国家/地区 中国（8）
IPC部 C（8）
IPC大类 C23（8）
IPC小类 C23C（8）
IPC C23C028/00（8）
发明人
公开年 2022（5） 2023（3）
申请年 2022（8）
专利权人

Plating layer structure for preparing chromium-free black conversion film, comprises metal substrate, and zinc-iron alloy plating layer sequentially from inside to outside on metal substrate.

LAI H, GUO C, LI X

Copper foil graphite sheet comprises copper foil, graphene layer continuously deposited on copper foil surface, and nickel-plated layer which is distributed in non-continuous island shape between copper foil and graphene.

CHEN S, CAO F, WANG B

Method for forming copper-oxidation graphene laminated composite material for use in radiating field and electronic industry, involves forming copper-oxidation graphene laminated composite material with high thermal conductivity.

ZHAO B, YANG Q, ZHOU L, CAO J, WANG W, LI F, ZHAN K

Method for preparing high temperature and anti-oxidant graphite product coating used in fuel cell comprises e.g. removing oil for polar plate, using polar board as working electrode, preparing polymer passivation layer on polar plate by cyclic voltammetry and passing in inert gas containing hydrogen.

WANG X, WANG L, JIA D

Conductive pre-coating useful for e.g. fuel cell titanium plate, comprises first metal particle layer distributed on surface of titanium substrate, in-situ oxidation layer covering surface of first metal particle layer, and second metal layer covering surface of in-situ oxidation layer.

LAN S, HU P, JIANG T, BI F, LI H

Layered pore structure graphene used in cutter, is prepared by performing esterification reaction to oxidized graphite solution and intercalation agent, adjusting pH value of solution, drying to obtain esterified graphene powder, and heating.

WANG M, LI J, LI K, BIAN M, ZHANG C, LIN Q, FU H, LIU Z

Multifunctional composite coating of steel structure surface comprises multi-element permeation substrate (zinc powder and aluminum powder), graphene anti-corrosion film (powdered graphene oxide and pyrrole) and fireproof outer layer (flame retardant) provided from inside to outside.

ZHANG H

Method for in-situ growth of graphene film on nickel-plated surface of copper metal substrate by laser useful in production, transportation involves pre-coating different solid carbon source on copper-nickel alloy coating, and realizing in-situ growth of graphene film by different types of laser.

CHEN M, QI M, QIANG H, ZHENG X, YE X