Battery and battery module

Patent metadata

Field	Value
Publication number	US-9640791-B2
Application number	US-201214373392-A
Country	US
Kind code	B2
Filing date	Jan 23, 2012
Priority date	Jan 23, 2012
Publication date	May 2, 2017
Grant date	May 2, 2017

Abstract

A battery includes: an external terminal protruding outward from a main body; a metal terminal for taking out electric power from inside the main body to the external terminal; and an insulating member for insulation between the main body, and the external terminal and the metal terminal. The metal terminal includes a base portion connected to the inside of the main body and extending along the same plane as one face of the main body from which the external terminal protrudes and an end portion which further extends from the base portion and to which the external terminal is fixed. The external terminal includes a tip end face formed as a sloping face which is low on the end portion side of the metal terminal and high on the base portion side of the metal terminal.

First claim

The invention claimed is:

1. A battery comprising:
an external terminal protruding outward from a main body;
a metal terminal for taking out electric power from an inside of the main body to the external terminal; and
an insulating member for insulation between the main body, and the external terminal and the metal terminal, wherein
the metal terminal comprises: a base portion connected to the inside of the main body and extending along a same plane as one face of the main body from which the external terminal protrudes; and an end portion further extending from the base portion and to which the external terminal is fixed, and
the external terminal comprises a tip end face formed as a sloping face inclined in a direction from the end portion towards the base portion such that a deformation direction of the external terminal is restricted when an external force is applied to the tip end face.

2. The battery according to claim 1 , wherein the external terminal comprises a notch at a midpoint in a protruding direction thereof.

3. The battery according to claim 1 , wherein a slope angle of the tip end face of the external terminal is set in a range of 10° to 70°.

4. A battery module configured by connecting a plurality of the batteries according to claim 1 ,
wherein the external terminals of the adjacent batteries are connected by a bus bar.

5. The battery module according to claim 4 , wherein each of the external terminals comprises a notch at a midpoint in a protruding direction thereof, wherein the notch is formed above a portion connected to the bus bar.

Assignees

• Kamiya Masato
• Saito Taira
• Toyota Motor Co Ltd

Inventors

• Kamiya Masato
• Saito Taira

Classifications

• H01M50/562 Primary

  characterised by the material · CPC title

• H01M50/522

  Inorganic material · CPC title

• H01M50/553

  Terminals adapted for prismatic, pouch or rectangular cells · CPC title

• H01M50/51

  Connection only in series · CPC title

• H01M50/55

  on the same side of the cell · CPC title