Oct 10, 2023 · Understanding the contribution of internal direct current resistance (DCR) is crucial to the design and optimization of lithium-ion batteries (LIBs). However, the complex dynamic
Jun 1, 2022 · Equivalent circuit models (ECMs) have been widely used to describe the electrical dynamics of lithium-ion batteries. A high model accuracy is important for effective simulation
Jul 7, 2023 · In the last 3 years, cylindrical cells have gained strong relevance and popularity among automotive manufacturers, mainly driven by innovative cell designs, such as the Tesla
Aug 15, 2025 · Abstract Heat dissipation issues, particularly at high discharge rates, constrain the safe use of Li-ion batteries, making effective thermal management essential. This study
Aug 1, 2023 · Abstract In this work, a new quasi-steady state heat guarding measurement method for the thermophysical parameters of cylindrical batteries is proposed. The effectiveness of the
Sep 1, 2022 · Recent parameterisations of commercial cells only considered batteries with electrodes less than 55 µm [17, 19]. Previous work has compared differences in energy vs
Dec 1, 2024 · Abstract Increasing the size of cylindrical lithium-ion batteries (LIBs) to achieve higher energy densities and faster charging represents one effective tactics in nowadays
Mar 1, 2023 · The adaptive Kriging method is used to establish the thermal reliability performance function model and assess the thermal reliability of the lithium-ion battery. Additionally, in order
Jan 26, 2025 · In this numerical study, the authors aim to explore the cooling efficiency of various cylindrical and prismatic cell battery configurations for a wide range of Reynolds numbers.
Jul 1, 2025 · For the modeling of cylindrical lithium-ion batteries, detailed structural models [7] including cathode material, cathode material, diaphragms, and shells can more accurately
Sep 1, 2022 · To accurately predict the lifetime of commercial cells, multi-physics models can be used, however the accuracy of the model is heavily reliant upon the quality of the input
Jun 3, 2023 · This paper investigates 19 Li-ion cylindrical battery cells from four cell manufacturers in four formats (18650, 20700, 21700, and 4680). We aim to systematically capture the design
4 days ago · Thermal dynamics in cylindrical Li-ion batteries, governed by electrochemical heat generation, are critical to performance and safety in high-power applications such as electric
Jun 15, 2021 · Abstract. Lithium-ion batteries suffer severe performance degradation and exhibit highly nonlinear characteristics under low-temperature environments. Determining the
Dec 10, 2022 · The presented review aims to summarise all the past published research which describes the parameters that influence performance in lithium-ion batteries. During this
Feb 1, 2022 · The effect of electrode thickness on the 18,650-sized cylindrical battery performance was quantitatively evaluated using the parameters of energy efficiency, capacity, energy, and
Dec 11, 2024 · Abstract: Cylindrical lithium-ion battery is now widely applied in electric vehicles as power energy but still with inevitable risk of internal short-circuit accompanied by catastrophic
Dec 14, 2020 · In order to avoid any issues related to the thermal behavior of the batteries, efficient thermal management systems are required. Therefore, a ther-mal characterization of
Sep 25, 2024 · The lithium-ion battery (LIB) is a promising energy storage system that has dominated the energy market due to its low cost, high specific capacity, and energy density,
The methods will be developed aiming to measure the thermal parameters of cylindri-cal Li-ion cells, such as axial and radial thermal conductivities, and specific heat capacity. The main focus of this work is to experimentally determine the thermal parameters of a cylindrical Li-ion cell.
This paper investigates 19 Li-ion cylindrical battery cells from four cell manufacturers in four formats (18650, 20700, 21700, and 4680). We aim to systematically capture the design features, such as tab design and quality parameters, such as manufacturing tolerances and generically describe cylindrical cells.
Abstract. Lithium-ion batteries suffer severe performance degradation and exhibit highly nonlinear characteristics under low-temperature environments. Determining the electrical and thermal characteristics is of significant in battery thermal management optimization and electrochemical energy utilization.
A generic overview of designing cylindrical Li-ion battery cells. Function 1: Two types of jelly roll designs can be distinguished: With tabs and tabless. Jelly rolls with tabs can be realized with a single tab (Design A) or several tabs in a multi-tab design (Design B).
In addition to providing the information necessary for a 3D thermal model, the lithium concentration and temperature parameter dependencies are documented to enable more accurate model predictions by accounting for the local variability in performance during cell operation.
The obtained results showed a very good precision, and can be considered has a valuable contribution for thermal management of Li-ion battery packs, since the presented thermal parame-ters can be applied into further studies, helping to improve the battery management system as whole.
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