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Stephen Kang in Materials Science

Better Understanding, Lasting Impact, Scientific Progress

Read more about the article Contact resistance: important in battery electrodes!

Contact resistance: important in battery electrodes!

  • Post category:News

Bulk electronic conductivity of NMC is orders of magnitude larger than previously reported. It's because contact resistances were not properly excluded from measurements. We also find a significant carbon-related impedance component in porous electrodes, as resistive as the charge-transfer resistance but at an even lower frequency.

Continue ReadingContact resistance: important in battery electrodes!
Read more about the article Why conventional GITT fails; how to fix it

Why conventional GITT fails; how to fix it

  • Post category:News

We explain why conventional GITT (Galvanostatic Intermittent Titration Technique) measurements do not work as intended.

Continue ReadingWhy conventional GITT fails; how to fix it
Read more about the article Fictitious phase separation paper published in Nature Materials

Fictitious phase separation paper published in Nature Materials

  • Post category:News

Our work unraveling the strange phase separation in single-phase lithium-intercalating layered oxides appears in Nature Materials. We also reveal that most battery particles are reaction-limited rather than diffusion-limited.

Continue ReadingFictitious phase separation paper published in Nature Materials

About Me

About Me

Stephen Dongmin Kang

Materials Scientist
Electron and Ion Transport
Non-equilibrium Thermodynamics
Senior Staff Scientist@Stanford

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Better Understanding, Lasting Impact, Scientific Progress.