نتایج جستجو برای: vanadium redox flow battery

تعداد نتایج: 568711  

2013
Zoraida González Cristina Botas Patricia Álvarez Silvia Roldán Clara Blanco Ricardo Santamaría Marcos Granda Rosa Menéndez

Two graphene-like materials, obtained by thermal exfoliation and reduction of a graphite oxide at 700 and 1000oC, were studied as active electrodes in the positive half-cell of a Vanadium Redox Flow Battery (VRFB). In particular, that obtained at 1000oC exhibited an outstanding electrochemical performance in terms of peak current densities (30.54 and 30.05 mAcm for the anodic and cathodic peaks...

2015
Murugesan Vijayakumar Niranjan Govind Bin Li Xiaoliang Wei Zimin Nie Suntharampillai Thevuthasan Vince Sprenkle Wei Wang

*Correspondence: Murugesan Vijayakumar and Wei Wang, Energy and Environmental Directorate, Pacific Northwest National Laboratory, 902 Battelle Blvd, P.O. Box 999, Richland, WA 99352, USA e-mail: [email protected]; [email protected] Lack of comprehensive understanding about the interactions between Nafion membrane and battery electrolytes prevents the straightforward tailoring of optimal materials ...

Journal: :Journal of Energy Chemistry 2021

A protic ionic liquid is designed and implemented for the first time as a solvent high energy density vanadium redox flow battery. Despite being less conductive than standard aqueous electrolytes, it thermally stable on 100 °C temperature window, chemically at least 60 days, equally viscous dense with typical solvents most importantly able to solubilize 6 mol L-1 sulfate, thus increasing VRFB b...

Journal: :Journal of energy storage 2022

Redox-flow batteries are relevant to store energy from intermittent sources such as solar panels or wind turbines, thereby smoothing their supply. Up now, most redox-flow based on vanadium. Vanadium is a rare and expensive material, thus recent research has focused organic compounds and, in particular, anthraquinones electroactive materials. However, the tunability of chemistry poses needle-in-...

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