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  <doc>
    <id>279</id>
    <completedYear>2020</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue>2443</issue>
    <volume>25</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Study on Dfferent Water-Based Binders for Li4Ti5O12 Electrodes</title>
    <abstract language="eng">In this study, Li4Ti5O12 (LTO) electrodes with different types of water-soluble binders are successfully coated upon aluminum foil. Electrodes containing solely sodium alginate (SA) as a binder or a mixed PVDF/carboxymethyl cellulose (CMC) binder show the most stable performance in 1 M LiPF6 in EC/DMC 1:1 in half cell vs. Li, with respect to cycle stability over 100 cycles at 1 C. The electrodes processed with a mixture of PVDF/SA show considerable fading and slightly worse values for rate capability. Each one of the different binders used is eco-friendly, and the whole processing can be performed without the use of organic solvents. Further advantages covering the whole production and recycling process, as well as safety issues during operation, encourage deeper research in this area.</abstract>
    <parentTitle language="eng">Molecules</parentTitle>
    <identifier type="doi">10.3390/molecules25102443</identifier>
    <identifier type="urn">urn:nbn:de:bvb:860-opus4-2798</identifier>
    <enrichment key="opus.source">publish</enrichment>
    <enrichment key="opus.doi.autoCreate">false</enrichment>
    <enrichment key="opus.urn.autoCreate">true</enrichment>
    <licence>Creative Commons - CC BY - Namensnennung 4.0 International</licence>
    <author>Christina Toigo</author>
    <author>Catia Arbizzani</author>
    <author>Karl-Heinz Pettinger</author>
    <author>Maurizio Biso</author>
    <collection role="institutes" number="">Technologiezentrum Energie (TZ Energie)</collection>
    <thesisPublisher>Hochschule für Angewandte Wissenschaften Landshut</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-haw-landshut/files/279/water-basedstudy_CT.pdf</file>
  </doc>
  <doc>
    <id>280</id>
    <completedYear>2021</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue>7</issue>
    <volume>7</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">The Effect of input parameter variation on the accuracy of a Vanadium Redox Flow Battery Simulation Model</title>
    <abstract language="eng">Accurately predicting battery behavior, while using low input data, is highly desirable in embedded simulation architectures like grid or integrated energy system analysis. Currently, the available vanadium redox flow battery (VRFB) models achieve highly accurate predictions of electrochemical behavior or control algorithms, while the optimization of the required input data scope is neglected. In this study, a parametrization tool for a DC grey box simulation model is&#13;
developed using measurements with a 10 kW/100 kWh VRFB. An objective function is applied to optimize the required input data scope while analyzing simulation accuracy. The model is based on a differential-algebraic system, and an optimization process allows model parameter estimation and verification while reducing the input data scope. Current losses, theoretical storage capacity, open circuit voltage, and ohmic cell resistance are used as fitting parameters. Internal electrochemical phenomena are represented by a self-discharge current while material related losses are represented by a changing ohmic resistance. Upon reducing input data the deviation between the model and measurements shows an insignificant increase of 2% even for a 60% input data reduction. The developed grey box model is easily adaptable to other VRFB and is highly integrable into an existing energy architecture.</abstract>
    <parentTitle language="eng">Batteries</parentTitle>
    <identifier type="doi">https://doi.org/10.3390/batteries7010007</identifier>
    <identifier type="urn">urn:nbn:de:bvb:860-opus4-2809</identifier>
    <enrichment key="opus.source">publish</enrichment>
    <enrichment key="opus.doi.autoCreate">false</enrichment>
    <enrichment key="opus.urn.autoCreate">true</enrichment>
    <licence>Creative Commons - CC BY - Namensnennung 4.0 International</licence>
    <author>Christina Zugschwert</author>
    <author>Jan Dundálek</author>
    <author>Stefan Leyer</author>
    <author>Jean-Régis Hadji-Minaglou</author>
    <author>Juraj Kosek</author>
    <author>Karl-Heinz Pettinger</author>
    <collection role="institutes" number="">Technologiezentrum Energie (TZ Energie)</collection>
    <thesisPublisher>Hochschule für Angewandte Wissenschaften Landshut</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-haw-landshut/files/280/EffectInputParameter_CZ.pdf</file>
  </doc>
  <doc>
    <id>281</id>
    <completedYear>2019</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Solvent-Free Manufacturing of Electrodes for Lithium-Ion Batteries via Electrostatic Coating</title>
    <abstract language="eng">This work demonstrates the feasibility of a novel solvent-free anode production for lithium-ion batteries. It combines a modified dry-mixing procedure with an innovative electrostatic coating process. The mixing is divided into two steps. At first, carbon black and binder are deagglomerated and recombined to a matrix structure by intensive mixing. In a second less intensive step, this matrix is blended with graphite. The powder mixture is fluidized and then transferred to the current collector by inducing a high voltage. After a subsequent hot pressing step, the powder coating is permanently fixed on the current collector. This procedure is presented with three different fluorinated binders. Furthermore, effects of different mixing intensities on the powder and electrode properties are examined. The electrodes are investigated in the three-electrode T-cell setup versus lithium metal to examine their C-rates and cycle stabilities. The produced anodes offer comparable electrochemical performance to conventional wetcoated ones on electrode and cell levels. Overall, this new process is a suitable alternative to the conventional electrode production techniques.</abstract>
    <parentTitle language="eng">Energy Technology</parentTitle>
    <identifier type="doi">10.1002/ente.201900309</identifier>
    <identifier type="urn">urn:nbn:de:bvb:860-opus4-2819</identifier>
    <enrichment key="opus.source">publish</enrichment>
    <enrichment key="opus.doi.autoCreate">false</enrichment>
    <enrichment key="opus.urn.autoCreate">true</enrichment>
    <licence>Keine Creative Commons Lizenz (es gilt das deutsche Urheberrecht)</licence>
    <author>Gerrit Schälicke</author>
    <author>Inga Landwehr</author>
    <author>Alexander Dinter</author>
    <author>Karl-Heinz Pettinger</author>
    <author>Wolfgang Haselrieder</author>
    <author>Arno Kwade</author>
    <collection role="institutes" number="">Technologiezentrum Energie (TZ Energie)</collection>
    <thesisPublisher>Hochschule für Angewandte Wissenschaften Landshut</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-haw-landshut/files/281/Solvent-free_Schaelicke.pdf</file>
  </doc>
  <doc>
    <id>303</id>
    <completedYear>2021</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1</pageFirst>
    <pageLast>7</pageLast>
    <pageNumber>7</pageNumber>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Development of a multi-timescale method for classifying hybrid energy storage systems in grid applications</title>
    <abstract language="eng">An extended use of renewable energies and a trend towards increasing energy consumption lead to challenges such as temporal and spatial decoupling of energy generation and consumption. This work evaluates the possible applications and advantages of hybrid energy storage systems compared to conventional, single energy storage applications. In a mathematical approach, evaluation criteria such as frequency, probability of power transients, as well as absolute power peaks are combined to identify suitable thresholds for energy management systems on a multi-timescale basis. With experimental load profiles from a municipal application, an airport, and an industrial application, four categories, clustering similar roles of the VRFB and the SC, are developed.</abstract>
    <identifier type="urn">urn:nbn:de:bvb:860-opus4-3039</identifier>
    <identifier type="doi">10.57688/303</identifier>
    <enrichment key="opus.source">publish</enrichment>
    <licence>Creative Commons - CC BY - Namensnennung 4.0 International</licence>
    <author>Christina Zugschwert</author>
    <author>Sebastian Göschl</author>
    <author>Federico Martin Ibanez</author>
    <author>Karl-Heinz Pettinger</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Hybrid Energy Storage System</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Vanadium Redox Flow Battery</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Supercapacitor</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Peak Shaving</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Distribution Grid</value>
    </subject>
    <collection role="institutes" number="">Technologiezentrum Energie (TZ Energie)</collection>
    <thesisPublisher>Hochschule für Angewandte Wissenschaften Landshut</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-haw-landshut/files/303/2021_Multi-timescale-method_Zugschwert_et_al.pdf</file>
  </doc>
  <doc>
    <id>272</id>
    <completedYear>2018</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>112</pageFirst>
    <pageLast>119</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>289</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Water-processable Li4Ti5O12 electrodes featuring eco-friendly sodium alginate binder</title>
    <abstract language="eng">Electrodes based on Li4Ti5O12 (LTO) with sodium alginate (SA) binder featuring high percentage of active material and operating in glyme-based electrolyte are here proposed for the first time. Three electrode formulations operating in ethylene carbonate: dimethyl carbonatee1M LiPF6 (LP30) and 1m lithium bis(trifluoromethane) sulfonimide - tetraglyme were tested in half-cell vs. Li and compared to conventional 80% LTO and 10% polyvinylidene fluoride binder. Electrodes with 87% LTO and 3% SA binder show the best performance, with good rate capability and excellent cycling stability over 600 cycles at 1C in both electrolytes. The use of SA is beneficial as it allows made-in-water electrode manufacturing in absence of N-methyl-2-pyrrolidone, a toxic and expensive solvent required by fluorinated binders. SA also permits to decrease its amount to 3% increasing the active material percentage, and to develop a final device with higher specific energy.</abstract>
    <parentTitle language="eng">Electrochimica Acta</parentTitle>
    <identifier type="doi">https://doi.org/10.1016/j.electacta.2018.09.017</identifier>
    <identifier type="urn">urn:nbn:de:bvb:860-opus4-2723</identifier>
    <enrichment key="opus.source">publish</enrichment>
    <enrichment key="opus.doi.autoCreate">true</enrichment>
    <enrichment key="opus.urn.autoCreate">true</enrichment>
    <licence>Keine Creative Commons Lizenz (es gilt das deutsche Urheberrecht)</licence>
    <author>Francesca de Giorgio</author>
    <author>Andrea La Monaca</author>
    <author>Alexander Dinter</author>
    <author>Martin Frankenberger</author>
    <author>Karl-Heinz Pettinger</author>
    <author>Catia Arbizzani</author>
    <collection role="institutes" number="">Technologiezentrum Energie (TZ Energie)</collection>
    <thesisPublisher>Hochschule für Angewandte Wissenschaften Landshut</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-haw-landshut/files/272/Water-pLTOelectrodes.pdf</file>
  </doc>
  <doc>
    <id>273</id>
    <completedYear>2018</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1757</pageFirst>
    <pageLast>1765</pageLast>
    <pageNumber/>
    <edition/>
    <issue>4</issue>
    <volume>33</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Simple Spec-Based Modelling of Lithium-Ion Batteries</title>
    <abstract language="eng">Lithium-ion battery models that estimate their energy&#13;
content after a series of charge and discharge operations are&#13;
essential in the optimal design, analysis and operation of batterybased systems. We focus on the class of battery models that can&#13;
be calibrated entirely from the battery’s manufacturer-provided&#13;
specifications (spec). Such models are simple to calibrate and&#13;
are therefore widely used in practice. The best-known model in&#13;
this category was proposed by Tremblay et al. in 2007. This&#13;
model, however, has several shortcomings, including low fidelity&#13;
at high C-rates, and the fact that it does not model the battery&#13;
management system.We propose an alternative, called the Powerbased&#13;
Integrated (PI) model that is also completely spec-based, yet has much higher fidelity. We perform two types of validation, the first one uses the voltage profiles in the spec while the other is based on laboratory experiments. Both validations confirm that our model, which we have publicly released as a Simulink system block, has a mean absolute voltage error of less than 0.1 V across a wide range of C-rates.</abstract>
    <parentTitle language="eng">IEEE Transactions on Energy Conversion</parentTitle>
    <identifier type="doi">10.1109/TEC.2018.2838441</identifier>
    <identifier type="urn">urn:nbn:de:bvb:860-opus4-2732</identifier>
    <enrichment key="opus.source">publish</enrichment>
    <enrichment key="opus.doi.autoCreate">true</enrichment>
    <enrichment key="opus.urn.autoCreate">true</enrichment>
    <licence>Keine Creative Commons Lizenz (es gilt das deutsche Urheberrecht)</licence>
    <author>Fiodar Kazhamiaka</author>
    <author>Srinivasan Keshav</author>
    <author>Catherine Rosenberg</author>
    <author>Karl-Heinz Pettinger</author>
    <collection role="institutes" number="">Technologiezentrum Energie (TZ Energie)</collection>
    <thesisPublisher>Hochschule für Angewandte Wissenschaften Landshut</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-haw-landshut/files/273/Simple_Spec_Based_Modelling.pdf</file>
  </doc>
  <doc>
    <id>274</id>
    <completedYear>2019</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>151</pageFirst>
    <pageLast>158</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>837</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Laminated Lithium Ion Batteries with improved fast charging capability</title>
    <abstract language="eng">The fast charge and discharge capability of lithium-ion batteries is improved by applying a lamination step during cell assembly. Electrode sheets and separator are laminated into one stack which improves the electrochemical performance as well as the stack assembly process. The effect of non-laminated and laminated interfaces on the reversible capacity during cycling are studied thoroughly in half-cell and full-cell configurations.&#13;
The fully-laminated cells show a reduction in the capacity losses of 3%, 5% and 12% upon cycling at 2C, 3C and 5C-rate, respectively, while capacity losses of 6%, 11% and 23% are observed in non-laminated cells at the same C-rates. A significant reduction in the capacity fading at high C-rates is observed upon lamination. Additional compression is applied on the cells to compare the effect of lamination and compression on the cell performance.&#13;
The laminated cells show an improvement in the fast charging capability in comparison to the non-laminated cells.</abstract>
    <parentTitle language="eng">Journal of Electroanalytical Chemistry</parentTitle>
    <identifier type="doi">https://doi.org/10.1016/j.jelechem.2019.02.030</identifier>
    <identifier type="urn">urn:nbn:de:bvb:860-opus4-2741</identifier>
    <enrichment key="opus.source">publish</enrichment>
    <enrichment key="opus.doi.autoCreate">true</enrichment>
    <enrichment key="opus.urn.autoCreate">true</enrichment>
    <licence>Keine Creative Commons Lizenz (es gilt das deutsche Urheberrecht)</licence>
    <author>Martin Frankenberger</author>
    <author>Madhav Singh</author>
    <author>Alexander Dinter</author>
    <author>Sebastian Jankowsky</author>
    <author>Alexander Schmidt</author>
    <author>Karl-Heinz Pettinger</author>
    <thesisPublisher>Hochschule für Angewandte Wissenschaften Landshut</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-haw-landshut/files/274/LaminatedLIB-Frankenberger.pdf</file>
  </doc>
  <doc>
    <id>275</id>
    <completedYear>2019</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue>71</issue>
    <volume>5</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">EIS Study on the Electrode-Separator Interface Lamination</title>
    <abstract language="eng">This paper presents a comprehensive study of the influences of lamination at both electrode-separator interfaces of lithium-ion batteries consisting of LiNi1/3Mn1/3Co1/3O2 cathodes and graphite anodes. Typically, electrode-separator lamination shows a reduced capacity fade at fast-charging cycles. To study this behavior in detail, the anode and cathode were laminated separately to the separator and compared to the fully laminated and non-laminated state in single-cell format. The impedance of the cells was measured at different states of charge and during the cycling test up to 1500 fast-charging cycles. Lamination on the cathode interface clearly shows an initial decrease in the surface resistance with no correlation to aging effects along cycling, while lamination on both electrode-separator interfaces reduces the growth of the surface resistance along cycling. Lamination only on the anode-separator interface shows up to be suffcient to maintain the enhanced fast-charging capability for 1500 cycles, what we prove to arise from a significant reduction in growth of the solid electrolyte interface.</abstract>
    <parentTitle language="eng">Batteries</parentTitle>
    <identifier type="doi">doi:10.3390/batteries5040071</identifier>
    <identifier type="urn">urn:nbn:de:bvb:860-opus4-2751</identifier>
    <enrichment key="opus.source">publish</enrichment>
    <licence>Creative Commons - CC BY - Namensnennung 4.0 International</licence>
    <author>Martin Frankenberger</author>
    <author>Madhav Singh</author>
    <author>Alexander Dinter</author>
    <author>Karl-Heinz Pettinger</author>
    <subject>
      <language>deu</language>
      <type>swd</type>
      <value>Lithium-Ionen-Akkumulator</value>
    </subject>
    <subject>
      <language>deu</language>
      <type>swd</type>
      <value>Impedanzspektroskopie</value>
    </subject>
    <thesisPublisher>Hochschule für Angewandte Wissenschaften Landshut</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-haw-landshut/files/275/EISstudy_MF.pdf</file>
  </doc>
  <doc>
    <id>276</id>
    <completedYear>2020</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue>2</issue>
    <volume>167</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">A Method to measure the swelling of water-woluble PVDF Binder System and its electrochemical performance for Lithium Ion Batteries</title>
    <abstract language="eng">Water-soluble CMC/PVDF binder systems were used to prepare graphite anodes and compared mechanically and electrochemically with CMC/SBR binder systems. The effect of crystallinity of PVDF binder on the mechanical and electrochemical performance of the anodes is studied. A contact free method easy to operate and equipped with high accuracy was developed by using capacitance measurement. The swelling of graphite electrodes was controlled and showed different results for different binder crystallinities (no swelling of binder with high crystallinity vs 12% for medium crystallinity and 17% for low crystallinity binder). The discharge capacity depends on the crystallinity of the binders and half-cells delivered a capacity in the range of 230–360 mAh g−1. The binder with medium crystallinity in particular exhibited the best mechanical and electrochemical performance and showed an excellent C-rate stability with specific capacities up to 10 C. Full cell tests showed good cycling stability over 180 cycles. The water-based PVDF binders seem to be a promising alternative to solvent-based binders.</abstract>
    <parentTitle language="eng">Journal of The Electrochemical Society</parentTitle>
    <identifier type="doi">10.1149/1945-7111/ab68c2</identifier>
    <identifier type="urn">urn:nbn:de:bvb:860-opus4-2766</identifier>
    <enrichment key="opus.source">publish</enrichment>
    <enrichment key="opus.doi.autoCreate">false</enrichment>
    <enrichment key="opus.urn.autoCreate">true</enrichment>
    <licence>Creative Commons - CC BY - Namensnennung 4.0 International</licence>
    <author>Christina Toigo</author>
    <author>Madhav Singh</author>
    <author>Benjamin Gmeiner</author>
    <author>Maurizio Biso</author>
    <author>Karl-Heinz Pettinger</author>
    <collection role="institutes" number="">Technologiezentrum Energie (TZ Energie)</collection>
    <thesisPublisher>Hochschule für Angewandte Wissenschaften Landshut</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-haw-landshut/files/276/CT_SwellingPVDF.pdf</file>
  </doc>
  <doc>
    <id>277</id>
    <completedYear>2020</completedYear>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue>21</issue>
    <volume>6</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">SEI Growth Impacts of Lamination, Formation and Cycling in Lithium Ion Batteries</title>
    <abstract language="eng">The accumulation of solid electrolyte interphases (SEI) in graphite anodes related to elevated formation rates (0.1C, 1C and 2C), cycling rates (1C and 2C), and electrode-separator lamination is investigated. As shown previously, the lamination technique is beneficial for the capacity aging in graphite-LiNi1/3Mn1/3Co1/3O2 cells. Here, surface resistance growth phenomena are quantified using electrochemical impedance spectroscopy (EIS). The graphite anodes were extracted from the graphite NMC cells in their fully discharged state and irreversible accumulations of lithium in the SEI are revealed using neutron depth profiling (NDP). In this post-mortem study, NDP reveals uniform lithium accumulations as a function of depth with lithium situated at the surface of the graphite particles thus forming the SEI. The SEI was found to grow logarithmically with cycle number starting with the main formation in the initial cycles. Furthermore, the EIS measurements indicate that benefits from lamination arise from surface resistance growth phenomena aside from SEI growth in superior anode fractions.</abstract>
    <parentTitle language="eng">Batteries</parentTitle>
    <identifier type="doi">10.3390/batteries6020021</identifier>
    <identifier type="urn">urn:nbn:de:bvb:860-opus4-2770</identifier>
    <enrichment key="opus.source">publish</enrichment>
    <licence>Creative Commons - CC BY - Namensnennung 4.0 International</licence>
    <author>Martin Frankenberger</author>
    <author>Markus Trunk</author>
    <author>Stefan Seidlmayer</author>
    <author>Alexander Dinter</author>
    <author>Johannes Dittloff</author>
    <author>Lukas Werner</author>
    <author>Roman Gernhäuser</author>
    <author>Zsolt Revay</author>
    <author>Bastian Märkisch</author>
    <author>Ralph Gilles</author>
    <author>Karl-Heinz Pettinger</author>
    <collection role="institutes" number="">Technologiezentrum Energie (TZ Energie)</collection>
    <thesisPublisher>Hochschule für Angewandte Wissenschaften Landshut</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-haw-landshut/files/277/SEIGrowth_MF.pdf</file>
  </doc>
</export-example>
