Portfólio de Tecnologias – Inova Unicamp

Incorporating graphite pigment catalyst for producing gas diffusion electrode, involves selecting catalysts from copper, zinc, copper oxide or zinc oxide groups

Incorporating graphite pigment catalyst for producing gas diffusion electrode, involves selecting catalysts from copper, zinc, copper oxide or zinc oxide groups NOVELTY - Graphite pigment catalyst incorporation involves selecting catalysts from copper, zinc, copper oxide or zinc oxide groups. The catalysts are added to graphite dye via thermal decomposition of metal salt with methanol. The [...]

Process of modification of metallic surfaces for plasma of nitrogen and heavy hydrogen

Process of modification of metallic surfaces for plasma of nitrogen and heavy hydrogen NOVELTY - The metal surfaces modification by deuterium and nitrogen plasma has plasma pulsing to increase the hardness and corrosion, fatigue and wear resistance of the surface. The plasma is proportioned as a function of the residual oxygen in the equipment used. [...]

ELECTROCHEMICAL METHOD OF HYDROGEN PEROXIDE SYNTHESIS IN ELECTRODES OF GASEOUS DIFFUSION

ELECTROCHEMICAL METHOD OF HYDROGEN PEROXIDE SYNTHESIS IN ELECTRODES OF GASEOUS DIFFUSION NOVELTY - The gaseous diffusion electrodes (GDE) based electrochemical synthesis of hydrogen peroxide has electrolytic reduction of gaseous oxygen molecules to hydrogen peroxide, via the GDE cathode irrespective of the anode material. Organic catalysts undergoing regeneration in the presence of protons formed simultaneously can [...]

METHOD OF PREPARATION AND INSTALLATION OF DIAMOND ELECTRODES IN ELECTROCHEMICAL REACTORS

METHOD OF PREPARATION AND INSTALLATION OF DIAMOND ELECTRODES IN ELECTROCHEMICAL REACTORS NOVELTY - The installation of diamond electrodes in electrochemical reactors has bonding of a stainless steel sheet to a silicon sheet coated with diamond on its other surface. The electrode is pressed against a molding, with deformation of a gasket on a support. USE [...]

METHOD OF PRODUCTION OF ELECTRODES OF GASEOUS DIFFUSION FOR HYDROGEN THE ELECTROCHEMICAL PEROXIDE SYNTHESIS

METHOD OF PRODUCTION OF ELECTRODES OF GASEOUS DIFFUSION FOR HYDROGEN THE ELECTROCHEMICAL PEROXIDE SYNTHESIS NOVELTY - The hydrogen peroxide synthesis gaseous diffusion electrodes production has synthesis in aqueous medium at different pH values with or without modification of the electrodes by redox catalysts. A graphite pigments hydrophilic and a polymeric agglomerating hydrophobic phase on a [...]

Method for synthesis of hydrogen peroxide in medium with different values of pH, involves passing electric current or electric potential in aqueous electrolyte between cathode and anode

Method for synthesis of hydrogen peroxide in medium with different values of pH, involves passing electric current or electric potential in aqueous electrolyte between cathode and anode NOVELTY - The hydrogen peroxide synthesis method involves passing electric current or electric potential in an aqueous electrolyte, between cathode and anode, to promote the reduction reaction of [...]

Cylindrical electrochemical cell with doped coaxial diamond anode produced by deposition of diamond-bearing

Cylindrical electrochemical cell with doped coaxial diamond anode produced by deposition of diamond-bearing NOVELTY - A cylindrical electrochemical cell comprises a hollow cylindrical cathode (11), and a cylindrical anode (9) which is arranged coaxially within the cathode. The anode includes a mechanically strong cylindrical substrate, which is produced by chemical vapor deposition by depositing diamond-bearing [...]

PROCESS OF MANUFACTURE OF DOPED DIAMOND ELECTRODES WITH BORON, DESTINED THE ELECTROCHEMICAL ONE, WHERE THE

PROCESS OF MANUFACTURE OF DOPED DIAMOND ELECTRODES WITH BORON, DESTINED THE ELECTROCHEMICAL ONE, WHERE THE NOVELTY - The fabrication of electrochemistry doped diamond electrodes has ethanol vapor high temperature decomposition on metal pins. The electrodes are far m ore inert than conventional electrodes used e.g. in electro-synthesis and in electric oxidation. USE - In electrochemistry. [...]

Method for producing polymer biomaterials using an infra-red laser

Method for producing polymer biomaterials using an infra-red laser NOVELTY - The polymer biomaterials production involves performing acquisition of medical data and manufacturing physical model in a three dimensional geometry. A substrate is prepared, machined and then coated. The coating process is performed by adding reagents, where deposition, polymerization and reticulation processes are performed for [...]

Electrolytic Method for nanocristalino nickel attainment

Electrolytic Method for nanocristalino nickel attainment NOVELTY - The electrolytic production of nanocrystalline nickel has pulsed current with variation in the parameters of the current, the pH, the tempreature and the agitation of the solution being processed. No organic additives are employed in the high-purity manufacture of miniaturized electric and electronic component material. USE - [...]

Rhodium recuperation and purification after separation from other metals comprises dissolution in molten salt and hydrogen peroxide treatment, for rhodium films deposition

Rhodium recuperation and purification after separation from other metals comprises dissolution in molten salt and hydrogen peroxide treatment, for rhodium films deposition NOVELTY - The rhodium recuperation and purification after separation from other metals has dissolution in molten salt for precipitation of contaminating metals and purification of the electrolytic rhodium solutions. Treatment with hydrogen peroxide [...]

System for depositing tubular or conical diamantiferous films

System for depositing tubular or conical diamantiferous films NOVELTY - Apparatus comprises an electric power source (1), a temperature gauge (2), a valve (3), an upper flange sealing chamber (4), a pressure gauge (6), a lower flange sealing chamber (7) and a suction pump gas (8). USE - Apparatus for hot-filament chemical vapor deposition (HFCVD) [...]