2024

Haller, Steffen ; Chaby Ribeiro, Catarina de ; Reinauer, Felix ; Yadav, Sandeep ; Ni, Lingmei ; Stark, Robert W. ; Schneider, Jörg J. ; Kramm, Ulrike I. (2024)
Influence of Hydrophilicity on the Performance of Bifunctional Cobalt-Based Catalysts in Zn–Air Batteries.
In: ACS Applied Energy Materials, 7 (11)
doi: 10.1021/acsaem.4c00153
Artikel, Bibliographie

2023

Ni, Lingmei ; Davydova, Elena S. ; Singh, Ramesh K. ; Kolik-Shmuel, Lubov ; Dekel, Dario R. ; Kramm, Ulrike I. (2023)
Role of Fe in the hydrogen oxidation reaction in a NiFe-based catalyst: an in situ Mossbauer spectroscopic investigation.
In: Journal of Physics: Energy, 5 (3)
doi: 10.1088/2515-7655/acd661
Artikel, Bibliographie

Chen, Guangbo ; Lu, Ruihu ; Li, Chenzhao ; Yu, Jianmin ; Li, Xiaodong ; Ni, Lingmei ; Zhang, Qi ; Zhu, Guangqi ; Liu, Shengwen ; Zhang, Jiaxu ; Kramm, Ulrike I. ; Zhao, Yan ; Wu, Gang ; Xie, Jian ; Feng, Xinliang (2023)
Hierarchically porous carbons with highly curved surfaces for hosting single metal FeN4 sites as outstanding oxygen reduction catalysts.
In: Advanced Materials, 35 (32)
doi: 10.1002/adma.202300907
Artikel, Bibliographie

Ni, Lingmei (2023)
Active site investigation of FeNC catalysts via in situ and operando Mössbauer spectroscopy.
Technische Universität Darmstadt
doi: 10.26083/tuprints-00024098
Dissertation, Erstveröffentlichung, Verlagsversion

2022

Scharf, Janik ; Kübler, Markus ; Gridin, Vladislav ; Wallace, W. David Z. ; Ni, Lingmei ; Paul, Stephen Daniel ; Kramm, Ulrike I. (2022)
Relation between half-cell and fuel cell activity and stability of FeNC catalysts for the oxygen reduction reaction.
In: Sustainable Materials and Technologies, 2 (5)
doi: 10.1002/sus2.84
Artikel, Bibliographie

Ni, Lingmei ; Gallenkamp, Charlotte ; Wagner, Stephan ; Bill, Eckhard ; Krewald, Vera ; Kramm, Ulrike I. (2022)
Identification of the catalytically dominant iron environment in iron- and nitrogen-doped carbon catalysts for the oxygen reduction reaction.
In: Journal of the American Chemical Society, 144 (37)
doi: 10.1021/jacs.2c04865
Artikel, Bibliographie

Ebner, Kathrin ; Clark, Adam H. ; Saveleva, Viktoriia A. ; Smolentsev, Grigory ; Chen, Jingfeng ; Ni, Lingmei ; Zitolo, Andrea ; Jaouen, Frédéric ; Kramm, Ulrike I. ; Schmidt, Thomas J. ; Herranz, Juan (2022)
Time-resolved potential-induced changes in Fe/N/C-catalysts studied by in situ modulation excitation x-ray absorption spectroscopy.
In: Advanced Energy Materials, 12 (14)
doi: 10.1002/aenm.202103699
Artikel, Bibliographie

Tao, Xiafang ; Lu, Ruihu ; Ni, Lingmei ; Gridin, Vladislav ; Al-Hilfi, Samir H. ; Qiu, Zijie ; Zhao, Yan ; Kramm, Ulrike I. ; Zhou, Yazhou ; Müllen, Klaus (2022)
Facilitating the acidic oxygen reduction of Fe–N–C catalysts by fluorine-doping.
In: Materials Horizons, 9 (1)
doi: 10.1039/d1mh01307f
Artikel, Bibliographie

Prössl, Carolin ; Kübler, Markus ; Paul, Stephen ; Ni, Lingmei ; Kinkelin, Simon-Johannes ; Heppe, Nils ; Eberhardt, Klaus ; Geppert, Christopher ; Jaegermann, Wolfram ; Stark, Robert W. ; Bron, Michael ; Kramm, Ulrike I. (2022)
Impact of Ir modification on the durability of FeNC catalysts under start-up and shutdown cycle conditions.
In: Journal of Materials Chemistry A, 10 (11)
doi: 10.1039/D1TA04668C
Artikel, Bibliographie

2021

Ni, Lingmei ; Theis, Pascal ; Paul, Stephen ; Stark, Robert W. ; Kramm, Ulrike I. (2021)
In situ 57Fe mössbauer study of a porphyrin based FeNC catalyst for ORR.
In: Electrochimica Acta, 395
doi: 10.1016/j.electacta.2021.139200
Artikel, Bibliographie

Theis, Pascal ; Wallace, W. David Z. ; Ni, Lingmei ; Kübler, Markus ; Schlander, Annika ; Stark, Robert W. ; Weidler, Natascha ; Gallei, Markus ; Kramm, Ulrike I. (2021)
Systematic study of precursor effects on structure and oxygen reduction reaction activity of FeNC catalysts.
In: Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 379 (2209)
doi: 10.1098/RSTA.2020.0337
Artikel, Bibliographie

Paul, Stephen ; Kao, Yi-Lin ; Ni, Lingmei ; Ehnert, Rayko ; Herrmann-Geppert, Iris ; Krol, Roel van de ; Stark, Robert W. ; Jaegermann, Wolfram ; Kramm, Ulrike I. ; Bogdanoff, Peter (2021)
Influence of the Metal Center in M–N–C Catalysts on the CO2 Reduction Reaction on Gas Diffusion Electrodes.
In: ACS Catalysis, 11 (9)
doi: 10.1021/acscatal.0c05596
Artikel, Bibliographie

Ni, Lingmei ; Gallenkamp, Charlotte ; Paul, Stephen ; Kübler, Markus ; Theis, Pascal ; Chabbra, Sonia ; Hofmann, Kathrin ; Bill, Eckhard ; Schnegg, Alexander ; Albert, Barbara ; Krewald, Vera ; Kramm, Ulrike I. (2021)
Active Site Identification in FeNC Catalysts and Their Assignment to the Oxygen Reduction Reaction Pathway by In Situ 57Fe Mössbauer Spectroscopy.
In: Advanced Energy and Sustainability Research
doi: 10.1002/aesr.202000064
Artikel, Bibliographie

Ebner, Kathrin ; Ni, Lingmei ; Saveleva, Viktoriia A. ; Le Monnier, Benjamin P. ; Clark, Adam H. ; Krumeich, Frank ; Nachtegaal, Maarten ; Luterbacher, Jeremy S. ; Kramm, Ulrike I. ; Schmidt, Thomas J. ; Herranz, Juan (2021)
57Fe-Enrichment effect on the composition and performance of Fe-based O2-reduction electrocatalysts.
In: Physical Chemistry Chemical Physics, 23 (15)
doi: 10.1039/d1cp00707f
Artikel, Bibliographie

Saveleva, Viktoriia A. ; Ebner, Kathrin ; Ni, Lingmei ; Smolentsev, Grigory ; Klose, Daniel ; Zitolo, Andrea ; Marelli, Elena ; Li, Jingkun ; Medarde, Marisa ; Safonova, Olga V. ; Nachtegaal, Maarten ; Jaouen, Frédéric ; Kramm, Ulrike I. ; Schmidt, Thomas J. ; Herranz, Juan (2021)
Potential‐Induced Spin Changes in Fe/N/C Electrocatalysts Assessed by In Situ X‐ray Emission Spectroscopy.
In: Angewandte Chemie International Edition, 60 (21)
doi: 10.1002/anie.202016951
Artikel, Bibliographie

2020

Waidha, Aamir Iqbal ; Ni, Lingmei ; Ali, Jasim ; Lepple, Maren ; Donzelli, Manuel ; Dasgupta, Supratik ; Wollstadt, Stephan ; Alff, Lambert ; Kramm, Ulrike I. ; Clemens, Oliver (2020)
Synthesis of bifunctional BaFe1−xCoxO3−y−δ(OH)y catalysts for the oxygen reduction reaction and oxygen evolution reaction.
In: Journal of Materials Chemistry A, 8 (2)
doi: 10.1039/C9TA10222A
Artikel, Bibliographie

2019

Kramm, Ulrike I. ; Ni, Lingmei ; Wagner, Stephan (2019)
57Fe Mössbauer Spectroscopy Characterization of Electrocatalysts.
In: Advanced Materials, 31 (31)
doi: 10.1002/adma.201805623
Artikel, Bibliographie