国家/地区 中国（3）
IPC部 B（3）
IPC大类 B22（3） H01（3） C22（2）
IPC小类 B22D（3）
IPC
发明人
公开年 2023（3）
申请年 2022（3）
专利权人

Corrosion resistant composite coating grid for lead-acid storage battery comprises tin, calcium, aluminum, graphene, alloy modifier, and lead.

CHEN S, HUANG D, LOU Q, GAO J, HUANG B

Normally-closed gallium nitride integrated device of large threshold voltage used in mobile phone, has sub-gate composed of gate layer connected through graphene film electrode to form series-parallel mixed double high frequency characteristics high electron mobility transistor integrated structure.

LUO M, CHENG T, WANG X, ZU Y, YU C

Preparing copper-graphene composite material involves utilizing mechanical alloying method to prepare copper and polymer powder to obtain copper-polymer powder, cold isostatic pressing copper polymer powder to get bar melting region to bar porous rod material.

LIANG J, ZHANG X, WANG D, LI X, ZHOU S, GUO G, BAO F