A new electrode material could help make lightweight, powerful rechargeable sodium batteries to replace lithium-ion batteries used in electronics and some electric vehicles. The material contains widely available iron, instead of the nickel and cobalt commonly used in these electrodes, and enables a similar energy density to electrodes in lithium batteries.
Sodium is an attractive candidate to replace lithium in batteries because it’s cheaper and widely available around the world. But building a sodium battery requires redesigning battery technology to accommodate the chemical reactivity and larger size of sodium atoms.
To read more, click here.