Dawn of Calcium Batteries
Kevin V. Nielson, T. Leo Liu. Calcium batteries are a potentially sustainable, high‐energy‐density battery technology beyond Li ion batteries. Now the development of Ca batteries has become possible with a newly invented Ca electrolyte capable of revers
In-Situ Sulfurized Carbon-confined Cobalt for Long-Life Mg/S Batteries
Tianbiao Liu, Yujing Bi, Jian Luo. Magnesium (Mg) batteries have attracted growing attention owing to their low cost and high volumetric capacity. Mg/S batteries are of particular interest because of the high capacities of Mg and sulfur, which cooperati
Reversible Electrochemical Interface of Mg Metal and Conventional Electrolyte Enabled by Intermediate Adsorption
Tianbiao Leo Liu. Conventional electrolytes made by mixing simple Mg2+ salts and aprotic solvents, analogous to those in Li-ion batteries, are incompatible with Mg anodes because Mg metal readily reacts with such electrolytes, producing a passivation la
An Efficient Viologen-Based Electron Donor to Nitrogenase
Lance C. Seefeldt, T. Leo Liu, Artavazd Badalyan, Zhi-Yong Yang, Bo Hu, Jian Luo, Maowei Hu. Nitrogenase catalyzes the reduction of N2 to NH3, supporting all biological nitrogen fixation. Electron donors to this enzyme are ferredoxin or flavodoxin (in v
Extracellular vs Instracellular Delivery of CO: Does It Matter for a Stable, Diffusible Gasotransmitter?
Lisa M. Berreau, Tatiana Soboleva, Casey R. Simons Carbon monoxide (CO) is a gasotransmitter produced in humans. An essential unanswered question in the design of carbon monoxide releasing molecules (CORMs) is whether the delivery molecule should be lo
Manganese Catalyzed Desaturation of N-acyl Amines and Ethers
Gang Li. Enamines and enol ethers are versatile synthons for chemical synthesis. While several methods have been developed to access such molecules, prefunctionalized starting materials are usually required and direct desaturation methods remain rare. Her...
Redox switchable catalysis utilizing a fluorescent dye
Casey R. Simons. This report describes the implementation of a 4,4-difluoro-4-bora-3a,4a-diaza-s-indacene (BODIPY) dye into the ligand framework of a Rh-based catalyst. The redox-active nature of the BODIPY dye is utilized to generate a catalyst that is
Status and Prospects of Organic Redox Flow Batteries toward Sustainable Energy Storage
T. Leo Liu, Jian Luo, Bo Hu, Maowei Hu. Redox flow batteries (RFBs) are regarded a promising technology for large-scale electricity energy storage to realize efficient utilization of intermittent renewable energy. Redox-active materials are the most im
A Strategic High Yield Synthesis of 2,5-Dihydroxy-1,4-benoquinone Based MOFs
T. Leo Liu, Kevin V. Nielson, Liping Zhang. Metal organic frameworks (MOFs) of the type NBu4M(DHBQ)1.5 (M = Ni2+, Fe2+, and Co2+; DHBQ = 2,5- dihydroxy-1,4-benzoquinone) were prepared with improved yield up to 100% via a simple benchtop aqueous additio
A pH-Neutral, Metal-Free Aqueous Organic Redox Flow Battery Employing an Ammonium Anthrquinone Anolyte
T. Leo Liu, Maowei Hu, Bo Hu, Jian Luo. Redox-active anthraquinone molecules represent promising anolyte materials in aqueous organic redox flow batteries (AORFBs). However, the chemical stability issue and corrosion nature of anthraquinone-based anoly
Highly active nanostructured CoS2/CoS heterojunction electrocatalysts for aqueous polysulfide/iodide redox flow batteries
T. Leo Liu, Bo Hu, Wenda Wu. Aqueous polysulfide/iodide redox flow batteries are attractive for scalable energy storage due to their high energy density and low cost. However, their energy efficiency and power density are usually limited by poor electro
Computational Insights into Mg-Cl Complex Electrolytes for Rechargeable Magnesium Batteries
T. Leo Liu, Steve Scheiner, Jared B. Moss, Liping Zhang, Kevin V. Nielson, Yujing Bi. DFT calculations were conducted to provide unprecedented thermodynamic insights on tetrahydrofuran (THF) solvation, isomerization, and complexation of possible Mg Cl
Electrochemical Dinitrogen Reduction to Ammonia by Mo2N: Catalysis or Decomposition?
Lance C. Seefeldt, T. Leo Liu, Maowei Hu, Bo Hu. Instead of catalyzing electrochemical reduction of N2, we found that tetragonal Mo2N undergoes decomposition and results in the generation of ammonia. The present results call urgent attention to the need
3-Hydroxyflavones and 3-Hydroxy-4-oxoquinolines as Carbon Monoxide-Releasing Molecules
Lisa M. Berreau, Tatiana Soboleva Carbon monoxide-releasing molecules (CORMs) that enable the delivery of controlled amounts of CO are of strong current interest for applications in biological systems. In this review, we examine the various conditio
A Stable, Non-Corrosive Perfluorinated Pinacolatoborate Mg Electrolyte for Rechargeable Mg Batteries
Tianbiao Leo Liu, Jian Luo, Yujing Bi, Liping Zhang, Xiaoyin Zhang. Mg batteries are a promising energy storage system because of the physicochemical merits of Mg as an anode material. However, the lack of electrochemically and chemically stable Mg e
Evaluation of attractive interactions in the second coordination sphere of iron complexes containing pendant amines
Tianbiao Liu. The interactions between pendant amines in the second coordination sphere and ligands in the first coordination sphere are important for understanding the structures and reactivity of complexes containing PR2NR′2 ligands, which have been s
A 1.51 V pH neutral redox flow battery towards scalable energy storage
T. Leo Liu, Jian Luo, Wenda Wu, Camden Debruler, Bo Hu, Maowei Hu. Aqueous redox flow batteries using low-cost organic and inorganic active materials have received growing interest for sustainable energy storage. In this study, a low-cost, high redox po
Tracking CO Release in Cells via the Luminescence of Donor Molecules and/or their By-Products
Lisa M. Berreau, Tatiana Soboleva Carbon monoxide (CO) is a bioactive signalling molecule that is produced endogenously via the breakdown of heme. Beneficial health effects associated with the delivery of CO gas have spurred the development of CO‐relea
Unprecedented Capacity and Stability of Ammonium Ferrocyanide Catholyte in pH Neutral Aqueous Redox Flow Batteries
T. Leo Liu, Jian Luo, Bo Hu, Camden Debruler, Yujing Bi, Maowei Hu, Wenda Wu. Aqueous organic/organometallic redox flow batteries (AORFBs) have gained increasing attention for large-scale storage of intermittent renewable energy (e.g., solar and wind) d
Tandem Solar FLow Batteries for Conversion, Storage, and Utilization of Solar Energy
T. Leo Liu, Jian Luo. In this issue of Chem, Jin and coworkers present the design principles and demonstration of a highly efficient integrated solar flow battery (SFB) device that can be configured to perform all the requisite functions from solar ener
Visible-light-activated quinolone carbone-monoxide-releasing molecule: prodrug and albumin-assisted delivery enables anticancer and potent anti-inflammatory effects
Marina Popova, Tatiana Soboleva, Suliman Ayad, Abby D. Benninghoff, and Lisa M. Berreau Abstract: The delivery of controlled amounts of carbon monoxide (CO) to biological targets is of significant current interest. Very few CO-releasing compounds are curr...
Mitochndrial-localized versus cytosolic Intracellular CO-releasing organic photoCORMs: evaluation of CO effect using bioenergetics
Tatiana Soboleva, Hector J. Esquer, Stacey N. Anderson, Lisa M. Berreau, and Abby D. Benninghoff ABSTRACT: While interactions between carbon monoxide (CO) and mitochondria have been previously studied, the methods used to deliver CO (gas or CO-releasing m...
Electrolyzer design for flexible decoupled water splitting and organic upgrading with electron reservoirs
Wei Li, Nan Jiang, Bo Hu, Xuan Liu, Fuzhan Song, Guanqun Han, Taylor J. Jordan, Tanner B. Hanson, T. Leo Liu, Yujie Sun: Conventional water-splitting electrolysis drives the H2 and O2 evolution reactions (HER and OER, respectively) simultaneously with lar...