18452570. BATTERY MODULE simplified abstract (TOYOTA JIDOSHA KABUSHIKI KAISHA)

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BATTERY MODULE

Organization Name

TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor(s)

Kenichi Kohashi of Sunto-gun (JP)

BATTERY MODULE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18452570 titled 'BATTERY MODULE

Simplified Explanation

The abstract describes a battery module with a unique design for end plates and a case to accommodate a battery stack. Here are the key points of the patent application:

  • Battery module includes a battery stack with a cell stack and end plates, as well as a case with an opening and accommodation space.
  • End plates have a recess surrounding part of the end plate-side end surface.
  • Case has a case-side end surface that is inclined.
  • Case includes a hole facing a region in the stacking direction, which is surrounded by the recess of the end plate.
  • When the battery stack is accommodated in the case, the end plate-side end surface is pressed inward, causing the region surrounded by the recess to protrude outward in the stacking direction and enter the hole.

Potential applications of this technology:

  • Electric vehicles
  • Energy storage systems
  • Portable electronic devices

Problems solved by this technology:

  • Secure and efficient accommodation of battery stack
  • Enhanced structural integrity of battery module

Benefits of this technology:

  • Improved safety and reliability of battery modules
  • Simplified assembly process
  • Optimal use of space within the battery module


Original Abstract Submitted

A battery module includes: a battery stack including a cell stack, and a pair of end plates; and a case including an opening and an accommodation space. Further, each end plate includes, as an outer end surface, an end plate-side end surface, the case includes, a case-side end surface inclined, the end plate includes a recess formed so as to surround a part of the end plate-side end surface, the case includes a hole formed at a position facing a region in the stacking direction, the region being surrounded by the recess of the end plate, and when the battery stack is accommodated in the case, a contact surface of the end plate-side end surface is pressed inward so that the region surrounded by the recess relatively protrudes outward in the stacking direction from the contact surface and enters an inside of the hole.

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