Michael D. Galluzzo
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View article: Probing transference and field-induced polymer velocity in block copolymer electrolytes
Probing transference and field-induced polymer velocity in block copolymer electrolytes Open
View article: Supplemental Data for Cell Reports Physical Science article "Probing transference and field-induced polymer velocity in block copolymer electrolytes"
Supplemental Data for Cell Reports Physical Science article "Probing transference and field-induced polymer velocity in block copolymer electrolytes" Open
The data and Jupyter notebook uploaded here is Supplemental Information for the article: Probing transference and field-induced polymer velocity in block copolymer electrolytes Coauthored by: Michael D. Galluzzo, Hans-Georg Steinrück, Chri…
View article: Supplemental Data for Cell Reports Physical Science article "Probing transference and field-induced polymer velocity in block copolymer electrolytes"
Supplemental Data for Cell Reports Physical Science article "Probing transference and field-induced polymer velocity in block copolymer electrolytes" Open
The data and Jupyter notebook uploaded here is Supplemental Information for the article: Probing transference and field-induced polymer velocity in block copolymer electrolytes Coauthored by: Michael D. Galluzzo, Hans-Georg Steinrück, Chri…
View article: Comparing Theoretical Salt Concentration Profiles in a Polymer Electrolyte with Experimental Measurements using Operando Raman Spectroscopy
Comparing Theoretical Salt Concentration Profiles in a Polymer Electrolyte with Experimental Measurements using Operando Raman Spectroscopy Open
Concentrated solution theory has furthered our understanding of ion transport in electrolytes. This theory can be used to predict salt concentration profiles under an applied current if the transport properties of the electrolyte (conducti…
View article: Orientation-Dependent Distortion of Lamellae in a Block Copolymer Electrolyte under DC Polarization
Orientation-Dependent Distortion of Lamellae in a Block Copolymer Electrolyte under DC Polarization Open
Lithium-salt-doped block copolymers have the potential to serve as solid electrolytes in rechargeable batteries with lithium metal anodes. In this work, we use small-angle X-ray scattering (SAXS) to study the structure of polystyrene-block…
View article: Modifying Li<sup>+</sup> and Anion Diffusivities in Polyacetal Electrolytes: A Pulsed-Field-Gradient NMR Study of Ion Self-Diffusion
Modifying Li<sup>+</sup> and Anion Diffusivities in Polyacetal Electrolytes: A Pulsed-Field-Gradient NMR Study of Ion Self-Diffusion Open
Polyacetal electrolytes have been demonstrated as promising alternatives to liquid electrolytes and poly(ethylene oxide) (PEO) for rechargeable lithium-ion batteries; however, the relationship between polymer structure and ion motion is di…
View article: Effect of Added Salt on Disordered Poly(ethylene oxide)-<i>Block</i>-Poly(methyl methacrylate) Copolymer Electrolytes
Effect of Added Salt on Disordered Poly(ethylene oxide)-<i>Block</i>-Poly(methyl methacrylate) Copolymer Electrolytes Open
In this report we studied the effect of salt addition on a diblock copolymer system with a negative Flory-Huggins interaction parameter, χ, indicative of attractive interactions between the two blocks. The system studied is poly(ethylene o…
View article: Understanding Diameter and Length Effects in a Solution‐Processable Tellurium‐Poly(3,4‐Ethylenedioxythiophene) Polystyrene Sulfonate Hybrid Thermoelectric Nanowire Mesh
Understanding Diameter and Length Effects in a Solution‐Processable Tellurium‐Poly(3,4‐Ethylenedioxythiophene) Polystyrene Sulfonate Hybrid Thermoelectric Nanowire Mesh Open
Organic–inorganic hybrids offer great promise as solution‐processable thermoelectric materials. However, they have struggled to surpass the performance of their rigid inorganic counterparts due, in part, to a lack of synthetic control and …
View article: Dynamic Structure and Phase Behavior of a Block Copolymer Electrolyte under dc Polarization
Dynamic Structure and Phase Behavior of a Block Copolymer Electrolyte under dc Polarization Open
An important consideration when designing lithium battery electrolytes for advanced applications is how the electrolyte facilitates ion transport at fast charge and discharge rates. Large current densities are accompanied by large salt con…
View article: Measurement of Three Transport Coefficients and the Thermodynamic Factor in Block Copolymer Electrolytes with Different Morphologies
Measurement of Three Transport Coefficients and the Thermodynamic Factor in Block Copolymer Electrolytes with Different Morphologies Open
The design and engineering of composite materials is one strategy to satisfy the materials needs of systems with multiple orthogonal property requirements. In the case of rechargeable batteries with lithium metal anodes, the system require…
View article: Composition Dependence of the Flory–Huggins Interaction Parameters of Block Copolymer Electrolytes and the Isotaksis Point
Composition Dependence of the Flory–Huggins Interaction Parameters of Block Copolymer Electrolytes and the Isotaksis Point Open
The thermodynamics of block copolymer/salt mixtures were quantified through the application of Leibler’s random phase approximation to disordered small-angle X-ray scattering profiles. The experimental system is comprised of polystyrene-bl…
View article: Ohm’s law for ion conduction in lithium and beyond-lithium battery electrolytes
Ohm’s law for ion conduction in lithium and beyond-lithium battery electrolytes Open
The viability of next generation lithium and beyond-lithium battery technologies hinges on the development of electrolytes with improved performance. Comparing electrolytes is not straightforward as multiple electrochemical parameters affe…
View article: Dissolution of Lithium Metal in Poly(ethylene oxide)
Dissolution of Lithium Metal in Poly(ethylene oxide) Open
We observe that lithium metal is sparingly soluble in poly(ethylene oxide) (PEO). 7Li NMR shows that when a PEO sample is placed in contact with lithium metal at elevated temperatures, a lithium species dissolves and diffuses in…
View article: Dissolution of Lithium Metal in Poly(ethylene oxide)
Dissolution of Lithium Metal in Poly(ethylene oxide) Open
We demonstrate that\nlithium metal is sparingly soluble in poly(ethylene\noxide) (PEO). 7Li NMR shows that when a PEO sample is placed\nin contact with lithium metal at elevated temperatures, a lithium\nspecies dissolves and di…
View article: Confined versus Unconfined Crystallization in Block Copolymer/Salt Mixtures Studied by Depolarized Light Scattering
Confined versus Unconfined Crystallization in Block Copolymer/Salt Mixtures Studied by Depolarized Light Scattering Open
In this work, crystallization in an ordered lamellar diblock copolymer/salt mixture, polystyrene-block-poly(ethylene oxide) mixed with lithium bis(trifluoromethanesulfonyl)imide salt (SEO/LiTFSI), has been studied using a combination of sm…
View article: Detection of the Order-to-Disorder Transition in Block Copolymer Electrolytes Using Quadrupolar <sup>7</sup>Li NMR Splitting
Detection of the Order-to-Disorder Transition in Block Copolymer Electrolytes Using Quadrupolar <sup>7</sup>Li NMR Splitting Open
The order-to-disorder transition temperature (TODT) in a series of mixtures of polystyrene-b-poly(ethylene oxide) (SEO) and lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) salt is identified by the disappearanc…
View article: Phase Behavior of Mixtures of Block Copolymers and a Lithium Salt
Phase Behavior of Mixtures of Block Copolymers and a Lithium Salt Open
We present experimental results on the phase behavior of block copolymer/salt mixtures over a wide range of copolymer compositions, molecular weights, and salt concentrations. The experimental system comprises polystyrene- block-poly(ethyl…