The world's biggest battery looks nothing like a battery | TED-Ed

The video explores various types of batteries, starting with lithium-ion batteries and their limitations, such as environmental impact and inefficiency for large-scale energy storage. It introduces pumped hydro storage using lakes and discusses the need for grid-scale batteries to achieve net-zero emissions. Innovative solutions like skyscraper batteries, molten salt storage, and bio batteries are presented as potential future technologies to meet global energy demands sustainably.

What is the primary function of a battery as defined in the text?

How do the two lakes mentioned in the text store and release energy?

What challenges are associated with lithium-ion batteries according to the text?

Describe the innovative battery technology involving a skyscraper mentioned in the text.

What are bio-batteries and how do they function as described in the text?