Events

Veröffentlichungen aus den Projekten

AnLiBa

Thermal and Mechanical Safety Assessment of Type 21700 Lithium-Ion Batteries with NMC, NCA and LFP Cathodes–Investigation of Cell Abuse by Means of Accelerating Rate Calorimetry (ARC)
MS. Ohneseit, P. Finster, C. Floras, N. Lubenau, N. Uhlmann, H. J. Seifert, C. Ziebert; Batteries 2023, 9, 237

https://doi.org/10.3390/batteries9050237

Creating safe and sustainable Batteries for the future
C. Ziebert; The Innovation Platform 5 (2021) 128-131
https://www.innovationnewsnetwork.com/publication/the-innovation-platform-issue-5/

Battery calorimeters and gas chromatography for gas analysis of lithium-ion batteries
C. Ziebert; The Innovation Platform 9 (2022) 162-165
https://www.innovationnewsnetwork.com/publication/the-innovation-platform-issue-9/

Battery venting gas analysis using battery calorimeters & gas chromatography
C. Ziebert; Open Access Government 33 (2022) 384-385
https://www.openaccessgovernment.org/open-access-government-january-2022/126948/

Calorimetric studies and safety tests on lithium-ion cells and post-lithium cells
C. Ziebert; Open Access Government 37 (2023) 416-419
https://doi.org/10.56367/OAG-037-10412

Calorimetric studies and safety tests on lithium-ion cells and post-lithium cells in the projects AnaLiBa, BatgasMod, HELIOS and POLiS
C. Ziebert; Open Access Government
https://www.openaccessgovernment.org/caloimetric-studies-safety-tests-lithium-ion-cells-post-kit/156949/

CharLiSiKo

Onset Shift of Li Plating on Si/Graphite Anodes with Increasing Si Content
M. Flügel, M. Bolsinger, M. Marinaro, V. Knoblauch, M. Hölzle, M. Wohlfahrt-Mehrens, T. Waldmann; J. Electrochem. Soc. 170 (2023) 060536
https://doi.org/10.1149/1945-7111/acdda3

Arrhenius plots for Li-ion battery ageing as a function of temperature, C-rate, and ageing state – An experimental study
G. Kucinskis, M. Bozorgchenani, M. Feinauer, M. Kasper, M. Wohlfahrt-Mehrens, T. Waldmann; J. Power Sources 549 (2022) 232129
https://doi.org/10.1016/j.jpowsour.2022.232129

Detection of Li Deposition on Si/Graphite Anodes from Commercial Li-Ion Cells: A Post-Mortem GD-OES Depth Profiling Study
M. Flügel, K. Richter, M. Wohlfahrt-Mehrens, T. Waldmann; J. Electrochem. Soc. 169 (2022) 50533
https://doi.org/10.1149/1945-7111/ac70af

Direct Observation of Internal Short Circuits by Lithium Dendrites in Cross-sectional Lithium-Ion in situ Full Cells
C. Hogrefe, T. Waldmann, M. Hölzle, M. Wohlfahrt-Mehrens; J. Power Sources, J. Power Sources 556 (2023) 232391
https://dx.doi.org/10.1016/j.jpowsour.2022.232391

Observation of preferential sputtering of Si/graphite anodes from Li-ion cells by GD-OES and its validation by neutron depth profiling
I. Pivarníková, M. Flügel, N. Paul, A. Cannavo, G. Ceccio, Jiří Vacík, P. Müller-Buschbaum, M. Wohlfahrt-Mehrens, Ralph Gilles, Thomas Waldmann; J. Power Sources 594 (2024) 233972
https://doi.org/10.1016/j.jpowsour.2023.233972

Multistep improvement of pilot-scale 21700 cells for increased fast-charging capability: Combining optimized electrolyte, cell design and fast-charging protocol
C. Hogrefe, M. Hölzle, M. Wohlfahrt-Mehrens, T. Waldmann; J. Electrochem. Soc. 170 (2023) 110535
https://doi.org/10.1149/1945-7111/ad0c65

Efficient workflows for detecting Li depositions in Lithium-ion batteries
T. Waldmann, C. Hogrefe, M. Flügel, I. Pivarníková, C. Weisenberger, E. Delz, M. Bolsinger, L. Boveleth, N. Paul, M. Kasper, M. Feinauer, R. Schäfer, K. Bischof, T. Danner, V. Knoblauch, P. Müller-Buschbaum, R. Gilles, A. Latz, M. Hölzle, M. Wohlfahrt-Mehrens; J. Electrochem. Soc. 171 (2024) 070526, https://doi.org/10.1149/1945-7111/ad5ef8

Lithium Redistribution Mechanism within Silicon-Graphite Electrodes: Multi-method approach and method validation
C. Hogrefe, N. Paul, L. Boveleth, M. Bolsinger, M. Flügel, T. Danner, A. Latz, R. Gilles, V. Knoblauch, M. Wohlfahrt-Mehrens, M. Hölzle, T. Waldmann; J. Electrochem. Soc. 171 (2024) 070503, https://dx.doi.org/10.1149/1945-7111/ad59c7

CharLiSiKo, MiCha

Image processing methods and light optical microscopy for in-situ quantification of chromatic change and anode dilation in Li-ion battery graphite anodes during (de-) lithiation
A. Jansche, S. Desapogu, C. Hogrefe, A. K. Choudhary, F. Trier, A. Kopp, C. Weisenberger, T. Waldmann, M. Wohlfahrt-Mehrens, T. Bernthaler, G. Schneider; Pract. Metallogr. 60 (2023) 3
https://doi.org/10.1515/pm-2022-1022

Aging mechanism for calendar aging of Li-ion cells with Si/Graphite anodes
K. Bischof, M. Flügel, M. Hölzle, M. Wohlfahrt-Mehrens, T. Waldmann; J. Electrochem. Soc. 171 (2024) 010510
https://dx.doi.org/10.1149/1945-7111/ad1b7c

MiCha, AnaLiBa

Change of safety by main aging mechanism – A multi-sensor accelerating rate calorimetry study with commercial Li-ion pouch cells
M. Feinauer, A.A. Abd-El-Latif, P. Sichler, A. Aracil Regalado, M. Wohlfahrt-Mehrens, T. Waldmann; J. Power Sources 570 (2023) 233046
https://doi.org/10.1016/j.jpowsour.2023.233046

Temperature-Driven Path Dependence in Li-Ion Battery Cyclic Aging
M. Feinauer, M. Wohlfahrt-Mehrens, M. Hölzle, T. Waldmann; J. Power Sources 594 (2024) 233948
https://doi.org/10.1016/j.jpowsour.2023.233948

MiCha

Characterization of Li-ion Batteries by Scanning Electron Microscopy: Quantification of Chemical Composition Including the Li Content
U. Golla-Schindler, E. Barbosa Sa, C. Weisenberger, V. Knoblauch, G. Schneider; M&M 2023, Minneapolis USA
https://doi.org/10.1093/micmic/ozad067.051

Effects of Electrode Curvature in Li-ion Cells
R. Schäfer, E. Barbosa Sá, M. Kasper, V. Knoblauch, M. Wohlfahrt-Mehrens, T. Waldmann; J. Electrochem. Soc. 170 (2023) 120519
https://doi.org/10.1149/1945-7111/ad1304

E-FloA

Selection of Electrolyte Additive Quantities for Lithium-Ion Batteries Using Bayesian Optimization
F. Hildenbrand, F. Aupperle, G. Stahl, E. Figgmeier, D. U. Sauer; Batteries & Supercaps , Volume 5, Issue 7, July 2022
https://doi.org/10.1002/batt.202200038

State-of-charge of individual active material particles in lithium ion batteries: a perspective of analytical techniques and their capabilities
M. Vahnstiege, M. Winter, S. Nowak, S. Wiemers-Meyer; Physical Chemistry Chemical Physics 2023
https://doi.org/10.1039/D3CP02932H

First Principles Study of Decomposition Reactions in the Electrolyte System Ethylene Carbonate and Lithium Hexafluorophosphate
D. Mroz, J. Hartwig, S. Neitzel-Grieshammer; ECS Adv., 2023, Manuskript, zur Publikation angenommen
https://doi.org/10.1149/2754-2734/acf8d8

HysKaDi

Combined dilatometry and voltage analysis for a reliable detection of lithium deposition on graphitic anodes
L. Jahn, F. Katzer, M. Danzer; J. Power Sources 520 (2022)
https://doi.org/10.1016/j.jpowsour.2021.230870


Time-Resolved Electrochemical Heat Flow Calorimetry for the Analysis of Highly Dynamic Processes in Lithium-Ion Batteries
A. Kunz, C. Berg, F. Friedrich, H. A. Gasteiger, A. Jossen; J. Electrochem. Soc. 169 (2022)
https://doi.org/10.1149/1945-7111/ac8625

Heat Generation during the First Activation Cycle of Li-Ion Batteries with Li- and Mn-Rich Layered Oxides Measured by Isothermal Micro-Calorimetry
F. Friedrich, A. Kunz, A. Jossen, H. A. Gasteiger; J. Electrochem. Soc. 170 (2023)
https://doi.org/10.1149/1945-7111/accf38

KritBatt

Impact of Electrode Defects on Battery Cell Performance: A Review
A. du Baret de Limé, T. Lein, S. Maletti, K. Schmal, S. Reuber, Ch. Heubner, A. Michaelis; Batteries & Supercaps 2022, e202200239
https://doi.org/10.1002/batt.202200239

operaXX

First-Principles Core Spectroscopy of LiCoO2 and CoO2
D. Duarte Ruiz, C. Cocchi; J. Phys. Chem. C 2022, 126, 27, 10949–10956 (2022)
https://doi.org/10.1021/acs.jpcc.2c01597

InOPlaBat

Spatially Resolving Lithium-Ion Battery Aging by Open-Hardware Scanning Acoustic Imaging
D. Wasylowski, N. Kisseler, H. Ditler et al.; J. Power Sources 521 (2022) 230825
https://doi.org/10.1016/j.jpowsour.2021.230825

Revisiting the Storage Capacity Limit of Graphite Battery Anodes: Spontaneous Lithium Overintercalation at Ambient Pressure
C. Grosu, C. Panosetti, S. Merz, P. Jakes, S. Matera, R. Eichel, J. Granwehr, C. Scheurer; PRX Energy 2023, 2, 013003
https://doi.org/10.48550/arXiv.2107.11137

Accessing Structural, Electronic, Transport and Mesoscale Properties of Li-GICs via a Complete DFTB Model with Machine-Learned Repulsion Potential
S. Anniés, C. Panosetti, M. Voronenko, D. Mauth, C. Rahe, and C. Scheurer; Materials 2021, 14(21), 6633
https://doi.org/10.3390/ma14216633

Lithium intercalation into graphite: In operando analysis of Raman signal widths
S. Jovanovic, P. Jakes, S. Merz, R. Eichel, J. Granwehr
https://doi.org/10.1002/elsa.202100068

In situ tomography of lithium-ion battery cells enabled by scanning acoustic imaging
D. Wasylowski, S. Neubauer, M. Faber, H. Ditler, …; J. Power Sources 580 (2023) 233209
https://doi.org/10.1016/j.jpowsour.2023.233295

The intrinsic electrostatic dielectric behaviour of graphite anodes in Li-ion batteries—Across the entire functional range of charge
S.Anniés, C. Schuerer, C. Panosetti; Electrochimica Acta, Volume 444, 10 March 2023, 141966
https://doi.org/10.1016/j.electacta.2023.141966

High-Energy and-Power Density Li-ion Battery Materials Characterisation by Electron Microscopy
F. Rohman; PhD Thesis
https://web.archive.org/web/20221026014622id_/https://publications.rwth-aachen.de/record/852451/files/852451.pdf

IQ-El

Fluorine-free water-based Ni-rich positive electrodes and their performance in pouch- and 21700-type cells
S. Radloff, G. Carbonari, R.-G. Scurtu, M. Holzle, M. Wohlfahrt-Mehrens; J. Power Sources 553 (2023) 232253
10.1016/j.jpowsour.2022.232253


Mitigating water-induced surface degradation in water-based Ni-rich Li-ion battery electrodes
S. Radloff, R.-G. Scurtu, G. Carbonari, M. Holzle, T. Diemant, M. Bozorgchenani, F . Klein, M. Wohlfahrt-Mehrens; J. Power Sources 580 (2023) 233314
10.1016/j.jpowsour.2023.233314

Inline NMR via a Dedicated V-Shaped Sensor
E. Schmid, S. Rondeau, T. Rudszuck, H. Nirschl, G. Guthausen; Sensors 2023, 23, 2388
https://doi.org/10.3390/s23052388

operaXX

First-Principles Core Spectroscopy of LiCoO2 and CoO2
D. Duarte Ruiz, C. Cocchi; J. Phys. Chem. C 2022, 126, 27, 10949–10956 (2022)
https://doi.org/10.1021/acs.jpcc.2c01597

Electronic Structure and Core Spectroscopy of Scandium Fluoride Polymorphs
F. Machado Ferreira De Araujo, D. Duarte-Ruiz, H.-D. Saßnick, M. C. Genzmann, T. Huthwelker, and C. Cocchi; J, Inorg. Chem. 62, 4238 (2023)
https://doi.org/10.1021/acs.inorgchem.2c04357

Al coordination and Ga interstitial stability in a β-(Al0.2Ga0.8)2O3 thin film
A. Chmielewski, Z. Deng, D. Duarte-Ruiz, L. Miao, P. Moradifar, Y. Zhang, A. Mauze, C. Cocchi, W. Windl, N. Alem; ACS Appl. Mater. Interfaces, 15, 8601 (2023)
https://doi.org/10.1021/acsami.2c17934

QuaLiZell

Investigation of the plant-side process parameters and evaluation of the cutting edge quality – Shear-cutting of Electrodes for Li-Ion-Cells
S. Schabel, J. Fleischer; wt werkstatttechnik – Heft 7/8
https://doi.org/10.37544/1436-4980-2022-07-08-41

Cutting of Battery and Fuel Cell Components – Synergies from a Production Engineering Perspective
S. Schabel, J. Fleischer; ZWF Zeitschrift für wirtschaftlichen Fabrikbetrieb – Heft 9
https://doi.org/10.1515/zwf-2023-1126

Introducing Alternative Algorithms for the Determination of the Distribution of Relaxation Times
T. G. Bergmann, N. Schlüter; ChemPhysChem (2022), 23(13), e202200012
https://doi.org/10.1002/cphc.202200012

News