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

Can tannins that are dissolved in water interact with silicone oil?

Hello everyone, Does anybody know if phenolic plant extracts such as tannins dissolved in water can interact with silicone oil? (although silicone oil and water are immiscible).

03 February 2021 5,656 2 View

Aeration requirement in sludge buffer tank?

Hi, Normally the thickened sludge is kept in 'buffer tanks' before further dewatering. The buffer tanks should be aerated to avoid septic/anaerobic conditions. I am wondering how the air...

10 September 2020 395 3 View

How to define CCCV protocol by applied current and rest time?

Hello, I'm using COMSOL to model batteries (not the battery module) and I need to define the applied current as: charge (CCCV) + rest + discharge (CCCV) + rest I'm wondering if it is possible to...

19 August 2020 9,359 2 View

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I am trying to dehydroxylate glass powder. The powder is a mix of different types of glasses. Thus there are absolutely considerable amounts of hydroxyl units in the microstructure. I've checked...

10 October 2019 4,598 4 View

Is there any way to detect heavy metal conatminated areas using remote sensing? If so what data do you suggest to use?

Hello everyone. I am working on sustainable infrastructures and my goal is to select the most optimum site for infrastructures in my area of interest to gain maximum sustainability. To achieve my...

03 August 2019 1,081 8 View

The function of salt bridge in electrochemistry?

Hi We use a salt bridge in a Galvanic cell to maintain electron neutrality by transferring anions to the anode side and cations to the cathode side. The question is that why the existing SO4(2-)...

31 July 2019 4,224 7 View

What is the best approach to evaluate the hot corrosion resistance of the aluminide coatings?

What method do you propose to accurately assess the hot corrosion resistance of a NiAl coating applied on a nickel-based superalloy?

25 July 2019 7,188 3 View

Supporting researches on internal combustion engines despite the development of alternative vehicles. Is it necessary or not?

As alternative vehicles are rapidly expanding, it seems that some research institutes have decided to withdraw their supports from researches on internal combustion engines. Do you think this is...

04 May 2019 2,822 18 View

Reference exchange current density in Tafel equation for modeling of ORR in an alkaline fuel cell?

Hello, I'm going to model the cathode side (Pt/C) of an alkaline fuel cell. To use Tafel equation for obtaining Oxygen reduction reaction kinetic, I need to know the exchange current density...

28 April 2019 8,400 2 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Research on Supply Chain Management in Indian context?

Hi, I am planning to apply for the PhD degree in the Supply Chain Mgt. with specific area of "Cold Storage warehouses" during Pandemics and wars. Where lock downs and shut downs are frequent....

02 March 2021 285 2 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

Why the results when using wall thickness and when using shell conduction are different in ansys fluent?

Actually, I am running cfd simulation for a heat exchanger which has two fluids one hot and other one is cold fluid. there is a solid domain between them, which I removed and instead I have used...

01 March 2021 9,537 2 View

How much pressure we can reduce at the outlet to avoid Reverse Flow?

I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...

01 March 2021 6,985 3 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

Why do a weight decrease for thermal degradation in nitrogen gas condition?

Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...

26 February 2021 1,100 5 View

Can thermal cycler machines be problematic during PCR?

Hi, my question is about the heating of thermal cycler machines and I hope some of you had experienced a similar thing previously. There are two thermal cycler machines in the lab(BioRad) and for...

26 February 2021 4,777 4 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

How to increase solubility of Poly acrylic acid in Dioxane solvent?

I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...

25 February 2021 2,225 5 View