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source:Industry News release time:2025-09-13 Hits: Popular:AG11 battery
The research on explosion - proof technology of lithium battery packs has become a critical area of focus due to the increasing prevalence of lithium - ion batteries in various applications, from consumer electronics to electric vehicles and energy storage systems. Lithium battery packs, while offering high energy density and long - lasting performance, pose significant safety risks, including the potential for thermal runaway, which can lead to explosions and fires.
Thermal runaway in lithium battery packs occurs when an exothermic reaction within the battery generates excessive heat, causing a chain reaction that rapidly increases the temperature. As the temperature rises, the battery's internal pressure builds up, and if not properly managed, it can result in an explosion. To prevent this, researchers are exploring multiple explosion - proof strategies.
One approach is the development of advanced battery materials. For example, the use of solid - state electrolytes instead of traditional liquid electrolytes can enhance the safety of lithium battery packs. Solid - state electrolytes have a lower risk of leakage and are less flammable, reducing the likelihood of thermal runaway. Additionally, the incorporation of flame - retardant materials in the battery casing and separator can act as a barrier, suppressing the spread of fire and heat in case of an internal short - circuit or overheating.
Another crucial aspect of explosion - proof technology is the design of effective thermal management systems. These systems are designed to dissipate heat generated during battery operation, keeping the temperature within a safe range. Liquid - cooling systems are commonly used, where a coolant fluid circulates through channels integrated into the battery pack, absorbing and carrying away the heat. Phase - change materials (PCMs) are also being investigated. PCMs can absorb a large amount of heat during the phase - transition process (such as from solid to liquid), providing an additional layer of thermal protection and helping to prevent the rapid temperature rise associated with thermal runaway.
In addition to material and thermal management solutions, the development of intelligent monitoring and control systems is essential. These systems use sensors to continuously monitor parameters such as battery voltage, current, temperature, and pressure. When abnormal conditions are detected, the system can take immediate action, such as disconnecting the power supply or activating cooling mechanisms, to prevent the situation from escalating. Moreover, research is ongoing to develop self - healing materials and technologies that can repair minor damages within the battery, further enhancing its safety and reducing the risk of explosion. As the demand for lithium - ion batteries continues to grow, continuous research and innovation in explosion - proof technology are necessary to ensure the safe operation of lithium battery packs in various applications.
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