Battery

Why do we begin with half cell measuring before full cell testing when investigating cathode or anode battery materials?

I do not understand the point of half cell measuring of cathode or anode materials before testing them in a full cell. Any explanations or suggested literature?

30 December 2013 9,989 4 View

Battery life for automated prosthesis?

Okay, I am working on EMG controlled prosthetic arm with 5 active DoF and 5 Driven DOF. Designing an elbow, a wrist and 3 active fingers. All is done but I need help in choosing an appropriate...

11 December 2013 6,912 7 View

Which simulation methods can be used for lithium Ion batteries?

To analyse different characteristics (temperature, charge/discharge voltage, internal resistance, current, etc.) of Lithium ion batteries which simulation methods are best?

11 December 2013 9,811 19 View

Why do we begin with half cell measuring before full cell testing when investigating cathode or anode battery materials?

I do not understand the point of half cell measuring of cathode or anode materials before testing them in a full cell. Any explanations or suggested literature?

11 December 2013 5,492 6 View

Thermite-based battery/fuel cell?

I have been thinking about a high-temperature thermite-reaction battery/fuel cell for some time. This attached papers appears to confirm that it's possible to mediate a thermite reaction via...

10 November 2013 8,996 3 View

How is the battery bank backup period affect by the charging and discharging current?

For example C10, C5, C20 batteries backup period are affected by the rate of charging and discharging current. A battery have a charging/ discharging current of 10 Ampere according to the...

10 November 2013 2,450 2 View

What are the challenges and opportunities for aluminum-air batteries?

I am interested to work on Aluminium-Air batteries for energy storage, portable, and defense applications. Please provide your thoughts/views in terms of challenges and opportunities of Al-air...

10 November 2013 8,002 4 View

Why DC battery is not used in place of capacitor?

As battery can maintain voltage level more accurately than capacitor.

10 November 2013 765 3 View

Can someone suggest a battery chemistry which has equilibrium concentrations very sensitive to temperature?

See this google drawing I made to illustrate a hypothetical battery system where the equilibrium point (where battery is considered "dead") changes with temperature....

10 November 2013 5,728 1 View

What is the effect of step charging and discharging current of lead acid battery?

Is it true that frequent step change in load current and charging the battery with step input current affects the battery life (lead acid battery life)? If yes, in what ways? And are there any...

10 November 2013 1,467 7 View

Why is the discharge curve longer than the charge curve for a Lithium air battery?

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10 November 2013 4,819 3 View

Can anyone give a suggestion about how to measure a surface potential/electrode potential of any given material from zeta potential analyser?

My intention is to understand the surface energy of my electrode material based on the electrode potential/surface potential value.

10 November 2013 8,758 3 View

What is the first step to start working on Aqueous Lithium batteries?

I am looking for some references which are needed to understand basic and fundamental aqueous lithium ion batteries. Reading papers about case studies are too confusion for me at this point, I guess.

09 October 2013 5,953 2 View

In a typical commercial Li-ion battery, what are the weight percentages for the electrolyte, anode, and cathode?

I know the bulk of the material is in the anode and cathode and that the electrolyte only makes up a small fraction of the total weight. I'm interested in a quantification of this.

08 September 2013 4,218 6 View

What is spin pumping?

Is there anyone that could explain or show something about it in detail?

08 September 2013 4,740 2 View

Would the weight of a completely discharged battery be different from a completely charged battery?

Assuming a suitable weighing device.Listing out reasons would be helpful.

06 July 2013 5,204 1 View

How can I choose the suitable acidic and base medium for the preparation of cathode material?

I would like to prepare cathode material for lithium ion batteries. But in the process of slow evaporation it will precipitate. I need a viscous clear solution and can anyone clarify my doubt for...

04 May 2013 9,976 4 View

How LTE network settings affect the UE’s battery life ?

How can we enhance a LTE uplink network so that the UE's battery consumption will not be too affected?

02 March 2013 4,619 2 View

BMS testing procedure/methods

Can anyone please explain the battery management system testing procedures or testing methods? Which are the procedures/methods that are practically done after getting the BMS.

01 February 2013 9,594 11 View

No title

31 December 1969 9,188 0 View

Frequency decoupling control method for DC-Microgrid systems

Dear researchers, my question is about the control of isolated DC-Microgrid systems adopting PV-HESS resources. So far, i target to use frequency decoupling control strategy to allow the battery...

31 December 1969 625 4 View

Which one is better for storing energy: Fuels synthesized from CO2 or Hydrogen?

Based on educated guesses, which one of the following promises a better future for storing energy for grid scale, automobiles etc as opposed to batteries: 1) Fuels synthesized form CO2 2) Hydrogen...

31 December 1969 914 3 View

Is it possible to open the Vent in Lithium Ion Battery using short circuit?

I would like to know how can I vent the cells (under laboratory condition) using short circuit. My question is that under short circuit condition, the CID is triggered and the current is...

31 December 1969 5,359 3 View

What are the sources for vehicles that could replace petroleum engine other than batteries and hydrogen?

EV are becoming superior day by day, but most of the vehicles are not sustainable enough to meet the needs and performance. Hydrogen vehicles on the other hand are on the much costlier side. What...

31 December 1969 6,073 2 View