Battery pulse temperature control technology
An Optimal Pulse Heating Strategy for Lithium-ion Battery …
The driving performance of electric vehicles seriously degrades due to the deterioration of lithium-ion batteries at low temperatures. Preheating lithium-ion batteries can effectively improve the driving range of electric vehicles at subzero temperatures. In this paper, an optimal pulse heating strategy is proposed for low-temperature heating of lithiumion …
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An optimal self-heating strategy for lithium-ion batteries with pulse ...
Before experiments, the tested battery is immersed in a constant temperature chamber for 2 h. The immersion stage serves to dissipate the battery''s internal heat until it balances with the surrounding ambient temperature. The battery is heated using a 3 A pulse current at a frequency of 16 kHz.
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A study of the influence of measurement timescale on internal ...
The DC resistance of a battery is simply the ratio of voltage to current, arising from a given current/voltage perturbation (∆V/∆I). An example of voltage drop due to a step-current discharge ...
A closed-loop control on temperature difference of a lithium-ion ...
A closed-loop control (CLC) on temperature difference of a battery cell by pulse heating in cold climates. • The temperature difference could be controlled …
Battery electronification: intracell actuation and thermal ...
By adding an internal thermal actuator, battery temperature can be rapidly and uniformly modulated to activate the interfaces and boost power only when needed.
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An optimal self-heating strategy for lithium-ion batteries with …
Battery self-heating technology has emerged as a promising approach to enhance the power supply capability of lithium-ion batteries at low temperatures. However, in existing studies, the design of the heater circuit and the heating algorithm …
Heating Lithium-Ion Batteries at Low Temperatures for …
4 C. Lin et al. 1 3 poor electrical conductivity at low temperatures [11]. As for electrolytes, the conductivity and the diusion rate of Li + in the liquid phase decrease at low temperatures [12, 13], which leads to an increase in internal impedance [14].
Dynamic Frequency and Duty Cycle Control Method for Fast Pulse …
Pulse-based charging method for battery cells has been recognized as a fast and efficient way to overcome the shortcoming of slow charging time in distributed battery cells. The pulse frequency for controlling the battery charge will change within a certain range. The optimal frequency is determined to achieve the minimized battery impedance. The …
Recent development of low temperature plasma technology for …
In contrast, LTP has a high electron temperature of around 10,000 K, but the gas temperature can be maintained at room temperature, allowing for better control and reducing equipment wear [26], energy consumption, and material damage. The LTP has a wide range of applications in material surface treatment, material modification, and …
Fast self-preheating system and energy conversion model for …
Therefore, it is a major challenge to ensure a high-temperature uniformity in a large battery pack. Phase change materials (PCMs) are substances that can absorb or release a large amount of heat during phase transition. In the case of batteries, they can easily control the battery temperature within a narrow range [[31], [32], [33]].
Experimental study on pulse self–heating of lithium–ion battery at …
DOI: 10.1016/J.IJHEATMASSTRANSFER.2019.02.020 Corpus ID: 127709540; Experimental study on pulse self–heating of lithium–ion battery at low temperature @article{Qu2019ExperimentalSO, title={Experimental study on pulse self–heating of lithium–ion battery at low temperature}, author={Zhiguo Qu and Z. Y. Jiang and Qiuwan …
Optimal Charging Strategy With Complementary Pulse Current Control …
Although the pulse charging strategy has many advantages, it is still controversial. The paradox is that it prolongs the charging time to eliminate the polarization voltage by the pulse interval, and the ac component in pulse current will increase the ohmic losses. In this article, an optimal charging strategy with a complementary pulse current of lithium-ion is …
An Optimal Pulse Heating Strategy for Lithium-ion Battery …
Preheating lithium-ion batteries can effectively improve the driving range of electric vehicles at subzero temperatures. In this paper, an optimal pulse heating strategy is proposed for …
A multi-stage lithium-ion battery aging dataset using various ...
22 · This dataset encompasses a comprehensive investigation of combined calendar and cycle aging in commercially available lithium-ion battery cells (Samsung …
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Sensitivity Analysis on the Parameters of Lithium‐Ion Battery DC Pulse …
From Figure 7, the lower the temperature, the greater the battery''s internal resistance, and the greater the rate of increase as the temperature decreases. When the battery pulse discharge is performed in the temperature range of -20°C to -8°C, the change rate of the internal resistance and current of the battery is relatively large . While ...
An Optimal Pulse Heating Strategy for Lithium-ion Batteries Based …
Battery internal heating technology could efficiently enhance the power supply capability of Lithium-ion batteries at low temperature. However, existing internal heating research …
A closed-loop control on temperature difference of a lithium-ion ...
A closed-loop control (CLC) on temperature difference of a battery cell by pulse heating in cold climates. • The temperature difference could be controlled approaching a target value without extra energy consumption. • A proper pulse width could eliminate the striking overshoot and undershoot of the temperature difference. •
Effect of Temperature on the High-Rate Pulse Charging of Lithium …
By adjusting the ambient temperature, heat dissipation conditions, and rest time, we studied the battery aging process at the average charging temperatures of …
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Sensitivity Analysis on the Parameters of Lithium‐Ion Battery DC …
Lithium-ion batteries (LIBs) require to be preheated under cold weather to restore performance, while DC pulse discharging is often considered a promising approach.
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Battery Test Manual For Electric Vehicles
INL/EXT-15-34184 Revision 3 Battery Test Manual For Electric Vehicles Jon P. Christopherson June 2015 Idaho National Laboratory Idaho Falls, Idaho 83415
Predicting battery impedance spectra from 10-second pulse tests …
Single-perturbation-cycle online battery impedance spectrum measurement method with closed-loop control of power converter IEEE Trans. Ind. Electron. 2017; 64 :7019-7029 Crossref
Charging control strategies for lithium‐ion battery packs: Review …
An extra circuit in pulse chargers can control pulse width and period to improve efficiency and make charging faster. ... To determine the duty in a commercial battery pulse charge system, a duty-varied voltage pulse ... factors affecting battery health such as temperature rise, side reactions rate, and so on are needed to be considered. …
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