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An Active Equalization Method for Cascade Utilization Lithium-Ion Battery Pack …
Abstract. With the rapid development of new energy vehicles, a large number of lithium batteries have been produced, used, and then retired. The full utilization and safe use of the whole life cycle of the batteries have become a hot topic in the research field. Compared to brand-new batteries, retired power batteries exhibit significant …
Advancement of lithium-ion battery cells voltage equalization …
Many lithium-ion battery cells are usually connected in series to meet the voltage requirements. ... to equalize all the cells of a battery pack. The circuit diagram of a typical single- and multi-inductor cell equalizeris shown in Fig. 8, Fig. 9 [57] uses 2n ...
Online internal short circuit detection method considering equalization electric quantity for lithium‐ion battery pack …
DOI: 10.1002/er.6315 Corpus ID: 233592373 Online internal short circuit detection method considering equalization electric quantity for lithium‐ion battery pack in electric vehicles Internal short circuit (ISC) of lithium‐ion battery is one of the most common reasons for ...
Active Cell Equalization Topologies Analysis for Battery Packs: A …
Request PDF | Active Cell Equalization Topologies Analysis for Battery Packs: A Systematic Review | With the increasing use of rechargeable lithium-ion battery packs in numerous applications, it ...
Effects analysis on active equalization control of lithium-ion batteries based on intelligent estimation …
This algorithm is implemented in series-connected battery cells of 15.5 Ah and 3.7 V nominal each using a battery monitoring integrated circuit for monitoring and equalization of an 8-cell battery pack using a bidirectional flyback dc …
Batteries | Free Full-Text | Active Methods for the Equalization of …
This paper reviews battery equalization systems and various active equalization circuits and summarizes the working principle and research progress of …
A review of equalization topologies for lithium-ion battery packs
Battery equalization technology is a key technique in the research of electrochemical energy storage system. It balances the state of charge (SOC) of cells in series-connected battery packs using the power electronic converters to improve the life of battery packs significantly. In this paper, the equalization approaches for series …
Active equalization control method for battery pack based on …
DOI: 10.1016/j.est.2024.111361 Corpus ID: 269133970 Active equalization control method for battery pack based on Double-DQN @article{Lu2024ActiveEC, title={Active equalization control method for battery pack based on Double-DQN}, author={Chenlei Lu and Dongji Xuan and Shengnan Liu and Jiaqi Tan and Haoqin Hu and Zehao Kang and …
Balancing Topology Research of Lithium-Ion Battery Pack
posed a battery equalization topology based on zero current switching capacitor, which overcomes the shortcomings of the traditional capacitor equalization circuit, such as high switching loss, low conduction efficiency and small voltage in the battery pack. 3.2
Fast Equalization for Lithium Ion Battery Packs Based on …
Abstract: This paper proposes a fast equalization method for lithium-ion battery packs based on reconfigurable battery structure and designs a new switching circuit topology. …
Research progress of energy equalization topology of power lithium battery pack
The proposed circuit works as an equalizer when Lithium-ion battery pack is charging or discharging or standing idle. Theoretical analysis and control method have been finished, respectively.
Applied Sciences | Free Full-Text | Active Equalization of Lithium-Ion Battery …
The equalization technique is a key technique in the secondary utilization of retired batteries. In this paper, a double-layer equalization method is proposed, which combines the reconfigurable topology with the converter active equalization method. The inner layer uses the reconfigurable topology to have a balanced set of battery cells. …
A Novel Active Equalization Topology for Series-Connected Lithium-ion Battery Packs …
A novel nondissipative two-stage equalization circuit topology based on the traditional buck–boost circuit is proposed to achieve balancing of series-connected lithium-ion battery packs with higher efficiency and less cost, considering the background on international energy issues and the development trend of battery balancing. A novel …
A multi‐module equalization system for lithium‐ion battery packs
Battery inconsistency in electric vehicles is an important factor causing battery capacity degradation and safety problems. Therefore, battery equalization technology plays an important role in improving the performance and safety of battery packs. Among the existing equalization technologies, passive equalization is inefficient …
Research on equalization strategy of lithium-ion batteries based …
The switching off of switch Q1 in the Cuk equalization circuit (CEC) is controlled by inputting the PWM signal, ... Equalization of lithium-ion battery pack based on fuzzy logic control in electric vehicle IEEE Trans. …
Active equalization for lithium-ion battery pack via data-driven …
Compared to passive equalization strategies, active equalization strategies can transfer the high energy of a cell to a lower energy one based on more …
Applied Sciences | Free Full-Text | Research on …
Effective balanced management of battery packs can not only increase the available capacity of a battery pack but reduce attenuation and capacity loss caused by cell inconsistencies and remove …
A quantitative method for early-stage detection of the internal-short-circuit in Lithium-ion battery pack …
Under float-charging conditions, the voltages of all cells in a pack tend to be the same. Then, at a certain moment, the ISC is triggered. 6 Although the overall voltage of the pack will not change under constant-voltage float-charging scenarios, the battery with ISC will exhibit a continuous voltage drop, while the voltages of the remaining normal …
Fast Equalization for Lithium Ion Battery Packs Based on Reconfigurable Battery Structure
This paper proposes a fast equalization method for lithium-ion battery packs based on reconfigurable battery structure and designs a new switching circuit topology. By adding PWM signals to the switching circuit, two internal structures of battery pack take turns to achieve the purpose of equalization. Without significantly increasing the number of …
Research Papers Research on equalization scheme of lithium-ion …
Intra-group equalization circuit 1 consists of p battery cells B 1 -B P, two sets of single-blade double-throw switches K 1 -K P and S 1 -S P, and a bidirectional …
Lithium-Ion Battery Cells Voltage Equalization Using Optimized Circuit Parameters …
Lithium-ion battery voltage equalization is of great importance to maximize the capacity of the whole battery pack and keep cells away from over-charge or over-discharge damage this paper, analysis of the working principle of the voltage equalization circuit shows that the speed of the lithium-ion battery cells voltage equalization can be accelerated with …
Model-based Design Methodology for Inductor-based …
This paper proposes a design methodology for inductor-based equalization circuits able to maximize their performance in terms of balancing current by taking into account relevant …