Articles with "vanadium redox" as a keyword



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Aspergillus Niger Derived Wrinkle-Like Carbon as Superior Electrode for Advanced Vanadium Redox Flow Batteries.

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Published in 2023 at "Advanced science"

DOI: 10.1002/advs.202300640

Abstract: The scarcity of high electrocatalysis composite electrode materials has long been suppressing the redox reaction of V(II)/V(III) and V(IV)/V(V) couples in high performance vanadium redox flow batteries (VRFBs). Herein, through ingeniously regulating the growth of… read more here.

Keywords: electrode; redox flow; carbon; vanadium redox ... See more keywords
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Hybrid Membranes Dispersed with Superhydrophilic TiO2 Nanotubes Toward Ultra‐Stable and High‐Performance Vanadium Redox Flow Batteries

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Published in 2020 at "Advanced Energy Materials"

DOI: 10.1002/aenm.201904041

Abstract: The vanadium redox flow battery (VRFB) is a large‐scale energy storage technique and has been regarded as a promising candidate to integrate intermittent renewable energy with the grid. Its long‐term stability has so far been… read more here.

Keywords: membrane; performance; superhydrophilic tio2; tio2 nanotubes ... See more keywords
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Electrolyte Flow Field Variation: A Cell for Testing and Optimization of Membrane Electrode Assembly for Vanadium Redox Flow Batteries.

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Published in 2020 at "ChemPlusChem"

DOI: 10.1002/cplu.202000519

Abstract: A great deal of research has been dedicated to improving the performance of vanadium redox flow battery (VRFB). In this work, we propose the design of a cell for testing membrane electrode assembly of VRFB,… read more here.

Keywords: flow field; cell; vanadium redox; flow ... See more keywords
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Amphoteric Ion-Exchange Membranes with Significantly Improved Vanadium Barrier Properties for All-Vanadium Redox Flow Batteries.

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Published in 2017 at "ChemSusChem"

DOI: 10.1002/cssc.201700610

Abstract: All-vanadium redox flow batteries (VRBs) have attracted considerable interest as promising energy-storage devices that can allow the efficient utilization of renewable energy sources. The membrane, which separates the porous electrodes in a redox flow cell,… read more here.

Keywords: exchange; redox flow; vanadium redox; flow ... See more keywords
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Electrolyte Imbalance Determination of a Vanadium Redox Flow Battery by Potential‐Step Analysis of the Initial Charging

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Published in 2020 at "Chemsuschem"

DOI: 10.1002/cssc.201903485

Abstract: Abstract Vanadium redox flow batteries (VRFB) suffer from capacity fades owing to side reactions and crossover effects through the membrane. These processes lead to a deviation of the optimal initial average oxidation state (AOS=+3.5) of… read more here.

Keywords: step analysis; redox flow; vanadium; potential step ... See more keywords
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Membrane Assemblies with Soft Protective Layers: Dense and Gel-Type Polybenzimidazole Membranes and Their Use in Vanadium Redox Flow Batteries.

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Published in 2022 at "Small"

DOI: 10.1002/smll.202206284

Abstract: Polybenzimidazole (PBI) membranes show excellent chemical stability and low vanadium crossover in vanadium redox flow batteries (VRFBs), but their high resistance is challenging. This work introduces a concept, membrane assemblies of a highly selective 2 µm… read more here.

Keywords: vanadium; redox flow; pbi; vanadium redox ... See more keywords
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Evolution of Vanadium Redox Flow Battery in Electrode.

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Published in 2023 at "Chemical record"

DOI: 10.1002/tcr.202300092

Abstract: The vanadium redox flow battery (VRFB) is a highly regarded technology for large-scale energy storage due to its outstanding features, such as scalability, efficiency, long lifespan, and site independence. This paper provides a comprehensive analysis… read more here.

Keywords: flow battery; redox flow; vanadium redox;
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L-cystine additive in the negative electrolyte of vanadium redox flow battery for improving electrochemical performance

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Published in 2018 at "Ionics"

DOI: 10.1007/s11581-018-2593-4

Abstract: L-cystine (LC) was employed as an additive to inhibit crystallization of V(II) or V(III) specie in the negative electrolyte and extend the practical application of vanadium redox flow battery (VRFB) at below-ambient temperatures. UV–Vis spectrometry… read more here.

Keywords: negative electrolyte; electrolyte; flow battery; vanadium ... See more keywords
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Improving the performance of negative electrode for vanadium redox flow battery by decorating bismuth hydrogen edetate complex on carbon felt

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Published in 2019 at "Ionics"

DOI: 10.1007/s11581-019-02988-5

Abstract: The inherent disadvantages of untreated carbon felt (pristine-CF) still restrict the vanadium redox flow battery (VRFB) from further improving in electrochemical performances. To solve this problem, the carbon felt (CF) decorated with bismuth hydrogen edetate… read more here.

Keywords: carbon; hydrogen; carbon felt; flow battery ... See more keywords
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In-situ investigation of hydrogen evolution behavior in vanadium redox flow batteries

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Published in 2017 at "Applied Energy"

DOI: 10.1016/j.apenergy.2017.01.039

Abstract: In this work, we conceived and fabricated a three-electrode electrochemical cell and transparent vanadium redox flow battery to in-situ investigate the hydrogen evolution reaction during battery operation. Experimental results show that operating temperature has a… read more here.

Keywords: redox flow; hydrogen evolution; vanadium redox; hydrogen ... See more keywords
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Zero dimensional dynamic model of vanadium redox flow battery cell incorporating all modes of vanadium ions crossover

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Published in 2018 at "Applied Energy"

DOI: 10.1016/j.apenergy.2018.05.124

Abstract: Abstract A 0-D dynamic mathematical model for a single Vanadium Redox Flow Battery (VRFB) cell is proposed. The model is based on the conservation principles of charge and mass transfer focusing on the precise simulation… read more here.

Keywords: model; flow battery; battery; redox flow ... See more keywords