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The “ultimate battery” aims to harness the energy of black holes

The “ultimate battery” aims to harness the energy of black holes

© Mark Garlick/Science Image Library

a Battery storagewho has the power black holes Uses – This sounds like science fiction. That's exactly what two researchers now suggest “Unlocking the ultimate potential of batteries” And storing large amounts of green energy.

Your concept provides several Small black holes For small-space, high-energy interaction. It can operate like a nuclear reactor and provide large amounts of energy. This is based on “Metric Reisner-Nordstrom“, which describes the behavior of charged, non-rotating black holes based on Einstein's theory of relativity.

Stable micro black holes

Accordingly, this Micro black holes Just every one Planck mass be, so 200000 grams. If you put equally charged black holes next to each other, their electromagnetic repulsion will balance out with gravity.

➤ Read more: These are 10 of the largest black holes in the universe

Positively and negatively charged black holes are first stored separately and then brought together in a controlled manner

But how can something produce energy that devours everything and allows nothing to escape? Once you positive And negative If charged black holes come together, they will devour each other. If this happens in a controlled manner, the battery will remain stable and release large amounts of energy.

Huge energy production

When merging according to one theory, for example 5 to 10 percent The combined mass of black holes is released in the form of gravitational waves. For comparison: the energy released during nuclear fusion and fission is less than 1% of the atomic mass. Researchers even assume that the entire mass of black holes is released as energy.

Any black hole would be like it Battery cell, explain the researchers. One 1 kg Heavy battery 4 small black holes Can with her 470 million times Provides more power than the current most efficient 200kg lithium-ion battery. Compared to their “ultimate potential,” traditional energy storage systems are inefficient, the researchers wrote.

The researchers imagine a battery in which tiny black holes are kept stable and spherically shaped and are packed together in a controllable way

Risks and challenges

When a black hole can no longer hold mass, it disintegrates. The danger is that black holes will continue to expand and perhaps dangerous Researchers do not see how this could happen. They compared it to the warning issued by some physicists after the renewal Large Hardron Collider particle accelerator king. Also at that time, there was concern about the possibility of small black holes forming, but this remained unfounded.

One of the many problems the proposal faces is the question of whether such tiny, charged black holes actually exist. Researchers answer this with a “yes.” Even if the physical existence of charged black holes has not yet been proven, it is proven theoretically.

If they exist, the question is how to produce them in order to build a battery out of them and how to feed them with green energy as efficiently as possible, which can then be accessed later when they need it. It is also still unanswered how to do this It intercepts energyWhich come out in the form of gravitational waves – and researchers don't have any suggestion here yet.

➤ Read more: Aliens could use Dyson fields to tap into black holes

“never say never”

The researchers realize that implementation of their proposal is “not imminent”: but one should “never“He says. With the necessary progress, the project could succeed. You can compare this to the leap that… Computer technology I've been able to do it for the past 50 years. The study was published in the specialized journal Physics of high energy density published.

As amazing as it sounds, the concept is not new. already exists November 2023 Researchers have proposed using small black holes to store energy. According to her theory, one can see black holes Charged matter “Feed them” so they can convert it into energy.

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