国家/地区 中国（5）
IPC部 C（5）
IPC大类 C01（5） C23（5）
IPC小类 C01B（5）
IPC C23C016/44（5）
发明人
公开年 2022（5）
申请年 2021（3）  2022（2） 
专利权人

Active material used in negative electrode for lithium secondary battery, comprises pores having preset size, and silicon-based compound having preset ratio of peak intensity in region having specific wavelength in Raman spectrum.

PARK G O, YOO S K, CHUNG J H, ZHENG Z, YU S, PARK G

Preparation method of graphene-coated metal particles used in industry, involves filtering metal particles with uniform particles filter and performing corona treatment on the surface of the metal particles, and then uniformly mixing corona treated metal particles surface with graphene powder.

LI A, LI J

Graphite crucible useful for manufacturing integrated circuit, comprises crucible body and crucible cover, supporting platform used for horizontally placing crucible cover, groove arranged between supporting platform and inner wall and crucible cover comprises air inlet hole and air outlet hole.

CHANG B, DENG K, JIN H, WANG Z

Graphene film preparation device useful for heating in pipe, comprises heating element, which is embedded in the quartz tube and forming heating cavity with quartz tube, the heating cavity is placed by substrate, and air supply assembly forming graphene film on the substrate.

QING F, LI X, HE Q

Three-dimensional thermally conductive wave-absorbing reinforced composite film, comprises graphene oxide/MXene films.

FANG X, HE X, ZHOU X, DOU L, YANG S, SUN A, CAO Y