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

No title

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

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 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

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View