Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Olaf Klepel"'
Autor:
Olaf Klepel, Nina Danneberg
Publikováno v:
C, Vol 6, Iss 2, p 32 (2020)
Porous carbon monoliths can be used as key components in a variety of applications, such as energy storage, adsorption and catalysis. The preparation of porous carbon monoliths suffers from several limitations, e.g., time-consuming synthesis steps, t
Externí odkaz:
https://doaj.org/article/61c154ef202e421eb51a8e2973e350d9
Publikováno v:
Materials, Vol 9, Iss 3, p 214 (2016)
The preparation of porous carbon monoliths with a defined shape via template-assisted routes is reported. Monoliths made from porous concrete and zeolite were each used as the template. The porous concrete-derived carbon monoliths exhibited high grav
Externí odkaz:
https://doaj.org/article/fa7175c27aa0467493d0d5330028bce2
Autor:
Olaf Klepel, Samuel Ghomsi Wabo
Publikováno v:
Carbon Letters.
The simultaneous use of KOH and nitrogen to manufacture carbon materials provides these materials with properties that the presence of only one of these additives would not give them, such as high porosity and reactivity. However, it is difficult to
Autor:
Olaf Klepel, Michael Taubert
Publikováno v:
Microporous and Mesoporous Materials. 280:243-247
Porous concrete has been proven as a promising template to prepare porous carbon monoliths because it can easily be formed to any geometric shape. To optimize the pore size distribution the template-assisted route can be combined with steps of the cl
Autor:
Carlos Morales, J.C. Navarro de Miguel, Miriam González-Castaño, Olaf Klepel, Harvey Arellano-Garcia, J.H. Boelte, Jan Ingo Flege
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
instname
Digital.CSIC: Repositorio Institucional del CSIC
Consejo Superior de Investigaciones Científicas (CSIC)
instname
Digital.CSIC: Repositorio Institucional del CSIC
Consejo Superior de Investigaciones Científicas (CSIC)
Among challenges implicit in the transition to the post–fossil fuel energetic model, the finite amount of resources available for the technological implementation of CO2 revalorizing processes arises as a central issue. The development of fully ren
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d3ba906e4292796cd3954062bf32219
http://hdl.handle.net/10261/246312
http://hdl.handle.net/10261/246312
Publikováno v:
Biochemical Engineering Journal. 138:63-73
Hierarchically structured, porous carbon materials (PCM) were synthesized by sucrose infiltration into template material and subsequent carbonization. Three porous carbon materials were prepared using porous concrete (PCM-01) or silica gel (PCM-02 an
Publikováno v:
Chemical Engineering & Technology. 41:2087-2092
Autor:
Miguel Ángel Centeno, Juan Carlos Navarro de Miguel, Harvey Arellano-Garcia, Jens-H. Boelte, Olaf Klepel, Miriam González-Castaño
Publikováno v:
Microporous and Mesoporous Materials. 327:111405
In heterogeneous catalysis, the benefits of employing adequate textural properties on the catalytic performances are usually stated. Nevertheless, the quantification of the extent of improvement is not an easy task since variations on the catalysts'
Autor:
Robert Heinemann, Piotr Kuśtrowski, Felix Hansen, Jens-Henning Bölte, Andre Meißner, Tim Sieber, Anna Rokicińska, Mark König, Sebastian Jarczewski, Carolin Vormelchert, Olaf Klepel, Michael Bron, Stephan Utgenannt
Publikováno v:
Microporous and Mesoporous Materials. 323:111257
A modular synthesis concept to prepare a library of mainly amorphous porous carbons has been developed. The carbons show – while keeping the textural properties nearly unchanged - systematically varied features such as the content of nitrogen, oxyg
Publikováno v:
Materials Sciences and Applications. :614-627
In this contribution, the template assisted synthesis of porous carbons by chemical vapor deposition in porous concrete templates has been described for the first time. Porous concrete made templates can be obtained in almost any geometrical shape an