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Solid-state battery module

A solid-state battery, battery case technology, applied in batteries, secondary batteries, battery pack components, etc., can solve problems such as electrode offset, volume increase, and lower module energy density, and achieve electrode offset suppression, energy high density effect

Active Publication Date: 2020-11-03
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the volume of the entire battery module (i.e., the area indicated by the dotted line) increases, reducing the energy density of the module
In addition, electrode displacement, etc. may occur due to vibration, etc.

Method used

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Embodiment Construction

[0039] Hereinafter, embodiments of the present invention will be described with reference to the drawings. However, the embodiment shown below is an example of the present invention, and the present invention is not limited to the following embodiment.

[0040]

[0041] The solid battery module of the present invention is characterized in that it includes a plurality of solid batteries and a module assembly, wherein the plurality of solid batteries are arranged substantially parallel to a specific direction, the solid batteries include solid battery cells, and housings for accommodating the solid battery cells A battery case, the solid battery unit having a positive electrode, a negative electrode, a solid electrolyte present between the positive electrode and the negative electrode, a positive electrode tab connected to the positive electrode, and a negative electrode tab connected to the negative electrode, the battery case The inner dimension of the battery is substantial...

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Abstract

Provided is a battery module which has high energy density and for which battery cell displacement, separation, or the like when oscillation occurs is prevented. In the present invention, a residual space in a battery cell is eliminated, the residual space having been necessary for a lithium ion secondary cell into which a liquid electrolyte is filled. A module structural-member is disposed in theportion which served as the residual space.

Description

technical field [0001] The invention relates to a solid battery module. Furthermore, it is related with the battery module which has a high energy density, ensures sufficient surface pressure, and suppresses electrode displacement at the time of vibration. Background technique [0002] Conventionally, lithium ion secondary batteries have been widely used as secondary batteries having high energy density. A lithium ion secondary battery has a structure in which a separator is interposed between a positive electrode and a negative electrode, and a liquid electrolyte (electrolyte solution) is filled. [0003] The electrolytic solution of a lithium ion secondary battery is usually a flammable organic solvent, and therefore, especially thermal safety may become a problem. Accordingly, a solid battery using an inorganic solid electrolyte instead of an organic liquid electrolyte has been proposed (see Patent Document 1). A solid battery formed of a solid electrolyte can eliminat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/10H01M2/02H01M10/0562H01M10/058H01M10/48H01M10/613H01M10/625H01M10/6551H01M10/6557H01M50/103H01M50/209H01M50/224H01M50/296
CPCH01M10/613H01M10/0562H01M10/6557Y02E60/10H01M50/55H01M50/548H01M10/482H01M10/486H01M2200/10H01M50/209H01M10/425H01M50/224H01M10/615H01M10/6561H01M10/6567H01M2220/20H01M2220/30Y02P70/50H01M50/296H01M50/103H01M10/48H01M50/531
Inventor 谷内拓哉大田正弘
Owner HONDA MOTOR CO LTD