Dec 1, 2017 · The presented study not only advances an in-depth understanding of K 3 [Fe (CN) 6] and K 4 [Fe (CN) 6] regarding their flow battery applications but also highlights the
Dec 14, 2016 · Organic molecules are currently investigated as redox species for aqueous low-cost redox flow batteries (RFBs). The envisioned features of using organic redox species are
Feb 15, 2019 · An aqueous organic redox flow battery (AORFB) using anthraquinone-2,7-disulfonic acid disodium salt (2,7-AQDS) and potassium iodide (KI) as the negati
Apr 15, 2020 · Abstract Mixture of 1,2-naphthoquinone-4-sulfonic acid sodium salt (NQ-S) and 2-hydroxy-1,4-naphthoquinone (Lawsone) is used as negative active species for aqueous
May 21, 2025 · Storion Energy, a joint venture between Stryten Energy and Largo Clean Energy, launched in February 2025 to create a domestic supply chain for vanadium redox flow
Jan 16, 2019 · Summary Aqueous organic/organometallic redox flow batteries (AORFBs) have gained increasing attention for large-scale storage of intermittent renewable energy (e.g., solar
Sep 18, 2019 · A Zn/ [Fe (CN) 6] 3− -PB flow cell with energy density of 97.4 Wh L −1 at 20 mA cm −2 and a [Fe (CN) 6] 4−/3− /Br − flow cell with PB as the sole solid material were
Jul 15, 2020 · In addition, a flexible zinc-ion battery assembled with CC-PANI-FeCN as the positive electrode, zinc foil as the negative electrode, and the aqueous quasi-solid PVA gel as
Dec 17, 2024 · This innovative battery addresses the limitations of traditional lithium-ion batteries, flow batteries, and Zn-air batteries, contributing advanced
Apr 4, 2024 · Redox flow batteries (RFBs) are membrane-separated rechargeable flow cells with redox electrolytes, offering the potential for large-scale energy
Mar 10, 2022 · Recent advancements in Vanadium Redox Flow Batteries (VRFBs) assert that their performance degradation and lack of charge retention is generally ascri
Dec 31, 2019 · Mixture of 1,2-naphthoquinone-4-sulfonic acid sodium salt (NQ-S) and 2-hydroxy-1,4-naphthoquinone (Lawsone) is used as negative active species for aqueous organic redox
Sep 1, 2023 · An outstanding enhancement of 25% of battery capacity was achieved in a zinc-iodine redox flow battery after addition of NH4 Cl, which enhanced solubility of iodine [21] and
Aug 29, 2022 · 2,5-Dihyroxy-1,4-Benzoquinone (BQ-OH) and ferrocyanide (FeCN) are used as redox couple for alkaline aqueous redox flow battery (ARFB) due to the high solubility of BQ
Nov 27, 2024 · As a broad-scale energy storage technology, redox flow battery (RFB) has broad application prospects. However, commercializing mainstream all-vanadium RFBs is slow due
Aug 29, 2022 · 2,5-Dihyroxy-1,4-Benzoquinone (BQ-OH) and ferrocyanide (FeCN) are used as redox couple for alkaline aqueous redox flow battery (ARFB) due to the high solubility of BQ
May 10, 2022 · In this study, the performance of alkaline aqueous organic redox flow battery (AORFB) using an isomeric mixture of 1,2-naphthoquinone-4-sulfonic acid sodium salt and 2
Sep 18, 2019 · This new electrolyte system presents unprecedentedly high capacity via the reversible redox-targeting reaction of [Fe (CN) 6] 4−/3− with PB. Such a concept is applicable
Cite this: ACS Appl. Mater. Interfaces 2024, XXXX, XXX, XXX-XXX Redox flow batteries (RFBs) are membrane-separated rechargeable flow cells with redox electrolytes, offering the potential for large-scale energy storage and supporting renewable energy grids. Yet, creating a cost-effective, high-performance RFB system is challenging.
In addition, a flexible zinc-ion battery assembled with CC-PANI-FeCN as the positive electrode, zinc foil as the negative electrode, and the aqueous quasi-solid PVA gel as electrolyte exhibits stable electrochemical performance in different bending states, demonstrating its application potential in flexible and portable electronic devices.
Aqueous organic/organometallic redox flow batteries (AORFBs) have gained increasing attention for large-scale storage of intermittent renewable energy (e.g., solar and wind) due to the advantages of decoupled energy and power, high current and power performance, safety features, and synthetic tunability of charge storage molecules.
A tank volumetric capacity of 61.6 Ah L −1 was demonstrated based on the [Fe (CN) 6] 4−/3−-PB electrolyte, corresponding to an energy density of ∼41.2 Wh L−1 for the [Fe (CN) 6] 3− /Br − -PB full cell (0.67 V). The power performance of this flow cell was investigated by steady-state polarization measurement (Figure 4 D).
The [Fe (CN) 6] 4−/3− -PB electrolyte exhibits an excellent capacity retention of 99.991% per cycle and an unprecedented capacity of 61.6 Ah L −1. A Zn/ [Fe (CN) 6] 3− -PB flow cell with energy density of 97.4 Wh L −1 at 20 mA cm −2 and a [Fe (CN) 6] 4−/3− /Br − flow cell with PB as the sole solid material were demonstrated.
Such organic redox flow batteries (ORFBs) have more benefits than the metal-based RFBs , , . First, the cost of both active species is generally cheaper. Second, the possible operational temperature window for ORFBs is wider than that of VRFBs, leading to fast redox reactivity in a high temperature range.
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