Synthesis of radioactive materials and compositions of same
View Patent ↗The present invention relates generally to synthesis of radioactive material, such as a tritiated polymer, and an apparatus for generating electrical current from the nuclear decay process of a radioactive material. In one embodiment, the invention relates to an energy cell (e.g., a battery) for generating electrical current derived from particle emissions occurring within a radioactive material such as a tritiated polymer) on pore walls of a porous semiconductor. The radioactive material may be introduced into the energy cell by a wetting process.
1. A process comprising:
(a) selecting a liquid polymer, wherein the liquid polymer is selected from the group consisting of poly(vinylacetylene), TMS poly(vinylacetylene), and poly(vinyldiacetylene); and
(b) tritiating the liquid polymer to yield a tritiated liquid polymer, wherein
(i) the tritiated liquid polymer has a ratio of tritium atoms to carbon atoms of at least about 1:1, and
(ii) the tritiating of the liquid polymer in step (b) comprises a method selected from the group consisting of addition, substitution, and combinations thereof.
2. The process of claim 1 , wherein the amount of tritium in the tritiated liquid polymer is at least about 20 wt %.
3. The process of claim 1 , wherein the tritiated liquid polymer is [C 4 H 3 T 5 ] n .
4. The process of claim 1 , wherein the tritiated liquid polymer is tritiated poly(1-ethylethylene).
5. The process of claim 1 , wherein the tritiated liquid polymer is saturated.
6. The process of claim 1 , wherein the step of tritiating the liquid polymer comprises addition.
7. The process of claim 1 , wherein the step of tritiating the liquid polymer comprises catalytic tritium addition.
8. The process of claim 1 , wherein the liquid polymer has at least one carbon-carbon triple bond, and wherein the step of tritiating the liquid polymer comprises addition of the tritium in the form of tritium gas to the carbon-carbon triple bond.
9. The process of claim 1 , wherein the liquid polymer has at least one carbon-carbon double bond, and wherein the step of tritiating the liquid polymer comprises addition of the tritium in the form of tritium gas to the carbon-carbon double bond.
10. The process of claim 1 , wherein the step of tritiating the liquid polymer comprises substitution.
11. The process of claim 1 , wherein the step of tritiating the liquid polymer comprises T 2 O hydrolysis.
12. The process of claim 1 , wherein the step of tritiating the liquid polymer comprises addition and substitution.
13. The process of claim 1 , wherein the ratio of tritium atoms to carbon atoms in the tritiated liquid polymer is at least about 1.25:1.
14. The process of claim 1 , wherein the ratio of tritium atoms to carbon atoms in the tritiated liquid polymer is at least about 1.5:1.
15. The process of claim 1 , wherein the ratio of tritium atoms to carbon atoms in the tritiated liquid polymer is at least about 2:1.
16. The process of claim 1 , further comprising synthesizing the liquid polymer, wherein the liquid polymer is synthesized from two or more compounds, wherein at least one of said compounds is vinyl bromide.
17. The process of claim 16 , wherein the synthesizing of the liquid polymer comprises reacting vinyl bromide with trimethylsilylacetylene ((TMS) acetylene).
18. The process of claim 16 , wherein the vinyl bromide is tritiated before the synthesizing of the liquid polymer.
19. The process of claim 1 , wherein the selecting of the liquid polymer in step (a) comprises selecting a liquid polymer comprising tritium atoms and wherein the tritiating of the liquid polymer in step (b) further tritiates the liquid polymer selected in step (a).