and humidity chamber at a temperature of 25° C. and a humidity of 50% for 1 hour. Week. Then, it is different from Comparative Example 1 in that terminal electrodes are formed on the laminate taken out from the high-temperature, high-humidity tank. Other conditions are the same as in Comparative Example 1.

Embodiment 3

[0106] In Example 3, the fired laminate was first placed in a constant temperature and humidity chamber at a temperature of 25°C and a humidity of 90% for 2 hours, and then placed in a constant temperature and humidity chamber at a temperature of 25°C and a humidity of 50% for 1 week. . Then, it is different from Comparative Example 1 in that terminal electrodes are formed on the laminate taken out from the high-temperature, high-humidity tank. Other conditions are the same as in Comparative Example 1.

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Abstract

An electrochemical element according to one embodiment of the present invention is provided with a laminate that comprises a positive electrode, a negative electrode and a solid electrolyte sandwichedbetween the positive electrode and the negative electrode. The laminate contains moisture; and the moisture content in the laminate is 0.001% by mass or more but less than 0.3% by mass relative to the laminate.

Description

technical field [0001] The invention relates to an electrochemical element and an all-solid lithium ion secondary battery. [0002] This application claims priority based on Japanese Patent Application No. 2016-153709 filed in Japan on August 4, 2016, the content of which is incorporated herein. Background technique [0003] Electrolytes as media for ion movement are used in various applications such as batteries, capacitors, and capacitors. As the electrolyte, there are an electrolytic solution using a liquid and a solid electrolyte using a solid. Liquid electrolyte has problems such as leakage. For example, when a liquid leak occurs in a lithium ion secondary battery, it can cause a fire. Therefore, electrochemical devices using solid electrolytes that do not have to worry about problems such as liquid leakage have attracted attention. [0004] An electrochemical element using a solid electrolyte has a problem of lower output than an electrochemical element using an el...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/0562H01B1/06H01M10/052
CPCH01B1/06H01M10/052H01M10/0562H01M10/0585H01M10/0525H01M2300/0068H01M50/489H01M2300/0094H01M4/13H01M10/0566H01G11/56
Inventor 大石昌弘小宅久司佐藤洋高柳宽子矶道岳步
Owner TDK CORPARATION
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