国家/地区 中国（7）
IPC部 C（7）
IPC大类 C25（7）
IPC小类 C25D（7）
IPC C25D003/56（7）
发明人 YANG Y（2）
公开年 2022（6）
申请年 2022（7）
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

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 nickel-cerium-praseodymium-holmium hydrogen evolution material with high catalytic activity used for hydrogen production, involves pre-treating nickel foam to obtain nickel matrix, and carrying out electrodeposition using aqueous solution containing nickel source.

CUI X, CHEN X, YANG Y, LIU W

High-hardness self-lubricating nickel-tungsten-phosphorus composite electroplating solution used e.g. in medicine industry includes soluble nickel compound, soluble phosphorus compound and soluble tungsten compound, self-lubricating particles, and spherical ceramic micropowder.

HAO A, MA Y, ZHAO R, ZHANG L