21 Questions 64 Answers 0 Followers
Questions related from Raam Kasinathan
I am setting up a new laboratory for Battery material development and I would like to know the best online supplier in Germany for Lab equipment like pipet etc, lab consumables like wipes,...
08 August 2018 6,344 5 View
We have a very old glove box from M.D.H. Ltd,Andover-Hants-England, Series no.035 and I would like to make it useable. But we dont have the manual and I could not even find it in internet. If any...
08 August 2018 5,712 1 View
Dear all, I would like to disassemble Cylindrical cells (LFP) in an Argon filled atmosphere to study the Cathode. I would like to know the procedure in steps to do it. I would also like to know...
08 August 2018 9,120 1 View
I would like to choose DC Fan for forced heat convection in order to maintain the system within its operating temperature range. The module will have the temperature difference up to 10-12 degree...
06 June 2018 3,244 6 View
I have used 8 LFP cells as two modules (4 each) and cycled it. But one of the cells in each module failed although I used a balancing circuit. When I dismantled the modules, I found that the...
05 May 2018 629 20 View
I would like to know how a BMS from a different Manufacturer can be tested? I want to make sure whether the BMS works as per our requirement and also ensure its operation as per the data...
05 May 2018 409 4 View
I would like to know when the constant power Charge/Discharge should be used and how can I interpret the results. How the voltage and current is adjusted at the beginning and end of the...
04 April 2018 1,212 4 View
We would like to buy a new Battery Test Station (Battery Cycler) for testing 150Ah LFP Batteries in Crate (0.1-2C). Apart from the Max Voltage and Current range of the test system, what else has...
04 April 2018 2,367 8 View
Hello Everyone, I would like to know what is Battery Size Factor? How it is related to Battery Testing and when it should be considered? Thanks in advance
04 April 2018 4,650 3 View
I am using polymeric binder of different molecular weight for silicon now. In the Oscillation amplitude sweep of slurries. I found a strange behavior. For lower M.wt. binder I got a yield point...
09 September 2017 6,042 3 View
Dear all, I have tried to calculate the diffusion coefficient using the warburg impedance data. I have tried to use the formula as in the attachment. I am not sure how to calculate the...
09 September 2017 1,312 5 View
In Distribution of Relaxation Time, how to differentiate whether the peak corresponds to a RC element or Warburg element?
09 September 2016 2,238 13 View
I have come across the term 'Kramer Kronig Residual test' while studying about impedance spectroscopy. For batteries, since the electrode acts as blocking electrode, will it be possible to...
08 August 2016 7,387 11 View
I have read in a literature that the mismatch of polarization resistance leads to cross contamination of WE impedance by CE impedance. The solution to this problem is to use low impedance CE such...
08 August 2016 8,081 5 View
I have started working on modification of test cell for lithium spinel cathode using Electrochemical impedance spectroscopy. I am an absolute beginner to this technique and it is very hard for me...
08 August 2016 9,072 5 View
unlike metal oxide layered and spinel oxide electrodes, why olivine structure does not show any oxygen decomposition behavior?
02 February 2016 10,049 5 View
I am using a pneumatic calendaring machine from a popular manufacturer. The unit of pressure is mentioned in N/mm rather than N/mm2. I assumed that the point of contact of the roller with the...
01 January 1970 8,452 4 View
I would like to know which emerging material has a huge potential to overtake the existing chemistries of Lithium Ion Batteries or which other technology can be an alternative for LIB. Thanks in...
01 January 1970 3,148 5 View
I have been using silicon alloy anode material. When I made impedance measurement using half cell at three different bias voltage 0.2,0.4,0.9V, I found that I had an inductive artifact in the low...
01 January 1970 1,425 2 View
For a full cell, sometimes people use two RC element two represent two charge transfer process of Anode and Cathode. Sometimes a single RC element is used to fit the curve ( as the time constant...
01 January 1970 6,773 3 View
I have made rate capability test on silicon anode. The cell was cycled in different C rates like 0.1C,0.5C,0.2C,1C,2C and3C respectively. then the cell was again cycled at 0.1C after 3C to check...
01 January 1970 7,269 16 View
