Interesting Engineering on MSN

Rust anode lithium-ion battery boosts storage, hits full capacity after 300 cycles

Scientists have built a new a lithium-ion (Li-ion) battery anode that incorporates iron oxide, ...
Tech Xplore on MSN

Batteries from rust? Carbon spheres filled with iron oxide deliver high storage capacity

Conventional lithium-ion batteries contain problematic substances such as nickel and cobalt, and the solvents used to coat ...