Battery Module Support Frame Layout for Compact Energy Storage

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing energy storage devices face challenges in reducing installation area and ensuring structural rigidity, particularly when battery modules are installed horizontally, leading to increased thickness and space requirements.

Innovation Solution

The energy storage device incorporates a support frame with lower and upper support members, vertical support members, and a case design with larger side portions to accommodate battery modules, utilizing polycarbonate sheets and a top fixing member to stabilize the structure while minimizing installation area.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If battery modules are installed horizontally with wide bottom face downward, then the stability of battery module installation is improved, but the thickness of outer box is increased and the installation area is increased

Engineering Contradiction:
Improvestability of battery module installationVSAvoidthickness of outer box
Core Design Contradiction:
Stability of the object's compositionVSLength of stationary object

Solution Approach 1:

The patent changes the installation orientation of battery modules from horizontal to vertical arrangement. By stacking battery modules vertically on upper and lower support members instead of placing them horizontally, the thickness of the outer box is reduced while maintaining installation stability through the support frame structure.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Stability of the object's composition

If battery modules are installed horizontally with wide bottom face downward, then the stability of battery module installation is improved, but the installation area is increased

Engineering Contradiction:
Improvestability of battery module installationVSAvoidinstallation area
Core Design Contradiction:
Stability of the object's compositionVSArea of stationary object

Solution Approach 1:

The patent transitions from horizontal to vertical installation of battery modules. This dimensional change allows the battery modules to be stacked in the vertical direction rather than spreading out horizontally, thereby reducing the installation area while maintaining stability through the support frame with upper and lower support members.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Strength

If support frame with upper and lower support members is used, then the rigidity of structure is improved, but the device complexity is increased

Engineering Contradiction:
Improverigidity of structureVSAvoidstructure complexity
Core Design Contradiction:
StrengthVSDevice complexity

Solution Approach 1:

The support frame is segmented into upper and lower support members that independently support battery modules at different heights. This segmentation provides structural rigidity through the distributed support system while keeping each individual support member relatively simple in design, balancing strength requirements with manufacturing simplicity.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP4708499A1Energy storage device comprising battery modules
Publication Date: 2026.03.11 LG ENERGY SOLUTION LTD
  • EP4708499A1 patent drawingFigure 1
  • EP4708499A1 patent drawingFigure 2
  • EP4708499A1 patent drawingFigure 3

AI summary

An energy storage device according to the present disclosure comprises a plurality of battery modules including a plurality of battery cells; a case for accommodating the battery modules; and a support frame for supporting a plurality of the battery modules in the case, wherein the support frame comprises a lower support member on which at least one battery module is supported, and an upper support member on which at least one battery module is supported.