Bamboo charcoal as electrode material for vanadium redox flow batteries

Schilling, Monja; Ershov, Alexey; Debastiani, Rafaela; Duan, Kangjun; Köble, Kerstin; Scherer, Simon; Lan, Linghan; Rampf, Alexander; Faragó, Tomáš; Zuber, Marcus; Cecilia, Angelica; Liu, Shaojun; Liu, Cheng; Baumbach, Tilo; Li, Jun; Sui, Pang-Chieh; Zeis, Roswitha

doi:10.1039/d4ya00166d

Energy Adv.

2024

DOI: 10.1039/d4ya00166d

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Bamboo charcoal as electrode material for vanadium redox flow batteries

Monja Schilling,

Alexey Ershov,

Rafaela Debastiani

et al.

Abstract: Large-scale energy storage is becoming more critical since the share of energy from renewable sources increased steadily in recent years. Vanadium redox flow batteries (VRFBs) are a promising candidate for...

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Carbon Felts Uniformly Modified with Bismuth Nanoparticles for Efficient Vanadium Redox Flow Batteries

Chen,

Li,

Zhao

et al. 2024

Nanomaterials

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The integration of intermittent renewable energy sources into the energy supply has driven the need for large-scale energy storage technologies. Vanadium redox flow batteries (VRFBs) are considered promising due to their long lifespan, high safety, and flexible design. However, the graphite felt (GF) electrode, a critical component of VRFBs, faces challenges due to the scarcity of active sites, leading to low electrochemical activity. Herein, we developed a bismuth nanoparticle uniformly modified graphite felt (Bi-GF) electrode using a bismuth oxide-mediated hydrothermal pyrolysis method. The Bi-GF electrode demonstrated significantly improved electrochemical performance, with higher peak current densities and lower charge transfer resistance than those of the pristine GF. VRFBs utilizing Bi-GF electrodes achieved a charge-discharge capacity exceeding 700 mAh at 200 mA/cm2, with a voltage efficiency above 84%, an energy efficiency of 83.05%, and an electrolyte utilization rate exceeding 70%. This work provides new insights into the design and development of efficient electrodes, which is of great significance for improving the efficiency and reducing the cost of VRFBs.

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Carbon Felts Uniformly Modified with Bismuth Nanoparticles for Efficient Vanadium Redox Flow Batteries

Chen,

Li,

Zhao

et al. 2024

Nanomaterials

View full text Add to dashboard Cite

show abstract

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Bamboo charcoal as electrode material for vanadium redox flow batteries

Abstract: Large-scale energy storage is becoming more critical since the share of energy from renewable sources increased steadily in recent years. Vanadium redox flow batteries (VRFBs) are a promising candidate for...

Cited by 1 publication

References 36 publications

Carbon Felts Uniformly Modified with Bismuth Nanoparticles for Efficient Vanadium Redox Flow Batteries

Carbon Felts Uniformly Modified with Bismuth Nanoparticles for Efficient Vanadium Redox Flow Batteries

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