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Li3VO4 (LVO) is a promising anode material for use in Li-ion batteries (LIBs) owing to its safe discharge plateau and high capacity. However, its moderate Li+-diffusion coefficient and low electrical conductivity pose challenges to its widespread use in the LIB industry. In this study, hexavalent tungsten ions (W6+) were introduced to boost electrochemical kinetics, and W6+-doped LVO microspheres were successfully prepared using a spray-drying approach. Density functional theory (DFT) calculations reveal that the enhanced electronic conductivity and improved oxygen lattice following W6+ doping is possibly due to the development of a mid-gap state positioned above the valence band maximum. The doped LVO displayed excellent electrochemical performance, including a superior rate capability (288.9 mAh/g at 10C) and remarkable cycling stability (capacity fading of only 8.6 % over 200 cycles at 6C), which is ascribable to improved electrical conductivity and Li+ insertion/extraction. In addi ....
Market researcher Canalys reported smart phone vendors in India have shipped 38.0 million smartphones in first quarter of 2022, a 2% higher than first quarter of 2021. ....
Posted March 10th, 2021 for New Yorker New Cornell Dubilier Electronics’ Hybrid LIC Supercapacitors Deliver up to 220 Farads at 3.8 Volts NORTHVALE, New Jersey, USA., March 10, 2021 - /PressReleasePoint/ - New Yorker Electronics has announced the distribution of Cornell Dubilier Electronics’ new VMF and VPF Series of Hybrid LIC Supercapacitors. The new VMF and VPF Series operate at 3.8 WVDC with capacitance values up to 220 Farads, with the higher voltage resulting in increased energy density. With nearly eight times the energy density and a fraction of the leakage current of similar volume 2.7V supercapacitors, designers can use smaller or fewer components to achieve the desired amount of energy storage. In addition, VMF and VPF have an advantage in applications with long standby and run times. Both series can deliver quick bursts of energy that may be used to maintain voltage when power is interrupted, or they may be used to extend battery life by reducing ....
Lithium-ion Capacitor Market Report on Opportunities, Drivers and Threats Outlook 2026 sandiegosun.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from sandiegosun.com Daily Mail and Mail on Sunday newspapers.