Výsledky vyhledávání - "A. R. Seidel"

Akademický článek

Reator Eletrônico para Iluminação Fluorescente Boost Push-Pull com Alto Fator de Potência Empregando um Único Interruptor

Autor: F. E. Bisogno, A. R. Seidel, T. B. Marchesan, R. N. do Prado

Publikováno v: Eletrônica de Potência, Vol 8, Iss 1, Pp 66-73 (2003)

Este artigo descreve um reator eletrônico que opera com um único estágio de conversão de potência empregando apenas um interruptor ativo, com alto fator de potência para duas lâmpadas fluorescentes T1240W. A topologia emprega um conversor boos

Externí odkaz: https://doaj.org/article/882217d1617641af885b7ffdb1c1d972

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Akademický článek

Resonant Circuit Design Procedure for Multi-watt T5 Electronic Ballasts

Autor: M. S. Perdigão, A. R. Seidel, H. V. Marques, J. M. Alonso, E. S. Saraiva

Publikováno v: Eletrônica de Potência, Vol 18, Iss 1 (2013)

This paper proposes a resonant circuit design procedure for multi- Watt magnetically-controlled electronic ballasts. The procedure is focused on the ballast performance, which has the advantage of operating at constant-frequency, and complies with cu

Externí odkaz: https://doaj.org/article/9a74d173cbe04a76820b862eed5d4791

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Akademický článek

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Akademický článek

Accessing the solid electrolyte interphase on silicon anodes for lithium-ion batteries in-situ through transmission soft X-ray absorption spectroscopy

Autor: M. Schellenberger, R. Golnak, W.G. Quevedo Garzon, S. Risse, R. Seidel

Publikováno v: Materials Today Advances, Vol 14, Iss , Pp 100215- (2022)

Silicon offers nine times higher theoretical storage capacity than commercial graphite anodes for Li-ion batteries. For cycling stability, the electrolyte needs to be kinetically stabilized by the so-called Solid Electrolyte Interphase (SEI), a layer

Externí odkaz: https://doaj.org/article/95b6b39a8a6e4ac89c5579964f1e106d

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Ångstrom-Depth Resolution with Chemical Specificity at the Liquid-Vapor Interface

Autor: R. Dupuy, J. Filser, C. Richter, T. Buttersack, F. Trinter, S. Gholami, R. Seidel, C. Nicolas, J. Bozek, D. Egger, H. Oberhofer, S. Thürmer, U. Hergenhahn, K. Reuter, B. Winter, H. Bluhm

Publikováno v: Physical Review Letters
Physical Review Letters, 2023, 130 (15), pp.156901. ⟨10.1103/PhysRevLett.130.156901⟩

The determination of depth profiles across interfaces is of primary importance in many scientific and technological areas. Photoemission spectroscopy is in principle well suited for this purpose, yet a quantitative implementation for investigations o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ffe5779017c41f17a5797cee6219f5a2
https://hal.science/hal-04088308

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Resonant X-ray photoelectron spectroscopy: identification of atomic contributions to valence states

Autor: J. M. Seymour, E. Gousseva, R. A. Bennett, A. I. Large, G. Held, D. Hein, G. Wartner, W. Quevedo, R. Seidel, C. Kolbeck, C. J. Clarke, R. M. Fogarty, R. A. Bourne, R. G. Palgrave, P. A. Hunt, K. R. J. Lovelock

Publikováno v: Faraday Discussions

Valence electronic structure is crucial for understanding and predicting reactivity. Valence non-resonant X-ray photoelectron spectroscopy (NRXPS) provides a direct method for probing the overall valence electronic structure. However, it is often dif

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d502211d26eeea54b241076bd2b6d540
https://doi.org/10.1039/d1fd00117e

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Plataforma para testes de LEDs UV-C em aplicações de desinfecção microbiológica

Autor: Marcelo S. da Costa, Alysson R. Seidel, Rodrigo V. Tambara, Maikel F. Menke

Publikováno v: Proceedings of the 14th Seminar on Power Electronics and Control (SEPOC 2022).

Este artigo apresenta uma plataforma de testes de radiação UV-C para ação germicida (ou desinfecção micro-biológica), utilizando LEDs. Ela é composta pela matriz de LEDs UV-C, a instrumentação necessária para a medição da irradiância, e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e2d60f4481e5245d10095c03558e15f2
https://doi.org/10.53316/sepoc2022.024

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