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

MoS2 supearcapacitor is not unsatble in LiOH electrolyte?

Hello, I found LiOH electrolyte is used in MoS2 supercapacitor. But when I perfromed CV test with MoS2 electrode , using LiOH electrolyte, there were reaction peaks. MoS2 supearcapacitor is not...

10 November 2017 8,942 1 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

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

What is the suitable range of Sulfur content and Viscosity of Heavy fluid Oil that used in Kiln?

What is the disadvantages of high sulfur content to the ceramic burning process? and what is the effect of outranged viscosity?

24 February 2021 8,219 2 View

How to delaminate copper in water-based anodes?

Hello everyone, I'm looking for a way to delaminate copper current collector of water-based anodes in Li-ion batteries without damaging the graphite film. I tried different materials such as HNO3...

24 February 2021 3,785 3 View

How to prepare electrolyte of NaClO4 salt for Na-ion battery? Any problem with this salt?

Hello, I am trying to make anode for Na-ion batteries. I have no experience with preparation of the electrolyte for any batteries. NaClO4 salt are available and I am planning to use EC:PC as...

21 February 2021 8,132 1 View

Where can the fault diagnosis data set of lithium battery be found?

Most of the data sets on the network only contain good information about the voltage and internal resistance of lithium batteries. The data of faulty battery is missing. Who can help me, I will be...

21 February 2021 8,659 1 View

How to resolve Gaussian error termination " Error termination via Lnk1e in F:\G16W\l103.exe" for TS(QST3)?

When I run the job for TS(QST3) in gaseous phase, it was completed without any error. But when I add water in CPCM model it terminated with an error: Inconsistency: ModMin= 2 Eigenvalue=...

21 February 2021 3,198 2 View

Can I arbitrarily take a cycle number of 40 for the gene that was not expressed at all in qPCR results calculation?

I ran RT-qPCR for a control and a treated group and it appears that my gene of interest was not expressed at all in any of the subjects in the control group. So I was wondering if I could...

20 February 2021 6,243 10 View

Using the Pfaffl method: Is it possible that the ratio of the calibrator does not equal 1?

Hi all, I have a question regarding calculations using the Pfaffl method. I have 3 groups per experiment: 1 control group (calibrator) and 2 treatment groups with 6 to 7 biological repeats per...

19 February 2021 8,351 2 View

Not able to charge-discharge Li-ion coin cell at higher C rate ?

I am working on cathode material. I have made different Li-ion coin cell against Li metal using commercial available cathode materials such as LCO,LMO, LFP and NMC and also with the lab...

18 February 2021 1,450 3 View

No title

Hello. I ask for help - I need to get lithium tetraborate (soluble salt) from lithium carbonate and boric acid. In literature, everything seems to be simple - mix, ignite and - it's done. But it...

16 February 2021 9,523 2 View