Researchers developed a completely stretchy lithium-ion battery, including an electrolyte layer that can expand by 5000%, and it retains its charge storage capacity after nearly 70 cycles
Shapeshifting battery can stretch 5000%, retain charge after 70 cycles | Researchers used material used to make contact lenses to make the battery flexible.
New inverted perovskite solar cell boosts 25% efficiency, 98% stability
