Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Asbjørn Ulvestad"'
Autor:
I. J. T. Jensen, Martin Kirkengen, Anita H. Reksten, Marius Uv Nagell, Patricia Almeida Carvalho, Jan Petter Mæhlen, Asbjørn Ulvestad, Hanne Leth Andersen, Alexey Y. Koposov
Publikováno v:
ChemElectroChem
The use of silicon (Si) in the form of nanoparticles is one of the most promising routes for boosting the capacity of modern Li‐ion batteries. Many parameters influence the performance of Si making the comparison of materials complicated. The prese
Autor:
Asbjørn, Ulvestad, Marte O, Skare, Carl Erik, Foss, Henrik, Krogsæter, Jakob F, Reichstein, Thomas J, Preston, Jan Petter, Mæhlen, Hanne F, Andersen, Alexey Y, Koposov
Publikováno v:
ACS Nano
In modern Li-based batteries, alloying anode materials have the potential to drastically improve the volumetric and specific energy storage capacity. For the past decade silicon has been viewed as a “Holy Grail” among these materials; however, se
Autor:
Samson Yuxiu Lai, Alexey Y. Koposov, Asbjørn Ulvestad, Jan Petter Mæhlen, Kenneth D. Knudsen, Benjamin Tjeltveit Sejersted
Publikováno v:
ACS Applied Energy Materials
Silicon in the form of nanoparticles has attracted significant interest in the field of lithium-ion batteries due to the enormous capability of lithium intake. In the present work we demonstrate the characterization of silicon nanoparticles using sma
Autor:
Marte O. Skare, Carl Erik Lie Foss, Jan Petter Mæhlen, Henrik Krogsæter, Asbjørn Ulvestad, Hanne Leth Andersen, Jakob F. Reichstein, Alexey Y. Koposov, Thomas J. Preston
Publikováno v:
16777-16787
ACS Nano
ACS Nano
In modern Li-based batteries, alloying anode materials have the potential to drastically improve the volumetric and specific energy storage capacity. For the past decade silicon has been viewed as a “Holy Grail” among these materials; however, se
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a03aa1b3bcc303f2a20d009f36879992
https://hdl.handle.net/11250/2827638
https://hdl.handle.net/11250/2827638
Autor:
Alexey Y. Koposov, Asbjørn Ulvestad, Daniel Lemordant, Samson Yuxiu Lai, Marte O. Skare, Marius Uv Nagell, Thomas J. Preston, Jan Petter Mæhlen
Publikováno v:
Nanoscale Advances
Amorphous silicon nanoparticles were synthesized through pyrolysis of silane gas at temperatures ranging from 575 to 675 °C. According to the used temperature and silane concentration, two distinct types of particles can be obtained: at 625 °C, sph
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::84253f41e6319d589a84ab0518a70d38
https://hdl.handle.net/11250/2729407
https://hdl.handle.net/11250/2729407
Autor:
Asbjørn Ulvestad, Jan Petter Mæhlen, Ann Mari Svensson, Preben J. S. Vie, Alexey Y. Koposov, Stephan Müssig, Carl Erik Lie Foss
Publikováno v:
Scientific Reports
Scientific Reports, Vol 10, Iss 1, Pp 1-8 (2020)
Scientific Reports, Vol 10, Iss 1, Pp 1-8 (2020)
Silicon, while suffering from major degradation issues, has been recognized as a next promising material to replace currently used graphite in the anodes of Li-ion batteries. Several pathways to mitigate the capacity fading of silicon has been propos
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f38f4f69d870f8dbf141ff9fdc00d7b1
https://hdl.handle.net/11250/2673406
https://hdl.handle.net/11250/2673406
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-10 (2017)
Scientific Reports
Scientific Reports
Silicon has been the subject of an extensive research effort aimed at developing new anode materials for lithium ion batteries due to its large specific and volumetric capacity. However, commercial use is limited by a number of degradation problems,
Autor:
Tommy Mokkelbost, Per Erik Vullum, Jan Petter Mæhlen, Asbjørn Ulvestad, Jorunn Voje, Hanne Leth Andersen, Carl Erik Lie Foss, Ragnar Tronstad, Martin Kirkengen
Publikováno v:
Scientific Reports
Scientific Reports, Vol 9, Iss 1, Pp 1-9 (2019)
Scientific Reports, Vol 9, Iss 1, Pp 1-9 (2019)
In this work, silicon/carbon composites for anode electrodes of Li-ion batteries are prepared from Elkem’s Silgrain® line. Gentle ball milling is used to reduce particle size of Silgrain, and the resulting Si powder consists of micrometic Si with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::923b23403af69efa2ab6c3453b17128f
https://hdl.handle.net/11250/2624756
https://hdl.handle.net/11250/2624756
Autor:
Jan Petter Mæhlen, I. J. T. Jensen, Øystein Prytz, Hanne Leth Andersen, Asbjørn Ulvestad, Martin Kirkengen, Trygve Mongstad
Publikováno v:
Scientific Reports, Vol 8, Iss 1, Pp 1-13 (2018)
Scientific Reports
Scientific Reports
Silicon is often regarded as a likely candidate to replace graphite as the main active anode material in next-generation lithium ion batteries; however, a number of problems impacting its cycle stability have limited its commercial relevance. One app
Publikováno v:
Journal of Power Sources
An extensive research effort is being made to develop the next generation of anode materials for lithium ion batteries. A large part of this effort has been related to silicon, primarily due to its considerable theoretical capacity; however, very lim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bcd5b9bbc0899a290bdde9f46e05a123
https://hdl.handle.net/11250/2558351
https://hdl.handle.net/11250/2558351