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| Hauptseite > Publikationsdatenbank > A modified pseudo-steady-state analytical expression for battery modeling > print |
| Hauptseite > Publikationsdatenbank > A modified pseudo-steady-state analytical expression for battery modeling > print |
| 001 | 864382 | ||
| 005 | 20240709082041.0 | ||
| 024 | 7 | _ | |a 10.1016/j.ssc.2019.04.011 |2 doi |
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| 100 | 1 | _ | |a Chayambuka, K. |0 P:(DE-HGF)0 |b 0 |
| 245 | _ | _ | |a A modified pseudo-steady-state analytical expression for battery modeling |
| 260 | _ | _ | |a New York, NY [u.a.] |c 2019 |b Elsevier Science |
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| 520 | _ | _ | |a The solid-state spherical diffusion equation with flux boundary conditions is a standard problem in lithium-ion battery simulations. If finite difference schemes are applied, many nodes across a discretized battery electrode become necessary, in order to reach a good approximation of solution. Such a grid-based approach can be appropriately avoided by implementing analytical methods which reduce the computational load. The pseudo-steady-state (PSS) method is an exact analytical solution method, which provides accurate solid-state concentrations at all current densities. The popularization of the PSS method, in the existing form of expression, is however constrained by a solution convergence problem. In this short communication, a modified PSS (MPSS) expression is presented which provides uniformly convergent solutions at all times. To minimize computational runtime, a fast MPPS (FMPPS) expression is further developed, which is shown to be faster by approximately three orders of magnitude and has a constant time complexity. Using the FMPSS method, uniformly convergent exact solutions are obtained for the solid-state diffusion problem in spherical active particles. |
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| 700 | 1 | _ | |a Notten, Peter H. L. |0 P:(DE-Juel1)165918 |b 3 |e Corresponding author |u fzj |
| 773 | _ | _ | |a 10.1016/j.ssc.2019.04.011 |g Vol. 296, p. 49 - 53 |0 PERI:(DE-600)1467698-9 |p 49 - 53 |t Solid state communications |v 296 |y 2019 |x 0038-1098 |
| 856 | 4 | _ | |y Published on 2019-04-24. Available in OpenAccess from 2021-04-24. |u https://juser.fz-juelich.de/record/864382/files/Chayambuka_Quasi_steady_state_modeling_2018_SScom.pdf |
| 856 | 4 | _ | |y Published on 2019-04-24. Available in OpenAccess from 2021-04-24. |x pdfa |u https://juser.fz-juelich.de/record/864382/files/Chayambuka_Quasi_steady_state_modeling_2018_SScom.pdf?subformat=pdfa |
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