Battery Technology Flashcards
What is a battery?
A device that stores chemical energy and converts it into electrical energy.
True or False: Batteries are commonly used in electronic devices to provide power.
True
What are the two main types of batteries?
Primary (non-rechargeable) and secondary (rechargeable) batteries.
Fill in the blank: Lithium-ion batteries are known for their high ________ density.
energy
What is the most common type of battery used in smartphones and laptops?
Lithium-ion battery
Which type of battery has a higher energy density: Lithium-ion or Lead-acid?
Lithium-ion
What is the main disadvantage of lead-acid batteries?
They are heavy and have low energy density.
True or False: Nickel-cadmium batteries are known for their memory effect.
True
What is the main environmental concern associated with nickel-cadmium batteries?
Cadmium is a toxic heavy metal that can pollute the environment.
What type of battery is commonly used in electric vehicles?
Lithium-ion battery
What is the benefit of using nickel-metal hydride batteries over nickel-cadmium batteries?
Nickel-metal hydride batteries are less toxic and have higher energy density.
True or False: Alkaline batteries are rechargeable.
False
What is the main advantage of lithium polymer batteries?
They can be manufactured in various shapes and sizes.
Fill in the blank: Flow batteries store energy in ________ solutions.
liquid
What is the primary application of flow batteries?
Grid energy storage
True or False: Fuel cells are a type of battery that generate electricity through a chemical reaction.
True
What is the main advantage of fuel cells over traditional batteries?
Fuel cells can operate continuously as long as they are supplied with fuel.
What is the electrolyte used in solid-state batteries?
Solid electrolyte
True or False: Solid-state batteries are known for their high energy density and safety.
True
What is the main challenge in commercializing solid-state batteries?
High manufacturing costs
Fill in the blank: Redox flow batteries use ________ to store energy.
electrolyte solutions
What is the main advantage of redox flow batteries for grid-scale energy storage?
Scalability and flexibility
True or False: Sodium-ion batteries are a potential low-cost alternative to lithium-ion batteries.
True
What is the main challenge in the commercialization of sodium-ion batteries?
Lower energy density compared to lithium-ion batteries.
