Battery Module Thermal Resin Control for Electrode Lead Cooling
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Solution Overview
Problem
Conventional battery modules experience performance deterioration due to heat generated at electrode leads during charging and discharging, leading to temperature increases that can damage battery cells.
Innovation Solution
A battery module design incorporating a thermal resin filled in a module case to cover electrode leads, with a temperature sensor and control unit to monitor and control the resin injection, ensuring effective heat management by stopping resin injection when a preset temperature is reached.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If thermal resin is continuously injected to cool electrode leads, then heat dissipation is improved, but risk of overheating and component damage increases
Solution Approach 1:
The patent implements a feedback control system where a temperature sensor continuously monitors the temperature of electrode leads and provides real-time data to a control unit. Based on this feedback, the control unit dynamically adjusts the resin injection rate or stops injection when preset temperature conditions are met, preventing overheating while ensuring effective heat dissipation. This closed-loop control resolves the contradiction by making the cooling process adaptive and safe.
2Temperature
If thermal resin is injected to cover electrode leads, then heat transfer is improved, but assembly complexity increases
Solution Approach 1:
The patent combines the temperature sensing function and control unit directly into the module case structure, integrating multiple functions (structural support, temperature monitoring, and injection control) into a unified system. This integration simplifies the overall assembly process while maintaining effective heat transfer through the thermal resin coating on electrode leads.
3Manufacturing precision
If temperature monitoring is implemented to control resin injection, then heat management precision is improved, but manufacturing cost increases
Solution Approach 1:
The patent employs a control unit that monitors temperature parameters and automatically adjusts resin injection based on preset temperature thresholds. This parameter-based control system achieves precise temperature management without requiring complex manual intervention or expensive specialized equipment, balancing manufacturing precision with cost-effectiveness by using standardized sensing and control components.
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 solution effectively suppresses temperature increases at electrode leads, minimizing damage and extending the lifespan of battery cells by ensuring proper heat transfer and distribution, while simplifying the assembly process and preventing potential component interference.
Implementation Method 1
a thermal resin filled in the module case to cover electrode leads of the plurality of battery cells at least partially
Data Source
AI summary
Disclosed is a battery module, which includes a plurality of battery cells stacked on each other, a module case configured to accommodate the plurality of battery cells, a thermal resin filled in the module case to cover electrode leads of the plurality of battery cells at least partially, a temperature sensor provided to the module case to measure a temperature of the electrode leads, and a control unit configured to control filling of the thermal resin based on the temperature information measured by the temperature sensor.