Keys to better batteries are found in chemistry and physics, as well as mechanical and electrical engineering.
The battery technology and cooling systems needed for electric aircraft to lift people and cargo are getting closer to reality, but they're still very different from electric cars and trucks.
Is it too much to dream of batteries that are part of the structure of an item, helping to shape the form of a smartphone, car or building while also powering its functions?
Paper-based devices with foldable, biodegradable batteries provide a new way to reduce electronic waste. But how would these new gadgets work?
High energy, high power and endless life cycles: not all batteries are created equal.
We need to think about the raw materials of batteries -- where they come from and their environmental cost.
Batteries that can self-sustain are needed for long-term animal tracking as well as shipping and logistics.
Emerging industries, from energy storage to electric cars, will need longer lasting batteries. Watching batteries in action will help us build them.