12 Questions 6 Answers 0 Followers
Questions related from Takeshi Shimizu
Dear everyone, It is explained from the phase change of the positive electrode that the plateau of the charge / discharge curve occurs, using the Gibbs phase rule (F = 2-P). However, the battery...
14 March 2021 5,977 0 View
Currently, I am conducting physical property research on the premise that the crystal structure of multivariable MOF (MTV-MOF) is the same. The paper states that MOF does not change its crystal...
06 March 2021 2,245 1 View
Dear everyone, When I was a student, my academic advisor taught me to collect MOFs by decantation instead of suction filtration. Why is the crystal structure of MOF broken by suction...
05 February 2021 4,655 3 View
When studying EXAFS and XPS, I often see that "X-rays bounce electrons from atoms". Where will the electrons that are blown off the atoms by X-rays eventually go? In the case of EXAFS, I think...
12 January 2021 1,781 3 View
Dear everyone I would like to perform the electrochemical impedance during the redox reaction of the positive electrode active material. I have three questions. 1. Why should the electrochemical...
11 January 2021 1,280 2 View
Dear everyone I would like to use EXAFS data to analyze how the positive electrode active material undergoes local structural changes during the redox reaction of the positive electrode active...
11 January 2021 2,175 3 View
Dear everyone I have a question about powder X-ray diffraction measurement with MOF. 1. The starting angle is very low, such as 5-35 °, and the high angle side is not very large. What is the...
11 January 2021 3,784 4 View
Dear everyone, Currently, I am studying changes in the surface physical characteristics of MOF, which is a mixture of terephthalic acid and 2-aminoterephthalic acid in an arbitrary ratio....
09 January 2021 5,953 2 View
Dear everyone In the interpretation of CV when an organic compound or MOF is used as the active material of the secondary battery, it is often seen in the paper that the redox peaks after the...
09 January 2021 5,570 1 View
Dear everyone, I have a question about the difference between the charge transfer resistance and activation energy obtained from the electrochemical impedance of the secondary battery. As...
24 December 2020 6,593 2 View
Dear everyone, I have a question about the difference in the initial voltage of a battery that uses lithium or graphite as the negative electrode. The voltage of a battery with lithium metal...
24 December 2020 4,179 1 View
Currently, we are researching the design of the positive electrode active material for secondary batteries. Therefore, we would like to evaluate the diffusion coefficient with GITT. However, I did...
24 December 2020 6,830 1 View
