Jodie Lutkenhaus

pH is a widely used indicator of soil and water quality and controls reaction conditions and the structure of biomolecules. Because of this, the ability to accurately measure pH is extremely important…

Metal-free, aqueous batteries offer environmentally friendly energy storage without depleting global reserves of strategic elements. These batteries consist of solid, redox-active polymeric anodes and cathodes with a water-based electrolyte…

The dynamic mechanical and rheological behavior of polyelectrolyte coacervates and complex precipitates is of interest for many applications ranging from health to personal care…

Division/Committee: [PMSE] Division of Polymeric Materials Science and Engineering

Replacing vanadium and other inorganic redox couples in redox flow batteries (RFBs) with small molecule organics has been of interest in recent years. Due to their tunability in redox potentials and solubility, they offer a wider design space for optimizing cell performance metrics…

Division/Committee: [PMSE] Division of Polymeric Materials Science and Engineering

Division/Committee: [PMSE] Division of Polymeric Materials Science and Engineering

Within a few decades, lithium-ion batteries (LIBs) have revolutionized technologies facilitating the rapid development of new portable devices and electric vehicles…

Division/Committee: [PMSE] Division of Polymeric Materials Science and Engineering

Polypeptides represent a class of naturally-derived (bio)degradable functionalizable polymers that are suitable for a variety of applications…

The alternate adsorption of polycations and polyanions on a substrate yields multilayer structures that have highly adaptable properties. These polyelectrolyte multilayers (PEMs) have promising applications in batteries, drug-delivery and protective coating systems…

In recent years, MXenes, transition metal carbides or nitrides, have drawn increasing attention due to their high electrical conductivity and catalytic activity, hydrophilicity, and diverse surface chemistry…

This presentation will discuss the water-based solution-assembly of 2-dimensional MXene nanosheets with polyelectrolyte using the layer-by-layer assembly technique…

MXenes, a recently discovered class of 2D nanomaterials derived from MAX phase precursors, have demonstrated utility in a wide variety of applications including energy storage, catalysis, and sensing…

Sociopolitical pressure towards elemental cobalt drives the demand for new energy storage materials…

TEMPO-based organic radical polymers such as poly(2,2,6,6-tetramethylpiperidinyloxy-4-yl methacrylate) (PTMA) are important polymers in organic radical batteries owing to their ease of synthesis and fast transport properties…

Within a few decades, lithium-ion batteries have revolutionized technologies facilitating the development of new portable devices and electric vehicles. However, this rapid technology growth has exceeded the mining ability of lithium, cobalt and other mineral ore resources…

Structural energy storage requires batteries with good energy storage as well as mechanical properties. This technology may lead to substantial mass and volume savings in electric automobiles, cube satellites, and aerospace applications by storing energy within the vehicle’s body panels…

Metals are essential ingredients in today’s Li-ion batteries (LIBs), but their continued use presents economic, ethical, and environmental challenges…

Despite numerous prior reports of molten salt etching of MAX phases, there have been few successful reports of water-dispersible MXene nanosheets, and none for Nb-based MXenes. Here we demonstrate the synthesis and aqueous dispersion of Nb2CTZ nanosheets via molten salt etching…

Polyelectrolyte complexes and coacervates bear importance in therapeutics, adhesives, and smart coatings, as well as in understanding the origins of life…

To satisfy the growing demand for advanced technologies, such as portable electronics and electric vehicles, the development of multifunctional energy storage devices with higher energy densities, enhanced safety, and affordable cost is necessary…

Polyelectrolyte complexes (PECs), which form when oppositely charged polymers associate to create a larger structure, are experiencing a renaissance spurred by new processing approaches and applications…

Sociopolitical pressure towards elemental cobalt drives the demand for new energy storage materials. This is challenged by the low recycling rate of Li-ion batteries coupled with anticipated growth in the market…

Structural energy and power combines the load-bearing capabilities of structural composites with the energy storage capabilities of batteries and supercapacitors. The potential benefit is reduced mass and volume in electrified transportation, enhanced resilience to impact, and improved safety…

Despite numerous prior reports of molten salt etching of MAX phases, few of these reports achieved water-dispersible MXene nanosheets, and none for Nb-based MXenes…

The Pentzer group uses Pickering emulsions, or emulsions stabilized by solid particle surfactants, for the production of different composite materials…

Structural energy and power combines the load-bearing capabilities of structural composites with the energy storage capabilities of batteries and supercapacitors. The potential benefit is reduced mass and volume in electrified transportation, enhanced resilience to impact, and improved safety…

Despite numerous prior reports of molten salt etching of MAX phases, few of these reports achieved water-dispersible MXene nanosheets, and none for Nb-based MXenes…

The Pentzer group uses Pickering emulsions, or emulsions stabilized by solid particle surfactants, for the production of different composite materials…

Porous MXene-polymer composites have gained attention due to their lightweight properties, large surface area, and high electrical conductivity, which can be used in applications such as electromagnetic interference (EMI) shielding, sensing, energy storage, and catalysis…

Structural energy storage requires optimized batteries with significant energy storage together with excellent mechanical properties…

The future of Li-ion battery manufacturing is challenged by projected shortages of critical materials and a highly centralized supply chain…

Metal-free aqueous batteries can potentially address projected shortages of strategic metals and safety issues found in lithium-ion batteries…

Structural energy and power systems combine the load-bearing capabilities of structural composites with the energy storage capabilities of batteries and supercapacitors…

The charge transfer properties of non-conjugated redox-active polymers are dependent upon distance between redox active sites, as well as flexibility of the polymer chain. However, it is difficult to observe how these effects individually influence the overall charge transfer ability…

Conjugated polymers have promising applications in electronics and energy storage due to the polymer’s tunable conductivity and redox activity…

Ti3C2Tz MXene possesses interesting optical properties, such as a high absorption coefficient and complex refractive index profile throughout the UV, visible, and infrared ranges of light. This makes such MXenes candidates for use in optical films and coatings…

Energy storage systems developed using sustainable feedstocks and redox-active molecules offer significant ethical and environmental advantages compared to conventional metal-based platforms, such as lithium-ion batteries…

Cobalt, nickel, and lithium are essential ingredients in today’s lithium-ion batteries (LIBs), but their continued use presents economic, ethical, and environmental challenges…

Organic polymer batteries have been explored for decades, but only recently has their popularity experienced a recent resurgence…

MXenes are a 2D nanomaterial that is synthesized from a parent MAX phase, where M is a transition group element, A is a group 13 or 14 element, and X is carbon, nitrogen, or both. The synthesis route influences the terminal group distribution of MXenes, altering their properties and performance…

Polyelectrolyte complexes, made from the assembly of oppositely charged polymers, can exist in solid and liquid coacervate phases. At certain temperature or salt concentrations, the complex will disassemble into a solution state…

Exploring a synthetic approach to control the radical density at inorganic particle interfaces, especially at silica particles, is challenging and needed to answer several ongoing research questions regarding charge transport efficiency and stability…

Developing polymer electrolytes with high ionic conductivity is critical for many energy storage and conversion technologies. This requires understanding of mechanisms controlling energy barrier for ion transport in polymers [1,2]…