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Peyrow Hedayati D, Singh G, Kucher M, Keene TD, Böhm R. Physicochemical Modeling of Electrochemical Impedance in Solid-State Supercapacitors. MATERIALS (BASEL, SWITZERLAND) 2023; 16:1232. [PMID: 36770236 PMCID: PMC9919100 DOI: 10.3390/ma16031232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 01/18/2023] [Accepted: 01/25/2023] [Indexed: 06/18/2023]
Abstract
Solid-state supercapacitors (SSCs) consist of porous carbon electrodes and gel-polymer electrolytes and are used in novel energy storage applications. The current study aims to simulate the impedance of SSCs using a clearly defined equivalent circuit (EC) model with the ultimate goal of improving their performance. To this end, a conventional mathematical and a physicochemical model were adapted. The impedance was measured by electrochemical impedance spectroscopy (EIS). An EC consisting of electrical elements was introduced for each modeling approach. The mathematical model was purely based on a best-fit method and utilized an EC with intuitive elements. In contrast, the physicochemical model was motivated by advanced theories and allowed meaningful associations with properties at the electrode, the electrolyte, and their interface. The physicochemical model showed a higher approximation ability (relative error of 3.7%) due to the interface impedance integration in a more complex circuit design. However, this model required more modeling and optimization effort. Moreover, the fitted parameters differed from the analytically calculated ones due to uncertainties in the SSC's microscale configuration, which need further investigations. Nevertheless, the results show that the proposed physicochemical model is promising in simulating EIS data of SSCs with the additional advantage of utilizing well-reasoned property-based EC elements.
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Affiliation(s)
| | - Gita Singh
- School of Chemistry, University College Dublin, Belfield, 4 Dublin, Ireland
| | - Michael Kucher
- Faculty of Engineering, Leipzig University of Applied Sciences, 04277 Leipzig, Germany
| | - Tony D. Keene
- School of Chemistry, University College Dublin, Belfield, 4 Dublin, Ireland
| | - Robert Böhm
- Faculty of Engineering, Leipzig University of Applied Sciences, 04277 Leipzig, Germany
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Microwave irradiation suppresses the Jahn-Teller distortion in Spinel LiMn2O4 cathode material for lithium-ion batteries. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140786] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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3
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Park J, Suh S, Tamulevičius S, Kim D, Choi D, Jeong S, Kim HJ. Practical Approaches to Apply Ultra-Thick Graphite Anode to High-Energy Lithium-Ion Battery: Carbonization and 3-Dimensionalization. NANOMATERIALS 2022; 12:nano12152625. [PMID: 35957056 PMCID: PMC9370293 DOI: 10.3390/nano12152625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 07/22/2022] [Accepted: 07/26/2022] [Indexed: 11/16/2022]
Abstract
Lithium-ion batteries with ultra-thick electrodes have high energy density and low manufacturing costs because of the reduction of the inactive materials in the same battery volume. However, the partial usage of the full capacity and the low rate capability are caused by poor ionic and electronic conduction. In this work, the effects of two approaches, such as electrode binder carbonization by heat treatment and 3-dimensionalization by the laser structuring of ultra-thick graphite anodes to lithium-ion batteries for high energy density, are investigated. During the heat treatment, the polyvinylidene fluoride (PVDF) binder is carbonized to form fluorinated graphitic carbons, thereby increasing the number of lithium-ion storage sites and the improvement of the electrode capacity by 14% (420 mAh g−1 and 20 mAh cm−2). Further, the carbonization improves the rate capability by 31% at 0.1 C by simultaneously reducing the ionic and electronic resistances. Furthermore, after the laser structuring of the carbonized electrode, the areal discharge capacity increases to 50% at the increasing current rates, resulting from drastically improved ionic conduction. In addition to the electrochemical characteristics, these two approaches contribute considerably to the fast wetting of the electrolyte into the ultra-thick electrode. The carbonization and laser structuring of the ultra-thick graphite anodes are practical approaches for high-energy batteries to overcome the thickness limitation.
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Affiliation(s)
- Junsu Park
- Ground Technology Research Institute, Agency for Defense Development, Yuseong-gu, P.O. Box 35, Daejeon 34186, Korea;
| | - Seokho Suh
- Graduate School of Energy Convergence, Institute of Integrated Technology, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Korea;
| | - Sigitas Tamulevičius
- Institute of Materials Science of Kaunas, University of Technology, Barsausko St. 59, LT-51423 Kaunas, Lithuania;
| | - Daesoo Kim
- LG Energy Solution, Ltd., 188 Munji-ro, Yuseong-gu, Daejeon 34122, Korea; (D.K.); (D.C.)
| | - Dongin Choi
- LG Energy Solution, Ltd., 188 Munji-ro, Yuseong-gu, Daejeon 34122, Korea; (D.K.); (D.C.)
| | - Sungho Jeong
- School of Mechanical Engineering, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Korea
- Correspondence: (S.J.); (H.-J.K.)
| | - Hyeong-Jin Kim
- Graduate School of Energy Convergence, Institute of Integrated Technology, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Korea;
- Correspondence: (S.J.); (H.-J.K.)
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Coherent Integration of Organic Gel Polymer Electrolyte and Ambipolar Polyoxometalate Hybrid Nanocomposite Electrode in a Compact High-Performance Supercapacitor. NANOMATERIALS 2022; 12:nano12030514. [PMID: 35159858 PMCID: PMC8839628 DOI: 10.3390/nano12030514] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 01/26/2022] [Accepted: 01/27/2022] [Indexed: 02/04/2023]
Abstract
We report a gel polymer electrolyte (GPE) supercapacitor concept with improved pathways for ion transport, thanks to a facile creation of a coherent continuous distribution of the electrolyte throughout the electrode. Poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) was chosen as the polymer framework for organic electrolytes. A permeating distribution of the GPE into the electrodes, acting both as integrated electrolyte and binder, as well as thin separator, promotes ion diffusion and increases the active electrode–electrolyte interface, which leads to improvements both in capacitance and rate capability. An activation process induced during the first charge–discharge cycles was detected, after which, the charge transfer resistance and Warburg impedance decrease. We found that a GPE thickness of 12 μm led to optimal capacitance and rate capability. A novel hybrid nanocomposite material, formed by the tetraethylammonium salt of the 1 nm-sized phosphomolybdate cluster and activated carbon (AC/TEAPMo12), was shown to improve its capacitive performance with this gel electrolyte arrangement. Due to the homogeneous dispersion of PMo12 clusters, its energy storage process is non-diffusion-controlled. In the symmetric capacitors, the hybrid nanocomposite material can perform redox reactions in both the positive and the negative electrodes in an ambipolar mode. The volumetric capacitance of a symmetric supercapacitor made with the hybrid electrodes increased by 40% compared to a cell with parent AC electrodes. Due to the synergy between permeating GPE and the hybrid electrodes, the GPE hybrid symmetric capacitor delivers three times more energy density at higher power densities and equivalent cycle stability compared with conventional AC symmetric capacitors.
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Wojciechowski J, Kolanowski Ł, Graś M, Szubert K, Bund A, Fic K, Lota G. Anti–corrosive siloxane coatings for improved long–term performance of supercapacitors with an aqueous electrolyte. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.137840] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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From the anomalous diffusion impedance to the closed-form, infinite-series and integral formulations of the voltammetric response of thin-film insertion materials under restricted diffusion conditions. A modelling contribution based on the anomalous mass transfer function. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2020.114835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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The Rapeseed Oil Based Organofunctional Silane for Stainless Steel Protective Coatings. MATERIALS 2020; 13:ma13102212. [PMID: 32408475 PMCID: PMC7287667 DOI: 10.3390/ma13102212] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 05/04/2020] [Accepted: 05/06/2020] [Indexed: 11/24/2022]
Abstract
The earlier obtained organosilicon derivatives of rapeseed oil were used for the production of coatings protecting steel surface against corrosion. Vegetable oils have been hitherto used for temporary protection of metals against corrosion, while thanks to the synthesis of appropriate organosilicon derivatives, it is now possible to create durable protective coatings. Due to the presence of alkoxysilyl groups and the use of the sol-gel process, the coatings obtained were bonded to the steel surface. The effectiveness of the coatings was checked by electrochemical methods and steel surface analysis.
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Yeşilot S, Küçükköylü S, Demir E, Demir-Cakan R. Phosphazene based star-branched polymeric cathode materials via inverse vulcanization of sulfur for lithium–sulfur batteries. Polym Chem 2020. [DOI: 10.1039/d0py00490a] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Novel insoluble star-shaped hexa-branched polymeric materials based on cyclotriphosphazene core are prepared by the inverse vulcanization of sulfur with hexakis(styreneoxy)cyclotriphosphazene and tested as cathode for lithium–sulfur (Li–S) batteries.
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Affiliation(s)
- Serkan Yeşilot
- Department of Chemistry
- Gebze Technical University
- Gebze
- Turkey
| | | | - Emrah Demir
- Institute of Nanotechnology
- Gebze Technical University
- Gebze
- Turkey
| | - Rezan Demir-Cakan
- Institute of Nanotechnology
- Gebze Technical University
- Gebze
- Turkey
- Department of Chemical Engineering
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A family of integral representations for the voltammetric responses of reversible electrochemical reactions, arising from Abel, Lindelöf and Euler-Ramanujan summations of the alternating series solution. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2018.04.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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10
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The impedance spectroscopy response for a reversible electrode reaction based on diffusion limited chronoamperometry at an inlaid disk electrode. J Electroanal Chem (Lausanne) 2016. [DOI: 10.1016/j.jelechem.2016.07.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Kichigin V, Shein A. Influence of hydrogen absorption on the potential dependence of the Faradaic impedance parameters of hydrogen evolution reaction. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.03.194] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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12
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Diard JP, Montella C. Re-examination of the diffusion–convection impedance for a uniformly accessible rotating disk. Computation and accuracy. J Electroanal Chem (Lausanne) 2015. [DOI: 10.1016/j.jelechem.2015.01.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Fu Y, Poizeau S, Bertei A, Qi C, Mohanram A, Pietras J, Bazant M. Heterogeneous electrocatalysis in porous cathodes of solid oxide fuel cells. Electrochim Acta 2015. [DOI: 10.1016/j.electacta.2015.01.120] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Non-intuitive features of equivalent circuits for analysis of EIS data. The example of EE reaction. J Electroanal Chem (Lausanne) 2014. [DOI: 10.1016/j.jelechem.2014.08.029] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Investigation on photoelectrochemical and pseudo-capacitance properties of the non-stoichiometric hematite α-Fe2O3 elaborated by sol–gel. Electrochim Acta 2013. [DOI: 10.1016/j.electacta.2013.08.076] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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16
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Improved electrochemical performance of dye-sensitized solar cell via surface modifications of the working electrode by electrodeposition. KOREAN J CHEM ENG 2013. [DOI: 10.1007/s11814-012-0189-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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A study on the electrochemical deposition behavior of uranium ion in a LiCl–KCl molten salt on solid and liquid electrode. J Electroanal Chem (Lausanne) 2012. [DOI: 10.1016/j.jelechem.2012.07.025] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Montella C, Michel R. New approach of electrochemical systems dynamics in the time domain under small-signal conditions: III – Discrimination between nine candidate models for analysis of PITT experimental data from LixCoO2 film electrodes. J Electroanal Chem (Lausanne) 2009. [DOI: 10.1016/j.jelechem.2009.01.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Tang XC, Li LX, Lai QL, Song XW, Jiang LH. Investigation on diffusion behavior of Li+ in LiFePO4 by capacity intermittent titration technique (CITT). Electrochim Acta 2009. [DOI: 10.1016/j.electacta.2008.10.065] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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20
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Montella C, Diard JP. New approach of electrochemical systems dynamics in the time-domain under small-signal conditions. I. A family of algorithms based on numerical inversion of Laplace transforms. J Electroanal Chem (Lausanne) 2008. [DOI: 10.1016/j.jelechem.2008.06.015] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Ivanishchev AV, Churikov AV, Ivanishcheva IA, Zapsis KV, Gamayunova IM. Impedance spectroscopy of lithium-carbon electrodes. RUSS J ELECTROCHEM+ 2008. [DOI: 10.1134/s1023193508050030] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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23
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Montella C. LSV modelling of electrochemical systems through numerical inversion of Laplace transforms. I – The GS–LSV algorithm. J Electroanal Chem (Lausanne) 2008. [DOI: 10.1016/j.jelechem.2007.11.010] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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24
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Bóbics L, Sziráki L, Láng G. The impedance related to the electrochemical hydrogen insertion into WO3 films – On the applicability of the diffusion-trapping model. Electrochem commun 2008. [DOI: 10.1016/j.elecom.2007.12.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Amokrane N, Gabrielli C, Ostermann E, Perrot H. Investigation of hydrogen adsorption–absorption on iron by EIS. Electrochim Acta 2007. [DOI: 10.1016/j.electacta.2007.07.047] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Giménez-Romero D, Bueno PR, Gabrielli C, García-Jareño JJ, Perrot H, Vicente F. Kinetic Aspects of Ion Exchange in KhFek[Fe(CN)6]l·mH2O Compounds: A Combined Electrical and Mass Transfer Functions Approach. J Phys Chem B 2006; 110:19352-63. [PMID: 17004791 DOI: 10.1021/jp061533i] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The present paper quantifies and develops the kinetic aspects involved in the mechanism of interplay between electron and ions presented elsewhere(1) for K(h)Fe(k)[Fe(CN)(6)](l)*mH(2)O (Prussian Blue) host materials. Accordingly, there are three different electrochemical processes involved in the PB host materials: H(3)O(+), K(+), and H(+) insertion/extraction mechanisms which here were fully kinetically studied by means of the use of combined electronic and mass transfer functions as a tool to separate all the processes. The use of combined electronic and mass transfer functions was very important to validate and confirm the proposed mechanism. This mechanism allows the electrochemical and chemical processes involved in the K(h)Fe(k)[Fe(CN)(6)](l)*mH(2)O host and Prussian Blue derivatives to be understood. In addition, a formalism was also developed to consider superficial oxygen reduction. From the analysis of the kinetic processes involved in the model, it was possible to demonstrate that the processes associated with K(+) and H(+) exchanges are reversible whereas the H(3)O(+) insertion process was shown not to present a reversible pattern. This irreversible pattern is very peculiar and was shown to be related to the catalytic proton reduction reaction. Furthermore, from the model, it was possible to calculate the number density of available sites for each intercalation/deintercalation processes and infer that they are very similar for K(+) and H(+). Hence, the high prominence of the K(+) exchange observed in the voltammetric responses has a kinetic origin and is not related to the amount of sites available for intercalation/deintercalation of the ions.
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Affiliation(s)
- D Giménez-Romero
- UPR 15 du CNRS, Laboratoire Interfaces et Systèmes Electrochimiques, Université Pierre et Marie Curie, 4 place Jussieu, 75252 Paris, France
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Tang XC, Song XW, Shen PZ, Jia DZ. Capacity intermittent titration technique (CITT): A novel technique for determination of Li+ solid diffusion coefficient of LiMn2O4. Electrochim Acta 2005. [DOI: 10.1016/j.electacta.2005.03.032] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Lee JW, Pyun SI. Anomalous behaviour of hydrogen extraction from hydride-forming metals and alloys under impermeable boundary conditions. Electrochim Acta 2005. [DOI: 10.1016/j.electacta.2004.08.046] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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30
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Lee JW, Pyun SI. Anomalous behaviour in diffusion impedance of intercalation electrodes. ACTA ACUST UNITED AC 2005. [DOI: 10.3139/146.101008] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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