How to calculate Areal Capacitance?

I have calculated specific capacitance of 200 F g-1. Now I wish to calculate Areal Capacitance. What is the formula? Electrodes: working Glassy carbon electrode of 3mm diameter (0.0707...

05 June 2019 2,190 5 View

How porosity and surface area affect supercapacitor performance (and other electrochemical applications) ?

Usually, high surface area and porosity are reported to be the primary reasons for good electrochemical sensing and supercapacitor performance. Please explain what exactly happens with high...

05 June 2019 5,069 6 View

What are the parasitic reactions (between electrode and electrolyte), which affect coulombic efficiency of Supercapacitors?

Please give some details. Why it happens in particular for battery like electrodes?

05 June 2019 9,606 2 View

How to make composite using ultrasonication, when one of your constituents is Grphene? What should be the ratio of both participating materials?

Suppose, I want to make a composite of MOF and graphene. I wish to study the effect of relative content of participating constituents on the electrochemical properties. How to choose the ratio for...

05 June 2018 654 5 View

Expected Impact factor of Chemistryselect ?

New journal of Wiley-VCH

31 December 2017 8,199 51 View

How to differentiate soild-state thermolysis, calcination and annealing ?

Can solid state thermolysis and calcination be called same at any particular conditions ?

07 August 2017 3,927 1 View

How to determine linear range of a biosensor ?? Which is the easiest and best method ??

There are various methods to determine it. Can anyone show with example their suitable employed method ??

05 June 2017 4,755 1 View

Why in some cases Binder free electrode works well (stable ~95% after 1000 cycles) during continuius charging discharging of supercapacitor test ?

I am trying one coordination polymer as electrode material on glassy carbon electrode. It is showing good stability. What can be the reason?

05 June 2017 4,335 7 View

Among reduced graphene oxide (rGO) and nitrogen dooped reduced graphene oxide (NRGO), whose conductivity is more and why?

I have observed higher values of supercapacitance of NRGO than rGO, which has better dispersion than rGO. But what can be the possible reason of higher supercapacitor performance? Has it something...

02 March 2017 452 2 View

Which concentration of Nafion should be taken for glcuose sensors? Also how much smooth layer of it can be obtained on the glassy carbon electrode?

Generally, we use Nafion along with our nanomaterials to provide it sticky nature and anti-interference nature, but up to which extent it can be done?

02 March 2017 405 2 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

Is there any effect of different colours of light (white, red, yellow, blue etc.) on the rate of photosynthesis? If yes, why?

Light is inevitable for the process of photosynthesis reaction. Naturally sunlight plays the vital role for this process. Light may be of different colours like white, red, yellow, blue etc....

02 March 2021 7,890 2 View

Do anyone here can help us in the field of molecular docking?

We have synthesized various metal complexes with different environment around the metals. Now to see the application of synthesized complexes we need this study also. we are also interested in...

01 March 2021 1,899 2 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View

In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

27 February 2021 6,326 2 View

Which transition metal salt precursor is best for doping? Why?

I would like to synthesize a transition metal doped TiO2 via solgel method. Hence, I would like to know which metal salt precursor to choose among Chloride, Nitrate, and Sulphate. A clear...

27 February 2021 4,285 3 View

What software programs can directly simulate Additive Manufacturing Directed Energy Deposition (DED)?

I understand there are a lot of software programs that can simulate DED by going through specific modeling, simulation, and commands. For me, that was time consuming and results were not accurate....

24 February 2021 4,428 3 View

It is necessary to reflux the Schiff base and metal salts to obtain metal complex??

24 February 2021 9,166 3 View

How can I obtain time series data by country on night-time light (brightness) ?

Hi everyone, Please, how can I obtain time series data by country on night-time light (brightness) ? I've tried, but so far all I can find are maps. I am looking for numerical data, especially in...

24 February 2021 8,625 4 View