Real-Time Thermal Analysis Module for Secondary Cell Batteries
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Solution Overview
Problem
Current methods for analyzing thermal behavior of secondary cell batteries, such as lithium ion batteries, are limited in providing real-time information about thermal changes and operational environments, making it difficult to design large capacity batteries or batteries for automobiles effectively.
Innovation Solution
A module for real-time thermal behavior analysis of secondary cell batteries, which includes regions for mounting sample and reference batteries, connected to differential scanning calorimetry (DSC) and heat sensors, allowing for the measurement of heat flux and thermal behavior under various charging and discharging conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional thermal analysis methods are used, then equipment simplicity is maintained, but real-time thermal behavior data cannot be obtained
Solution Approach 1:
The module is divided into distinct functional regions: a sample battery mounting region and a reference battery mounting region, each with dedicated partitions and mounting structures. This segmentation allows independent measurement of sample and reference batteries while maintaining a unified modular design that achieves real-time thermal behavior measurement capability.
2Loss of information
If detailed thermal behavior data is measured, then understanding of heat generation phenomena is improved, but measurement time and complexity increase
Solution Approach 1:
The module enables continuous real-time measurement of thermal behavior during battery charging and discharging processes. Heat sensors continuously monitor heat flux from both sample and reference batteries, providing uninterrupted thermal data without requiring intermittent measurements or stopping the battery operation, thus obtaining complete thermal information efficiently.
3Measurement precision
If heat flux measurement is performed accurately, then thermal performance information is improved, but sensor arrangement complexity increases
Solution Approach 1:
A reference battery is introduced as an intermediary element to facilitate accurate heat flux measurement. The reference battery serves as a thermal reference that enables differential measurement with the sample battery, allowing accurate determination of heat generation characteristics while simplifying the overall measurement approach compared to direct absolute measurement methods.
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
Enables the acquisition of detailed thermal behavior data in real-time, enhancing the understanding of heat generation phenomena and improving battery design by providing critical information on thermal performance and operational states.
Implementation Method 1
a housing covering the two regions and having an adiabatic characteristic
Implementation Method 2
measuring a heat flux of the sample battery
Data Source
AI summary
Provided are a module for real-time thermal behavior analysis of a secondary cell battery and a method of operating the module. The module includes a region for mounting a sample battery, a region for mounting a reference battery, and a housing covering the two regions and having an adiabatic characteristic. The region for mounting the sample battery is defined by two partitions facing each other. In addition, the region for mounting the reference battery is defined by two partitions facing each other. The region for mounting the sample battery is a region for vertically or horizontally mounting the sample battery. The region for mounting the reference battery is a region for vertically or horizontally mounting the reference battery.