Large scale preparation of 20 cm × 20 cm graphene modified carbon felt for high performance vanadium redox flow battery
نویسندگان
چکیده
منابع مشابه
Investigation of Hydroxylated Carbon Felt Electrode in Vanadium Redox Flow Battery by Using Optimized Supporting Electrolyte
Traditional vanadium batteries use pure sulfuric acid as electrolyte, but H2SO4 does not absorb enough vanadium ions to make the electrolyte an efficient energy source. This study investigates the effect of hydroxylation process on electrochemical and operational properties of carbon felt electrode in VOSO4 solution with an optimized supporting electrolyte (a mixture of six parts HCl and 2.5 pa...
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3D graphene-nanowall-decorated carbon felts (CF) are synthesized via an in situ microwave plasma enhanced chemical vapor deposition method and used as positive electrode for vanadium redox flow battery (VRFB). The carbon fibers in CF are successfully wrapped by vertically grown graphene nanowalls, which not only increase the electrode specific area, but also expose a high density of sharp graph...
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Graphite felt modified with nanodispersed bismuth was studied as electrode in the positive half-cell of a vanadium redox flow battery (VRFB). The felt was easily modified by immersion in a Bi2O3 solution followed by thermal reduction at 450°C in air. Despite the low metal content (1 at. %), the Bi-modified felt showed an excellent electrochemical performance (at 1 mVs) in terms of anodic and ca...
متن کاملSimultaneous Control of Active and Reactive Powers of Vanadium Redox Flow Battery Systems in Flexible Microgrids
This paper discusses the control of flexible microgrids, consisting of a Redox Flow Batteries (RFB) and a new power conditioning system (PCS) for the RFB. Considering the importance of energy storage, this study is essential in power systems that are developed cautiously. RFB is connected to power system by a DC/DC or DC/AC converter to produce a DC voltage. It is very important that this conve...
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Recently, many details of the interplay between tumor cells and tumor-associated stromal elements leading to the progression of malignant disease were elucidated. In contrast, little is known about the role of uninvolved stromal tissue in the remote surrounding of the malignant tumor. Therefore, we performed a computer-aided morphometric study of rectal mucosa in samples taken 10 cm and 20 cm a...
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ژورنال
عنوان ژورنال: Nano Research
سال: 2021
ISSN: 1998-0124,1998-0000
DOI: 10.1007/s12274-021-3564-z