Partitioned Battery Cabinet Venting for Explosion Risk Control
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Solution Overview
Problem
There is a need for a rapid and safe energy storage system that can be easily manufactured and installed, with a portable structure to accommodate increasing demand, and a mechanism to safely vent gases that may accumulate during operation to prevent explosions.
Innovation Solution
The energy storage system includes a modular cabinet with a mounting portion for battery modules, a venting system for safe gas emission, a cooling device, and a fire extinguishing mechanism, allowing for rapid installation and safe operation by venting internal gases and extinguishing flames.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the energy storage system is designed with a modular cabinet structure for rapid installation, then the installation speed and portability are improved, but the safety risk of gas accumulation and explosion increases
Solution Approach 1:
The cabinet is divided into multiple compartments with partition walls, creating separate storage spaces for different battery modules. This segmentation prevents gas from accumulating across the entire cabinet and limits the potential explosion scope to individual compartments, thereby maintaining rapid modular installation while improving safety.
Solution Approach 2:
Ventilation channels are introduced as intermediary structures between the battery modules and the external environment. These channels provide a controlled pathway for gas to escape safely, acting as a mediator that allows the modular structure to maintain both its installation speed advantage and its safety requirements by preventing gas accumulation.
2Ease of manufacture
If the cabinet structure is simplified for rapid manufacturing and transport, then the manufacturing complexity and installation time are reduced, but the capability to safely vent internal gases is compromised
Solution Approach 1:
The ventilation channels are merged with the partition walls and cabinet structure, combining the structural support function with the gas venting function. This integration allows the cabinet to maintain a simple, easy-to-manufacture design while inherently incorporating safe gas emission pathways, thus improving reliability without increasing manufacturing complexity.
Solution Approach 2:
The partition walls serve multiple functions: they provide structural support for mounting battery modules, create fire compartments for safety, and incorporate ventilation channels for gas emission. This multi-functionality allows the cabinet to maintain simplicity while ensuring reliable gas venting capabilities.
3Quantity of substance
If battery modules are densely arranged to maximize storage capacity, then the energy density is improved, but the risk of fire spread and gas accumulation increases
Solution Approach 1:
The cabinet interior is segmented into multiple fire compartments by partition walls, allowing battery modules to be densely arranged within each compartment while preventing fire and gas from spreading to other compartments. This maintains high energy density while controlling the harmful effects through spatial segmentation.
Solution Approach 2:
The partition walls with integrated ventilation channels convert the potentially harmful effect of gas accumulation into a beneficial controlled emission system. The channels provide designated pathways for gas to escape safely, transforming the fire hazard into a managed venting process that protects the overall system while maintaining dense battery arrangement.
Data Source
AI summary
An energy storage system may include: a cabinet including a mounting portion capable of mounting a plurality of battery modules thereon and a door member capable of being opened and closed; and a venting portion emitting gas occurring in an internal space of the cabinet, wherein the venting portion includes at least one inlet communicating with the internal space and allowing the gas to flow into the inlet; and at least one outlet disposed in an outer surface of the cabinet and communicating with the inlet.