Zobrazeno 1 - 10
of 161
pro vyhledávání: '"Ralph Gilles"'
Autor:
Lucas Wells, Thien An Pham, Gebrekidan Gebresilassie Eshetu, Stefan Seidlmayer, Giovanni Ceccio, Antonino Cannavo, Jiří Vacík, Adrian Mikitisin, Peter Müller‐Buschbaum, Ralph Gilles, Egbert Figgemeier
Publikováno v:
ChemElectroChem, Vol 11, Iss 17, Pp n/a-n/a (2024)
Abstract Aluminum, due to its high abundance, very attractive theoretical capacity, low cost, low (de−) lithiation potential, light weight, and effective suppression of dendrite growth, is considered as a promising anode candidate for lithium‐ion
Externí odkaz:
https://doaj.org/article/e846fbc5405f4563904f38cb78c1d10c
Publikováno v:
Solids, Vol 4, Iss 1, Pp 87-93 (2023)
Complex perovskite La2(Al1/2MgTa1/2)O6 (LAMT) crystallizes in a monoclinic unit cell with space group P21/n at room temperature. Its B-site cations are ordered in a rock-salt-type arrangement. Previously, the full occupancy of Mg on the 2c-Wyckoff po
Externí odkaz:
https://doaj.org/article/2d9e6dd07be94f499171fbb5e6530f64
Autor:
Jonathan Schubert, Lukas Grossmann, Stefan Seidlmayer, Karl-Heinz Pettinger, Ralph Gilles, Michael A. Danzer
Publikováno v:
Energies, Vol 16, Iss 11, p 4485 (2023)
The dual-ion “Saltwater Battery” based on aqueous electrolyte containing sodium ions and lithium ions is believed to be one of the safest and environmentally friendliest battery technologies. The anode consists of sodium titanium phosphate, where
Externí odkaz:
https://doaj.org/article/69c89b35d266456081f753ff036fa785
Cracking during High-Temperature Deformation of a High-Strength Polycrystalline CoNi-Base Superalloy
Autor:
Daniel Hausmann, Lisa Patricia Freund, Cecilia Solís, Sven Giese, Mathias Göken, Ralph Gilles, Steffen Neumeier
Publikováno v:
Metals, Vol 12, Iss 9, p 1520 (2022)
The crack susceptibility during processing has a crucial influence on the workability of wrought alloys. In particular, the processing of high-strength alloys that are prone to cracking is challenging and various process parameters have to be optimiz
Externí odkaz:
https://doaj.org/article/241c98c4f0394d3ab0d6db5fafe21b42
Publikováno v:
Metals, Vol 12, Iss 7, p 1067 (2022)
The dissolution of nano-sized Ni3Al-based γ′ precipitates was investigated in the newly developed polycrystalline nickel-based VDM® Alloy 780 at the surface and in the bulk region with in-situ lab-source and synchrotron X-ray diffraction. These s
Externí odkaz:
https://doaj.org/article/0fef71cd094542dba91baf0c1df87493
Autor:
Frank Kümmel, Andreas Kirchmayer, Cecilia Solís, Michael Hofmann, Steffen Neumeier, Ralph Gilles
Publikováno v:
Metals, Vol 11, Iss 5, p 719 (2021)
Polycrystalline Ni-based superalloys are one of the most frequently used materials for high temperature load-bearing applications due to their superior mechanical strength and chemical resistance. In this paper, we presented an in situ diffraction st
Externí odkaz:
https://doaj.org/article/116f39f72c5b4508b2e73eb120e30816
Autor:
Martin Frankenberger, Markus Trunk, Stefan Seidlmayer, Alexander Dinter, Johannes Dittloff, Lukas Werner, Roman Gernhäuser, Zsolt Revay, Bastian Märkisch, Ralph Gilles, Karl-Heinz Pettinger
Publikováno v:
Batteries, Vol 6, Iss 2, p 21 (2020)
The accumulation of solid electrolyte interphases (SEI) in graphite anodes related to elevated formation rates (0.1C, 1C and 2C), cycling rates (1C and 2C), and electrode-separator lamination is investigated. As shown previously, the lamination techn
Externí odkaz:
https://doaj.org/article/20eec20cb4fc41aea97a2aa62dc0caf1
Publikováno v:
Advances in Materials Science and Engineering, Vol 2018 (2018)
In situ neutron diffraction measurements were performed during heating to high temperature and cooling for a Co-17Re-23Cr-25Ni alloy. The allotropic transformation of the Co matrix and the evolution of the low-temperature hexagonal and high-temperatu
Externí odkaz:
https://doaj.org/article/e826278ba3134a74b9685f59a80d6ab4
Autor:
Přemysl Beran, Debashis Mukherji, Pavel Strunz, Ralph Gilles, Lukas Karge, Michael Hofmann, Markus Hoelzel, Joachim Rösler, Gergely Farkas
Publikováno v:
Metals, Vol 8, Iss 8, p 621 (2018)
Boron largely increases the ductility of polycrystalline high-temperature Co–Re–Cr alloys. Therefore, the effect of boron addition on the alloy structural characteristics is of large importance for the stability of the alloy at operational temper
Externí odkaz:
https://doaj.org/article/0d7ac8fe18e34d0e90fa27ed3059941b
Publikováno v:
Energies, Vol 10, Iss 12, p 2135 (2017)
LiFeMnPO4 secondary agglomerates have been aged under different temperature and moisture conditions. The aged and pristine powder samples were then processed to water- and solvent-based cathodes. Structural studies by means of neutron and X-ray diffr
Externí odkaz:
https://doaj.org/article/1b380055e86c4acfb79d2682933e6095