Methods for forming activated carbon material for high energy density ultracapacitors

摘要

A method for producing an activated carbon material includes forming an aqueous mixture of a natural, non-lignocellulosic carbon precursor and an inorganic compound, heating the mixture in an inert or reducing atmosphere, cooling the heated mixture to form a first carbon material, and removing the inorganic compound to produce an activated carbon material. The activated carbon material is suitable to form improved carbon-based electrodes for use in high energy density devices.

主权项

1. A method for producing an activated carbon material comprising:
forming an aqueous mixture consisting essentially of a natural, non-lignocellulosic carbon precursor selected from the group consisting of wheat flour, corn flour, rice flour and potato flour, and an inorganic compound; heating the aqueous mixture in an inert or reducing atmosphere to form a first carbon material; and removing the inorganic compound from the first carbon material to produce a powdered activated carbon material.