Results 101 to 110 of about 2,123,148 (253)

Bipolar Hybrid DC Circuit Breaker with Surge Arresting Mechanisms on Source and Load Sides

With the deployment of DC power systems, DC circuit breakers are gaining attention in DC system protection as well as load and circuit operation. Different types of DC breakers are utilized and include static, mechanical, and hybrid DC breakers.
Mehraeen, Shahab, Moghbeli, Mohammadamin, Rush, David   +2 more
core   +1 more source

Metal Oxide Varistor Design Optimization and Main Breaker Branch Switch Control of A Progressively Switched Hybrid DC Circuit Breaker

, 2022
In this work, metal oxide varistor (MOV) design optimization and switching control in the main circuit breaker (MCB) branch of a progressively switched hybrid DC circuit breaker (DCCB) is presented. A progressively switched hybrid DCCB can achieve faster
Md Rifat Kaisar Rachi (10978311), Iqbal Husain (10964515)   +1 more
core   +1 more source

Carbon Quantum Dots Meet Perovskite Solar Cells: A Review of Multifunctional Synergies

Carbon Energy, EarlyView.
This review highlights the multifunctional role of carbon dots in perovskite solar cells. Their applications as additives and interfacial modifiers are discussed in terms of crystallization control, defect passivation, energy‐level alignment, and environmental stability.
Yagmur Su Sayin, Matteo Bonomo, Nilgun Karatepe, Marta Feroci   +3 more
wiley   +1 more source

Appropriate Protection Scheme for DC Grid Based on the Half Bridge Modular Multilevel Converter System

Energies, 2019
The half bridge (HB) modular multilevel converter (MMC) technology is considered a breakthrough to mitigate the shortcomings of the conventional voltage source converter (VSC) in high-voltage direct-current (HVDC) grid application.
Ho-Yun Lee, Mansoor Asif, Kyu-Hoon Park, Hyun-Min Mun, Bang-Wook Lee   +4 more
doaj   +1 more source

MXenes as a Versatile Platform for High‐Energy‐Density Asymmetric Supercapacitors

Carbon Energy, EarlyView.
MXenes with high conductivity and tunable surface chemistry are reviewed as advanced electrodes for asymmetric supercapacitors. MAX‐phase synthesis, surface and interlayer engineering, defect modulation, and composite designs are discussed, highlighting enhanced ion transport, pseudocapacitance, energy density, cycling stability, and sustainable routes
Seul‐Yi Lee, Jagadis Gautam, Shrikant Vaiju Sadavar, Soo‐Jin Park   +3 more
wiley   +1 more source

Design and Analysis of a 375V/5kA Solid State DC Circuit Breaker Based on IGCT

, 2018
The DC circuit breaker is the core equipment that realizes the fault breaking in the DC distribution network, which is of great significance for the safe and stable operation of the DC power grid. This paper designs and develops a 375V/5kA solid-state DC
Huang, Songbo, Xie, Ning, Chen, Zhengyu, Qu, Lu, Yu, Zhanqing, Zeng, Jie, Liu, Jiapeng, Zeng, Rong, Zhou, Wenpeng   +8 more
core   +1 more source

New‐Generation Integrated Devices: Multiple‐Energy Utilization and Integration Systems Based on Perovskite Photovoltaics

EcoEnergy, EarlyView.
This review highlights emerging integrated energy systems based on perovskite photovoltaics, including PSC–thermoelectric, photovoltaic–electrochemical, self‐charging, and building‐integrated architectures. By coupling multiple energy conversion and storage pathways, these multifunctional platforms enable enhanced solar utilization, improved stability,
Yihuai Huang, Wenguang Zhang, Yuchen Xiong, Zijun Yi, Changkai Huang, Qinghui Jiang, Abdul Basit, Guibin Shen, Yubo Luo, Xin Li, Junyou Yang   +10 more
wiley   +1 more source

Harnessing Thin‐Film Solid‐State Electrolytes: Enabling Breakthroughs in All‐Solid‐State Batteries

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Schematic illustration highlighting the advantages of transitioning from traditional thick solid‐state electrolytes (SSEs) to thin‐film SSEs. Thinning the electrolyte enables higher ionic conductivity, reduced interfacial polarization, improved flexibility, compact electrode contact, and enhanced energy density, offering a promising pathway toward high‐
Yitao He, Haoyang Cheng, Li Wang, Xiangming He   +3 more
wiley   +1 more source

Enhanced Urea Oxidation Reaction by Mn‐Doped Nickel Hydroxide From Wastewater

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Mn incorporation modifies the hydroxide structure and modulates the electronic properties of the Ni centers, promoting the formation of catalytically active NiOOH species. Mn dopants induce a favorable electronic effect but do not directly participate in the UOR mechanism, enhancing the overall urea oxidation rate and resulting in increased hydrogen ...
Filippo Bano, Da Chen, Daniele Perilli, Samuele Zambonin, Dario Mosconi, Marco Roverso, Veronica Celorrio, Cristiana Di Valentin, Laura Calvillo   +8 more
wiley   +1 more source

Cryogenic DC Circuit Breaker Based on High‐Power Press‐Pack IGBT

IET Electric Power Applications
The application of cryogenic and superconducting technologies could revolutionise aircraft electric propulsion systems by substantially increasing their power density and energy efficiency.
Zhongying Wang, Jiawen Xi, Xianwu Zeng, Stefan Steinhoff, Emelie Nilsson, Jean‐Francois Rouquette, Edwin Calderon, Ravi Kiran Surapaneni, Ludovic Ybanez, Xiaoze Pei   +9 more
doaj   +1 more source