Now showing items 1-9 of 9

    • 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, ...
    • 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 ...