Efi Dwi Indari

5 Questions 12 Answers 0 Followers

Questions related from Efi Dwi Indari

Capacity was net zero in the beginning of charge-discharge test?

Dear All, I performed a charge-discharge test on a half-cell battery. I was wondering because the capacity net zero at the beginning of the test. The Open circuit voltage shows the typical values...

22 May 2023 9,253 0 View

What should be kept constant in ball milling experiment when i want to reduce the amount of powder?

Dear all, I want to reduce the amount of powder, let's say, a half of the optimized one, to be proceeded further by ball-milling. The parameters that have been optimized are : - volume ratio of...

08 December 2022 9,843 7 View

Measured voltage goes beyond the electrochemical window and stopped during galvanostatic charge discharge test?

Dear all, I am currently facing problems during galvanostatic charge-discharge measurement of half cell of lithium batteries. Please kindly note that the charge-discharge process was started...

19 May 2022 8,432 5 View

Precise film thickness?

Dear all, I am wondering how is the precise way to determine the film thickness from the cross-section of SEM with a certain degree of surface roughness? Shall I determine the film thickness...

20 November 2020 5,857 3 View

How important is it to measure all core levels of an element?

Hi, I am wondering how one can determine core levels to be measured by means of XPS. For example I would like to investigate Zn core levels. I have checked this website...

13 December 2017 5,142 3 View