Rechargeable lithium-ion (Li-ion) batteries typically last hours or days between charging. However, with repeated use, ...

hybrid sodium-ion battery that charges rapidly and offers impressive energy density. This revolutionary prototype uses sodium (Na), a chemical element over 1000 times more abundant and cheaper ...

All of the common disposable alkaline batteries from AAA to D are single cells. The exception is the 9v battery which actually has six smaller cells inside of it. [Tom] took a look inside three ...

Lithium technology has ushered in a new era of batteries with exceptionally high energy density for a reasonably low cost.

New tech could power phones, pacemakers, and more—without ever needing a charge What if your phone never needed charging? Or ...

“Next generation battery: Highly efficient and stable C14 dye-sensitized betavoltaic cell” and other science presentations. The American Chemical Society (ACS) is a nonprofit organization ...

A small dye-sensitized betavoltaic cell has radiocarbon on both the cathode and anode, which increases its energy-conversion efficiency.