Results 101 to 110 of about 5,275,349 (259)

Rethinking Charge Transport and Recombination in Donor‐Diluted Organic Solar Cells

Advanced Materials, EarlyView.
Organic solar cells with 1–45% PM6 content in Y12 were studied to link structure and charge dynamics to performance. The conductivity follows a 3D percolation model without a sharp threshold. Donor dilution preserves the photogeneration yield, but limits the fill factor due to transport resistance losses.
Chen Wang, Christopher Wöpke, Toni Seiler, Jared Faisst, Mathias List, Meike Kuhn, Bekcy Joseph, Alexander Ehm, Dietrich R. T. Zahn, Yana Vaynzof, Eva M. Herzig, Roderick C. I. Mackenzie, Uli Würfel, Maria Saladina, Carsten Deibel   +14 more
wiley   +1 more source

A novel DC‐link voltage synchronous control with enhanced inertial capability for full‐scale power conversion wind turbine generators

IET Renewable Power Generation
The new power system is characterized by high penetration of renewable energy sources and a high proportion of power electronics (namely, double‐high).
Yao Qin, Han Wang, Dangsheng Zhou, Zhenyan Deng, Jianwen Zhang, Xu Cai   +5 more
doaj   +1 more source

Reconfigurable nonlinear photonic activation function for photonic neural network based on non-volatile opto-resistive RAM switch. [PDF]

Light Sci Appl, 2022
Xu Z, Tang B, Zhang X, Leong JF, Pan J, Hooda S, Zamburg E, Thean AV.   +7 more
europepmc   +1 more source

An Improved Current Ripples Minimization Technique for Cascaded DC–DC Converter in DC Microgrid

The distributed direct current (DC) power system relies heavily on the cascaded DC–DC converter that employs a common bus to connect multiple DC–DC converters.
Abdelilah Chibani, Youcef Messlem, Djaffar Ould Abdeslam, Ahmed Safa, Khadidja Khattab, Abdelmadjid Gouichiche   +5 more
core   +1 more source

Monolithic 3D‐Integrated All‐Solid Ion‐Gated Carbon Nanotube Transistors With Tunable Ionic Conductance for Multi‐Timescale Reservoir Computing

Advanced Materials, EarlyView.
A dual‐timescale reservoir based on monolithically 3D (M3D)‐integrated CNT solid ion‐gated transistors is demonstrated. Tunable ionic dynamics and pulse‐engineered operation enable linear and symmetric synaptic updates. The M3D‐integrated array achieves robust temporal encoding and accurate classification of moving MNIST sequences, highlighting its ...
Haksoon Jung, Hanbin Cho, Yongwoo Lee, Seunghun Baek, Hyeongjun Kim, Yun Goo Ro, Hyunhyub Ko, Joonki Suh, Yong‐Young Noh, Jimin Kwon   +9 more
wiley   +1 more source

A high step‐up high step‐down coupled inductor based bidirectional DC–DC converter with low voltage stress on switches

IET Power Electronics
This paper proposes, a novel soft‐switching bidirectional direct current to direct current (DC–DC) converter based on switched‐capacitor and coupled‐inductor.
Pouya Abolhassani, Mohammad Maalandish, Ali Nadermohammadi, Mohammad Bagher Bannae Sharifian, Mohammad Reza Feyzi, Seyed Hossein Hosseini   +5 more
doaj   +1 more source

Generating Unconventional Spin‐Orbit Torques With Patterned Phase Gradients in Tungsten Thin Films

Advanced Materials, EarlyView.
ABSTRACT A key aim in spintronics is to achieve current‐induced magnetization switching via spin‐orbit torques without external magnetic fields. For this, the focus of recent work has been on introducing controlled lateral gradients across ferromagnet/heavy‐metal devices, giving variations in thickness, composition, or interface quality.
Lauren J. Riddiford, Anne Flechsig, Shilei Ding, Emir Karadža, Niklas Kercher, Tobias Goldenberger, Elisabeth Müller, Pietro Gambardella, Laura J. Heyderman, Aleš Hrabec   +9 more
wiley   +1 more source

Proposing a new rotating frame‐based method for dynamic modelling of resonant converters

IET Power Electronics
Resonant converters are widely used in various industrial applications due to features such as wide input voltage range, high efficiency, and high‐power density. Mathematical modelling of these converters is crucial because they simultaneously exhibit AC
Ahmad Abbasi, Abbas Ghayebloo
doaj   +1 more source

Rational Tuning of Hygroscopic Oscillation of Stacked Nanoflake Assemblies for Continuous Ambient Energy Harvesting

Advanced Materials, EarlyView.
Stacked nanoflake assembly (SNA) membranes can oscillate autonomously, offering opportunities for soft actuation and energy harvesting. This work uncovers the physical mechanism behind the sustained oscillation of SNA membranes in gradient humidity and identifies three governing dimensionless parameters, enabling rational design for optimizing SNA ...
Zijing Zhang, Jimin Fu, Gesa Zhang, Zhihua Liang, Boxun Zhang, Haimin Yao   +5 more
wiley   +1 more source

A Novel Phase‐Shifted Modulation for Balancing Current Stress During Startup of High‐Power Full‐Bridge DC/DC Converters

The Journal of Engineering
Traditional duty‐cycle or phase‐shift modulation is inadequate for achieving a balanced current‐stress distribution during the startup of full‐bridge DC/DC converters. As converter power capacity increases, these limitations not only restrict the startup
Yiqing Ma, Yi Lu, Xueyin Zhang, Peng Qiu, Qian Chen   +4 more
doaj   +1 more source