国家/地区 中国（50） 韩国（2） 世界知识产权组织（2）
IPC部 C（52）
IPC大类 C25（52） C23（17） B05（3）
H01（3） B82（2） C09（2）
C22（2）
IPC小类 C25D（52）
IPC C25D003/56（52）
发明人 GUO C（14） LAI H（14） LI X（7）
CHEN M（5） CHEN K（4） HE Y（4）
HUANG Y（4） YANG Y（4） CHEN J（3）
CHEN X（3） WANG L（3） ZHANG Q（3）
CHEN H（2） CHEN Y（2） CHEN Z（2）
公开年 2021（10） 2022（10） 2020（6） 2015（5） 2023（5） 2017（4） 2018（4） 2019（4） 2014（2） 2016（2）
申请年 2021（13）  2019（7）  2022（7）  2020（6）  2015（5）  2018（5）  2016（3）  2012（2）  2014（2） 
专利权人 GUANGZHOU UL.（12） UNIV SOUTHWE.（3） LBS GUANGZHO.（2） POSCO（2）
UNIV JIANGXI.（2）

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

Plating layer structure of zinc-nickel alloy plating layer without chromium passivation and hydroxyl graphene, has chromium-free passivation layer prepared by silane passivation agent.

LAI H, CHEN K, GUO C

Dull nickel-plated and graphene-enclosed plating structure for zinc alloy die-casting parts, has zinc-nickel alloy plating layer that is prepared from inside to outside sequentially zinc alloy base portion.

LAI H, CHEN K, GUO C

Preparing graphene reinforced metal/alloy composite material, involves orienting solution containing graphene and metal ions, keeping spreading state of graphene unchanged, and co-depositing graphene and metal or alloy on cathode plate.

HUANG Y, LANG H, PENG Y

Preparing battery steel case coated with metal layer on the surface, comprises e.g. grinding surface of low-carbon steel strip, performing electroplating in nickel-iron plating solution, surface magnetron sputtering of cobalt, and electroplating in nickel-iron-cobalt-phosphorus plating solution.

LI J, ZHOU H

Preparing nickel-oxidized graphene-cerium composite plating layer, comprises e.g. mixing uniformly to obtain plating solution, polishing sample, ultrasonically cleaning, alkali washing degreasing, hydrochloric acid activating and mechanical stirring to disperse plating solution.

HUANG Y, LIN Y, FU C

Preparing superhydrophilic nickel-based multilayer composite membrane material useful in field of photothermal seawater desalination or photothermal sewage purification, comprises e.g. dissolving nickel salt, complexing agent and surfactant in water, and soaking composite structure in salt solution.

MA F, ZENG Z, ZHU L

Gold palladium plating solution useful for electroplating copper wiree, comprises water-soluble gold salt, palladium salt, graphene quantum dot, ethylenediamine, complexing, conductive salt, buffer, stabilizer and solvent.

WANG F

High-corrosion-resistance composite electroplating electrolyte used in e.g. preparing coating comprises zinc salt, nickel salt, ammonium salt, potassium salt, complexing agent, buffer, corrosion-resistant component, and surfactant.

LI W, ZHU S, HAN G, WANG X, ZHAO Y, CAO L, YANG Y, ZHANG P, WANG Q

Preparation of cobalt-nickel base composite material used for hydrogen evolution electrode, involves placing base material into electroplating solution, and forming composite material on surface of base material at preset deposition current density.

WANG F, XIN S