A5091979803- Advancements in Battery Materials
- Advanced Battery Technologies Research
- Advanced Battery Materials and Technologies
- Laser-induced spectroscopy and plasma
- Laser Material Processing Techniques
- Analytical chemistry methods development
- Mass Spectrometry Techniques and Applications
- Pesticide Residue Analysis and Safety
- Laser-Ablation Synthesis of Nanoparticles
University of Illinois Chicago
2023-2024
Composite polymer electrolytes (CPEs) are attractive materials for solid-state lithium metal batteries, owing to their high ionic conductivity from ceramic conductors and flexibility components. As with all however, CPEs face the challenge of dendrite formation propagation. Not only does this lower critical current density (CCD) before cell shorting, but uncontrolled growth deposits may limit Coulombic efficiency (CE) by creating dead lithium. Here, we present a fundamental study on how...
Imipramine class tricyclic antidepressants have low ionization efficiencies that make them difficult to detect by using secondary ion mass spectrometry. Ultraviolet picosecond laser desorption postionization (ps-LDPI-MS) is examined here for the detection of four antidepressants: imipramine, desipramine, amitriptyline, and clomipramine. About 30 ps pulses at either 213 nm (5.8 eV) or 355 (3.5 are used samples under vacuum, 7.9 eV (157 nm) fluorine post-ionization, ions so formed detected...
Solid-state batteries (SSBs) in an “anode-free” cell format using lithium metal anodes are the best candidates for high energy density battery applications. However, low Coulombic efficiency and charge loss due to solid electrolyte interphase (SEI) formation severely limit cycle life of anode-free SSBs. Here, we explore ultra-thin (5–20 nm) Al 2 O 3 ZnO coatings deposited by atomic layer deposition (ALD) on copper electrodes cells with a polymer electrolyte. Voltammetry shows that inventory...
Laser ablation (LA) using nanosecond (ns) or femtosecond (fs) pulse widths is well-established for the volatilization of a liquid solid applications ranging from micromachining to sampling compositional analysis. Far less work has examined laser in intermediate picosecond regime (ps-LA), which corresponds approximate timescale transfer energy laser-excited electrons lattice. 213 and 355 nm ps-LA silicon (Si) with Gaussian beam profiles compared here 800 fs-LA both flat-top profiles, all...