Zobrazeno 1 - 10
of 2 875
pro vyhledávání: '"High power density"'
Autor:
Yunan Tian, Yuyu Li, Huasen Shen, Xiangxin Cheng, Yiming Cheng, Wen Zhang, Peng Yu, Zehui Yang, Lixing Xue, Yameng Fan, Lingfei Zhao, Jian Peng, Jiazhao Wang, Zhaohuai Li, Ming Xie, Huakun Liu, Shixue Dou
Publikováno v:
Advanced Science, Vol 11, Iss 30, Pp n/a-n/a (2024)
Abstract Simultaneously achieving high‐energy‐density and high‐power‐density is a crucial yet challenging objective in the pursuit of commercialized power batteries. In this study, atomic layer deposition (ALD) is employed combined with a coo
Externí odkaz:
https://doaj.org/article/a770a561bba94fba80550cdc9efe45a2
Publikováno v:
Advanced Science, Vol 11, Iss 23, Pp n/a-n/a (2024)
Abstract Rechargeable Zn–air batteries (ZABs) are considered highly competitive technologies for meeting the energy demands of the next generation, whether for energy storage or portable power. However, their practical application is hindered by cr
Externí odkaz:
https://doaj.org/article/bd1984203c0846c8b70ed03eabef8bf9
Publikováno v:
IEEE Access, Vol 12, Pp 151382-151394 (2024)
Compared to a basic buck converter, the 3-level buck converter operates with the output inductor at twice the switching frequency. Additionally, the voltage across its flying capacitor contributes to reducing the slope of the inductor current. These
Externí odkaz:
https://doaj.org/article/6d842a1e6045434d859622b3f6c391d3
Publikováno v:
IEEE Access, Vol 12, Pp 103880-103894 (2024)
The recent focus on greenhouse gas emissions from fossil fuel usage has led to strengthened regulations on carbon emissions. Consequently, research on electric vehicles (EV), which have higher energy efficiency compared to internal combustion engine
Externí odkaz:
https://doaj.org/article/e27e6f0d1c954ac19583f177ff96e8e9
Autor:
Yalun Li, Minggao Ouyang, C. C. Chan, Xueliang Sun, Yonghua Song, Wei Cai, Yilin Xie, Yuqiong Mao
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 10, Iss 2, Pp 439-447 (2024)
The energy revolution requires coordination in energy consumption, supply, storage and institutional systems. Renewable energy generation technologies, along with their associated costs, are already fully equipped for large-scale promotion. However,
Externí odkaz:
https://doaj.org/article/d2b1ecaa92ac406690e6c937c2bd5740
Publikováno v:
IEEE Access, Vol 12, Pp 3948-3959 (2024)
High-frequency isolated LLC converters, which require both high efficiency and high density, are gaining important as pivotal technological challenges. In these converters, the transformer plays an essential role not only in providing galvanic isolat
Externí odkaz:
https://doaj.org/article/7a792068b0c94627b23c27778e49f932
Publikováno v:
Applied Sciences, Vol 14, Iss 22, p 10171 (2024)
The reliability of components of industrial electrical assets fed by power electronics might be at risk due to the type and extent of electrothermal stresses. The move of power electronics toward higher levels of voltage, switching frequency, slew ra
Externí odkaz:
https://doaj.org/article/0ef0af62cdbc42af917fe76c8f94cc5d
Autor:
Zhao, Xingchen
The increasing shift towards more electric or all electric aircraft urgently necessitates dc/ac converter systems with high power density. Silicon Carbide (SiC) devices, known for their superior performance over traditional silicon-based devices, fac
Externí odkaz:
https://hdl.handle.net/10919/118909
Publikováno v:
Materials & Design, Vol 240, Iss , Pp 112875- (2024)
There is a growing and prevalent trend in the power transmission field of high-performance polymers replacing metallic materials given the strict light-weight requirement. Polymer gears exhibit a low elasticity modulus, high-temperature sensitivity,
Externí odkaz:
https://doaj.org/article/4065ad14f772403bb680a5fff01364ba
Publikováno v:
Advances in Electrical and Computer Engineering, Vol 23, Iss 4, Pp 41-50 (2023)
A study of a dual rotor radial flux, fractional slot concentrated wound permanent magnet synchronous machine is presented in this paper. The proposed structure is analyzed in two different magnetic polarity configurations of the opposing rotors pol
Externí odkaz:
https://doaj.org/article/0b592205866844bf9613a81f202232d4