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Energy storage systems based on Lithium-ion batteries have been proposed as an environmental friendly alternative to traditional conventional generating units for providing grid frequency regulation. One major challenge regarding the use of Lithium-ion batteries in such applications is their cost competitiveness in comparison to other storage technologies or with the traditional frequency regulation...
This paper presents the aging test results of a 100Ah prismatic LiFeMnPO4 battery cell at low temperatures. Accelerated aging tests have been carried out on 4 cells to address the effect of cold temperatures on Lithium-ion (Li-ion) batteries. Three of them were aged through a normalized driving cycle at three temperature tests (−20°C, 0°C and 25°C). The calendar test was carried out on one single...
This paper presents a methodology for modelling the capacity loss of Lithium ion cells in accelerated ageing tests. We have considered the state-of-charge drift during calendar ageing tests due to irreversible capacity losses.
This paper presents a real-time capable battery aging estimation to enhance state-of-the-art eco-driving concept with battery maintenance strategy for potentially advancing electric vehicles (EV) sustainability. This methodology focuses not only on estimating battery aging according to the input parameters during driving and resting period but also optimizing withdrawn battery power. This is derived...
Due to the dynamic conditions during the driving operation with rarely deep discharging, the on-board evaluation of the total capacity of the battery pack in a plug-in hybrid electric vehicle (PHEV) and electric vehicle (EV) is one of the most challenging tasks of a battery management system (BMS). In fact, the rapid dynamic variation of the current rate, the unsteady ambient temperature and stand...
Battery lifetime prognosis is a key requirement for successful market introduction of rechargeable Energy Storage Systems (ESS) based on lithium-ion (Li-ion) technology. In order to make decisions at the system design stage, a procedure for making efficient predictions of battery performance over time is necessary to be developed. In this paper, a general methodology for the evaluation of lifetime...
To predict the remaining useful life (RUL), commercially available lithium-ion cells of 63 Ah with nickel manganese cobalt oxide (NMC) cathode material underwent cycle life ageing tests at different current rates (C) and temperature. The key performance parameters such cell capacity, discharge capability and impedance were measured for fresh and aged cells to evaluate the RUL of the cells. The results...
This paper presents a novel failure prediction testing technique that is applicable for system-on-chips (SoCs). Highly reliable systems such as automobiles, aircraft or medical equipments would not allow any interruptive erroneous responses during a system operation, which might result in catastrophe. Therefore, we propose a failure prediction delay testing technique that is applied during the time...
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