Question

Scientists of this country developed the first all-solid-state battery cells recently.
A) The USA
B) Germany
C) China
D) India

Answer 1

Answer: The USA

Explanation: A team of engineers at the University of Texas at Austin have developed the first all-solid-state battery cells, which could lead to safer, faster-charging and longer-lasting rechargeable batteries. These can be used for a number of applications, from mobile devices to electric cars and stationary energy storage.