Introduction: As the climate problem becomes more and more serious,3D printingThe industry, like many other industries, continuously launches sustainable development plans to reduce carbon footprint and the use of synthetic polymers.
America
energy
Department (DOE) Office of Fossil Energy and Carbon Management (FECM) released on October 5, 2021
Funding
Announcement, with nearly 7 million U.S. dollars (approximately 45.06 million RMB) in funding to support seven research and development focused on the development of coal-based additive manufacturing materials and coal-derived graphite materials. This shows that the United States is trying to accelerate the goal of 100% renewable green energy by 2035 by making better use of coal waste products.
△ Coal from mines and coal wastes such as tailings and fly ash are all3D printingUse acceptable raw materials
Under the supervision of the National Energy Technology Laboratory (NETL) carbon ore processing program, these seven sustainable development projects aim to research and develop new technologies to better utilize coal waste products such as tailings and ash.These projects are dedicated to developing3D printingNew filaments or sustainable graphite-based materials for applications such as batteries and fuel cells.
△Advanced coal processing value chain
The seven selected projects are as follows:
Coal-enhanced PEEK filament production for industrial service additive manufacturing-Baker Hughes Energy Transition LLC
Using coal-derived graphene-reinforced polyether ether ketone (PEEK) filaments, a set of selected parts, including seals, gaskets, gaskets, and support rings, will be manufactured using PEEK and coal-reinforced PEEK as a benchmark and compare overall performance.
Fused deposition modeling for additive manufacturing of carbonized structures through waste-reinforced filaments-Ohio University
Development is available atFDMCarbonized filament used in printers, manufactured forarchitecture/Construction, tools and articles for the metal casting industry.Coal-based filaments have environmental, industrial and3D printingAdvantages include converting coal waste into FDM filaments with excellent performance and cost.
For high temperature plastics andceramicsCoal waste reinforced filament for composite additive manufacturing-SemplasticsEHC
Developed and tested for commercial use of two different coal wastes3D printingMachine filament material. The project will use the best filament formula to produce several exemplary products.
Laboratory-scale production of coal-derived graphene particle-bonded filaments-University of Delaware
Develop a laboratory-scale manufacturing process to manufacture for FDM 3D printingOf high carbon content filaments. The project will use graphene particles from U.S. coal waste as a raw material. The proposed technology will consolidate the United States’ leading position in the development and manufacturing of synthetic fibers.
Using carbon supply chain waste and by-products to manufacture graphite for energy storage applications-Ohio University
Use coal waste and by-products as raw materials for the production of battery-grade graphite materials. The project will compare the physical properties of coal-derived graphite with commercially available battery-grade graphite. Potential impacts include reducing the United States’ reliance on foreign sources of battery-grade graphite, while creating widespread paid jobs in economically depressed communities in the Appalachian region.
Molded graphite product synthesized from coal waste-Touchstone Research Laboratory
Use the hydrophobic-hydrophilic separation process developed by Virginia Tech to reduce mineral deposits in coal. Research and development will focus on purifying low-, medium-, and high-rank coals and the resulting waste coal streams to a sufficient level to make them suitable for raw materials for high-value synthetic graphite processes.
Advanced processing of coal and coal waste to produce graphite for fast-charging lithium-ion battery anodes-University of North Dakota Center for Energy and Environmental Research
To verify a method of manufacturing high-grade graphite from North Dakota lignite and lignite waste, and to manufacture and test a prototype of a fast-rechargeable lithium battery anode made from the produced graphite. The expected impact of the project includes providing economic growth for North Dakota’s coal and power plant communities by meeting the growing demand for lithium batteries.
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