Danyi Sun

WORK HISTORY

EDUCATION

ABOUT DANYI SUN

Dynamic and innovative Chemical Engineering PhD graduate with a robust background in the development and characterization of battery materials and solid-state lithium-ion batteries. Proficient in applying advanced techniques and methodologies, including atomic layer deposition and tape casting, to enhance material properties and battery performance. Experienced in comprehensive battery testing and materials characterization, with a strong focus on electrochemistry. Known for excellent communication and presentation skills, both written and oral. Demonstrates strong leadership abilities and a proven track record of successful collaboration in multidisciplinary teams. Eager to contribute expertise in battery technology and materials engineering to a forward-thinking company.Project Highlights:Solid-state Lithium-ion Battery Development:Developed a \'rigid and flexible\' structure to enhance the safety and efficiency of solid-state Li-metal batteries.Utilized advanced manufacturing techniques such as tape casting and atomic layer deposition to optimize battery components.Achieved significant improvements in interfacial stability and ionic conductivity.Electrochemical Characterization and Battery Testing:Utilized rigorous testing protocols including galvanostatic polarization, cyclic voltammetry, and electrochemical impedance spectroscopy.Enhanced cyclability and achieved high Coulombic efficiency in lithium half-cells under varying current densities.Lithium Extraction from Brine Using Electrodialysis:Engineered and assembled a novel electrochemical setup employing a perovskite-type lithium-ion conductor as a selective membrane.Applied Atomic layer deposition to render the surface hydrophilic, successfully reducing solid-liquid interfacial resistance by 78% and increasing polarization current by 48%, thereby optimizing the efficiency of lithium extraction.Materials Characterization:Conducted comprehensive materials characterization using techniques like XRD, SEM, FT-IR and ss-NMR to analyze and enhance the properties of battery materials.Contributed to a deeper understanding of material behavior, informing future design improvements.