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From Waste Plastics to Carbon Nanotube Audio Cables
C, Volume: 8, Issue: 1, Start page: 9
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Carbon nanotubes (CNTs) have long been at the forefront of materials research, with applications ranging from composites for increased tensile strength in construction and sports equipment to transistor switches and solar cell electrodes in energy applications. There remains untapped potential still...
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Carbon nanotubes (CNTs) have long been at the forefront of materials research, with applications ranging from composites for increased tensile strength in construction and sports equipment to transistor switches and solar cell electrodes in energy applications. There remains untapped potential still when it comes to energy and data transmission, with our group having previously demonstrated a working ethernet cable composed of CNT fibers. Material composition, electrical resistance, and electrical capacitance all play a strong role in the making of high-quality microphone and headphone cables, and the work herein describes the formation of a proof-of-concept CNT audio cable. Testing was done compared to commercial cables, with frequency response measurements performed for further objective testing. The results show performance is on par with commercial cables, and the CNTs being grown from waste plastics as a carbon source further adds to the value proposition, while also being environmentally friendly.
carbon, carbon nanotube, copper, electrical conductor, data transmission, audio cable, frequency response
College of Engineering
V.S.G. is funded through Salts Healthcare Ltd. A.O.W. is funded through Sêr Cymru II Fellowship by the Welsh Government and the European Regional Development Fund (ERDF). A.O.W. and T.Y. acknowledge funding from the Welsh Government Circular Economy Capital Fund FY 2020-21. The authors acknowledge access to the SEM provided by the Swansea University AIM Facility, funded in part by the EPSRC (EP/M028267/1), the European Regional Development Fund through the Welsh Government (80708), and the Welsh Government’s Sêr Cymru program.