Cylindrical Li-Ion Battery Analysis for Safe Reuse Screening
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Solution Overview
Problem
The rapid disposal of lithium-ion batteries due to increased demand and frequent replacements leads to environmental hazards and inefficiencies in recycling, with current recycling processes being labor-intensive, time-consuming, and lacking standardization, and there is a need for improved safety measures to prevent fires and explosions during battery handling.
Innovation Solution
A lithium-ion battery analyzer that visually inspects batteries for leakage, performs fast electrical tests, and conducts deeper thermal and electrical tests to determine battery health, allowing only safe and functional batteries to be reused, thereby enhancing safety and efficiency in recycling processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual disassembly and inspection of lithium-ion batteries is performed, then safety can be ensured, but the process becomes labor-intensive and time-consuming
Solution Approach 1:
The patent replaces manual mechanical inspection with an automated analyzer system that uses electrical measurements (voltage, current, resistance) and thermal imaging to detect battery conditions. This substitution eliminates labor-intensive manual disassembly while maintaining safety through objective, data-driven assessment of battery health and safety risks.
Solution Approach 2:
The battery analyzer enables batteries to 'self-reveal' their condition through automated electrical and thermal testing. The system performs self-diagnosis by measuring internal resistance, voltage stability, and thermal response during charge/discharge cycles, eliminating the need for external manual inspection while improving throughput.
2Measurement precision
If comprehensive electrical and thermal tests are performed on batteries, then measurement precision improves, but device complexity increases
Solution Approach 1:
The patent divides the battery analysis process into distinct modular test sequences: initial electrical parameter measurement, controlled charge/discharge cycling, thermal imaging monitoring, and internal resistance measurement. Each module performs a specific function and can be independently controlled, allowing comprehensive testing while maintaining manageable system complexity through functional decomposition.
Solution Approach 2:
The battery analyzer is designed as a multi-functional system that performs multiple types of measurements (voltage, current, resistance, thermal imaging) using a single integrated device. This universal approach consolidates what would otherwise require multiple separate instruments, achieving high measurement precision without proportionally increasing overall device complexity.
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
The analyzer effectively identifies and labels batteries based on health, ensuring only usable batteries are reused, reducing environmental hazards and improving recycling efficiency by standardizing the process and minimizing the risk of fires and explosions.
Implementation Method 1
visually inspecting the cylindrical lithium-ion battery for liquid leakage
Implementation Method 2
performing a voltage test on the cylindrical lithium-ion battery to determine if the cylindrical lithium-ion battery is still capable of holding a charge
Implementation Method 3
conducts deeper thermal and electrical tests to determine battery health
Data Source
AI summary
A cylindrical lithium-ion battery analyzer which can be used to determine the charging and discharging quality and conditions of used lithium-ion rechargeable batteries. The analyzer can be used in methods for determining battery health and selecting those batteries capable of being reused.