What happened when Zn electrode is immersed in ZnSO4 solution?

02 March 2018 1,587 1 View

Is it possible to electrodeposit Nickel less than 20~50 nm?

Hello. I'm going to electrdodeposit Nickel (Ni) on a substrate in nanoscale thickness. I will use NiSO4, NiCl2, H3BO3 as electrolyte and constant current method in the two electrode system. Is it...

10 November 2017 2,742 2 View

What kind of galss fiber shoud I use in supercapacitor?

Hello, I'm going use glass fiber filters as separator in supercapacitor. The electrolytes are LiOH or LiCl aqueous solution. Can you recommend which kind of glass fiber should I use? There are...

10 November 2017 9,013 3 View

How to electrodesit Ni?

Hello. I'm going to electrodeposit Nicekl (Ni) on metal foil as working electrode. Pt electrode wil be used as counter electrode. I will choose constant current method to electrodeposit Ni. How...

10 November 2017 318 5 View

Why does the blank test is unstable?

Hello. I've set up three electrode system for supercapacitor. Before the test, I've performed blank test consiting of two Pt electrode (working and conunter), reference electrode (SCE) and 0.5 M...

10 November 2017 682 5 View

Do three and two electrdoe system in supercapacitor have differenc Specific capacitance (F/g) even with the same electrode?

Hello. I found that specific capacitance of three and two electrode in supercapcitor are different even with the same electrode. The specific capacitance of three electrode (Cs,3) is four times...

10 November 2017 4,097 0 View

Do three and two electrdoe system in supercapacitor have different Specific capacitance (F/g) even with the same electrode?

Hello. I found that specific capacitance of three and two electrode in supercapcitor are different even with the same electrode. The specific capacitance of three electrode (Cs,3) is four times...

10 November 2017 737 5 View

What is the counter electrode reaction when I electrodedeppoisit Nickel?

Hello! There is a two electrode system consisting of working (Nickel), conunter (Pt) and 1M Ni2SO4 aqeuous solutions. What is the counter electrode reaction while Ni is electrodeposited on Ni...

09 October 2017 8,432 5 View

How can I set up three electrodes system of ultrathin film as working electrode for supercapaciotor?

Hello I have ultrathin film (~ 100 nm) coated on copper foil. I want to test this electrode as supercapacitor in three electrode system. How can I set up this electrode as working electrode to...

09 October 2017 995 2 View

How can I calculate the coulombic efficiency and cycle decay in Lithium-Sulfur battery??

How can I calculate the coulombic efficiency and cycle decay in Lithium-Sulfur battery??

03 April 2017 6,758 1 View

How two melting peaks in DSC of polypropylene can be merged into one crystallization peak?

The figure shows DSC cooling (blue) and 2nd heating (green) curves (step: 10 K/min) for a commercial sample supplied as Atactic Polypropylene (APP). The heating curve illustrates two major...

03 March 2021 5,857 3 View

Sutter electrode holder leaking after applying positive pressure. How to fix?

I am using a Sutter electrode holder for my patch clamp experiments, but I'm having trouble keeping positive pressure inside my electrode due to a leak out of the back of the holder. I have added...

02 March 2021 5,829 1 View

What thickness need for ITO to use as conductive layer?

I want to do RF sputtering of ITO on glass substrate using magnetron sputtering. what thickness do i need to make it good conductive layer to use it for PSC. Moreover, whats about thickness of...

01 March 2021 395 3 View

Issues with Permeabilization during Flow Cytometry?

Hello Everyone. Currently I am working to characterize macrophages in the myocardium after ischemia-reperfusion injury in rats. Due to the low total cell number isolated from rat hearts I can...

01 March 2021 3,867 3 View

What do I do with DLS peaks that are from the buffer?

I'm looking at the aggregation of my protein sample using DLS. Unfortunately, my buffer (20mM HEPES) also results in a set of peaks. These are at approximately 1 and 1000 d.nm. The lowest peak...

01 March 2021 9,015 2 View

Why is my platinum counter electrode getting dirty during electrodeposition?

I am conducting anodic electrodeposition of MnO2 onto a stainless steel substrate, using a platinum strip as a counter electrode. This is done galvanostatically, with the current held between 5...

27 February 2021 1,829 3 View

What information can be had from raman at higher wavenumber?

i have recorded raman spectra of strontium oxide thin film. the spectra were recorded in the range 400 to 4000 cm-1. i have reference to peaks upto 1000cm-1. but i couldn't find literature for...

26 February 2021 2,499 1 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

How does charge on working electrode changes with rising potential?

During performing CV of a GCE or modified GCE, we rise the potential in the first half of the cycle and reduce it in reverse half. During the first half, what is the nature of charge on GCE or...

25 February 2021 7,994 3 View

How can I find a Raman spectrum wavenumber corresponding to what compound?

I have several Raman spectra with very distinct peaks at certain wavenumbers, such as 277, 359, 466, 583, 623, 686, and 795cm-1. How can I identify them to what compound(s)? The RRUFF and others...

24 February 2021 363 3 View