国家/地区 中国（2）
IPC部 C（2）
IPC大类 C01（2） F25（2）
IPC小类 C01B（2）
IPC C01B032/194（2）
发明人
公开年
申请年
专利权人

Semiconductor refrigerating graphene comprises ceramic substrate, where upper part of ceramic substrate provided with graphene PN junction, where PN graphene comprises left and right adjacent S end and D end.

HAO Z, DAI D, CAI X, ZHOU Y, CAI J

Defrosting type heat pump outdoor machine has graphene film layer having strong hydrophobicity for delaying frosting time of evaporator fin surface, and reducing frosting quantity to inhibit effect of frosting.

QI Y, GUO Z