煤矿用锂离子蓄电池设计及保护

Design and protection of lithium ion batteries for coal mines

煤矿作业环境恶劣,对供电设备可靠性、安全性提出了更高要求。锂离子蓄电池以其能量密度高、循环寿命长等优势,成为煤矿储能系统的理想选择。然而,锂离子蓄电池在高负荷工况下存在一定的安全隐患,须结合煤矿特殊需求进行优化设计与保护。本文分析了煤矿用锂离子蓄电池的设计原理,重点探讨了过充电、过放电、短路、高温等故障的防控策略,并通过实际工程案例,论证了优化设计的可行性和应用效果。研究表明,采用主动均衡、硬件保护、热管理等措施,可有效提升电池系统的安全性与可靠性,为煤矿安全高效开采提供坚实的能源保障。

The harsh working environment in coal mines has raised higher requirements for the reliability and safety of power supply equipment.Lithium ion batteries have become an ideal choice for coal mine energy storage systems due to their high energy density and long cycle life.However,lithiumion batteries have certain safety hazards under high load conditions and need to be optimized and protected according to the special needs of coal mines.This article analyzes the design principles of lithium-ion batteries used in coal mines,focusing on the prevention and control strategies for faults such as overcharging,over discharging,short circuits,and high temperatures.Through practical engineering cases,the feasibility and application effects of optimized design are demonstrated.Research has shown that adopting measures such as active balancing,hardware protection,and thermal management can effectively improve the safety and reliability of battery systems,providing a solid energy guarantee for safe and efficient mining in coal mines.