Calorimeter Device with Adjustable Gap for Battery Heat Measurement
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Solution Overview
Problem
Current battery technologies face challenges in measuring heat generation accurately, which affects the efficiency, longevity, and reliability of batteries, leading to increased production costs and potential safety issues.
Innovation Solution
A calorimeter device with thermoelectric gauges (TEGs) and an adjustment mechanism that allows for precise measurement of heat flux across battery components, enabling detailed analysis of heat generation and thermal characteristics by applying varying electrical signals, thereby identifying efficient and reliable components within the battery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional calorimeters are used to measure heat generation in batteries, then heat measurement can be performed, but measurement precision is insufficient and secondary control chambers are required increasing device complexity
Solution Approach 1:
The patent extracts and eliminates the secondary control chamber from the calorimeter system. By using a single chamber design with improved thermal isolation techniques, the patent achieves accurate heat measurement without requiring the complex dual-chamber structure of traditional calorimeters, thus reducing device complexity while maintaining or improving measurement precision.
Solution Approach 2:
The patent changes the thermal parameters of the single chamber system by implementing improved thermal isolation mechanisms and optimized heat flux measurement techniques. This allows the system to achieve the measurement accuracy previously requiring dual chambers, resolving the contradiction between precision and complexity.
2Reliability
If battery components are analyzed in detail to improve efficiency and reliability, then better battery performance can be achieved, but production costs increase
Solution Approach 1:
The patent enables battery components to self-reveal their thermal characteristics and performance metrics through the calorimeter analysis. By measuring heat generation patterns during charging and discharging cycles, the system automatically identifies component efficiency and reliability without requiring additional manual testing or analysis procedures, thus improving reliability assessment while avoiding increased production costs.
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
This approach enables more accurate and cost-effective battery production by improving heat measurement precision, extending battery lifespan, and enhancing safety through detailed component analysis, reducing noise and production costs by eliminating the need for secondary control chambers.
Implementation Method 1
The calorimeter and/or analysis methods may be used to obtain more accurate measurement of heat generation by battery cells and other sample objects
Implementation Method 2
heat flux differential scanning calorimeters measure the temperature difference between a sample pan and a reference pan
Implementation Method 3
the surface of the first conductor and the surface of the second conductor forming a gap
Data Source
AI summary
The present disclosure provides a calorimeter device and an electrochemical system analysis method. The device includes a first thermo-electric gauge (TEG) and a first conductor thermally coupled to the first TEG, the first conductor comprising a first surface. The device may also include a second conductor with a second surface, the second surface facing the first surface, thereby forming a gap. The device may also include a second TEG thermally coupled to the second conductor and an adjustment mechanism attached to the second TEG, operable to modify a size of the gap between the first surface and the second surface. The method includes applying a plurality of electrical signals across an electrochemical system, determining, using a calorimeter, at least one rate at which heat is generated by the system, and determining at least one thermal characteristic of a component of the system.