Beiträge zu Proceedings

Proton exchange membrane (PEM) electrolysis is a promising process for sustainable hydrogen production, but its commercialization is delayed by high costs and elusive degradation of membrane electrode assemblies (MEAs) [1]. In operando Nuclear Magnetic Resonance (NMR) and Magnetic Resonance Imaging (MRI) offer the potential to investigate degradation mechanisms during electrolysis, and thus, provide highly relevant insights for enhanced performance [2,3].In a first part of this contribution, a custom-designed miniature PEM electrolysis cell is presented, fitting the spatial constraints of a 1H coil of a commercially available imaging probe. [...]

The Debye-Hückel (DH) theory, a cornerstone in modeling ionic activities in electrolytes for over a century, remains widely applied like in equations of state and Onsager’s conductivity theory1. In the DH theory, the distribution of ions around a central ion is calculated assuming electrostatic interactions of point charges that are dispersed in a dielectric continuum2 [...]

Crystalline materials, such as metals and semiconductors, nearly always contain a special defect type called dislocation. This defect decisively determines many important material properties, e.g., strength, fracture toughness, or ductility. [...]

Fabricating thick (1000 nm) solution-processed perovskite layers is expected to increase the efficiency of carbon-contact-based solar cells compared to thinner (500 nm) films. However, increasing only the deposited layer thickness often results in buried voids inside the dry film. [...]

Reliability of PV modules is important for power production and to maximize energy yield. Module faults represent a potential risk of yield loss when their causes and implications are unclear. [...]

The Treaty on the Prohibition of Nuclear Weapons (TPNW) offers nuclear-armed states two pathways for accession: disarm-and-join, where disarmament is completed before joining, and join-and-disarm, where disarmament occurs under a time-bound plan following accession. Although the join-and-disarm pathway enables immediate treaty adherence, it introduces significant challenges for verification, including ensuring irreversibility, safeguarding proliferation-sensitive information, and optimizing verification effectiveness. [...]

Interoperability remains a key challenge in modern energy systems, where diverse devices and platforms must communicate seamlessly to enable efficient energy management. This paper presents a Legacy Protocol Converter (LPC) as an open-source interoperability solution based on the IEEE 2030.5 standard, incorporating advanced features for enhanced adaptability. [...]