Rather than importing graphite mined from China or Mexico, rice hull ash could provide a higher quality domestic material for making battery electrodes. The process is also more sustainable than ...

Rice hull ash hard carbon exceeds both, with a storage capacity of more than 700 mAh—nearly double that of graphite. The nanoporous structure of the isolated hard carbon is thought to contribute ...

Researchers have found that rice hulls, a natural byproduct of the rice milling process, release a special form of carbon when burned. That carbon dramatically increases batteries' energy density ...

"A few years ago, people didn't care about this type of rice, and we usually threw it away along with the rice hulls, but times ... which could help feed a household of between eight and 10 ...