Results 81 to 90 of about 1,941,585 (293)
Advanced Functional Materials, EarlyView.Inspired by metal‐free carbonic anhydrases (CAs) that achieve efficient catalysis without metal cofactors, we herein report a sequence‐defined supramolecular peptoid platform that mimics metal‐free CAs and exhibits hydrolytic activity via a supramolecular assembly‐mediated proton‐transfer mechanism.
Progyateg Chakma +8 more
wiley +1 more source
What is sand? Result from a UNEP/GRID-Geneva expert discussion
, 2022 The Global Sand Observatory Initiative (GSOI) is UNEP/GRID-Geneva’s response to requests to identify knowledge gaps under the UNEA-4 Mineral Resource Governance resolution (UNEP/EA.4/Res.19).
UNEP/GRID-Geneva
core +1 more source
Weak-Grid Tolerant Control Methods for Voltage-Source Converters
, 2018 This paper deals with state-feedback current control for power converters, which are equipped with an LCL filter and connected to a weak grid. The grid-side current is measured and other states needed by the current controller are estimated using a ...
Usama Riaz +5 more
core +2 more sources
Advanced Functional Materials, EarlyView.This work presents a closed‐loop optimization workflow integrating CatBot, an automated synthesis and testing system, to discover NiMo hydrogen‐evolution catalysts. CatBot synthesised and evaluated 228 unique samples, identifying the best performing catalysts for transfer to nickel‐foam electrodes. The best candidate is highly active, reaching 1 Acm−2${
Paolo Vincenzo Freiesleben de Blasio +7 more
wiley +1 more source
Voltage Stability in a Weak Grid with Hybrid Renewable Generation Plants
Engineering ProceedingsThis paper presents a comprehensive review of voltage stability challenges in South Africa’s constrained power grid, particularly in the context of rising hybrid renewable energy integration. With the growing deployment of inverter-based resources (IBRs)
Naniki Letta Nzuza +2 more
doaj +1 more source
Advanced Functional Materials, EarlyView.Defect‐free transfer principles enable scalable fabrication of 15 µm‐thin garnet‐based hybrid solid electrolytes. Hansen solubility parameters correlate interfacial compatibility with coating, transfer, and impregnation behavior, guiding rational selection of slurry/substrate, binder/substrate, and binder/polymer electrolyte combinations.
Seul Gi Chu +8 more
wiley +1 more source
Harmonic Stability Analysis of Grid-Connected Converters with Power Synchronization Control
, 2021 Integration of converter-based resources into weak grids brings new concerns regarding the harmonic stability of modern power systems. This paper studies the harmonic stability and impedance characteristics of power synchronization control (PSC) which ...
Sepehr, Amir +5 more
core +1 more source
Advanced Functional Materials, EarlyView.Unlocking thermomagnetic low‐grade waste heat recovery. This perspective provides a comprehensive roadmap for the development of thermomagnetic materials and systems. By addressing key engineering challenges across multiple scales, it bridges the gap between micro‐power IoT devices and large‐scale industrial applications. ABSTRACT Nearly half of global
A. Waske +13 more
wiley +1 more source
International Journal of Electrical Power & Energy SystemsThe new-type power system exhibits features of low inertia, low short-circuit capacity, and weak damping. The high-inertia energy storage synchronous condenser (HIESSC) controlled by a grid forming strategy is beneficial for enhancing the voltage and ...
Zhihui Wang +5 more
doaj +1 more source
Advanced Functional Materials, EarlyView.Forming‐free epitaxial Pt/La0.5Sr0.5CoOx (LSCO)/La0.5Sr0.5MnO3 (LSMO) memristors exhibit heterogeneous and partially reversible topotactic switching involving brownmillerite (BM)‐, Grenier (GN)‐like‐, and perovskite (PV)‐like configurations. Atomic‐resolution scanning transmission electron microscopy and in situ transmission electron microscopy resolve
Zi‐Qin Hong +5 more
wiley +1 more source