Daphne Tsai
Undergraduate Researcher - Hersam Research Group at Northwestern University Materials Science and Engineering Department- Claim this Profile
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Experience
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Northwestern University Materials Science and Engineering Department
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United States
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Higher Education
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1 - 100 Employee
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Undergraduate Researcher - Hersam Research Group
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May 2021 - Present
• Designed ultra-filtration technique for graphene dispersions, improving graphene content in dispersion by ~25 wt%. • Developed new method for extracting solvent-polymer solutions from nanomaterial dispersions and reusing them in liquid-phase exfoliation through cross-flow ultra-filtration and diafiltration. • Led project investigating ultra-sonication and high-shear mixing of graphite intercalation compounds and expanded graphite, increasing lab-scale graphene yield by ~20%. • Processed over 20L of graphene dispersions by liquid-phase exfoliation and centrifugation. Formulated printable graphene inks. Show less
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NanoGraf Corporation
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United States
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Chemical Manufacturing
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1 - 100 Employee
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Research And Development Intern
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Jun 2022 - Aug 2022
• Designed and led project to implement a new coating for silicon anodes in lithium-ion batteries, stabilizing the pH of the anode slurry and improving its volume expansion by ~75%. • Characterized and analyzed the composition and surface features of over 50 samples of active materials for silicon anodes using XPS and SEM. • Designed and led project to implement a new coating for silicon anodes in lithium-ion batteries, stabilizing the pH of the anode slurry and improving its volume expansion by ~75%. • Characterized and analyzed the composition and surface features of over 50 samples of active materials for silicon anodes using XPS and SEM.
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Education
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Northwestern University
Bachelor's degree, Materials Science and Engineering -
Shanghai American School
High School Diploma