Lee Min Kee

7 Questions 9 Answers 0 Followers

Questions related from Lee Min Kee

What is the current research trend of inorganic or chemical blowing agent?

Hi. i'm working on korea. I have two question. Q1) I know that present inorganic blowing agents are kind of NaHCO3, Citric acid or mixtures of them. But when I search paper, I can not...

03 August 2020 1,122 2 View

How do you determine the size of the andoe and cathode in manufacturing a coin cell?

Hi. I'm a student studying Li-S battery. I'm trying to use a 2032 coin-cell How much diameter should i consider when punching a cathode slurry? I wonder if it should be smaller or larger than...

21 January 2019 2,202 3 View

Why does mass continue to decrease during TGA analysis??

Hi. I'm a student studying carbon nanoparticles. When i do TGA analysis of carbon from room temperature to 800'C under nitrogen, The data showed an almost constant mass up to 500'C, but...

10 January 2019 6,180 3 View

Can pyrolysis of Teflon produce F-doped carbon?

Hi I am studying about porous carbon materials for using Li-S battery. I'm using teflon to remove silica from porous carbon & SiO2 particles. I used to teflon instead of NaOH when etching...

03 January 2019 9,664 6 View

Why does mass continue to decrease during TGA analysis??

Hi. I'm a student studying carbon nanoparticles. When i do TGA analysis of carbon from room temperature to 800'C under nitrogen, The data showed an almost constant mass up to 500'C, but...

01 January 2019 3,491 3 View

Is there a way to effectively impregnate sulfur into carbon for use as a lithium-sulfur battery?

Hi. I'm studying porous carbon materials used in cathode Li-S battery. The TGA results for the samples with a mixture of S and C at a 155 °C , 10h, nitrogen gas and 300 °C , 2h nitrogen gas were...

01 January 2019 4,604 0 View

Can pyrolysis of Teflon produce F-doped carbon?

Hi I am studying about porous carbon materials for using Li-S battery. I'm using teflon to remove silica from porous carbon & SiO2 particles. I used to teflon instead of NaOH when etching...

01 January 2019 2,302 6 View