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...

05 June 2019 1,451 4 View

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

07 August 2017 358 6 View

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

Thank you for your time.

05 June 2017 4,973 4 View

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

05 June 2017 6,846 6 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?

02 March 2017 2,878 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...

01 February 2017 606 4 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...

10 November 2016 1,259 4 View

XRD data Analysis using Rigaku PDXL Software?

10 November 2016 1,457 9 View

I am having difficulty cleaning the Tube furnace glass?

10 November 2016 9,774 7 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...

09 October 2015 5,917 3 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

How Can I bring as much common elements in steel as possible to calculate stable phase(s) in OpenCalphad?

As I was tweaking step-by-step OpenCalphad6 Macros step1.ocm involving phase and thermal property calculation of a High-speed steel, I could not incorporate more than 6 elements in the steel...

01 March 2021 8,840 1 View

How can you bring two structures together to create an adhesive bond in LAMMPS?

I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....

01 March 2021 3,325 2 View

How to size battery banks?

I am designing a small grid connected solar PV power-plant. As the battery's capacity is specified in Ah and demand in kWh. What is the best way to size the battery bank? I have battery price in...

28 February 2021 1,638 3 View

How to model the battery pack in PSIM or PSCAD?

Hello, I have simulated a single battery cell using Thevenin equivalent circuit. For a battery pack, I have a large number of cells connected in series and parallel connections. Is there any way...

28 February 2021 2,116 1 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View