Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Hannes Wagner"'
Publikováno v:
IEEE Journal of Photovoltaics. 10:1441-1447
Crystalline silicon solar cells with the passivated emitter and rear cell (PERC) design are currently the mainstream cell architecture in industry. Due to the rather complicated device structure, it has been challenging to understand how variations i
Publikováno v:
2021 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD).
We present a methodology where we combine numerical TCAD device modeling, machine learning and advanced statistics for getting a deeper understanding of how process variations influence device performance in mass produced crystalline silicon solar ce
Autor:
Sascha Esefelder, Philip Jager, Bernhard Kloter, Rolf Brendel, Dennis Bredemeier, Hannes Wagner-Mohnsen, Bernhard Mitchell, Carsten Schinke
Publikováno v:
2021 IEEE 48th Photovoltaic Specialists Conference (PVSC).
Advanced mathematical methods, like machine learning or genetic algorithms, have the potential to further accelerate the computer-aided optimization of processes. In this paper we combine the power of sophisticated numerical simulations with these mo
Autor:
Raphael Niepelt, Timo Gewohn, Dennis Bredemeier, Carsten Schinke, Hannes Wagner-Mohnsen, Rolf Brendel
Publikováno v:
2021 IEEE 48th Photovoltaic Specialists Conference (PVSC).
The accurate calculation of annual insolation for a large amount of building surfaces in urban environments is a key prerequisite for a targeted increase of the installed PV capacity. In this study, we build a digital city model upon publicly availab
Autor:
Byungsul Min, Matthias Müller, Pietro P. Altermatt, Holger Neuhaus, Hannes Wagner, Gerd Fischer, Rolf Brendel
Publikováno v:
IEEE Journal of Photovoltaics. 7:1541-1550
Many manufacturers choose the passivated emitter and rear cell (PERC) approach in order to surpass the 20% cell efficiency level in mass production. In this paper, we study the efficiency potential of the PERC approach under realistic assumptions for
Autor:
Pierre J. Verlinden, Hannes Wagner, Tonio Buonassisi, Zhen Xiong, Pietro P. Altermatt, David Berney Needleman
Publikováno v:
Solar Energy Materials and Solar Cells. 158:29-36
In recent years, low-cost silicon for photovoltaic applications has trended toward smaller grain sizes with lower dislocation densities. These changes, coupled with advanced device architectures like heterojunction and passivated emitter and rear cel
Autor:
Alexandra N. Loginova, Björn Fiedler, Toste Tanhua, Johannes Karstensen, Florian Schütte, Arne Körtzinger, Helena Hauss, Carolin R. Löscher, Rainer Kiko, Hannes Wagner, Damian Grundle, P. Silva
Publikováno v:
Biogeosciences, Vol 13, Iss 19, Pp 5633-5647 (2016)
Biogeosciences (BG), 13 . pp. 5633-5647.
Biogeosciences (BG), 13 . pp. 5633-5647.
The occurrence of mesoscale eddies that develop suboxic environments at shallow depth (about 40–100 m) has recently been reported for the eastern tropical North Atlantic (ETNA). Their hydrographic structure suggests that the water mass inside the e
Autor:
Konrad Samwer, Bo Zhang, M. Büchsenschütz-Göbeler, Y. Luo, Walter Arnold, Hannes Wagner, Stefan Küchemann
Publikováno v:
Archives of Metallurgy and Materials, Vol 61, Iss 1, Pp 9-12 (2016)
For the past two decades, atomic force acoustic microscopy (AFAM), an advanced scanning probe microscopy technique, has played a promising role in materials characterization with a good lateral resolution at micro/nano dimensions. AFAM is based on in
Autor:
Agnes Merkle, Pietro P. Altermatt, Sébastien Legendre, A. Tempez, Nadine Wehmeier, Thorsten Dullweber, Anja Nowack, Bianca Lim, Hannes Wagner
Publikováno v:
IEEE Journal of Photovoltaics. 6:119-125
We investigate boron silicate glasses (BSG) deposited by plasma-enhanced chemical vapor deposition (PECVD) as a boron diffusion source on n-type wafers for the simplified fabrication of crystalline Si solar cells by the codiffusion processes. By vary
Autor:
Giso Hahn, Daniel Skorka, Erin E. Looney, Steven A. Ringel, Feng Ye, Jonas Schön, Keith R. McIntosh, Tabea Luka, Yang Yang, Tonio Buonassisi, Marko Turek, Thorsten Trupke, Peter Geelan-Small, Weiwei Deng, Qiuxiang He, Felix Frühauf, Clemens Winter, Daniel Chung, Christian Hagendorf, Pierre J. Verlinden, David Berney Needleman, Ben A. Sudbury, Daniel Macdonald, Yifeng Chen, Malcolm Abbott, Annika Zuschlag, Zhiqiang Feng, Dominik Lausch, Christine Jackson, Otwin Breitenstein, Wolfram Kwapil, Pietro P. Altermatt, Aaron R. Arehart, Zhen Xiong, AnYao Liu, Hannes Wagner-Mohnsen, Bernhard Mitchell
Publikováno v:
Solar Energy
other univ website
other univ website
Recent progress in the electronic quality of high-performance (HP) multicrystalline silicon material is reported with measurements and modeling performed at various institutions and research groups. It is shown that recent progress has been made in t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f509fb89b7aea38a3ee136105f065648
https://hdl.handle.net/21.11116/0000-0009-273D-821.11116/0000-0009-273F-6
https://hdl.handle.net/21.11116/0000-0009-273D-821.11116/0000-0009-273F-6