Back to results
US 12,018,377 B2Granted
Electroless plating of objects with carbon-based material
AssigneeGraphene Leaders Canada Inc.
InventorsMelissa Gail Faichuk, Leah Shawn Coumont
Life of this patent
Estimating the term…
Abstract
A metalizing bath for an electroless plating system includes a metal ion source, a reducing agent, insoluble particulate matter, and stabilizing components, wherein the stabilizing components comprise at least one anionic surfactant and at least one cationic surfactant.
Claims13
A metalizing bath for an electroless plating system, comprising:
- in solution, metal ions, a reducing agent, and stabilizing components;
- and
- graphene suspended in the solution;
- wherein:
- the graphene has an average particle thickness of 10 layers or less and a concentration of between 0.1% and 1% wt/vol.;
- the stabilizing components comprise at least one anionic surfactant and at least one cationic surfactant;
- a ratio of the at least one anionic surfactant to the at least one cationic surfactant and a concentration of the stabilizing components are selected to modify a surface charge of the graphene sufficient to achieve a stable dispersion of graphene within the solution and to permit a co-deposition of graphene within a metal coating;
- and
- a concentration of the stabilizing components is between 0.1 and 1,000 ppm.
6 more elements
A method of electroless plating, comprising the steps of:
- providing a metalizing bath comprising metal ions, a reducing agent, and stabilizing components in solution, and graphene suspended in the solution, wherein
- the graphene has an average particle thickness of 10 layers or less;
- the stabilizing components comprise at least one anionic surfactant and at least one cationic surfactant;
- and
- a concentration of the stabilizing components is between 0.1 and 1,000 ppm;
- selecting the concentration of the stabilizing components and a ratio of the at least one anionic surfactant to the at least one cationic surfactant such that a surface charge of the graphene is sufficiently modified to achieve a stable dispersion of graphene within the solution and to promote a co-deposition of graphene within a metal coating;
- and
- submerging a surface in the metalizing bath and causing the surface to be plated.
5 more elements
Dependencies are inferred from the claim text.