Breakthrough In Battery Technology As Hemp Changes The Rules

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Hemp makes an unexpected comeback in the U.S. after the long ban on its cultivation has now been lifted.

Hemp batteries may revolutionise portable energy devices

Hemp and hemp seeds may soon transform the worlds economies for the better, as scientists learn about hemp’s ability to improve energy storage.

Are hemp batteries about to change the world?

According to, fibres from hemp may have just as much energy storage capacity as graphene, an atom-thick material that can be made into electrodes. Graphene has been the favourite choice for use in supercapacitors.

Supercapacitors have the ability to charge up in a matter of seconds, unlike traditional rechargeable batteries that can take hours. They also have a large capacity for energy storeage than traditional batteries.

As points out, the downside is that graphene is expensive to produce. So scientists are investigating how to replicate the properties graphene has, using hemp.

Mitlin’s group decided to see if they could make graphene-like carbons from hemp bast fibers. The fibers come from the inner bark of the plant and often are discarded from Canada’s fast-growing industries that use hemp for clothing, construction materials and other products. The U.S. could soon become another supplier of bast. It now allows limited cultivation of hemp, which unlike its close cousin, does not induce highs.

By heating the hemp fibres for 24 hours at 350 degrees Fahrenheit, scientists were able to produce carbon nanosheets, which was then used to build supercapacitors.

Fully assembled, the devices performed far better than commercial supercapacitors in both energy density and the range of temperatures over which they can work. The hemp-based devices yielded energy densities as high as 12 Watt-hours per kilogram, two to three times higher than commercial counterparts. They also operate over an impressive temperature range, from freezing to more than 200 degrees Fahrenheit.

Small-scale manufacturing of the hemp-based supercapacitors is due to begin soon.

Sean Adl-Tabatabai
About Sean Adl-Tabatabai 17678 Articles
Having cut his teeth in the mainstream media, including stints at the BBC, Sean witnessed the corruption within the system and developed a burning desire to expose the secrets that protect the elite and allow them to continue waging war on humanity. Disturbed by the agenda of the elites and dissatisfied with the alternative media, Sean decided it was time to shake things up. Knight of Joseon (