Research Highlights
-
The Quest for Functional Oxide Cathodes for Magnesium Batteries: A Critical Perspective
This Perspective describes a holistic approach to robustly confirm and quantify Mg intercalation in metal oxides, and critically surveys recent literature to reveal true state-of-the-art metal oxides for Mg batteries. Read More
-
Improved Li+ transport in Polyacetal Electrolytes: Conductivity and Current Fraction in a Series of Polymers
Our team identified several polymer electrolytes that outperform Li-ion transport in PEO by nearly 150% based on conductivity and current fraction measurements. Read More
-
Diversity-oriented synthesis of polymer membranes with ion solvation cages
Diversification of the PIM scaffold accelerates the identification of PIMs with desirable guest-host interactions. Li-solvating morpholine groups displayed in the PIM’s free volume elements offer exceptionally high conductivity and LI+ transference number. Read More
-
The Influence of Current Density on Transport of Vanadium Cations through Membranes with Different Charges
Evaluated the transference numbers of four vanadium cations through positively, negatively, and initially uncharged membranes. Complete data sets collected including conductivity, transference number, and sorption. Read More
-
Quantifying Species Populations in Multivalent Borohydride Electrolytes
The relative concentrations of the critical species present in complex borohydride electrolytes were determined, quantifying solvation environment evolution and species formation as a function of which multivalent cation (Mg or Ca) is present. Read More
-
Factors Influencing Preferential Anion Interactions during Solvation of Multivalent Cations in Ether-based Solvents
Discovered and described how solvent structure and cation size influence cation−anion interactions, suggesting that they drive the formation of free ions in ethereal multivalent electrolytes. Read More
-
Multivalent Ion Transport in Anti-Perovskite Solid Electrolytes
A comprehensive computational approach is used to discover potential multivalent (MV)-ion conducting solid electrolytes (SEs) based on the anti-perovskite (AP) crystal structure. Read More
-
Multivalent Ion Transport in Anti-Perovskite Solid Electrolytes
A comprehensive computational approach is used to discover potential multivalent (MV)-ion conducting solid electrolytes (SEs) based on the anti-perovskite (AP) crystal structure. Read More
-
Nanoheterogeneity of LiTFSI Solutions Transitions Close to a Surface and with Concentration
The interfacial structure of the water-in-salt electrolytes (WiSE) on a mica surface is investigated. Nanostructures of 1nm to 3 nm are observed. The size of the nanostructure varies depending on the concentration of the LiTFSI/H2O system. Read More
-
Functionalized Phosphonium Cations Enable Zn Metal Reversibility in Aqueous Electrolytes
The presence of P444(2O1)+ cation in aqueous electrolyte enhances Zn reversibility dramatically by enabling a high Coulombic efficiency (CE, > 99%) at high utilization (20% Zn per cycle) for Zn plating/stripping, suppressing hydrogen evolution, and allowing a remarkable dendrite-free cycling even under aggressive conditions (2.5 mA/cm2, 2.5 mAh/cm2). Read More
Latest Updates
See All-
Efficient Intermolecular Charge Transport in π-Stacked Pyridinium Dimers Using Cucurbit[8]uril Supramolecular Complexes
In this work, we observe highly efficient intermolecular charge transport between stacked pyridinium dimers inside a synthetic host (cucurbit[8]uril, CB[8]) using single molecule techniques. Read More
-
George Crabtree wins 2022 Energy Systems Award
The prestigious award recognizes the importance of transforming energy systems from fossil fuels to carbon-free technologies. Physicist George Crabtree of the U.S. Department of Energy’s (DOE) Argonne National Laboratory has received the 2022 Energy Systems Award from the American Institute of Aeronautics and Astronautics ( … Read More
-
Exploring the Synthesis of Alkali Metal Anti-perovskites
This work combines Density functional theory, quasi-harmonic approximation and experiments to explore the synthesizability of several marginally stable antiperovskites (APs) and overall, has obtained good agreement between experiments and computation. Read More
-
Untapped Potential: The Need and Opportunity for High-Voltage Aqueous Redox Flow Batteries
Prior studies of the techno-economic design space for aqueous redox flow batteries (AqRFBs) have almost exclusively focused on cell potentials ≤1.5 V, due, at least in part, to the belief that battery operation at higher cell potentials in not feasible due to electrolyte decomposition. However, … Read More
-
Intercalation of Ca into a Highly Defective Manganese Oxide at Room Temperature
Nanocrystals of layered MnOx containing a high concentration of atomic defects and lattice water are shown to have remarkable electrochemical activity towards Ca2+ , amounting to a capacity of ~130 mAh/g at room temperature. Multimodal characterization revealed the notable degree of intercalation by probing the … Read More
