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An intelligent fault diagnosis method for lithium-ion battery pack ...
The cell faults of lithium-ion batteries will lead to the atypical deterioration of battery performance and even thermal runaway. In this paper, a novel fault diagnosis method for lithium-ion ...
Flow study on lithium-ion battery pack with air cooling
Lithium-ion batteries generate a lot of heat during charging and discharging. Rapid temperature rise in the battery system is one of the core factors that affect its performance. To avoid battery degradation and extend the lifespan of the battery pack system, it is essential to design an effective thermal management plan. We studied …
Full-scale experimental study on suppressing lithium-ion battery pack …
The full-scale experiments of EV fires were conducted in an open field. A schematic of the experimental rigs used in this study is shown in Fig. 2.The EV in the EVFE was converted from a saloon (2004 Buick Excelle or 2004 Volkswagen Bora), which was maintained in good conditions before the test.
Degradation in parallel-connected lithium-ion battery packs …
Here we present an experimental study of surface cooled parallel-string battery packs (temperature range 20–45°C), and identify two main opera- tional modes; convergent …
A Thermal Investigation and Optimization of an Air-Cooled Lithium …
An effective battery thermal management system (BTMS) is essential to ensure that the battery pack operates within the normal temperature range, especially for multi-cell batteries.
Experimental study on thermal runaway of fully charged and …
Semantic Scholar extracted view of "Experimental study on thermal runaway of fully charged and overcharged lithium-ion batteries under adiabatic and side-heating test" by Chunpeng Zhao et al. ... of state of charge inconsistency on electrical performance and thermal runaway characteristics in 2 serials 1 parallel lithium‐ion battery pack ...
Research on Inconsistency Evaluation of Retired Battery …
Inconsistency is a key factor triggering safety problems in battery packs. The inconsistency evaluation of retired batteries is of great significance to ensure the safe and stable operation of batteries during subsequent …
Joint Estimation of Inconsistency and State of Health …
Battery pack inconsistency and state of health are two key characteristics that need to be accurately estimated in the battery management system. A novel joint estimation method of these two states …
Modeling and control strategy optimization of battery pack …
The experimental setup (Fig. 6) is established to validate the accuracy of the liquid-cooled BTMS model.A total of 18 temperature measurement batteries are evenly spaced in the battery pack (Fig. 7), with temperature sensors on both the top and bottom of the battery.High-temperature-cooling experiments are performed to determine the precision …
Low complexity state-of-charge estimation for lithium-ion battery pack …
The lithium battery pack adopted during the study is designed to supply and store energy in a mild hybrid electric vehicle. The validation of the estimation method is performed by using real ...
Research on Inconsistency Identification of Lithium-ion Battery Pack ...
Request PDF | On May 10, 2021, Da Lin and others published Research on Inconsistency Identification of Lithium-ion Battery Pack Based on Operational Data | Find, read and cite all the research you ...
Experimental Study on Effects of Triggering Modes on Thermal …
As an important component of new energy vehicles, the safety of lithium-ion batteries has attracted extensive attention. To reveal the mechanism and characteristics of ternary lithium-ion batteries under different trigger modes, an experimental system was established. The effects of different trigger modes on battery surface temperature, …
Influence of the connection topology on the performance of lithium …
Hence, extensive research into pack modeling noted the effect of parameter variations on the performance of battery pack has been conducted. Using a simplified analytical circuit model, we previously investigated the correlations of parameter variations on current and state-of-charge (SoC) distributions within parallel-connected …
A multi-stage lithium-ion battery aging dataset using various ...
18 · While the primary aim was to validate the benefits of optimal experimental design in lithium-ion battery aging studies, this dataset offers extensive utility for …
Health condition assessment of satellite li-ion battery pack ...
Finally, starting from the sensing, modeling, testing, state estimation and management of the lithium-ion battery pack, the future developing trend and challenges of the state of health estimation ...
Performance evaluation of lithium battery pack …
To quantify the influence of temperature on the performance of the battery pack and to study the SOC inconsistency and temperature inconsistency, we need to use MATLAB to simulate the …
A novel battery pack inconsistency model and influence degree …
Then the aging characteristics of the battery pack are analyzed and the main results are as follow: (1) Weibull and normal distribution are feasible to fit the capacity and resistance distribution ...
Experimental study on 18650 lithium-ion battery-pack cooling …
Thermal performance investigation of an air-cooled lithium-ion battery pack considering the inconsistency of battery cells Appl. Therm. Eng., 153 ( 2019 ), pp. 596 - 603 View PDF View article View in Scopus Google Scholar
Study on battery pack consistency evolutions and equilibrium diagnosis ...
Considering that the inconsistency parameters significantly impact the battery pack''s performance [8][9] [10] [11], it is necessary to build an inconsistency model when simulating the output ...
Analysis on the capacity degradation mechanism of a series lithium …
Therefore, in this study, based on a lithium-ion battery degradation test, the Wiener process is used to analyze the reliability of four basic configurations of lithium-ion battery packs.
Joint Estimation of Inconsistency and State of Health …
Battery packs are applied in various areas (e.g., electric vehicles, energy storage, space, mining, etc.), which requires the state of health (SOH) to be accurately estimated. Inconsistency, also known as …
Experimental and numerical studies on lithium-ion battery heat ...
Current cooling methods for battery systems include air cooling, liquid cooling (Sirikasemsuk et al., 2021, Wiriyasart, 2020, Jang et al., 2022) and phase change material cooling, but the main cause of thermal runaway in battery packs is the unreasonable control of individual battery heat sources so it is especially important to …
Active balancing strategy for AUV power battery pack based on …
2 · In this paper, the battery inconsistency equalization strategy is investigated and a novel fusion model based on equivalent circuit models is proposed. The three …
Study on battery pack consistency evolutions and equilibrium …
This study outlines efforts to model pack SoH and SoH CtCV of nickel-cobalt-aluminum (NCA) and lithium-iron-phosphate (LFP) battery packs consisting of …
Consistency evaluation and cluster analysis for lithium-ion battery ...
Besides, due to the upsizing and unitized physical structure, the heat distribution in the battery pack is disequilibrium. The adverse factors directly lead to the inconsistent aging rate between the cells, which further aggravates the pack inconsistency [9,10]. The pack inconsistency may cause the following hazards [[11], [12], [13], [14]].
Research on Inconsistency Identification of Lithium-ion Battery …
In this paper, the qualitative relationship between the voltage variation of lithium-ion battery and the cell capacity and SOC is firstly analyzed, and then an inconsistent cell …