Results 161 to 170 of about 190,755 (383)
Advanced Functional Materials, EarlyView.The Janus membrane integrates a superhydrophilic CNF@CTAB‐MXene layer with a superhydrophobic PTFE layer, enabling efficient solar‐driven water evaporation and electricity generation. It achieves an evaporation rate of 1.51 kg m−2 h−1 with excellent salt resistance and long‐term stability.
Yinan Li +7 more
wiley +1 more source
High‐Performance Millimeter Scale Electromagnetic Generator
Advanced Functional Materials, EarlyView.A high‐performance millimeter‐scale electromagnetic generator (mmEMG) is developed using magnetic flux concentrator (MFC) films on both coil ends to enhance magnetic flux. Through simulations and experiments, structural and magnetic properties are optimized, achieving a 5.6‐fold electrical output improvement.
Jin Pyo Lee +5 more
wiley +1 more source
Atomic Size Misfit for Electrocatalytic Small Molecule Activation
Advanced Functional Materials, EarlyView.This review explores the application and mechanisms of atomic size misfit in catalysis for small molecule activation, focusing on how structural defects and electronic properties can effectively lower the energy barriers of chemical bonds in molecules like H2O, CO2, and N2.
Ping Hong +3 more
wiley +1 more source
Present Problems of Reliability of Power Semiconductor Devices
Acta Polytechnica, 2000 The paper presents an overview of the main causes of failures of modern switching devices as power MOSFETs, IGBTs, GTOs. The attention is paid to problems of both homogeneity of semiconductor structures and operating conditions, especially at high ...
V. Benda
doaj
A remaining useful life prediction method of SiC MOSFET considering failure threshold uncertainty
IET Power ElectronicsDifferent methods have been developed to predict power devices' remaining useful life (RUL). The existing methods need to specify the failure thresholds corresponding to failure precursors of power devices based on historical data.
Qunfang Wu +3 more
doaj +1 more source
Deployment of ARX Models for Thermal Forecasting in Power Electronics Boards Using WBG Semiconductors [PDF]
arXivFacing the thermal management challenges of Wide Bandgap (WBG) semiconductors, this study highlights the use of ARX parametric models, which provide accurate temperature predictions without requiring detailed understanding of component thickness disparities or material physical properties, relying solely on experimental measurements.
arxiv
Advanced Functional Materials, EarlyView.Cu‐based catalysts as a cornerstone in advancing sustainable energy technologies are fully reviewed in this manuscript, highlighting their potential in photo‐ and electrocatalysis. It includes metallic copper, copper oxides, copper sulfides, copper halide perovskites, copper‐based metal–organic frameworks (MOFs), and covalent organic frameworks (COFs),
Jéssica C. de Almeida +16 more
wiley +1 more source
GaAs Photoconductive Semiconductor Switch Fabrication for Improved Reliability
, 2007 M. J. Cich +9 more
+6 more sources