A joint team of Heilongjiang University, FU Honggang, and the Jinan Shengquan Group have found a procedure to prepare graphene from corn cob cellulose. The production line allows for an output of 100 t/y and will be further scaled-up. China produces 100 million tons of corn cobs per year, mostly in Shandong, Hebei aund Liaoning province.
China Bio news release, May 23, 2017
Chinese group produces graphene from corn stalks