Keviv Kaji

13 Questions 24 Answers 0 Followers

Questions related from Keviv Kaji

The abnormal charge/discharge profile of the coin cell, kindly share your thoughts?

Hello All, The battery charges rapidly to 7 V, after a sec of constant current charge. Though the upper voltage window of the battery is set to charge to 4.3 V only. After few seconds it...

06 June 2019 1,549 4 View

Will the thickness of the electrode disk affect the Open Circuit Voltage of a Battery?

Thank you for your time.

08 August 2017 430 6 View

Interpretation of Electrochemical Impedance Spectroscopy curve with two semi-circle of sodium Ion battery (Half-cell)?

Thank you for your time.

06 June 2017 5,044 4 View

How can i interpret the Electrochemical Impedance Spectroscopy result with two semi-circle of sodium Ion battery (Half-cell)?

Thank you for your time.

06 June 2017 6,919 6 View

Can we consider the battery cathode materials like LiCoO2, NaNi1/3Co1/3Mn1/3 O2 as a semiconductor materials ?

Is it logical to consider battery cathode materials like LiCoO2, NaNi1/3Co1/3Mn1/3 O2 as a semiconductor materials?

03 March 2017 3,451 2 View

The XRD database don't have the peaks for the compound that i synthesized, in such case how do i confirm my synthesized materials?

Researchers, I am trying to synthesize Na-ion cathode materials,there is no XRD database for that compound. In such case how can interpret my XRD peaks and how to make sure i synthesized correct...

03 March 2017 2,947 17 View

Battery Modeling with Electrical components. Finding the solution for state equations?

Kindly find the attached picture of a linear circuit. One differential equation from the circuit is d(Vc(t))/dt = Vc(t)/R2C + i(t)/C + w(t)/C where w(t) is uncertainty in the input that affects...

02 February 2017 666 4 View

XRD data Analysis using Rigaku PDXL Software?

I used solgel method to synthesize O3 type NaNi1/3Co1/3Mn1/3O2. I did XRD the achieved data from XRD is attached in file. I want to confirm that the material i synthesized is NaNi1/3Co1/3Mn1/3O2....

11 November 2016 1,642 9 View

I am having difficulty cleaning the Tube furnace glass?

Attached is the picture of Tube furnace. I tried cleaning with acetone but didn't go off. Any product you want to recommend for cleaning it? Thank you very much!

11 November 2016 9,840 7 View

Can somebody explain me about the relationship of Redox potential of a metal to the overall voltage of Electrode ?

In cathode electrode compound like Li[Ni0.5Mn1.5]O2, how the electrochemical potential of cathode differ with Redox potential of Ni and Mn? Is it directly proportional? Is there any theory behind...

11 November 2016 1,318 4 View

Could you suggest me a good book on material synthesis ?

I am an Electrical Engineer, don't have much background on Synthesis. I would really appreciate if you guys suggest me a good book for beginner on synthesis (Solid state, Co-precipitation, Sucrose...

10 October 2015 5,979 3 View

Advantage of double side coating of active material in current collectors?

I wonder what is the advantage of coating the active material on two sides of the current collectors? Kindly share your opinion. Thanks in advance.

09 September 2015 6,848 2 View

How changing the C-rate affects the battery Capacity?

I came to know with increasing C-rate the battery capacity will decrease, whereas for decreasing the C-rate the Capacity increases. I read that with higher C-rate the resistance will increase thus...

09 September 2015 743 5 View