国家/地区 美国（3）
IPC部 C（3）
IPC大类 C01（3） B01（2） C08（2）
C10（2）
IPC小类 C01B（3）
IPC C01B003/02（3）
发明人
公开年 2021（3）
申请年 2021（3）
专利权人

Producing graphene or carbon fiber involves extracting coal sample from location, performing spectral analysis on coal sample to detect hydrogen to carbon ratio of coal sample, concentration of contaminant in coal sample.

TARGETT M, LINDEMANN G W, ATKINS C A

Device for preparing graphene and hydrogen by using joule heat conversion waste plastic, comprises gas pressure control unit fixed on pressure-resistant gas collecting pipeline, and air inlet pipeline fixed in airtight reaction cavity.

YAN Y, WANG Y

Catalyst used for ammonia dehydrogenation, comprises support comprising monocrystalline material having hexagonal structure, and catalyst metal supported on support.

JO Y S, CHA J Y, JEONG H S, KIM Y M, SOHN H T, YOON S P, NAM S W, LEE T J, YOON C W, HAN J H, YOUNGSEOKCHO, CHA J, JEONG H, SONHYUNTAE, YOON S, NAM S, TAIKJIN L, YUN C, HAN Z, YOON C, LI Z, SOHN H, JIN R, CAO Y