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Ace > Battery Technology > Flashcards

Battery Technology Flashcards

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1
Q

What is a battery?

A

A device that stores chemical energy and converts it into electrical energy.

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2
Q

True or False: Batteries are commonly used in electronic devices to provide power.

A

True

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3
Q

What are the two main types of batteries?

A

Primary (non-rechargeable) and secondary (rechargeable) batteries.

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4
Q

Fill in the blank: Lithium-ion batteries are known for their high ________ density.

A

energy

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5
Q

What is the most common type of battery used in smartphones and laptops?

A

Lithium-ion battery

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6
Q

Which type of battery has a higher energy density: Lithium-ion or Lead-acid?

A

Lithium-ion

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7
Q

What is the main disadvantage of lead-acid batteries?

A

They are heavy and have low energy density.

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8
Q

True or False: Nickel-cadmium batteries are known for their memory effect.

A

True

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9
Q

What is the main environmental concern associated with nickel-cadmium batteries?

A

Cadmium is a toxic heavy metal that can pollute the environment.

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10
Q

What type of battery is commonly used in electric vehicles?

A

Lithium-ion battery

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11
Q

What is the benefit of using nickel-metal hydride batteries over nickel-cadmium batteries?

A

Nickel-metal hydride batteries are less toxic and have higher energy density.

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12
Q

True or False: Alkaline batteries are rechargeable.

A

False

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13
Q

What is the main advantage of lithium polymer batteries?

A

They can be manufactured in various shapes and sizes.

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14
Q

Fill in the blank: Flow batteries store energy in ________ solutions.

A

liquid

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15
Q

What is the primary application of flow batteries?

A

Grid energy storage

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16
Q

True or False: Fuel cells are a type of battery that generate electricity through a chemical reaction.

A

True

17
Q

What is the main advantage of fuel cells over traditional batteries?

A

Fuel cells can operate continuously as long as they are supplied with fuel.

18
Q

What is the electrolyte used in solid-state batteries?

A

Solid electrolyte

19
Q

True or False: Solid-state batteries are known for their high energy density and safety.

A

True

20
Q

What is the main challenge in commercializing solid-state batteries?

A

High manufacturing costs

21
Q

Fill in the blank: Redox flow batteries use ________ to store energy.

A

electrolyte solutions

22
Q

What is the main advantage of redox flow batteries for grid-scale energy storage?

A

Scalability and flexibility

23
Q

True or False: Sodium-ion batteries are a potential low-cost alternative to lithium-ion batteries.

A

True

24
Q

What is the main challenge in the commercialization of sodium-ion batteries?

A

Lower energy density compared to lithium-ion batteries.

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