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January 11, 2019 |
Brian Wang |
In 2006, I made about 156 predictions. One of the predictions was that carbon nanotube fiber would be inexpensive and with over 50GPa tensile strength around 2014-2018. Relative to 2006, there is inexpensive carbon nanotubes. Macroscopic carbon nanotube bundles were …
22 Comments
November 23, 2018 |
Brian Wang |
NovaSolix’s carbon nanotube (CNT) antennas are small enough to match the nano-scale wavelengths of sunlight. Antennas can convert electromagnetic spectrum much more efficiently than photovoltaic (PV) cells. When perfected, NovaSolix antennas will capture over four times the energy of current …
12 Comments
November 17, 2018 |
Brian Wang |
Thin nanotube films effectively stop dendrites that grow naturally from unprotected lithium metal anodes in batteries. Over time, these tentacle-like dendrites can pierce the battery’s electrolyte core and reach the cathode, causing the battery to fail. That problem has mostly …
49 Comments
October 26, 2018 |
Brian Wang |
In the lab, China has small quantities of carbon nanotube bundles 20 times stronger than Kevlar. These are ultralong (several centimeters) carbon nanotube fibers have been made into stronger bundles. The tensile strength of CNTBs (Carbon nanotube bundles) is at …
7 Comments
October 24, 2018 |
Brian Wang |
NASA awarded a potential $8.1 million dollar contract to Nanocomp Technologies, now part of Huntsman, for the “continued improvement of manufacturing high-strength CNT yarn/tape for use in developing CNT composites with strength properties at least double that of carbon fiber …
18 Comments
September 9, 2018 |
Brian Wang |
In 1991, Sumio Iijima’s discovered multi-walled carbon nanotubes in the insoluble material of arc-burned graphite rods and Mintmire, Dunlap, and White’s independent prediction that if single-walled carbon nanotubes could be made, then they would exhibit remarkable conducting properties helped create …
25 Comments
September 9, 2018 |
Brian Wang |
Finally ultralong (several centimeter) carbon nanotube fibers have been made into stronger bundles. The tensile strength of CNTBs (Carbon nanotube bundles) is at least 9–45 times that of other materials. If a more rigorous engineering definition is used, the tensile …
