June 22nd, 2024

HH70, the first high-temperature superconducting Tokamak achieves first plasma

The world's first high-temperature superconducting Tokamak, HH70, achieves first plasma, marking a milestone in fusion technology. China leads with Energy Singularity's advancements in high-temperature superconducting Tokamak engineering.

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HH70, the first high-temperature superconducting Tokamak achieves first plasma

The world's first high-temperature superconducting Tokamak, named "HH70," has successfully achieved its first plasma under the development and construction of Energy Singularity. This achievement marks a significant milestone in the field of high-temperature superconducting magnetic confinement fusion. HH70 features a toroidal magnetic field of 0.6 Tesla and a plasma major radius of 0.75 meters, with a magnet system comprising 26 high-temperature superconducting magnets. Energy Singularity holds independent intellectual property rights for HH70, with a localization rate exceeding 96%. The successful operation of HH70 positions China at the forefront of high-temperature superconducting Tokamak engineering feasibility verification. Energy Singularity plans to advance its research with the development of the next-generation high-field high-temperature superconducting Tokamak device, HH170, aiming for significant energy gain. This breakthrough in controlled nuclear fusion technology is expected to pave the way for cleaner and more cost-effective energy solutions, accelerating the commercialization of fusion energy. Energy Singularity's focus on high-temperature superconducting Tokamak research underscores its commitment to advancing energy innovation and efficiency.

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Link Icon 10 comments
By @themgt - 4 months
Insane factoid (post from Feb 27, 2022) ... this was funded by a Chinese gaming company and built in 2 years for relative pennies??:

MiHoYo, the developer of Genshin Impact, has led a $65m funding round in Shanghai based Energy Singularity which is a company involved in nuclear fusion technology, tokamak devices and operational control systems.

The company plans to build its own Tokamak device by 2024.

https://x.com/ZhugeEX/status/1497957735337443331

By @physicistphil - 4 months
Tokamak energy did this back in 2015[1,2] (the article is wrong)

[1]: https://tokamakenergy.com/about-us/#trackrecord

[2]: https://royalsocietypublishing.org/doi/full/10.1098/rsta.201...

By @londons_explore - 4 months
When talking about the price of energy produced by fusion, various estimates put it at 'probably about the same as nuclear fission, maybe a bit higher, but it won't have the proliferation risk/contamination risk of fission'.

However, because the tech was '50 years away', it never made sense for private sector investors, so most investment was from governments.

However, with solar and wind now far cheaper than nuclear due to no need for massive capital investments in concrete and steel upfront many years before production starts, does it even make sense for governments to go down this route?

By @ilaksh - 4 months
Dumb question, but is the basic idea that you need to harvest more heat energy from the plasma than is needed to maintain the magnetic field?

Also, very dumb question but the plasma means that fusion is actually occuring, right?

And does anyone know how this one collects the heat and converts it into electricity or whatever?

Or any other fusion device, how does it actually collect or output energy from the fusion. And how much do they make, and how far off is that from matching the input power?

Maybe it was some protons escaping from the plasma and hearing something external or something.

By @convolvatron - 4 months
"HH70 has independent intellectual property rights, with a localization rate exceeding 96%."

what...does that mean?

By @Havoc - 4 months
Silly question but say fusion works and we use massive amounts of it. Wouldn’t that increase global temps?
By @upmind - 4 months
For someone who doesn't know much about physics, what significance does this have?
By @__experiment__ - 4 months
I'm brave enough to remember LK99

does anyone know how this differ from outside temperature?

By @baq - 4 months
If this isn't a Sputnik and/or an Apollo 11-level wake up call to the western leaders I don't know what has any chance of working.
By @ab5tract - 4 months
And here’s why it’s irrelevant and inconsequential…