Why Haven't We Built a Better Battery?

The video discusses the challenges of transitioning to renewable energy, focusing on the limitations of current battery technology. It explains the structure and function of lithium-ion batteries, highlighting the challenges in improving their energy density and stability. The video also explores ongoing research efforts to enhance battery performance and the importance of these advancements for future energy solutions.

What is a major challenge in using solar and wind power as primary energy sources?

• They produce too much energy.

• Their supply is inconsistent.

• They require a lot of space.

• They are too expensive to implement.

What is the primary advantage of lithium-ion batteries?

• They have a high energy density.

• They are the easiest to manufacture.

• They are the cheapest type of battery.

• They are the most environmentally friendly.

What material is commonly used for the anode in lithium-ion batteries?

• Nickel

• Graphite

• Silicon

• Cobalt

Why is silicon considered for use in anodes despite its drawbacks?

• It is more abundant than graphite.

• It is more stable than graphite.

• It can hold more lithium ions than graphite.

• It is cheaper than graphite.

What is a potential downside of using nickel in cathodes?

• It is too heavy.

• It is too expensive.

• It can react with other battery parts.

• It is not conductive enough.