Now showing items 1-11 of 11

    • Electrochemical Performance of Mixed Redox-Active Organic Molecules in Redox Flow Batteries 

      Amini, Kiana; Jing, Yan; Gao, Jinxu; Sosa, Jordan; Gordon, Roy; Aziz, Michael (The Electrochemical Society, 2023-12-01)
      Designing electrolytes based on mixture of different organic redox active molecules brings the opportunity of enhancing the volumetric energy density of flow batteries and removes the requirement of high solubility for ...
    • Extremely Stable Anthraquinone Negolytes Synthesized from Common Precursors 

      Wu, Min; Jing, Yan; Wong, Andrew; Fell, Eric; Jin, Shijian; Tang, Zhijiang; Gordon, Roy; Aziz, Michael (Elsevier BV, 2020-06)
      Synthetic cost and long-term stability remain two of the most challenging barriers for the utilization of redox-active organic molecules in redox flow batteries for grid scale energy storage. Starting from potentially ...
    • A High Voltage Aqueous Zinc–Organic Hybrid Flow Battery 

      Park, Minjoon; Beh, Eugene S.; Fell, Eric; Jing, Yan; Kerr, Emily; De Porcellinis, Diana; Goulet, Marc‐Antoni; Ryu, Jaechan; Wong, Andrew A.; Gordon, Roy; Cho, Jaephil; Aziz, Michael (Wiley, 2019-05-17)
      Water‐soluble redox‐active organic molecules have attracted extensive attention as electrical energy storage alternatives to redox‐active metals that are low in abundance and high in cost. Here an aqueous zinc–organic ...
    • A High Voltage Aqueous Zinc–Organic Hybrid Flow Battery 

      Aziz, Michael; Park, Minjoon; Kerr, Emily; De Porcellinis, Diana; Beh, Eugene S.; Fell, Eric M.; Jing, Yan; Wong, Andrew; Goulet, Marc-Antoni; Ryu, Jaechan; Gordon, Roy G.; Cho, Jaephil (Wiley, 2019-05-17)
      Water‐soluble redox‐active organic molecules have attracted extensive attention as electrical energy storage alternatives to redox‐active metals that are low in abundance and high in cost. Here an aqueous zinc–organic ...
    • Highly Stable, Low Redox Potential Quinone for Aqueous Flow Batteries 

      Wu, Min; Bahari, Meisam; Jing, Yan; Amini, Kiana; Fell, Eric; George, Thomas; Gordon, Roy; Aziz, Michael (Wiley, 2022-02-24)
      Aqueous organic redox flow batteries are promising candidates for large-scale energy storage. However, the design of stable and inexpensive electrolytes is challenging. Here, we report a highly stable, low redox potential, ...
    • In situ Electrosynthesis of Anthraquinone Electrolytes in Aqueous Flow Batteries 

      Jing, Yan; Wu, Min; Wong, Andrew A.; Fell, Eric; Jin, Shijian; Pollack, Daniel; Kerr, Emily; Gordon, Roy; Aziz, Michael (Royal Society of Chemistry (RSC), 2020-09-02)
      We demonstrate the electrochemical oxidation of an anthracene derivative to a redox-active anthraquinone at room temperature in a flow cell without the use of hazardous oxidants or noble metal catalysts. The anthraquinone, ...
    • Leveraging Temperature-Dependent (Electro)Chemical Kinetics for High-Throughput Flow Battery Characterization 

      Fell, Eric; George, Thomas; Jing, Yan; Gordon, Roy; Aziz, Michael (American Chemical Society (ACS), 2024-02-02)
      The library of redox-active organics that are potential candidates for electrochemical energy storage in flow batteries is exceedingly vast, necessitating high-throughput characterization of molecular lifetimes. Demonstrated ...
    • Low Energy Carbon Capture via Electrochemically Induced pH Swing with Electrochemical Rebalancing 

      Jin, Shijian; Wu, Min; Jing, Yan; Gordon, Roy; Aziz, Michael (Cambridge University Press (CUP), 2021-09-13)
      We demonstrate a carbon capture system based on pH swing cycles driven through proton-coupled electron transfer of sodium (3,3’-(phenazine-2,3-diylbis(oxy))bis(propane-1-sulfonate)) (DSPZ) molecules. Electrochemical reduction ...
    • Near Neutral pH Redox Flow Battery with Low Permeability and Long‐Lifetime Phosphonated Viologen Active Species 

      Jin, Shijian; Fell, Eric; Vina-Lopez, Lucia; Jing, Yan; Michalak, Winston; Gordon, Roy; Aziz, Michael (Wiley, 2020-04-06)
      A highly stable phosphonate‐functionalized viologen is introduced as the redox‐active material in a negative potential electrolyte for aqueous redox flow batteries (ARFBs) operating at nearly neutral pH. The solubility is ...
    • Symmetric All-Quinone Aqueous Battery 

      Tong, Liuchuan; Jing, Yan; Gordon, Roy; Aziz, Michael (American Chemical Society (ACS), 2019-05-31)
      Here we report a symmetric all-quinone aqueous battery based entirely on earth-abundant elements that uses a naturally occurring dye as the redox-active material in both positive and negative electrodes. We demonstrated a ...
    • A Water-Miscible Quinone Flow Battery with High Volumetric Capacity and Energy Density 

      Jin, Shijian; Jing, Yan; Kwabi, David; Ji, Yunlong; Tong, Liuchuan; De Porcellinis, Diana; Goulet, Marc-Antoni; Pollack, Daniel A.; Gordon, Roy; Aziz, Michael (American Chemical Society (ACS), 2019)
      A water-miscible anthraquinone with polyethylene glycol (PEG)-based solubilizing groups is introduced as the redox-active molecule in a negative electrolyte (negolyte) for aqueous redox flow batteries, exhibiting the highest ...