A self-discharge model of Lithium-Sulfur batteries based on direct shuttle current measurement
Vaclav Knap,Daniel Loan Stroe,Maciej Swierczynski,Rajlakshmi Purkayastha,Karsten Propp,Remus Teodorescu,Erik Schaltz +6 more
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TLDR
In this paper, a simple but comprehensive mathematical model of the Li-S battery cell self-discharge based on the shuttle current was developed and is presented The shuttle current values for the model parameterization were obtained from the direct shuttle current measurements.About:
This article is published in Journal of Power Sources.The article was published on 2016-12-30 and is currently open access. It has received 24 citations till now. The article focuses on the topics: Self-discharge & State of charge.read more
Figures
Figure 5. Battery currents during the constant voltage charging step at 35 °C. The shuttle current value is taken as the average of the last ten minutes interval. The integration area for the current at 2 % DOD used in FC2 is marked by blue stripes. 
Figure 8. The measured shuttle current values related to the open-circuit voltage values (at the side of the high voltage plateau). 
TABLE I. Considered and recomputed DOD values at 35 °C for fitting at various fitting cases. 
TABLE IV. Measured and estimated battery cell capacities and their absolute and relative errors for four validation cases with the self-discharge model parametrized based on FC2. 
TABLE III. Relative errors of validation cases for different fitting cases. 
Figure 1. Work flow scheme used for the self-discharge model derivation and validation.
Citations
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Journal ArticleDOI
Reference performance test Methodology for degradation assessment of lithium-sulfur batteries
Vaclav Knap,Daniel-Ioan Stroe,Rajlakshmi Purkayastha,Sylwia Walus,Daniel J. Auger,Abbas Fotouhi,Karsten Propp +6 more
TL;DR: In this paper, a Reference Performance Test (RPT) methodology for Li-S batteries is proposed to point out LiS battery features and provide guidance to users how to deal with them and possible results into standardization.
Journal ArticleDOI
Revealing the complex sulfur reduction mechanism using cyclic voltammetry simulation
Patrick Schön,Ulrike Krewer +1 more
TL;DR: In this paper, a physically motivated E3C4-mechanism was proposed to reproduce the top-down view and yields the simplest generic mechanism, that is able to reproduce electrochemical behavior.
Journal ArticleDOI
Towards online tracking of the shuttle effect in lithium sulfur batteries using differential thermal voltammetry
TL;DR: Li et al. as discussed by the authors used differential thermal voltammetry (DTV) to track polysulfide shuttle during Li-S charging, and demonstrated significant differences in the DTV curves for LiS cells charged at different currents and temperatures.
Journal ArticleDOI
Self-balancing feature of Lithium-Sulfur batteries
Vaclav Knap,Daniel-Ioan Stroe,Andreas Elkjær Christensen,Karsten Propp,Abbas Fotouhi,Daniel J. Auger,Erik Schaltz,Remus Teodorescu +7 more
TL;DR: In this article, a model for predicting the self-balancing effect of series-connected Li-S cells is proposed and validated by experiments, and the results confirm the selfbalancing feature of LiS cells and illustrate their dependence on various conditions such as temperature, charging limits and idling time at high SOC.
Journal ArticleDOI
Synthesis of PVDF/SiO2 nanofiber membrane using electrospinning method as a Li-ion battery separator
TL;DR: In this paper, the effect of the SiO2 nanoparticle addition to the PVDF nanofiber membrane to improve membrane characteristics which include porosity, temperature stability, mechanical strength and the stability of battery capacity were systematically investigated.
References
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Journal ArticleDOI
Polysulfide Shuttle Study in the Li/S Battery System
TL;DR: In this paper, the authors report a quantitative analysis of the shuttle phenomenon in Li/S rechargeable batteries and present experimental evidence that selfdischarge, charge-discharge efficiency, charge profile, and overcharge protection are all facets of the same phenomenon.
Journal ArticleDOI
Critical review of the methods for monitoring of lithium-ion batteries in electric and hybrid vehicles
TL;DR: In this paper, the methods for monitoring the battery state of charge, capacity, impedance parameters, available power, state of health, and remaining useful life are reviewed with the focus on elaboration of their strengths and weaknesses for the use in on-line BMS applications.
Journal ArticleDOI
Lithium sulfur batteries, a mechanistic review
Mark Wild,Laura O'Neill,Teng Zhang,Rajlakshmi Purkayastha,Geraint Minton,Monica Marinescu,Gregory J. Offer +6 more
TL;DR: In this paper, a review of a range of analytical studies and physical models for Li-S batteries is presented, showing that experimental understanding is well ahead of state-of-the-art models.
Journal ArticleDOI
Recent progress and remaining challenges in sulfur-based lithium secondary batteries--a review.
TL;DR: It is shown here that consistent progress has been achieved, to the point that this battery is now considered to be near to industrial production, however, the performance of present lithium-sulfur batteries is still far from meeting their real energy density potentiality.
Journal ArticleDOI
Analysis of capacity-rate data for lithium batteries using simplified models of the discharge process
Marc Doyle,John Newman +1 more
TL;DR: Simplified models based on porous electrode theory are used to describe the discharge of rechargeable lithium batteries and derive analytic expressions for the specific capacity against discharge rate in terms of the relevant system parameters as mentioned in this paper.