Pulse Electric Discharge in Liquid for Controlled Nanocarbon Dispersion
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Solution Overview
Problem
Existing nanomaterial production methods face challenges such as high manufacturing costs, polluting byproducts, difficulty in homogenizing nanomaterials with liquids, and limited control over particle size, particularly for nanodiamonds.
Innovation Solution
A system and method involving pulse electric discharge in liquid using a chamber with electrodes and a power supply to generate and disperse carbon nanoparticles, allowing for controlled particle size and homogeneous distribution, reducing costs and environmental impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If nanodiamonds are dispersed in liquid to convert from dry-powder form to suspension form, then the nanomaterials can be used in various applications, but the manufacturing cost increases significantly
Solution Approach 1:
The patent combines the generation and dispersion processes into a single integrated system. Carbon nanoparticles are generated directly in liquid medium through electric discharge, eliminating the separate dispersion step that requires expensive surfactants and extensive mixing equipment. This merging of processes significantly reduces manufacturing costs while maintaining application versatility.
Solution Approach 2:
The patent uses liquid medium as an intermediary that serves multiple functions simultaneously: it acts as the environment for nanoparticle generation, the dispersing agent, and the final product carrier. This eliminates the need for separate dispersants and reduces processing steps, thereby lowering costs while enabling various applications.
2Ease of operation
If nanodiamond particles are intermixed with liquid, then the nanomaterials can be utilized, but the particles tend to coagulate or conglomerate
Solution Approach 1:
The patent employs periodic electric discharge pulses to continuously break up forming aggregates and maintain particle separation. The pulsed nature of the discharge creates repeated shock waves and local plasma formations that prevent coagulation, ensuring stable dispersion without requiring extensive mechanical mixing or chemical stabilizers.
Solution Approach 2:
The electric discharge generates intense local vibrations and shock waves in the liquid medium that continuously agitate the nanoparticle suspension. This mechanical energy input prevents particles from settling or coagulating, maintaining homogeneous dispersion and improving usability while preserving dispersion stability.
3Manufacturing precision
If conventional methods are used to reduce nanodiamond particle size, then smaller particles can be achieved, but the processes are difficult or impractical for industrial use
Solution Approach 1:
The patent replaces conventional mechanical grinding and chemical etching methods with electric discharge plasma processing. This substitution enables precise particle size control through controlled energy input while maintaining industrial practicality, as the electric discharge process can be easily scaled and controlled in continuous manufacturing modes.
Solution Approach 2:
The patent controls particle size by adjusting electrical parameters (voltage, current, pulse duration, frequency) of the discharge process. This provides precise manufacturing control over particle dimensions while maintaining industrial practicality, as electrical parameters are easily adjustable and scalable for continuous production without complex mechanical or chemical processing steps.
Data Source
AI summary
A system for manufacturing a nanomaterial may include a first electrode; a second electrode spaced apart from the first electrode by a gap; and a chamber configured to enclose the first electrode, the second electrode, and a liquid. The system may also include a power supply configured to provide electrical energy to at least one of the first electrode and the second electrode; and a pump configured to cause the liquid to flow through the gap between the first electrode and the second electrode.