Dendrite growth model in battery cell combining electrode edge effects and stochastic forces into a Diffusion Limited Aggregation scheme

Failla, Roberto; Bologna, Mauro; Tellini, Bernardo

doi:10.1016/j.jpowsour.2019.05.081

Cited by 9 publications

(6 citation statements)

References 17 publications

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“…b) The arrangement of the cell (imaged in the z , y plane) within the magnetic field ( B 0 ), this orientation is conserved throughout all the images. The traditional, intensity, Knight shift 23 Na MRI images of the c) pristine cell and d) cell after short‐circuit containing a dendritic growth (highlighted) at the edge of the cell, which is consistent with ion migration along the electric field lines [11] . The equivalent gradient‐echo intensity images are given in Figure S4.…”

Section: Figuresupporting

confidence: 53%

Imaging Sodium Dendrite Growth in All‐Solid‐State Sodium Batteries Using ²³Na T₂‐Weighted Magnetic Resonance Imaging

et al. 2020

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Two-dimensional, Knight-shifted, T 2-contrasted 23 Na magnetic resonance imaging (MRI) of an all-solid-state cell with a Na electrode and a ceramic electrolyte is employed to directly observe Na microstructural growth. A spalling dendritic morphology is observed and confirmed by more conventional post-mortem analysis; X-ray tomography and scanning electron microscopy. A significantly larger 23 Na T 2 for the dendritic growth, compared with the bulk metal electrode, is attributed to increased sodium ion mobility in the dendrite. 23 Na T 2-contrast MRI of metallic sodium offers a clear, routine method for observing and isolating microstructural growths and can supplement the current suite of techniques utilised to analyse dendritic growth in all-solid-state cells.

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Section: Figuresupporting

confidence: 53%

Imaging Sodium Dendrite Growth in All‐Solid‐State Sodium Batteries Using ²³Na T₂‐Weighted Magnetic Resonance Imaging

et al. 2020

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“…The original research on the interfacial growth returns back to the analysis of the interface stability 44,45 and exploring the spherical diffusion where the optimum interface radius for the maximum growth rate is estimated, 28 and later studies have complemented it via utilization of over-potential via inclusion of the curvature effect. 46 More recent works on the dendritic growth have explored the interface stability, 47 transport anisotropy, 48,49 temperature, 18 transient evolution of concentration in the dendrite tip 39,50,51 and the larger cell domain, [52][53][54] surface conduction, 55 larger-scale geometry of the electrodes, 56 cracking, 57 phase field modeling [58][59][60][61][62] and effect of the elastic (mechanical) deformation. 12 One of the main attributes of the dendrite growth, which could control the feeding rate of the ions is the solid electrolyte interphase (SEI), produced from the passivation of the electrolytic compounds on the growing interface.…”

Section: List Of Symbolsmentioning

confidence: 99%

Linearized Tracking of Dendritic Evolution in Rechargeable Batteries

Aryanfar¹

2022

J. Electrochem. Soc.

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The formation of dendritic microstructures during electrodeposition is a complex process depending on several physical/chemical parameters. Here, we establish an analytical framework for tracking the one-dimensional dendritic interface based on the asynchronous developments in the concentration C and the electric potential V . Comparing the dynamics of the interface versus the ions, we establish linearized forms of the concentration C and the electric potential V during the quasi-steady-state evolution. Subsequently, we investigate the potentiostatic (V0) and galvanostatic (i0) conditions, where we have analytically attained the dependent parameters (i or V ) and justified their respective variations in the binary electrolyte. Consequently, we have quantified the role of original concentration C0, the inter-electrode potential V0, the electrolyte diffusivity D, and the inter-electrode separation l on the value and growth rate of the dendritic interface. In particular, for the given infinitesimal dendritic growth, we have shown a higher efficacy for the electromigration than the diffusion, especially during the instigation period of the electrodeposition.

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“…Indeed, there are plenty of studies have been done on understanding the growth behaviors of deposited cathodes, including the multiple factors that might affect the electrodeposition, for example, the stress in SEI film, the surface geometry of the electrode, overpotential, etc. [ 18,35–37 ] For example, Kushima observed the overpotential‐controlled competitive dendrites growth mechanisms, that is, the Eden‐like surface cluster growth and stress‐released root growth. [ 37 ] The root growth mechanism can be summarized as an alternating process of stress‐accumulation during nucleation and stress‐release‐induced SEI punctured (Figure 4b).…”

Section: The Principles Of Homogeneously Na Depositionmentioning

confidence: 99%

Homogeneous Na Deposition Enabling High‐Energy Na‐Metal Batteries

Xia

Zhong

et al. 2021

Adv Funct Materials

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Sodium (Na) metal as an anode is one of the ultimate choices for the high‐energy rechargeable batteries in virtue of its intrinsic high theoretical capacity (1166 mAh g−1) and low redox potential (−2.71V vs standard hydrogen electrode (SHE)), as well as its low cost and broad sources. Nevertheless, the dendrite‐related hazards seriously block its practical application. Na dendrite formation mainly emanates from the uncontrolled Na deposition behavior. Therefore, it seems particularly important to employ appropriate strategies towards the homogeneous deposition of Na for the dendrite‐free metal anode. In this review, the challenge of regulating Na homogeneous deposition for dendrite‐free Na anodes is first discussed. Then, recent advances in the strategies of regulating the Na uniform deposition are summarized, including adjusting Na+ flux near the solid‐liquid interface and improving sodiophilicity on the biphase interface. Lastly, perspectives on further research and important factors toward the practical application of high‐energy‐density Na metal batteries are emphasized in detail.

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Dendrite growth model in battery cell combining electrode edge effects and stochastic forces into a Diffusion Limited Aggregation scheme

Cited by 9 publications

References 17 publications

Imaging Sodium Dendrite Growth in All‐Solid‐State Sodium Batteries Using ²³Na T₂‐Weighted Magnetic Resonance Imaging

Imaging Sodium Dendrite Growth in All‐Solid‐State Sodium Batteries Using ²³Na T₂‐Weighted Magnetic Resonance Imaging

Linearized Tracking of Dendritic Evolution in Rechargeable Batteries

Homogeneous Na Deposition Enabling High‐Energy Na‐Metal Batteries

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Dendrite growth model in battery cell combining electrode edge effects and stochastic forces into a Diffusion Limited Aggregation scheme

Cited by 9 publications

References 17 publications

Imaging Sodium Dendrite Growth in All‐Solid‐State Sodium Batteries Using 23Na T2‐Weighted Magnetic Resonance Imaging

Imaging Sodium Dendrite Growth in All‐Solid‐State Sodium Batteries Using 23Na T2‐Weighted Magnetic Resonance Imaging

Linearized Tracking of Dendritic Evolution in Rechargeable Batteries

Homogeneous Na Deposition Enabling High‐Energy Na‐Metal Batteries

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Imaging Sodium Dendrite Growth in All‐Solid‐State Sodium Batteries Using ²³Na T₂‐Weighted Magnetic Resonance Imaging

Imaging Sodium Dendrite Growth in All‐Solid‐State Sodium Batteries Using ²³Na T₂‐Weighted Magnetic Resonance Imaging