Concept
Maximum power transfer theorem
Related publications (66)
Modeling and optimization of PCB coils for inductive power transfer systems
The auxiliary power supply for medium voltage converters requires high insulation capability between the source and the load. Inductive power transfer technology, with an air gap between the primary and secondary coil, offers such high insulation capabilit ...
EPFL2024Improving the operational stability of perovskite solar cells with cesium-doped graphene oxide interlayer
Shaik Mohammed Zakeeruddin, Aïcha Hessler-Wyser, Felix Thomas Eickemeyer, Lukas Pfeifer, Christian Michael Wolff, Rita Therisod, Mostafa Rabie Shlaly Bahr Othman, Hong Zhang, Masaud Hassan S Almalki, Anwar Qasem M Alanazi
Perovskite solar cells (PSCs) have made great advances in terms of power conversion efficiency (PCE), yet their subpar stability continues to hinder their commercialization. The interface between the perovskite layer and the charge-carrier transporting lay ...
Elsevier2024Synergistic Redox Modulation for High-Performance Nickel Oxide-Based Inverted Perovskite Solar Modules
Mohammad Khaja Nazeeruddin, Bin Ding, Xianfu Zhang, Bo Chen, Yan Liu
Nickel oxide (NiOx)-based inverted perovskite solar cells stand as promising candidates for advancing perovskite photovoltaics towards commercialization, leveraging their remarkable stability, scalability, and cost-effectiveness. However, the interfacial r ...
Hoboken2024All-inorganic halide perovskites for air-processed "n-i-p" monolithic perovskite/organic hybrid tandem solar cells exceeding 23% efficiency
All-perovskite tandem solar cells recently surpassed 26% power conversion efficiency using a Sn(ii)-based halide perovskite rear subcell, which introduces several issues related to the chemical instability and the effectiveness of common, inexpensive inter ...
Cambridge2023Surface Passivation of FAPbI3-Rich Perovskite with Cesium Iodide Outperforms Bulk Incorporation
Michael Graetzel, Shaik Mohammed Zakeeruddin, Jacques-Edouard Moser, Kevin Sivula, Jun Ho Yum, Mounir Driss Mensi, Felix Thomas Eickemeyer, Lukas Pfeifer, Jing Gao, Thomas Paul Baumeler, Essa Awadh R Alharbi, Brian Irving Carlsen, George Cameron Fish, Georgios Kakavelakis
Metal halide perovskites (MHPs) have shown an incredible increase in efficiency, reaching as high as 25.7%, which now competes with traditional photovoltaic technologies. Herein, we excluded CsX and RbX (X = I–, Br–, Cl–), the most commonly used cations to ...
2023Tri-Axial Magnetic Field Sensor up to VHF with Frequency Weighing
German Augusto Ramirez Arroyave
This contribution presents an isotropic magnetic field probe with shaped frequency response in the band 100 kHz - 400 MHz to ponder the aggregate response according to the ICNIRP 2020 guidelines. The basic sensor is a printed loop which is modelled as a Th ...
IEEE2023Analytic Approximation of In-Body Path Loss for Implanted Antennas
Anja Skrivervik, Zvonimir Sipus, Mingxiang Gao
Implantable bioelectronic devices predominantly use wireless links for communication and/or power transfer. When considering transmitting implanted antennas, electromagnetic radiation through biological media is highly attenuated, and previous work has sho ...
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2023Visualizing Interfacial Energy Offset and Defects in Efficient 2D/3D Heterojunction Perovskite Solar Cells and Modules
Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Yong Ding, Bin Ding
Currently, the full potential of perovskite solar cells (PSCs) is limited by chargecarrier recombination owing to imperfect passivation methods. Here, the recombination loss mechanisms owing to the interfacial energy offset and defects are quantified. The ...
WILEY-V C H VERLAG GMBH2023Wireless Powering Efficiency of Deep-Body Implantable Devices
Anja Skrivervik, Zvonimir Sipus, Denys Nikolayev, Mingxiang Gao, Erdem Cil
The wireless power transfer (WPT) efficiency to implanted bioelectronic devices is constrained by several frequency-dependent physical mechanisms. Recent works have developed several mathematical formulations to understand these mechanisms and predict the ...
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2022Deep defect passivation and shallow vacancy repair via an ionic silicone polymer toward highly stable inverted perovskite solar cells
Ulf Anders Hagfeldt, Bowen Yang, Hui Chen, Jiabao Yang, Tong Wang
Additive engineering is an effective strategy for defect passivation and performance improvement of perovskite solar cells (PSCs). However, few additives have achieved outstanding stability with high efficiency by simultaneously passivating deep and shallo ...
ROYAL SOC CHEMISTRY2022