High-Resolution Surface Analysis on Aluminum Oxide-Coated Li1.2Mn0.55Ni0.15Co0.1O2 with Improved Capacity Retention

Autor: Sven Ole Steinmüller, Björn Schwarz, Florian Sigel, Nadine Dannehl, Helmut Ehrenberg, Mathias Pein, Ulrich Hasenkox, Sylvio Indris, Lars Esmezjan, Dorothée Vinga Szabó

Publikováno v: ACS Applied Materials & Interfaces. 10:43131-43143

Thin alumina coatings on Li-rich nickel cobalt manganese oxide (Li-rich NCM) particles used as cathode material in Li-ion batteries can improve the capacity retention during cycling. However, the underlying mechanisms are still not fully understood.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6843aa6d9447ac7a2ea709921ef0d77e
https://doi.org/10.1021/acsami.8b09550

Surface Functionalization of Silicon, HOPG, and Graphite Electrodes: Toward an Artificial Solid Electrolyte Interface

Autor: Michael A. R. Meier, Benjamin Bitterer, Helmut Ehrenberg, Sven Ole Steinmüller, Isabelle D. Wessely, Stefan Bräse, Audrey Llevot, Dominique S. Moock, Frieder Scheiba

Publikováno v: ACS Applied Materials & Interfaces
ACS Applied Materials & Interfaces, Washington, D.C. : American Chemical Society, 2018, 10 (28), pp.24172-24180. ⟨10.1021/acsami.8b04877⟩

Electrografting of diazonium salts containing a protected alkyne moiety was used for the first functionalization of silicon and highly ordered pyrolytic graphite model surfaces. After deprotection with tetrabutylammonium fluoride, further layers were

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5854803a7152d49a028a5230dab8925e
https://hal.archives-ouvertes.fr/hal-01873298

Sequence-controlled molecular layers on surfaces by thiol–ene chemistry: synthesis and multitechnique characterization

Autor: Stefan Walheim, Sven Ole Steinmüller, Audrey Llevot, Stefan Bräse, Michael A. R. Meier, Frieder Scheiba, Benjamin Bitterer, Jonathan Berson, Thomas Schimmel, Barbara Ridder

Publikováno v: Polymer Chemistry
Polymer Chemistry, Royal Society of Chemistry-RSC, 2017, 8 (38), pp.5824-5828. ⟨10.1039/C7PY01515A⟩

Silicon surfaces were functionalized by thiol–ene chemistry using sequential reactions of different α,ω-dienes and α,ω-dithiols bearing marker moieties. A system of six individual layers was achieved and exhaustively characterized by combining

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2c9eac0fa08659aa95d5577d607fd1b0
https://hal.archives-ouvertes.fr/hal-01873286

37.2: Invited Paper: The Role of the Impurity Diffusion Barrier for the Cathode Material in AC PDP

Autor: Ki-Woong Whang, Tae-Ho Lee, Sven Ole Steinmüller, Hee-Woon Cheong, Jürgen Janek

Publikováno v: SID Symposium Digest of Technical Papers. 42:505-507

In this paper, it will be shown that we can reduce the driving voltage and improve the luminance and luminous efficacy of Plasma Display Panel(PDP) significantly by blocking the diffusion of impurities into the cathode layer which occurs during the h

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4cb53ca9802251e84d317831d6270b7f
https://doi.org/10.1889/1.3621368

The role of a diffusion barrier in plasma display panel with the high gamma cathode layer

Autor: Tae-Hoo Lee, Ohyung Kwon, Ki-Woong Whang, Jürgen Janek, Sven Ole Steinmüller, Hee-Woon Cheong

Publikováno v: Applied Physics Letters, 2011, 99(17), Article 171501, 1-3; doi:10.1063/1.3655329

Plasma display panel (PDP) with MgO-SrO double cathode layer and SiO(2) diffusion barrier is proposed to make the SrO layer free of contaminations. Time of flight-secondary ion mass spectrometry (TOF-SIMS) analysis shows the diffusion of impurities,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::32a52fd78a73461b43a5cb51903c10e5
https://doi.org/10.1063/1.3655329