Graphitic Ore Electrode for Scalable Graphene Production
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Solution Overview
Problem
Current methods for producing graphene require high-purity graphite feedstocks and involve costly, time-consuming processes that are not scalable for commercial production, often resulting in flawed or defective graphene sheets and toxic by-products.
Innovation Solution
A mining method that extracts graphitic ore using non-explosive techniques such as cutting, sawing, or slicing, which is then used directly as an electrode in an electrolytic process without significant processing, allowing for the production of micro-nano graphite with unaltered properties and high aspect ratio, thereby reducing the need for extensive purification and comminution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional mining and processing methods are used to produce high-purity graphite feedstock, then the quality of graphene produced is improved, but the production cost and time increase significantly
Solution Approach 1:
The patent uses raw, low-cost graphite ore directly as the electrode material in electrolytic graphene production, eliminating the need for expensive purification and processing steps. The graphite ore is used in its natural state, accepting minor imperfections in exchange for dramatically reduced production costs and time
Solution Approach 2:
The patent extracts only the essential function of graphite (as an electrode material for electrolytic graphene production) while eliminating all unnecessary processing steps. By taking out the purification and comminution steps, the process achieves both cost reduction and time savings while maintaining sufficient graphene quality
2Manufacturing precision
If extensive purification and comminution processes are applied to graphite ore, then the purity of graphite feedstock is improved, but the natural edge morphology and high surface area of graphite are lost
Solution Approach 1:
The patent accepts the graphite ore in its natural, unprocessed state with all its original morphological features intact. By using cheap, raw material directly, the process preserves the natural edge morphology and high surface area that would be destroyed by extensive processing
Solution Approach 2:
The patent changes the purity parameter requirement from 'high purity' to 'sufficient purity', recognizing that electrolytic graphene production does not require extremely pure graphite feedstock. This parameter change allows the use of raw ore that retains its natural shape and surface area characteristics
3Reliability
If current electrolytic methods use highly processed graphitic feedstock, then the electrolytic process efficiency is improved, but the scalability for commercial production is limited
Solution Approach 1:
The patent uses abundant, cheap raw graphite ore directly as electrode material, eliminating the bottleneck of expensive, time-consuming feedstock preparation. This enables commercial-scale production where large quantities of electrodes can be produced and replaced economically
Solution Approach 2:
The patent performs preliminary mining and basic electrode formation actions in advance, but eliminates the time-consuming purification and processing steps. The graphite ore is prepared into electrode form with minimal processing, allowing rapid deployment and scaling of production capacity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This method enables the production of graphene and micro-nano graphite on a commercial scale with reduced capital and operational expenditures, maintaining the natural edge morphology and high surface area of the graphite ore, thus overcoming the limitations of existing processes.
Implementation Method 1
the production of graphene by electrolytic means
Implementation Method 2
the production of graphitic material through exfoliation
Data Source
Figure 1
AI summary
A mining method (10) by which graphitic ore is produced in a form that constitutes an appropriate feedstock for an electrolytic process (20) for the production of graphitic materials through exfoliation. The graphitic ore feedstock may be utilised directly as an electrode in the electrolytic process (20). Also disclosed is a graphitic feedstock for an electrolytic process for the production of graphitic material through exfoliation of that feedstock, wherein the feedstock is less than about 99% graphite (w/w) and of a sufficiently cohesive and conductive nature as to allow electrochemical exfoliation therethroughout without fracturing that might result in collapse of a significant portion of the feedstock or that may result in a loss of conductivity throughout a significant portion of the feedstock.