Fire-Suppressing Composition for Battery Heat Propagation Control
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Solution Overview
Problem
Heat management and prevention of heat propagation, ignition, and explosion are challenging in products with multiple heat-generating elements, particularly in battery modules, where abnormal heat generation can lead to chain reactions affecting adjacent elements.
Innovation Solution
A composition comprising a solvent, carbonizable organic material, carbonized catalyst generating agent, and optional additives like water-absorbing polymers, designed to form a carbide that blocks heat transfer and extinguishes flames, while maintaining handleability and storage stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fire extinguishing composition is applied to respond to abnormal heat generation and ignition, then the effectiveness of preventing heat propagation improves, but the handleability and storage stability may deteriorate
Solution Approach 1:
The patent adjusts the freezing point of the solvent to a specific range (-10°C to 10°C) to ensure the composition remains liquid and handleable under normal conditions while maintaining fire extinguishing effectiveness. This parameter optimization resolves the contradiction between reliability and ease of operation.
Solution Approach 2:
The composition uses a composite formulation combining solvent, carbonizable organic material, and carbonized catalyst generating agent in specific ratios. This composite structure ensures both fire suppression effectiveness and storage stability while maintaining handleability through proper material selection and proportioning.
2Reliability
If the composition uses a solvent with appropriate freezing point and boiling point, then the response effectiveness to heat generation improves, but the storage stability and handleability may be compromised
Solution Approach 1:
The patent specifies precise parameter ranges for the solvent: freezing point of -10°C to 10°C and boiling point of 80°C to 120°C. These parameter constraints ensure the solvent provides adequate fire response effectiveness while maintaining storage stability and handleability under normal conditions.
Solution Approach 2:
The composition exhibits different properties under different conditions: under normal storage conditions it remains stable and handleable, but under heat generation conditions it becomes highly effective at fire suppression. This conditional property differentiation resolves the contradiction between stability and response effectiveness.
3Reliability
If carbonizable organic material is used to form carbide for heat blocking, then the fire extinguishing capability improves, but the composition complexity and handling difficulty increase
Solution Approach 1:
The carbonizable organic material is pre-formulated in the composition but remains dormant under normal conditions. When heat generation occurs, it activates to form carbide for heat blocking. This preliminary preparation without immediate activation simplifies handling while ensuring fire extinguishing capability when needed.
Solution Approach 2:
The composition uses the heat from abnormal generation to trigger the carbonization reaction itself, forming carbide automatically without external intervention. This self-activating mechanism reduces complexity by eliminating the need for external activation systems while maintaining fire extinguishing capability.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Effectively suppresses abnormal heat generation, ignition, and explosion by forming a carbide that insulates and extinguishes flames, preventing propagation to adjacent elements, and ensuring stability and ease of handling.
Implementation Method 1
When heat is applied to the solvent due to the abnormal heat generation, ignition and/or explosion, the solvent is vaporized by this heat, and the gas thus generated may reduce the heat
Implementation Method 2
the desired latent heat may appear during the vaporization process
Implementation Method 3
forming a carbide that blocks heat transfer and extinguishes flames
Implementation Method 4
The solvent may be used to reduce heat by heat exchange or the like when heat generation, ignition, and/or explosion has occurred in a target adjacent to the composition, or to remove flame generated by the ignition and/or explosion
Data Source
AI summary
Disclosed is a composition which is applied to products or elements generating heat or having possibility of ignition or explosion during driving, storage and/or maintenance processes. The composition is capable of effectively responding to the heat, ignition, and explosion. For example, the composition is applied to an article comprising a plurality of the products or elements. The composition is capable of responding to abnormal heat generation, explosion, and ignition occurring in any one element or product, and capable of preventing or minimizing propagation of such heat generation, explosion, and ignition to other adjacent elements or products. The composition also exhibits excellent handleability and storage stability.