Cookie Policy

Our website uses cookies to understand content and feature usage to drive site improvements over time. To learn more, review our Terms of Use and Privacy Policy.

The world's biggest battery looks nothing like a battery

Key Ideas

As this video progresses, key ideas will be introduced to invoke discussion.

Key Ideas

Think about the following questions as you watch the video


  1. 01:33 The largest battery in the world consists of two lakes in Virginia. How do these lakes operate as a battery?
  2. 02:09 Using clean-energy sources for electricity presents several challenges. What is one challenge batteries can help us overcome?
  3. 02:43 What are some obstacles that make the two-lakes battery in Virginia and lithium-ion batteries ineffective options for consistently storing adequate amounts of electricity?
  4. 04:30 How is a skyscraper, molten salt, or a bacteria activated by saliva an example of a battery? What are the advantages and challenges of these weird, experimental batteries?