国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC C22C001/10（3）
发明人
公开年 2021（3）
申请年 2020（2） 
专利权人

Economical aluminum substrate photovoltaic welding strip comprises aluminum core, outer copper tape and tin layer and outer wall of aluminum core sheathed with copper-clad tape outer wall sprayed with tin layer through spray drying device.

CUI Z, ZHAO Z

Preparation of graphene-copper composite material involves preparing copper-clad phase using e.g. graphene dispersion, hydrofluoric acid solution, sodium hydroxide and sodium citrate, mixing with copper powder, pressing, and sintering.

LI X, HUANG Z, HUANG S

Preparing graphene-reinforced alloy composite material comprises e.g. taking graphene oxide aqueous solution, preparing porous graphene colloid, melting the first part alloy to alloy solution, pouring to porous graphene colloid and crushing.

DU B, ZHU X, ZHU Y, LUO K