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近年来,装用车载储能装置的铁路车辆的研究和开发已广泛展开。锂离子蓄电池因其具有高功率密度、高能量密度,而成为主要车载储能装置候选对象,但它存在高温下劣化加速的问题。多次重复充/放电试验表明,将锂离子电容器与锂离子蓄电池并联,可减小锂离子蓄电池的电流及降低温升。试验还表明,锂离子蓄电池的温升与内部发热量成正比,而与环境温度没有依存关系。最后,从锂离子蓄电池电流与储能模块总净重或总体积之间关系的角度,对锂离子电容器和锂离子蓄电池进行了对比。
In recent years, the research and development of railway vehicles equipped with on-board energy storage devices have been carried out extensively. Due to its high power density and high energy density, lithium-ion batteries have become the main candidates for on-board energy storage devices, but it has the problem of accelerated deterioration at high temperatures. Repeated charge / discharge tests show that the lithium-ion capacitor in parallel with the lithium-ion battery, lithium-ion battery can reduce the current and reduce temperature rise. The test also shows that the lithium-ion battery temperature rise and the internal heat is proportional to, but not dependent on the ambient temperature. Finally, lithium-ion capacitors and lithium-ion batteries are compared from the standpoint of the relationship between the current of the lithium-ion battery and the total net weight or total volume of the energy storage module.