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Scientists have discovered a way to convert nuclear waste into radioactive black diamond batteries which last more than 5,000 years.
Researchers at the University of Bristol have found a means of creating a battery capable of generating clean electricity for five millennia, or as long as human civilization has existed.
Scientists found that by heating graphite blocks – used to house uranium rods in nuclear reactors – much of the radioactive carbon is given off as a gas.
This can then be gathered and turned into radioactive diamonds using a high-temperature chemical reaction, in which carbon atoms are left on the surface in small, dark-colored diamond crystals.
These man-made diamonds produce a small electrical charge when placed near a radioactive source.
The radioactive diamonds are then encased safely within a layer of non-radioactive diamond. The surface of a complete diamond emits less radiation than a banana.
It's not your typical battery, but that's what we call it, specifically a type of atomic battery called a betavoltaic battery.
originally posted by: charlyv
It is not a battery.
It is a form of fuel cell.
How would you charge it?
An atomic battery, nuclear battery, tritium battery or radioisotope generator is a device which uses energy from the decay of a radioactive isotope to generate electricity. Like nuclear reactors, they generate electricity from nuclear energy, but differ in that they do not use a chain reaction.
That even mentions the Russian design based on nickel-63 specifically.
Betavoltaic devices, also known as betavoltaic cells, are generators of electric current, in effect a form of battery, which use energy from a radioactive source emitting beta particles (electrons)...
In 2018 a Russian design based on 2-micron thick nickel-63 slabs sandwiched between 10 micron diamond layers was introduced.
A fuel cell is an electrochemical cell that converts the chemical energy of a fuel (often hydrogen) and an oxidizing agent (often oxygen) into electricity through a pair of redox reactions.
You sound confused about batteries, about fuel cells, and about how the Russian design works.
originally posted by: charlyv
a reply to: Arbitrageur
I understand the difference, as there is no oxidizing going on, however it is more of a fuel cell (in its generic form), than it is a battery in that a battery implies a device that can be charged with more electrical current, and a fuel cell creates electrical current by (in this case) converting heat to electricity. The heat in this case is a radioactive process.
most alkaline batteries have warnings – albeit tiny ones – telling consumers they could explode. Those warnings instruct not to insert an alkaline battery the wrong direction, expose it to high heat, or charge a non-rechargeable battery. All of those mistakes can prompt explosion.
No, no, I specifically explained in my prior post that the betavoltaic battery is "non-thermal", which should obviously mean it's NOT based on heat as you are incorrectly saying. Some of the other types of atomic batteries are thermal batteries, but not the betavoltaics.
fuel cell creates electrical current by (in this case) converting heat to electricity. The heat in this case is a radioactive process.