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Americium is a synthetic chemical element; ... A single 3.2 kg 242m Am charge of such battery could provide about 140 kW of power over a period of 80 days. [111]
Americium and its isotopes are also very chemically toxic as well, in the form of heavy-metal toxicity. As little as 0.03 microcuries (1.1 kBq) is the maximum permissible body burden for 241 Am. [26] Americium-241 is an α-emitter with a weak γ-ray byproduct.
Americium-243 has a mass of 243.06138 g/mol and a half-life of 7,370 years, the longest lasting of all americium isotopes. It is formed in the nuclear fuel cycle by neutron capture on plutonium-242 followed by beta decay . [ 15 ]
An atomic battery, nuclear battery, radioisotope battery or radioisotope generator uses energy from the decay of a radioactive isotope to generate electricity. Like a nuclear reactor , it generates electricity from nuclear energy, but it differs by not using a chain reaction .
Diagram of an RTG used on the Cassini probe. A radioisotope thermoelectric generator (RTG, RITEG), sometimes referred to as a radioisotope power system (RPS), is a type of nuclear battery that uses an array of thermocouples to convert the heat released by the decay of a suitable radioactive material into electricity by the Seebeck effect.
This page was last edited on 22 December 2021, at 07:22 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Americium compounds are compounds containing the element americium (Am). These compounds can form in the +2, +3, and +4, although the +3 oxidation state is the most common. The +5, +6 and +7 oxidation states have also been reported.
Americium can be obtained from the reaction of metallic americium with nitrogen or ammonia at 750–800°C: [2]. 2Am + N 2 → 2AmN 2Am + 2NH 3 → 2AmN + 3H 2 [3]. It can also be obtained from the reaction of americium trihydride (AmH 3) with nitrogen at 750 °C: [4]
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