JCESR’s focus has changed to building transformational materials from the bottom up, atom-by-atom and molecule-by-molecule, where each atom or molecule plays a prescribed role in producing the desired overall materials performance. We could not have done this 10 years ago when the advanced scientific tools we are now using did not yet exist. We are working to discover new material structures with behaviors that have never been seen before—that we will be able to model and produce with our bottom up, atom-by-atom approach.
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Data-driven electrode parameter identification for vanadium redox flow batteries through experimental and numerical methods
This study provides extensive validation for 3D-to-2D model reduction for redox flow batteries (RFBs). This computationally light, 2D model is used to generate a data set of >6,000 unique RFB simulations for statistical quantification. Read More
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Ion-conducting Thermo-responsive Films Based on Polymer Grafted Cellulose Nanocrystals
Mechanically robust, thermoresponsive, ion-conducting nanocomposite films have been prepared from ionic liquid imbibed poly(2-phenylethyl methacrylate)-grafted cellulose nanocrystals. On account of the lower critical solution temperature (LCST) of the grafted polymer in the ionic liquid, these materials exhibit a conductivity decrease around 60 °C … Read More
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Competition of Stacking and Piling Improves Molecular Solubility in Electrolyte
Organic redox-active molecules (redoxmers) are charge carriers in redox flow cells. Since the energy density of a battery fluid is proportional to concentration of active molecules, high molecular solubility is desirable. However, as the redoxmer solutions become crowded, solute-solute interactions become stronger, opposing high solubility. Read More
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Greater redoxmer stability through nanoconfinement
Structural diversity of organic redox-active molecules (redoxmers) permits tuning not only solute-electrolyte interactions but also solute-solute interactions in concentrated electrolyte solutions. The 1,4-dimethoxybenzene (DMB) family is an example of such flexibility. We show that DMB molecule 1 forms extended aggregates in concentrated solutions whereas simpler … Read More
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Highly Reversible Plating/Stripping of Porous Zinc Anodes for Multivalent Zinc Batteries
Highly reversible Zn plating/stripping achieved with electrodes prepared by electrodepositing Zn onto porous 3D Cu foam. Read More
