Fire-Extinguishing Composition for Battery Heat Propagation Isolation
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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 ingredients like gas-generating materials and water-absorbing polymers, designed to form a carbide that insulates and extinguishes flames, while maintaining handleability and storage stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If heat-generating elements are placed adjacent to each other to increase product density, then productivity and space utilization are improved, but heat propagation and chain ignition risk increase
Solution Approach 1:
The patent introduces fire-resistant barriers that segment the space between adjacent heat-generating elements, physically dividing the potential heat propagation path into isolated sections. This segmentation prevents chain ignition while maintaining close spacing of functional elements for high product density.
Solution Approach 2:
The fire-resistant barrier acts as an intermediary substance placed between heat-generating elements. This intermediary material has high heat resistance and low thermal conductivity, mediating the thermal interaction between adjacent elements to prevent heat propagation while allowing the elements to remain closely spaced.
2Reliability
If fire-resistant barriers are introduced to prevent heat propagation, then safety is improved, but device complexity and space occupation increase
Solution Approach 1:
The patent employs thin-film fire-resistant barriers that provide effective heat protection with minimal thickness. These thin films achieve the required safety function without adding significant structural complexity or occupying excessive space, maintaining a simple overall device architecture.
Solution Approach 2:
The fire-resistant barrier material is designed with optimized thermal parameters (high heat resistance, low thermal conductivity) that maximize safety effectiveness while minimizing the required barrier thickness. This parameter optimization reduces the barrier's spatial footprint and structural impact.
3Temperature
If fire-resistant barriers are made thicker to improve heat isolation, then heat resistance is improved, but space occupation and device compactness worsen
Solution Approach 1:
The patent utilizes materials with superior thermal parameters (high heat resistance, low thermal conductivity) that achieve effective heat isolation at reduced thickness. This parameter optimization allows the barrier to provide adequate thermal protection while occupying minimal space and maintaining device compactness.
Solution Approach 2:
The fire-resistant barrier is constructed from composite materials that combine multiple functional properties in a single thin layer. These composite structures achieve high heat resistance and low thermal conductivity simultaneously, providing effective thermal isolation without requiring increased thickness.
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 and isolates heat, ignition, and explosion in one element from affecting others, ensuring safety and stability in products with multiple heat-generating components.
Implementation Method 1
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
Implementation Method 2
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, or be applied to removal of the flame. Also, the desired latent heat may appear during the vaporization process.
Implementation Method 3
a carbonizable organic material as described below to effectively form a carbide at a necessary time point
Implementation Method 4
form a carbide at a necessary time point... capable of having an insulating function
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 is 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. The present specification may also provide a use of the composition.