Results 51 to 60 of about 78,915 (301)

Electroactive Metal–Organic Frameworks for Electrocatalysis

open access: yesAdvanced Functional Materials, EarlyView.
Electrocatalysis is crucial in sustainable energy conversion as it enables efficient chemical transformations. The review discusses how metal–organic frameworks can revolutionize this field by offering tailorable structures and active site tunability, enabling efficient and selective electrocatalytic processes.
Irena Senkovska   +7 more
wiley   +1 more source

On the design and characterization of femtoampere current-mode circuits [PDF]

open access: yes, 2003
In this paper, we show and validate a reliable circuit design technique based on source voltage shifting for current-mode signal processing down to femtoamperes.
Linares Barranco, Bernabé   +1 more
core   +1 more source

Spectral Signatures of Nontrivial Topology in a Superconducting Circuit

open access: yesPhysical Review X
Topology, like symmetry, is a fundamental concept in understanding general properties of physical systems. In condensed matter, nontrivial topology may manifest itself as singular features in the energy spectrum or the quantization of electrical ...
L. Peyruchat   +4 more
doaj   +1 more source

Intrinsically safe wireless power transfer system based on single-ended flyback converter

open access: yesWireless Power Transfer
In underground coal mines, the intrinsic safety of electrical equipment is crucial due to frequent voltage fluctuations that can damage electronic devices and compromise system reliability and safety.
Longyang Zhang   +3 more
doaj   +1 more source

The Comparative Study on the Li-S and Li-ion Batteries Cooperating with the Photovoltaic Array

open access: yesEnergies, 2020
The stationary photovoltaic array can be used to charge the different vehicle batteries and, in parallel, be used as a power source for the utility grid or standalone devices placed such as in campers.
Krystian Siczek   +8 more
doaj   +1 more source

The Class-E/F Family of ZVS Switching Amplifiers [PDF]

open access: yes, 2003
A new family of switching amplifiers, each member having some of the features of both class E and inverse F, is introduced. These class-E/F amplifiers have class-E features such as incorporation of the transistor parasitic capacitance into the circuit ...
Aoki, Ichiro   +3 more
core   +1 more source

Photoswitching Conduction in Framework Materials

open access: yesAdvanced Functional Materials, EarlyView.
This mini‐review summarizes recent advances in state‐of‐the‐art proton and electron conduction in framework materials that can be remotely and reversibly switched on and off by light. It discusses the various photoswitching conduction mechanisms and the strategies employed to enhance photoswitched conductivity.
Helmy Pacheco Hernandez   +4 more
wiley   +1 more source

Automatic synthesis of analog layout : a survey [PDF]

open access: yes, 1990
A review of recent research in the automatic synthesis of physical geometry for analog integrated circuits is presented. On introduction, an explanation of the difficulties involved in analog layout as opposed to digital layout is covered.
Rentmeesters, Mark J.
core  

PFC Topologies for AC to DC Converters in DC Micro-Grid [PDF]

open access: yes, 2016
With increasing dominance of renewable energy resources and DC household appliances, the novelty of DC micro grid is attracting significant attention. The key interface between the main supply grid and DC micro grid is AC to DC converter.
Ashraf, Muhammad   +3 more
core   +1 more source

Design and Implementation of a Wireless Charging-Based Cardiac Monitoring System Focused on Temperature Reduction and Robust Power Transfer Efficiency [PDF]

open access: yes, 2020
Wireless power transfer systems are increasingly used as a means of charging implantable medical devices. However, the heat or thermal radiation from the wireless power transfer system can be harmful to biological tissue.
Dawon Jeong   +6 more
core   +1 more source

Home - About - Disclaimer - Privacy