During OCV test test of Li-ion batteries, how long is the pause time between charge and discharge cycles ?

Hi, At 1C-rate, I am doing OCV test on A123 li-ion cyclindrical cells to measure capacity & internal resistance. At the end of discharge cycle how long is the pause time after which I can...

07 August 2018 8,447 2 View

Why to rest battery for some hours before performing Electrochemical Impedance Spectroscpy ?

I am performing EIS (BRS Messtechnik, galvanostatic) on cyclindrical A123 26650 LFP full cell. After setting SOC it is required to wait for some hours before carrying out EIS. I know it is to...

05 June 2018 8,968 0 View

Where to find cheap test stand for Impedance measurements of LFP 26650 full cells ?

Hi, I have 9 26650 LFP cells connected in series and impedance is measured one after the other using BRS EIS device. Currently I have soldered the batteries, but the EIS spectra is not a good...

04 May 2018 5,301 0 View

Automate Kramer Kronig fitting for batch processing ?

I have set of Electrochemical Impedance spectroscopy data of Lithium ion full cell (26650). Then I do Kramers-Kronig fitting using Lin tool of KIT. But this tool allows one cell after another...

03 April 2018 7,582 0 View

Matlab create a file with same name as the one scanned ?

Hi, file='Data.xlsx' M=xlsread(file) Now I want to create a text file of the same name as in the excel name fileID=fopen() Can anyone tell what command comes here ? like sprintf or something...

03 April 2018 6,212 6 View

Scilab read xlsx file ?

Hi, I have about 100 excel.xlsx file and wanted it to read with some Scilab xls or csv function. I could read this excel xlsx format. Also I don't want to use the import data format as I have...

03 April 2018 1,239 0 View

Matlab read csv files and separate columns which contains numeric + string ?

Hello, I have 100*10 matrix. I don't need the first 13 rows (they are strings). I need all data from 14th row. One columns (6) contains string which I don't need. Can anyone tell me how to read it...

03 April 2018 8,592 0 View

Function in Scilab similar to Matlab xlswrite ?

Hi, Similar to Matlab xlswrite(filename,A), what is the function name in Scilab to write on a new excel file ? I tried searching, but couldn't find out. There was only write_csv...

03 April 2018 5,395 2 View

Auto delete highly deviated value while taking the mean in Matlab ?

Hi, I have matrix 'x' (see pic) with 5 values. Out of those one value deviates from the rest. So when I take the mean, standard deviation and plot with errorbar in Matlab, the deviation seems to...

02 March 2018 271 3 View

Why lithium ion battey's Double layer capacitance decreases with decrease in temperature ?

I am using equivalent circuits to fit 26650 LFP's current pulse measurements. We know that as temperature increases, the resistance decreases because of the ion's mobility. But at the same time,...

02 March 2018 109 9 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

Which is the most efficient etching solution for nickel based alloys?

Which solution reveals the microstructure and features of nickel-based alloys?

02 March 2021 2,221 3 View

How to write a scientific report?

We are analysing scientific reports at University in great detail, so I wanted to find a scientific report about how to write a scientific report. Including detail such as what information to put...

02 March 2021 7,602 4 View

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 View

Do anyone here can help us in the field of molecular docking?

We have synthesized various metal complexes with different environment around the metals. Now to see the application of synthesized complexes we need this study also. we are also interested in...

01 March 2021 1,899 2 View

Energy minimization in LAMMPS using NVT ?

How do I do energy minimization in lammps with NVT ensemble ? I am using the following command and it does not seem to work. It stops at extremely high energy and gives me the error zero search...

01 March 2021 2,294 3 View

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01 March 2021 3,905 5 View

How to Balance Bench work with Reading and Writing?

I am a second-year grad student. I am finding it difficult finding time to read literature and write (things like qualifying exam, thesis, grants). I find myself so busy with bench work that I...

01 March 2021 3,325 4 View

Which reagent is best among 'Dimethylglyoxime" and "Dithiothreitol" for spectroscopic determination of Nickel ?

What I think is Dithiothreitol. As it is water-soluble and does not form a precipitate. But, the thing is it contains sulphur which is quite hazardous to aquatic animals.

01 March 2021 8,374 4 View