离子电池的热管理挑战:了解热生成机制
Kenza Maher1, Ameni Boumaiza1, Ruhul Amin2
1Qatar Environment and Energy Research Institute (QEERI), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar. kmaher@hbku.edu.qa.
Chemical communications (Cambridge, England)
|February 7, 2025
概括
这项研究检查了18650离子电池的热量产生. 优化热管理对于提高电池效率,安全性和寿命至关重要.
科学领域:
- 电化学 电化学 电化学
- 材料科学 材料科学 材料科学
- 储能 储能 储能 储能 储能 储能
背景情况:
- 商用18650离子电池由于高能量密度而存在热管理挑战.
- 电池内部的电化学过程产生热量,影响性能和安全性.
研究的目的:
- 调查18650离子电池电池中的热量产生.
- 解决热管理挑战,以提高电池的效率,安全性和耐用性.
主要方法:
- 使用异热热量计来测量热量产生.
- 采用电化学阻抗光谱 (EIS) 来分析热行为.
主要成果:
- 在电池运行过程中量化的热量产生.
- 确定了降低性能和加速衰老的热效应.
- 突出了热失控的风险增加.
结论:
- 优化热管理对于18650离子电池至关重要.
- 改进的热控制提高了电池的效率,并延长了使用寿命.
- 减轻热风险是确保电池安全和耐用性的关键.
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