MEET - Lenard Hanf

HANF, Dr. Lenard

Porträt Dr. Lenard Hanf — © MEET/Lessmann

MEET - Münster Electrochemical Energy Technology
Raum: C2.1.15
Wilhelm-Schickard-Straße 8
D-48149 Münster

Tel.: +49 251 83-36082
lenard.hanf@uni-muenster.de

Position: Postdoktorand

Bereich / Gruppe: Analytics and Environment

Dissertationsthema: Speciation of Dissolved Transition Metals in Lithium Ion Battery Electrolytes by Means of Capillary Electrophoresis

Publikationen
- Abke, Niklas M., Hanf, Lenard, Hendriks, Theodoor A., Winter, Martin, Nowak, Sascha, und Wiemers-Meyer, Simon. 2024. „What’s Cracking? Deep Investigation of aged Solid-State Electrolyte Lithium Sulfur Batteries via Time of Flight Secondary Ion Mass Spectrometry.“ präsentiert auf der ADVANCED BATTERY POWER, Münster.
- Hanf, Lenard, Brüning, Kai, Winter, Martin, und Nowak, Sascha. 2023. „Front Cover - Method Development for the Investigation of Mn2+/3+, Cu2+, Co2+ and Ni2+ with Capillary Electrophoresis Hyphenated to Inductively Coupled Plasma – Mass Spectrometry.“ Electrophoresis 41 (1-2). doi: 10.1002/elps.202370011.
- Hanf, Lenard, Brüning, Kai, Winter, Martin, und Nowak, Sascha. 2022. „Method Development for the Investigation of Mn2+/3+, Cu2+, Co2+ and Ni2+ with Capillary Electrophoresis Hyphenated to Inductively Coupled Plasma – Mass Spectrometry.“ Electrophoresis 44 (1-2): 89–95. doi: 10.1002/elps.202200139.
- Hanf, L, Winter, M, und Nowak, S. 2021. „Why does aging occur in lithium ion batteries? Advancements in the quantification of transition metal species.“ Wiley Analytical Science Magazine 10.
- Hanf, L, Winter, M, und Nowak, S. 2021. „Warum altern Lithium-Ionen-Batterien? - Entwicklungen zur Quantifizierung von Übergangsmetallspezies.“ GIT Labor-Fachzeitschrift 10: 17–19.
- Hanf, L, Winter, M, und Nowak, S. 2020. „Investigation of Transition Metal Species in Lithium Ion Batteries by Means of CE/ICP-MS.“ präsentiert auf der 53. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS, Münster.
- Hanf, L, Henschel, J, Diehl, M, Winter, M, und Nowak, S. 2020. „Mn2+ or Mn3+? Investigating transition metal dissolution of manganese species in lithium ion battery electrolytes by capillary electrophoresis.“ Electrophoresis 41 (9): 697–704. doi: 10.1002/elps.201900443.
- Hanf, L, Diehl, M, Kemper, L-S, Winter, M, und Nowak, S. 2020. „Cover Page - Investigating the oxidation state of Fe from LiFePO4-based lithium ion battery cathodes via capillary electrophoresis.“ Electrophoresis 41 (18-19). doi: 10.1002/elps.202070102.
- Hanf, L, Diehl, M, Kemper, L-S, Winter, M, und Nowak, S. 2020. „Cover Page - Accessing copper oxidation states of dissolved negative electrode current collectors in lithium ion batteries.“ Electrophoresis 41 (18-19). doi: 10.1002/elps.202070102.
- Hanf, L, Diehl, M, Kemper, L-S, Winter, M, und Nowak, S. 2020. „Accessing copper oxidation states of dissolved negative electrode current collectors in lithium ion batteries.“ Electrophoresis 41 (18-19): 1568–1575. doi: 10.1002/elps.202000155.
- Hanf, L, Diehl, M, Kemper, L-S, Winter, M, und Nowak, S. 2020. „Investigating the oxidation state of Fe from LiFePO4-based lithium ion battery cathodes via capillary electrophoresis.“ Electrophoresis 41 (18-19): 1549–1556. doi: 10.1002/elps.202000097.
- Hanf, L, Winter, M, und Nowak, S. 2019. „Investigation of Transition Metal Dissolution Mechanisms in Lithium Ion Batteries by Means of Capillary Electrophoresis.“ präsentiert auf der ANAKON 2019, Münster.
- Hanf, LM. Leissing, und Winter, MNowak S. 2019. „Investigation of transition metal species in lithium ion battery electrolytes by means of CE/ICP-MS – A new approach to reveal the dissolution mechanism of transition metals from cathode materials.“ präsentiert auf der European Winter Conference on Plasma Spectrochemistry 2019, Pau.
- Hanf, L, Wilken, A, Winter, M, und Nowak, S. 2018. „Investigation of Transition Metal-Based Cathode Materials – Speciation of Dissolved Mn2+/Mn3+ by Means of Capillary Electrophoresis.“ präsentiert auf der 10. Kraftwerk Batterie Fachtagung, Münster.
- Hanf, L, Wilken, A, Winter, M, und Nowak, S. 2018. „QUANTIFICATION OF DISSOLVED MN2+/3+ IN LITHIUM ION BATTERY ELECTROLYTES BY MEANS OF CE/ICP-MS – A NEW APPROACH FOR THE INVESTIGATION OF TRANSITION METAL DISSOLUTION FROM CATHODE MATERIALS.“ präsentiert auf der 9th Nordic Conference on Plasma Spectrochemistry, Loen.
- Hanf, L, Pyschik, M, Winter, M, und Nowak, S. 2017. „IDENTIFICATION AND QUANTIFICATION OF MN2+ AND MN3+ IN LITHIUM ION BATTERY ELECTROLYTES BY MEANS OF CAPILLARY ELECTROPHORESIS AND ULTRAVIOLET-VISIBLE LIGHT-DETECTION.“ präsentiert auf der 23rd International Symposium on Separation Sciences (ISSS 2017), Wien.
- Hanf, L, Wentker, K, Winter, M, und Nowak, S. 2017. „Method Development for Trace Elemental Analysis of Manganese in Lithium Ion Battery Electrolytes by Means of Inductively Coupled Plasma-Sector Field-Mass Spectrometry (ICP SF MS).“ präsentiert auf der European Winter Conference on Plasma Spectrochemistry - EWCPS 2017, St. Anton.
Wissenschaftliche Vorträge
- Hanf, Lenard; Winter, Martin; Nowak, Sascha 2020: “New insights into the capacity fading mechanisms of lithium ion batteries - Investigation of transition metal oxidation states in electrolytes by means of capillary electrophoresis”. 12. Kraftwerk Batterie Fachtagung, Münster, Deutschland, 25.03.2020.
- Hanf, Lenard; Winter, Martin; Nowak, Sascha 2020: “Transition metal speciation in lithium ion battery electrolytes by means of capillary electrophoresis”. 30. Doktorandenseminar des AK Separation Science, Duisburg, Deutschland, 14.01.2020.
- Vortmann-Westhoven, Britta; Kraft, Vadim; Lürenbaum, Constantin; Hanf, Lenard, Diehl; Marcel; Winter, Martin; Nowak, Sascha 2016: “Lithium Ion Batteries: Stoichiometric Characterization of Electrodes and Determination of Transition Metal Dissolution in Electrolytes using CE and IC”. 2nd Global IC User Meeting, Herisau, Schweiz, 29.09.2016.

HANF, Dr. Lenard

Publikationen

Wissenschaftliche Vorträge