航空推进离子电池系统的安全设计基于热失控爆炸指数
Juan Yang1,2, Yu Yang3, Jiacheng Tong3
1Engineering Techniques Training Center, Civil Aviation University of China, Tianjin, 300300, China.
Scientific reports
|November 25, 2025
概括
这项研究引入了热逃逸爆炸指数,以评估电动飞机离子电池的安全性. 防护涂层,如E85S15B3,显著降低爆炸风险和温度,提高航空安全.
科学领域:
- 材料科学 材料科学 材料科学
- 航空航天工程 航空航天工程
- 电池技术 电池技术
背景情况:
- 能源需求的增加凸显了电动飞机中离子电池的安全问题.
- 在航空应用中,对电池系统安全设计的定量评估至关重要.
研究的目的:
- 调查航空推进离子电池系统设计对安全性能的影响.
- 引入和应用热逃逸爆炸指数用于定量安全评估.
主要方法:
- 离子电池热失控的实验和理论分析.
- 气体爆炸特征测试和热逃逸封闭测试.
- 固有,运行和保护安全的定量评估.
主要成果:
- 保护设计对于降低热失控爆炸指数至关重要.
- 防火涂层比增加顶板厚度更有效.
- E85S15B3涂层优化降低温度和重量,在1毫米层达到0.0942的指数.
结论:
- 保护性设计显著提高了用于航空业的离子电池系统安全性.
- E85S15B3涂层提供了卓越的保护,降低了温度和重量.
- 为航空离子电池系统的危险评估和安全设计提供了基础.
更多相关视频
08:42In Situ Gas Analysis and Fire Characterization of Lithium-Ion Cells During Thermal Runaway Using an Environmental Chamber
Published on: March 31, 2023
3.0K
10:36Author Spotlight: Optimization of Airflow Velocities in Battery Cooling Systems for Enhanced Thermal Performance and Reduced Energy Consumption
Published on: November 3, 2023
2.1K
相关概念视频
Design Example: Automobile Ignition System
514
The automobile's ignition system plays a vital role by ensuring the timely ignition of the fuel-air mixture in each cylinder. This ignition is facilitated by a spark plug, which is composed of two electrodes separated by an air gap. A spark forms across this air gap when a substantial voltage is generated between the electrodes, leading to the ignition of the fuel.
One can generate a large voltage using a car battery of 12 volts with the help of inductors. Inductors are known for opposing...
One can generate a large voltage using a car battery of 12 volts with the help of inductors. Inductors are known for opposing...
514
Batteries and Fuel Cells
30.7K
A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...
30.7K
Insulation Coordination
546
Insulation coordination is the process of matching electric equipment's insulation strength with protective device characteristics to protect the equipment against expected overvoltages. This selection is based on engineering judgment and cost. Equipment can generally withstand short-duration high transient overvoltages, but repeated tests with identical waveforms can yield inconsistent results. As a result, standard impulse voltage waveforms are used for testing, defined by specific times...
546
