Stress and its influencing factors in positive particles of lithium‐ion battery during charging

Li, Qingfeng; Wang, Yanan; Li, Hua; Chen, Lian; Wang, Zhengkun

doi:10.1002/er.6044

Cited by 9 publications

(7 citation statements)

References 41 publications

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“…Despite the fact that these algorithms are easy and straightforward to implement, the feedback of battery state and health-related optimization parameters are neglected during the charging process, which causes charging process degradation [33][34][35]. In general, the available lithium-ion battery non-feedback-based charging strategies can be divided into four model-free methodology classes, including traditional, fast, optimized, and electrochemical-parameter-based (EP-based) charging approaches as shown in Figure 3 [36][37][38][39][40].…”

Section: Non-feedback-based Charging Methodsmentioning

confidence: 99%

Charging control strategies for lithium‐ion battery packs: Review and recent developments

Ghaeminezhad

Monfared

2021

IET Power Electronics

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The expanding use of lithium-ion batteries in electric vehicles and other industries has accelerated the need for new efficient charging strategies to enhance the speed and reliability of the charging process without decaying battery performance indices. Numerous attempts have been conducted to establish optimal charging techniques for commercial lithium-ion batteries during the last decade. However, a few of them are devoted to the comprehensive analysis and comparison of the charging techniques from the controloriented perspective for a battery pack. To fill this gap, a review of the most up-to-date charging control methods applied to the lithium-ion battery packs is conducted in this paper. They are broadly classified as non-feedback-based, feedback-based, and intelligent charging methods. Finally, the paper concludes with a comprehensive discussion of the strengths and weaknesses of the reviewed techniques. INTRODUCTIONRenewable and clean energy sources are necessary to assist in developing sustainable power that supplies plenty of possible innovative technologies, such as electric vehicles (EVs), solar and wind power systems [1,2]. They must reduce our current reliance on some limited sources of energy such as fossil fuel and uranium to alleviate worries about energy, environment, and economy [3]. Consequently, the need for storage has raised up dramatically while rechargeable electrochemical batteries are employed in practically every energy storing device [4].Recent advancements in lithium-ion batteries demonstrate that they exhibit some advantages over other types of rechargeable batteries, including greater power density and higher cell voltages, lower maintenance requirements, longer lifetime, and faster-charging speeds with lower self-discharge rates [5,6]. However, some drawbacks limit the broad adaption of the lithium-ion batteries, associated explicitly with their high cost, short life-cycle, constrained performance temperature, and possible safety infractions caused by overcharge, over-discharge, short circuit, and production defects [5,7]. In addition, a single lithium-ion cell's voltage is limited in the range of 2.4-4.2 V [8], which is not enough for high voltage demand in practical applications; hence, they are usually connected in series as aThis is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Section: Non-feedback-based Charging Methodsmentioning

confidence: 99%

Charging control strategies for lithium‐ion battery packs: Review and recent developments

Ghaeminezhad

Monfared

2021

IET Power Electronics

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“…34,[38][39][40][41][42] Wu et al discussed the particle interactions affecting the chemical potential and charge transfer rate, since the surrounding constraint changes the hydrostatic stress at the particle surface. 43,44 Although significant efforts have been made to address mechanical response at the electrode of Li-ion batteries, [45][46][47] studies that include both the effects of stresspotential coupling and external constraints are rarely found in the literature. To evaluate the stress generation more precisely, we develop a multiparticle cell model that simultaneously considers the stress-potential coupling effect, and particle-particle and particle-binder interactions.…”

Section: Introductionmentioning

confidence: 99%

“…Although significant efforts have been made to address mechanical response at the electrode of Li‐ion batteries, 45‐47 studies that include both the effects of stress‐potential coupling and external constraints are rarely found in the literature. To evaluate the stress generation more precisely, we develop a multiparticle cell model that simultaneously considers the stress‐potential coupling effect, and particle‐particle and particle‐binder interactions.…”

Section: Introductionmentioning

confidence: 99%

Inhomogeneous stress development at the multiparticle electrode of lithium‐ion batteries

Ali

Iqbal

Lee

2021

Intl J of Energy Research

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The active particle at the electrode of Li-ion batteries is surrounded by other particles and binders. During the lithiation/delithiation process, these surrounding materials mechanically constrain expansion and contraction of the particle. Since electrochemical and mechanical responses mutually influence each other, the constraining condition can finally affect cell performance. In this paper, we investigate the mechanical and electrochemical responses at the particle and cell levels with consideration of the coupling effect of electrochemistry and mechanics. To study the effect of mechanical constraints on cell

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“…Volume deformation and stress generation in spherical electrode particles induced by Li + intercalation/de-intercalation have been simulated using elastic-plastic models. [32][33][34] Li et al 34 have built up a mesoscopic electrochemical-mechanical coupling model to investigate the strain of electrode particles during charging, but the simulation results lacked experimental validation. A thermally coupled physicochemical model was developed by Rieger et al [35][36][37] to simulate the displacement of a commercial pouch lithium-ion battery.…”

Section: Introductionmentioning

confidence: 99%

“…Mathematical models have been developed to simulate the volume deformation of electrode materials and lithium‐ion batteries. Volume deformation and stress generation in spherical electrode particles induced by Li + intercalation/de‐intercalation have been simulated using elastic‐plastic models 32‐34 . Li et al 34 have built up a mesoscopic electrochemical–mechanical coupling model to investigate the strain of electrode particles during charging, but the simulation results lacked experimental validation.…”

Section: Introductionmentioning

confidence: 99%

A practical approach to predict volume deformation of lithium‐ion batteries from crystal structure changes of electrode materials

et al. 2020

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Volume deformation of lithium-ion batteries is inevitable during operation, affecting battery cycle life, and even safety performance. Accurate prediction of volume deformation of lithium-ion batteries is critical for cell development and battery pack design. In this paper, a practical approach is proposed to predict the volume deformation of lithium-ion batteries. In the proposed method, the deformation of a full cell is determined as the superposition of the thickness changes of cathodes and anodes, which are induced by the expansion/ contraction of crystal structure during lithiation/de-lithiation. The electrodes' crystal volume changes are calculated based on the evolution of lithium stoichiometry in cathode and anode, which can be identified through the reconstruction of the battery charging voltage profile. Finally, the thickness changes of cathode and anode as well as the deformation of the full cell are predicted. The proposed method can achieve accurate predictions of the deformations of lithium-ion batteries with various chemistries, with the predicted errors less than 10%. Moreover, the proposed method can help to interpret the differences in deformation profiles of batteries with different chemistries, and provide useful guidance for cell development.

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Stress and its influencing factors in positive particles of lithium‐ion battery during charging

Cited by 9 publications

References 41 publications

Charging control strategies for lithium‐ion battery packs: Review and recent developments

Charging control strategies for lithium‐ion battery packs: Review and recent developments

Inhomogeneous stress development at the multiparticle electrode of lithium‐ion batteries

A practical approach to predict volume deformation of lithium‐ion batteries from crystal structure changes of electrode materials

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