Results 51 to 60 of about 2,679 (216)

Molten Salt Electrolyte for Enhanced Low‐Temperature Sodium Liquid Metal Batteries

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This study introduces the application of a low‐temperature, high‐conductivity, solvent‐free Na/KFSI molten salt electrolyte in sodium liquid metal batteries. Additionally, this electrolyte facilitates the formation of a stable and NaF‐rich cathode electrolyte interphase (CEI) on the alloy cathode, enabling stable cycling at an unprecedentedly low ...
Jingya Dong, Yewei Guo, Fuhao Zhang, Shuo Ye, Qiao Cu, Erbing Shi, Qingqing Dai, Kai Jiang, Qingfu Zhu, Haomiao Li, Kangli Wang   +10 more
wiley   +1 more source

A Vectorial Approach for Generation of Optimal Current References for Multiphase Permanent-Magnet Synchronous Machines in Real Time [PDF]

, 2011
This paper deals with the generation of optimal current references for multiphase permanent-magnet (PM) synchronous machines in normal or fault mode (open-circuited phases).
KESTELYN, Xavier, SEMAIL, Eric, Eric Semail, Xavier Kestelyn   +3 more
core   +1 more source

Multi physics field simulation analysis of different pole slots combined with automotive permanent magnet motors [PDF]

Journal of Hebei University of Science and Technology
Aiming at the problems in the design of permanent magnet synchronous motor for vehicles, taking the 8-pole 48-slot and 8-pole 36-slot interior permanent synchronous motors as subject, the influence of different pole-slot combinations on the ...
Guohao LI, Hongbin YIN, Yigang SUN, Zhe ZHANG, Xiangjun BI, Wenjing HU   +5 more
doaj   +1 more source

Orbital Coupling and Electron Delocalization Engineered at Fe/V Heterointerfaces for Enhanced Cathode Performance in Sodium‐Ion Batteries

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
In the NFPF–NVPF heterostructure, the interfacial FeV 3d‐orbital coupling drives the upshifting of the d‐orbital and facilitates electron delocalization. This dual‐effect mechanism significantly expands the spatial distribution of electrons and narrows the bandgap, thereby constructing synergistic electron‐ion transport channels to achieve excellent ...
Yan Liu, Yue Zhou, Xingang Zhao, Xiaotong Wang, Jinzhi Guo, Yongli Heng, Junming Cao, Hanhao Liu, Heng Zhang, Daihuo Liu, Zhenyi Gu, Xinglong Wu   +11 more
wiley   +1 more source

A new technique of cogging torque suppression in direct-drive permanent-magnet brushless machines [PDF]

, 2010
In direct-drive electric propulsion systems, where there is no reduction gear to minimize and absorb the adverse effects of cogging torque generated by the permanent-magnet (PM) machine, minimization of cogging torque generation is of particular ...
Luk, Patrick Chi-Kwong, Fei, Wei-Zhong
core   +1 more source

A Method to Improve Torque Density in a Flux-Switching Permanent Magnet Machine

Energies, 2020
With the continuous development of machines, various structures emerge endlessly. In this paper, a novel 6-stator-coils/17-rotor-teeth (6/17) E-shaped stator tooth flux switching permanent magnet (FSPM) machine is introduced, which has magnets added in ...
Junshuai Cao, Xinhua Guo, Weinong Fu, Rongkun Wang, Yulong Liu, Liaoyuan Lin   +5 more
doaj   +1 more source

Diagnosis and Robust Design Optimization of SPMSM Considering Back EMF and Cogging Torque due to Static Eccentricity

Energies, 2021
Static eccentricity (SE) is frequently generated by manufacturing processes. As the nonuniformity of the air-gap length is caused by the SE, the torque ripple and cogging torque increase in the motor.
Jin-Cheol Park, Soo-Hwan Park, Jae-Hyun Kim, Soo-Gyung Lee, Geun-Ho Lee, Myung-Seop Lim   +5 more
doaj   +1 more source

De‐Carbonizing the Transport Sector on the University Campus: A Techno‐Economic‐Environment Assessment and Optimization of PV Fed Electric Bicycles Amid Global Fuel Crisis

Energy Science &Engineering, EarlyView.
This study develops and evaluates a solar PV‐fed electric bicycle system optimized for university campuses in Pakistan. The techno‐economic analysis demonstrates significant fuel savings, emission reductions, and sustainability benefits, promoting a cost‐effective, eco‐friendly, and renewable transportation alternative amid rising global fuel and ...
Muhammad Abdullah Khan, Syed Ali Abbas Kazmi, Qamar uddin, Muhammad Umair Iftikhar, Muhammad Waseem   +4 more
wiley   +1 more source

Harmonic Analysis on Torque Ripple of Brushless DC Motor Based on Advanced Commutation Control

Journal of Control Science and Engineering, 2018
This paper investigates the relationship between current, back electromotive force (back-EMF), and torque for permanent-magnet brushless DC (PM BLDC) motors under advanced commutation control from the perspective of harmonics.
Yanpeng Ji, Bin Li, Jingcheng Sun
doaj   +1 more source

Corrosion and Passivation: An Intimate Struggle for Durable Non‐Aqueous Multivalent Metal Batteries

National Materials, EarlyView.
In multivalent metal batteries, corrosion and passivation are intrinsically coupled. Anodes and current collectors pose conflicting interfacial demands: ion‐ versus electron‐conductivity. This review deciphers their intricate interplay and discusses current strategies to balance these mechanisms for achieving durable battery performance.
Hongfeng Chen, Bo Zhang, Xinyue Zhang, Daliang Han, Zhe Weng, Quan‐Hong Yang   +5 more
wiley   +1 more source