Zobrazeno 1 - 10 of 138 pro vyhledávání: '"Philipp Adelhelm"'
1
Akademický článek
Mechanochemically synthesized Cu3P/C composites as a conversion electrode for Li-ion and Na-ion batteries in different electrolytes
Autor: Wolfgang Brehm, Aggunda L. Santhosha, Zhenggang Zhang, Christof Neumann, Andrey Turchanin, Martin Seyring, Markus Rettenmayr, Johannes R. Buchheim, Philipp Adelhelm
Publikováno v: Journal of Power Sources Advances, Vol 6, Iss , Pp 100031- (2020)
Copper phosphide (Cu3P) is a potentially high volumetric capacity conversion electrode for the use in Li-ion as well as in Na-ion batteries. Here, we study the lithium and sodium storage properties of Cu3P/Carbon (Cu3P/C) composites containing 70 wt%
Externí odkaz: https://doaj.org/article/ef7755689baf4977b04f255e33cfe5c6
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2
Akademický článek
Towards low-cost sodium-ion batteries: electrode behavior of graphite electrodes obtained from spheroidization waste fractions and their structure-property relations
Autor: Ines Escher, Marilena Mancini, Jan Martin, Knut Arne Janßen, Peter Axmann, Philipp Adelhelm
Publikováno v: JPhys Energy, Vol 5, Iss 1, p 014011 (2022)
Electrode materials for lithium-ion batteries (LIBs) typically show spherical particle shapes. For cathode materials, the spherical shape is obtained through the synthesis method. For graphite, the by far most popular anode material for LIBs, spheric
Externí odkaz: https://doaj.org/article/fd8de8ff3e954922a5ffb1b393d30bad
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3
Akademický článek
From lithium to sodium: cell chemistry of room temperature sodium–air and sodium–sulfur batteries
Autor: Philipp Adelhelm, Pascal Hartmann, Conrad L. Bender, Martin Busche, Christine Eufinger, Juergen Janek
Publikováno v: Beilstein Journal of Nanotechnology, Vol 6, Iss 1, Pp 1016-1055 (2015)
Research devoted to room temperature lithium–sulfur (Li/S8) and lithium–oxygen (Li/O2) batteries has significantly increased over the past ten years. The race to develop such cell systems is mainly motivated by the very high theoretical energy de
Externí odkaz: https://doaj.org/article/1fb520bccd5046c7bfa929a69f980550
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4
Akademický článek
Boehm Titration Revisited (Part I): Practical Aspects for Achieving a High Precision in Quantifying Oxygen-Containing Surface Groups on Carbon Materials
Autor: Jan Schönherr, Johannes R. Buchheim, Peter Scholz, Philipp Adelhelm
Publikováno v: C, Vol 4, Iss 2, p 21 (2018)
Practical aspects of the Boehm titration method are evaluated for obtaining reliable results in the quantification of oxygen-containing surface groups in a short time. Analytical criteria such as accuracy, repeatability, precision, and robustness are
Externí odkaz: https://doaj.org/article/3d5a1e4b8e73413abded67823b70296f
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5
Akademický článek
Boehm Titration Revisited (Part II): A Comparison of Boehm Titration with Other Analytical Techniques on the Quantification of Oxygen-Containing Surface Groups for a Variety of Carbon Materials
Autor: Jan Schönherr, Johannes R. Buchheim, Peter Scholz, Philipp Adelhelm
Publikováno v: C, Vol 4, Iss 2, p 22 (2018)
The use of the Boehm titration (BT) method as an analytical tool for the quantification of oxygen-containing surface groups is systematically investigated for oxidized carbon black, carbon nanotubes and two active carbons with specific surface areas
Externí odkaz: https://doaj.org/article/0135927bd415435f916543088bf6a89c
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6
Akademický článek
On the use of mesophase pitch for the preparation of hierarchical porous carbon monoliths by nanocasting
Autor: Philipp Adelhelm, Karin Cabrera and Bernd M Smarsly
Publikováno v: Science and Technology of Advanced Materials, Vol 13, Iss 1, p 015010 (2012)
A detailed study is given on the synthesis of a hierarchical porous carbon, possessing both meso- and macropores, using a mesophase pitch (MP) as the carbon precursor. This carbon material is prepared by the nanocasting approach involving the replica
Externí odkaz: https://doaj.org/article/35d435eeb91c412ba835e503721313ec
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9
Tin–Graphite Composite as a High-Capacity Anode for All-Solid-State Li-Ion Batteries
Autor: Thangavelu Palaniselvam, Annica I. Freytag, Hyein Moon, Knut Arne Janßen, Stefano Passerini, Philipp Adelhelm
Publikováno v: The Journal of Physical Chemistry C. 126:13043-13052
The use of composites instead of pure metals as negative electrodes is an alternative strategy for making all-solid-state lithium-ion batteries (Li-SSBs) more viable. This study reports on the properties of a composite electrode (Sn/Graphite) consist
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ada6c5e335efca728095db3731897b6d
https://doi.org/10.1021/acs.jpcc.2c04024
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10
Solid state NMR study on the structure and dynamics of graphite electrodes in sodium ion batteries with solvent co intercalation
Autor: Ines Escher, Annica I. Freytag, Juan Miguel López del Amo, Philipp Adelhelm
The possibility to co intercalate sodium ions together with various glymes in graphite enables its use as a negative electrode material in sodium ion batteries SIBs . However, the storage mechanism and local interactions appearing during this reactio
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f61c7d125cf530a81dfd8f23fe65d875
http://www.helmholtz-berlin.de/pubbin/oai_publication?VT=1&ID=108407
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