investigates the effect of various pulsed current charging modes, i.e., Positive Pulsed Current (PPC) mode, Pulsed Current-Constant Current (PCCC) mode, Negative Pulsed Current (NPC) mode, Alternating Pulsed Current (APC) mode, Sinusoidal-Ripple Current (SRC) mode, and Alter-nating Sinusoidal-Ripple Current (ASRC) mode on battery performance
Customer Servicecycles, the current-rates (C-rates), and ambient temperatures were considered in order to obtain a clear impact of the pulsed current on the battery performance during charging. Compared with
Customer ServiceThis article systematically investigates the effect of various pulsed current charging modes, i.e., positive pulsed current mode, pulsed current-constant current mode,
Customer ServiceThe overall objective of this work is to experimentally investigate the impact of certain current pulse profiles on the electrical performance of Li-ion batteries. The results highlight a
Customer ServiceIn this paper, a battery cell was charged by applying a 0.05 Hz pulsed current. Different duty cycles, the current-rates (C-rates), and ambient temperatures were considered in order to obtain a clear impact of the pulsed current on the battery performance during charging. Compared with the constant 2021 IEEE Energy Conversion Congress and
Customer ServiceThe overall objective of this work is to experimentally investigate the impact of certain current pulse profiles on the electrical performance of Li-ion batteries. The results highlight a detrimental impact of periodic pulses on the cell performance compared to profiles with constant current.
Customer ServiceWhile heat exposure does temporarily increase battery capacity the damage that it does to the lifecycle can cause long term problems and prolonged heat exposure should be avoided. Effects of Cold. Prolonged exposure to cold
Customer ServiceIn this paper, a battery cell was charged by applying a 0.05 Hz pulsed current. Different duty cycles, the current-rates (C-rates), and ambient temperatures were considered
Customer ServiceWe''ll delve into the key factors that impact battery performance, including temperature, humidity, age, overcharging, and depth of discharge. We''ll also discuss how battery performance is tested and measured, and highlight some of the current and upcoming advancements in battery technology. Whether you''re a tech enthusiast or just curious about
Customer ServiceTo advance understanding of how AC may influence the ageing of Li-ion batteries (LIBs), this work uses electrochemical impedance spectroscopy to investigate the interaction of AC with key aspects of LIB operation (charge-transfer, properties of the solid electrolyte interphase, and lithium-ion diffusion), along with analysis of capacity performa...
Customer ServiceThis paper documents an experimental investigation that studies the long-term impact of current ripple on battery performance degradation. Initial results highlight that both capacity fade...
Customer ServiceThis study investigates the influence of alternating current (ac) profiles on the lifetime of lithium-ion batteries. High-energy battery cells were tested for more than 1500
Customer ServiceBy varying the duty cycles, the current rates (C-rates) and ambient temperatures obtained a transparent impact of the pulsed current on the battery performance during charging.
Customer Servicecycles, the current-rates (C-rates), and ambient temperatures were considered in order to obtain a clear impact of the pulsed current on the battery performance during charging. Compared with the constant current, the pulsed current can improve the charging capacity and decrease the maximum rising temperature by 30.63% and 60.3%, respectively
Customer ServiceThis article systematically investigates the effect of various pulsed current charging modes, i.e., positive pulsed current mode, pulsed current-constant current mode, negative pulsed current mode, alternating pulsed current mode, sinusoidal-ripple current mode, and alternating sinusoidal-ripple current mode on battery performance. Moreover, a
Customer ServiceSecondly, it uncovers the specific causes of cell failure, particularly during battery long-term intermittent overcharging, which provide crucial information for optimizing cell designs and improving battery performance. Finally, a method is proposed to predict battery failure caused by intermittent overcharging by monitoring abnormal changes
Customer ServiceThis study investigates the influence of alternating current (ac) profiles on the lifetime of lithium-ion batteries. High-energy battery cells were tested for more than 1500 equivalent full cycles to practically check the influence of current ripples. The applied load profiles consisted of a constant current with superimposed ac frequencies
Customer Serviceexperimental investigation of the impact of specific load profiles on battery performance is a part of this context. The objective is to increase Li-ion batteries performance in its widest sense by
Customer ServiceTo advance understanding of how AC may influence the ageing of Li-ion batteries (LIBs), this work uses electrochemical impedance spectroscopy to investigate the
Customer ServiceThey investigated the impact of heat generation, current collectors, and resistance on the thermal and electrochemical variables distributions in three-dimension. They found a difference of 1.7 °C between battery surface and core temperature for 5 C-rate. Ziat et al. investigated experimentally on 60 Ah Li-ion battery during consecutive charge and discharge
Customer Serviceexperimental investigation of the impact of specific load profiles on battery performance is a part of this context. The objective is to increase Li-ion batteries performance in its widest sense by a better understanding of their internal mechanisms. In particular, this work aims to experimentally
Customer ServiceThis paper documents an experimental investigation that studies the long-term impact of current ripple on battery performance degradation. Initial results highlight that both capacity fade...
Customer ServiceImpact of high-amplitude alternating current on LiFePO 4 battery life performance: Investigation of AC-preheating and microcycling effects Author links open overlay panel Alireza Ghassemi a, Anthony F. Hollenkamp b,
Customer ServiceThis paper documents an experimental investigation that studies the long-term impact of current ripple on battery performance degradation. A novel test environment has been designed to thermally manage the cells to 25 °C while simultaneously exciting the cells with a coupled DC and AC load profile that is representative of real-world vehicle use.
Customer ServicePCM absorbs vibrations, minimizing their impact on battery performance, The role of phase change materials in lithium-ion batteries: a brief review on current materials, thermal management systems, numerical methods, and experimental models. J. Storage Mater., 63 (2023), Article 107061. View PDF View article View in Scopus Google Scholar [13] H. Shi, et
Customer ServiceTemperature, as a critical factor, significantly impacts on the performance of lithium-ion batteries and also limits the application of lithium-ion batteries. Moreover, different temperature conditions result in different adverse effects. Accurate measurement of temperature inside lithium-ion batteries and understanding the temperature effects are important for the
Customer ServiceThis paper documents an experimental investigation that studies the long-term impact of current ripple on battery performance degradation. A novel test environment has been designed to thermally manage the cells to 25 °C while simultaneously exciting the cells with a
Customer Serviceinvestigates the effect of various pulsed current charging modes, i.e., Positive Pulsed Current (PPC) mode, Pulsed Current-Constant Current (PCCC) mode, Negative Pulsed Current (NPC)
Customer ServiceThe effects of high frequency current ripple on electric vehicle battery performance Kotub Uddin⇑, Andrew D. Moore, Anup Barai, James Marco WMG, International Digital Laboratory, The University of Warwick, Coventry CV4 7AL, UK highlights Experimental study into the impact of current ripple on li-ion battery degradation.
Customer ServiceThe results highlight a detrimental impact of periodic pulses on the cell performance compared to profiles with constant current. Pulse charging and pulse discharging have been reported by many authors in the literature to improve the performance of various secondary electrochemical cells. Only a few authors mentioned the effects of such charge and
Customer ServiceFirst, the effect of different current modes at a frequency of 1 Hz on the battery performance is analyzed by the experi-mental results presented in Table IV. The influence, from small to large, of the four pulse current modes on the discharging capacity, is PCCC, PPC, NPC, and APC.
However, other studies claim that the pulsed current charging has a negative impact on the charging performance and lifetime of Li-ion batteries , . Moreover, the dif-ference in the current parameters, e.g., frequency, amplitude, and current direction, could also cause opposite effects on the battery performance , .
This paper documents an experimental investigation that studies the long-term impact of current ripple on battery performance degradation. A novel test environment has been designed to thermally manage the cells to 25 °C while simultaneously exciting the cells with a coupled DC and AC load profile that is representative of real-world vehicle use.
In this regard, the charge/discharge current profile plays a critical role in battery ageing behaviour . As the charging and discharging of batteries is, by definition, determined by the DC components of current, investigations into the ageing of LIBs have naturally focused on the DC components, and this has resulted in numerous studies .
For each investigated charging current mode, a lower frequency can obtain the results of a higher discharging capacity, longer charging time, and higher rising temperature. Nonetheless, the changes in the frequency of the current mode have a negligible difference in these battery performances.
Once all of the results were collected, we had two main observations. The first one was that the most impacting parameter of the pulse profile on the battery performance was the form factor F, which is defined as the ratio between the RMS current and the mean current for a given profile (2).
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