Performance analysis of a lithium-ion battery of an electric vehicle under various driving conditions

Pub Date : 2023-12-04 DOI:10.24425/ather.2023.147541

Shreya Dhawan, Aanchal Sabharwal, Rupali Prasad, Shreya Shreya, Aarushi Gupta, Yusuf Parvez

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Abstract

Conventional fuels are the primary source of pollution. Switching towards clean energy becomes increasingly necessary for sustainable development. Electric vehicles are the most suitable alternative for the future of the automobile industry. The battery, being the power source, is the critical element of electric vehicles. However, its charging and discharging rates have always been a question. The discharge rate depends upon various factors such as vehicle load, temperature gradient, surface inclination, terrain, tyre pressure, and vehicle speed. In this work, a 20 Ah, 13S-8P conﬁgured lithium-ion battery, developed speciﬁcally for a supermileage custom vehicle, is used for experimentation. The abovementioned factors have been analyzed to check the vehicle’s overall performance in diﬀerent operating conditions, and their eﬀects have been investigated against the battery’s discharge rate. It has been observed that the discharge rate remains unaﬀected by the considered temperature diﬀerence. However, overheating the battery results in thermal runaway, damaging and reducing its life. Increasing the number of brakes to 15, the impact on the discharge rate is marginal; however, if the

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电动汽车锂离子电池在各种驾驶条件下的性能分析

传统燃料是污染的主要来源。转向清洁能源对可持续发展越来越有必要。电动汽车是未来汽车工业最合适的选择。电池作为动力源，是电动汽车的关键部件。然而，它的充放电速率一直是一个问题。排放率取决于各种因素，如车辆负载、温度梯度、表面倾斜度、地形、轮胎压力和车辆速度。在这项工作中，一个20 Ah, 13S-8P配置的锂离子电池，专门为超里程定制车辆开发，用于实验。对上述因素进行分析，检验车辆在不同工况下的整体性能，并考察其对电池放电率的影响。已经观察到放电速率不受所考虑的温差的影响。然而，过热的电池导致热失控，损坏和减少其寿命。将制动器数量增加到15个，对放电率的影响微乎其微;然而，如果

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