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Ramaco Resources acquires commercial development rights for coal-to-products process

Published by , Editorial Assistant
World Coal,

Following years of collaborative work, Ramaco Resources Inc. has formally acquired a patent from the US Department of Energy’s leading research institution, the National Energy Technology Laboratory, for the commercial development of a revolutionary coal-to-products technology.

The patented process uses coal as feedstock to help create vehicle batteries, construction and infrastructure materials, and a wide range of consumer products.

The process converts coal and coal-related mining waste into high-quality, affordable carbon nanosheets, also known as graphene. Carbon nanosheets are atomically thin pieces of carbon that can be used to improve the strength of composite materials like concrete, as well as in the performance of battery electrodes, such as those used in defence technologies and electric vehicles.

“These characteristics make carbon nanosheets a unique candidate for the batteries and concrete composites we use today,” said Christopher Matranga, an NETL researcher who developed the technology with colleagues Fan Shi and McMahan Gray.

Carbon nanosheets are of growing strategic importance to the national economy and defence. This month China announced restrictions on its export of graphite on national security grounds, a material to which carbon nanosheets serve as a lab-created alternative.

The NETL technology makes the large-scale production of carbon nanosheets in a simple one-reactor process with a high product yield. Using inexpensive domestic coal as the base manufacturing feedstock also makes the economics more attractive, as opposed to more expensive feedstocks such as petroleum. The new technology brings the manufacturing costs in line with other specialty carbon materials used to enhance building materials.

Additionally, it is conceivable that the coal-related waste housed in mine impoundments could also be used to make nanosheets, which offers additional opportunities to manufacture useful products from this waste.

“Using this novel carbon nanosheet technology, we will be able to pursue a variety of higher value commercial applications of coal,” added Randall Atkins, Ramaco’s Chairman and Chief Executive Officer. “This specific technology will help us focus on innovations for batteries applications, building and construction materials, and a wide range of electronic devices. We look forward to working with our partners at NETL on this and other exciting carbon products made from coal.”

NETL and Ramaco have been longstanding partners. In June 2018, NETL and Ramaco signed a cooperative research and development agreement to discover new uses for coal. NETL researchers have also collaborated with Ramaco to take advantage of coal-derived carbon nanosheets to improve the performance of cement composites.

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