2023-08-07 04:30:14
The US laboratory repeated the nuclear fusion experiment this year. Not only was it successful once more, but the energy output was also higher than last year. (Photo by NASA on Flickr under CC License)
[Comprehensive report by Taiwan News reporter Jian Jiayou]Nuclear fusion power generation is not a dream! U.S. laboratories once once more used nuclear fusion to generate net energy output. In December last year, for the first time, the energy produced by nuclear fusion power generation was greater than the energy consumed. It is expected to generate clean energy, but it has been questioned by the outside world that the experiment cannot be replicated and is difficult to commercialize. But the US lab repeated the experiment this year, and not only was it successful once more, but the energy yield was even higher than last year.
Nuclear fusion power generation succeeds once more
《GuardianAccording to the report, scientists said that the nuclear fusion experiment produced net energy output for the first time in December last year, marking a historical milestone for energy. The US laboratory recently repeated the experiment, and the final energy output was even higher than last year.
Nuclear fusion generates a large amount of energy by fusing two hydrogen atoms, because there is no problem of nuclear waste in the process, and almost no carbon dioxide is produced, making it an infinite clean energy source.
But nuclear fusion materials are not ordinary hydrogen atoms, but “deuterium” (one more neutron than normal hydrogen atom) and “tritium” (two neutrons more than normal hydrogen atom), and the content of these elements in nature is equivalent rare.
However, there are many bottlenecks to be overcome in the commercialization of nuclear fusion power generation. For example, the laser in the laboratory is regarding to be fired once a day. However, if the nuclear fusion power plant is to be commercialized, it needs to heat the fuel 10 times per second. Causes enormous pressure, leading to machine damage.
There is still a long way to go
Scientists say that nuclear fusion technology is still a long way from commercial power generation, let alone that it should not be expected to solve the climate crisis, and work on net-zero carbon emissions must continue. But they also said they were excited regarding the technological breakthrough, which they see as “evidence that small stars can be built on Earth.”
At present, it is generally predicted that it will take more than 10 years from the current nuclear fusion power generation technology to commercial forwarding power generation.
《scientific man“Reported that the nuclear power plants that used nuclear fission technology in the past have aroused a lot of public opinion because of the construction site, nuclear waste issues, and nuclear disaster outbreaks. Nuclear energy experts pointed out that nuclear fusion should have the opportunity to learn from the mistakes of nuclear fission, and think deeply regarding energy fairness and justice, including the location of nuclear power plant construction, community energy supply and other issues. “At least we have to try to do it right this time.” .
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