Types of Battery Cells: Round and Flat Cells

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What is the rated voltage of mercury oxide coin cells?

3.5V

2.8V

1.55V

1.35V (correct)

Which type of cells have a constant internal resistance and voltage throughout the discharging process?

Lithium coin cells

Nickel Cadmium Batteries

Mercury oxide coin cells (correct)

Silver oxide coin cells

What is a characteristic feature of silver oxide coin cells?

Used for pacemakers

Rated voltage of 3.5V

Low energy density

High voltage depression (correct)

Which type of cell has high energy density, a high lifespan, and is used for pacemakers and cameras?

Lithium coin cells Signup and view all the answers

What type of batteries are used for pacemakers, cameras, and video cameras?

Lithium silver chromate cells Signup and view all the answers

Which type of batteries generate gases during the charging process?

Nickel Cadmium Batteries Signup and view all the answers

Why is the amount of current that can be tapped smaller when discharging a battery in a shorter time period with higher current?

Chemical conversion of the plates only takes place at the surface, not inside. Signup and view all the answers

What are the positive pole plates made of in Nickel-Cadmium batteries?

Fine punched nickel-plated steel tubes filled with nickel or graphite powder. Signup and view all the answers

What is the electrolyte used in Nickel-Cadmium batteries and how is it prepared?

Lime potash diluted with chemically pure water. Signup and view all the answers

How does the density of the electrolyte change during battery operation?

It remains nearly constant regardless of the charge condition. Signup and view all the answers

What is the composition of the filling in positive pole plates of Nickel-Cadmium batteries?

Nickel compound with finely spread nickel or graphite powder. Signup and view all the answers

Why do aircraft commonly use Nickel-Cadmium batteries?

Nickel-Cadmium batteries offer reliable performance in critical aircraft systems. Signup and view all the answers

What is the primary reason why primary cells cannot be reused?

They cannot be charged Signup and view all the answers

Which type of cell is known for its reversibility in electrochemical processes?

Nickel-cadmium cells Signup and view all the answers

In which type of batteries is the construction and basic chemical action discussed in the provided text?

Lead batteries Signup and view all the answers

What is the characteristic of secondary cells that allows them to be recharged and reused?

Their electrochemical processes are reversible Signup and view all the answers

Which type of battery must only be charged using DC, as mentioned in the text?

Lead batteries Signup and view all the answers

What factor determines the capacity of galvanic cells?

The amount of charge they can supply over a period Signup and view all the answers