国家/地区 美国（2）
IPC部 C（3）
IPC大类 C01（3） D01（3）
IPC小类 C01B（3）
IPC C01B032/05（3）
发明人
公开年 2021（3）
申请年 2020（3）
专利权人

Producing a carbon and sulfur complex having hierarchical structure for lithium-sulfur battery electrode comprises reducing carbon dioxide-containing gas in presence of reducing agent e.g. magnesium, mixing sulfur and heat-treating.

LEE J, PARKJAEHYUN, KIM H S

Preparing carbon fibers used in article involves converting coal to low-softening point carbon pitch, extruding the pitch into carbon fibers, adding graphite/graphene sheath to the carbon fibers and calcining the carbon fibers, in which the pitch has high oxygen content.

STILLER A H

Producing reduced graphene oxide from coal by thermally processing coal, oxidizing thermally processed coal to form coal oxide, and forming reduced graphene oxide comprising impurity atoms from coal oxide.

ATKINS C A, LINDEMANN G W, TARGETT M