Research Highlights
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Reversible Calcium Plating and Stripping at Room Temperature Using a Borate Salt
Novel low-ion pairing calcium salt developed that enables reversible calcium plating and stripping in 1,2-dimethoxy ethane at room temperature. Read More
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Tuning the Selectivity and Activity of Electrochemical Interfaces with Defective Graphene Oxide and Reduced Graphene Oxide
A modified Langmuir-Blodgett approach is developed for the deposition of GO and rGO films that enables ex situ engineering of the activity and selectivity of electrochemical interfaces in both aqueous and non-aqueous electrolytes. Read More
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An Organic Super-Electron-Donor as a High Energy Density Negative Electrolyte for Nonaqueous Flow Batteries
A previously reported organic “super-electron-donor” was shown to have several favorable properties for application as an anolyte in nonaqueous flow batteries. Read More
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Roles of inorganic surface layers on solid electrolyte interphase evolution at Li-metal anodes
We uncovered the effects of nanometer-sized lithium oxide, lithium hydroxide, and lithium carbonate as surface passivation layers on the interfacial reactivity of Li-metal anodes. Read More
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Lipophilic Additives for Highly Concentrated Electrolytes in Lithium-Sulfur Batteries
Developed a lipophilic additive, tetrabutylammonium iodide (TBAI), for highly concentrated electrolytes and tested its electrochemical performance in lithium-sulfur batteries. Read More
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“Ion Solvation Spectra”: Free Energy Analysis of Solvation Structures of Multivalent Cations in Aprotic Solvents
Advanced free-energy sampling techniques reveal that monoatomic divalent cations in organic solvents may have multiple well-defined minima or plateaus of free energy with respect to the number of coordinating solvent molecules. We introduce the concept of “ion solvation spectra” to highlight non-trivial phenomenology related to a continuum of ion solvation environments, as opposed to a single coordination minimum. Read More
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Modified Ohm’s Law in Lithium and Beyond-lithium Battery Electrolytes
Battery electrolytes contain two mobile charged species of opposite charge and thus the traditional Ohm’s law, which applies to one mobile charged species, must be modified. This review uses a modified Ohm’s law to rank order electrolytes. Read More
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Probing Reactive Oxygen Species on Boron-Doped Diamond Anodes
Multiple surface oxygen species form and react at different rates on sp2 carbon-containing boron-doped diamond electrodes during water oxidation. Read More
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Developing a Predictive Solubility Model for Monomeric and Oligomeric Cyclopropenium-Based Flow Battery Catholytes
Two important field-wide goals are met through this study: the development of a statistical model for the solubility of conformationally flexible molecules in acetonitrile and the operation of a high concentration (1 M) nonaqueous organic symmetric flow cell. Read More
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On Transferability of Performance Metrics for Redox-active Molecules
It is shown that two commonly used performance metrics for charged redoxmers in flow batteries, viz. their cycling and calendar lifetimes, generally do not correlate with each other. It is also demonstrated that the cycling stability is extremely sensitive to experimental detail; unless the conditions are tightly controlled, this metric is unsuitable as a guide for materials development. Read More
Latest Updates
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Reversible Calcium Plating and Stripping at Room Temperature Using a Borate Salt
Novel low-ion pairing calcium salt developed that enables reversible calcium plating and stripping in 1,2-dimethoxy ethane at room temperature. Read More
-
Tuning the Selectivity and Activity of Electrochemical Interfaces with Defective Graphene Oxide and Reduced Graphene Oxide
A modified Langmuir-Blodgett approach is developed for the deposition of GO and rGO films that enables ex situ engineering of the activity and selectivity of electrochemical interfaces in both aqueous and non-aqueous electrolytes. Read More
-
An Organic Super-Electron-Donor as a High Energy Density Negative Electrolyte for Nonaqueous Flow Batteries
A previously reported organic “super-electron-donor” was shown to have several favorable properties for application as an anolyte in nonaqueous flow batteries. Read More
-
Roles of inorganic surface layers on solid electrolyte interphase evolution at Li-metal anodes
We uncovered the effects of nanometer-sized lithium oxide, lithium hydroxide, and lithium carbonate as surface passivation layers on the interfacial reactivity of Li-metal anodes. Read More
-
Lipophilic Additives for Highly Concentrated Electrolytes in Lithium-Sulfur Batteries
Developed a lipophilic additive, tetrabutylammonium iodide (TBAI), for highly concentrated electrolytes and tested its electrochemical performance in lithium-sulfur batteries. Read More
