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All-solid-state battery with improved lifetime by applying expansion layer and operating method thereof

An all-solid-state battery, expansion layer technology, applied in lithium batteries, secondary batteries, non-aqueous electrolyte batteries, etc., can solve problems such as insufficient prevention effect and narrowing of solvent selection range, and achieve the effect of shortening life.

Pending Publication Date: 2021-05-28
HYUNDAI MOTOR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this preventive effect is insufficient, and when manufacturing an all-solid-state battery by a wet process, the selection of solvents is narrowed by the kind of binder used

Method used

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  • All-solid-state battery with improved lifetime by applying expansion layer and operating method thereof
  • All-solid-state battery with improved lifetime by applying expansion layer and operating method thereof
  • All-solid-state battery with improved lifetime by applying expansion layer and operating method thereof

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Embodiment Construction

[0037] The above objects, other objects, features and advantages according to the present disclosure will be easily understood through the following preferred embodiments associated with the accompanying drawings. However, the present disclosure is not limited to the embodiments described herein, and may also be implemented in other forms. On the contrary, the embodiments described herein are provided so that this disclosure can be thorough and complete, and can fully convey the spirit according to the present disclosure to those skilled in the art.

[0038] In this specification, it should be understood that terms such as "comprising" or "having" are intended to indicate the presence of features, numbers, steps, operations, ingredients, components or combinations thereof described in the specification, and do not exclude the presence or addition of an or multiple other features, quantities, steps, operations, components, components or combinations thereof. In addition, when ...

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Abstract

The present disclosure relates to an all-solid-state battery with improved lifetime and an operating method thereof. Specifically, the all-solid-state battery includes a laminate including a unit cell provided with an anode, a cathode, and a solid electrolyte layer interposed between the anode and the cathode, and an expansion layer positioned on at least one surface of the laminate, and expanded by at least any one change in voltage and temperature.

Description

technical field [0001] The present disclosure relates to an all-solid-state battery with increased lifetime and a method of operating the same. Background technique [0002] Chargeable and dischargeable lithium secondary batteries are used not only for small electronic devices such as mobile phones or notebook computers, but also for large transportation devices such as hybrid vehicles or electric vehicles. Therefore, there is a need to develop secondary batteries with higher stability and energy density. [0003] Since a conventional lithium secondary battery is mainly based on an organic solvent (organic liquid electrolyte) to constitute a single cell (cell), it is limited in improving stability and energy density. [0004] Meanwhile, all-solid-state batteries using inorganic solid electrolytes are based on technologies that do not include organic solvents, so safer and simpler single cells can be manufactured, and thus all-solid-state batteries using inorganic solid elec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/42H01M10/0585H01M10/052
CPCH01M10/052H01M10/0585H01M10/4235H01M10/0481H01M10/0525H01M10/056Y02E60/10Y02P70/50H01M10/0562H01M10/0565C08F214/182C08F214/22
Inventor 崔容硕南荣镇李明揆林栽敏卞淳哲
Owner HYUNDAI MOTOR CO LTD
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