国家/地区 中国（3）
IPC部 F（3）
IPC大类 F26（3）
IPC小类 F26B（3）
IPC F26B025/00（2） F26B025/02（2） F26B025/04（2）
发明人 WANG W（3）
公开年 2022（3）
申请年 2022（2） 
专利权人

Vacuum drying device for graphene oxide powder, has semi-elliptical rubber elastic sleeve port and semi-elliptical cover inner TP are connected with each other through reset spring, where loading elastic material component is set in semi-EC.

WANG Z, WANG L, WANG Y, WANG W, ZHANG Y

Preparation of three-dimensionally printed high specific energy positive and negative electrode material used for lithium-ion battery, involves printing battery electrode precursor, immediately pre-freezing, and freeze-drying.

ZHAO Y, WANG W, WANG T

Drying device with stirring structure for graphene production, has placing barrel that is provided with rotating mechanism, and inner portion of feeding port that provided with returning mechanism.

WANG W