WO2022125631A3 - Fuel design and shielding design for radioisotope thermoelectric generators - Google Patents

Fuel design and shielding design for radioisotope thermoelectric generators Download PDF

Info

Publication number
WO2022125631A3
WO2022125631A3 PCT/US2021/062360 US2021062360W WO2022125631A3 WO 2022125631 A3 WO2022125631 A3 WO 2022125631A3 US 2021062360 W US2021062360 W US 2021062360W WO 2022125631 A3 WO2022125631 A3 WO 2022125631A3
Authority
WO
WIPO (PCT)
Prior art keywords
design
shield
fuel
fuel design
electron
Prior art date
Application number
PCT/US2021/062360
Other languages
French (fr)
Other versions
WO2022125631A2 (en
Inventor
Jacob MATTHEWS
Original Assignee
Zeno Power Systems, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zeno Power Systems, Inc. filed Critical Zeno Power Systems, Inc.
Publication of WO2022125631A2 publication Critical patent/WO2022125631A2/en
Publication of WO2022125631A3 publication Critical patent/WO2022125631A3/en

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21H—OBTAINING ENERGY FROM RADIOACTIVE SOURCES; APPLICATIONS OF RADIATION FROM RADIOACTIVE SOURCES, NOT OTHERWISE PROVIDED FOR; UTILISING COSMIC RADIATION
    • G21H1/00—Arrangements for obtaining electrical energy from radioactive sources, e.g. from radioactive isotopes, nuclear or atomic batteries
    • G21H1/02—Cells charged directly by beta radiation
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F1/00—Shielding characterised by the composition of the materials
    • G21F1/02—Selection of uniform shielding materials
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21G—CONVERSION OF CHEMICAL ELEMENTS; RADIOACTIVE SOURCES
    • G21G4/00—Radioactive sources
    • G21G4/04—Radioactive sources other than neutron sources
    • G21G4/06—Radioactive sources other than neutron sources characterised by constructional features
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21H—OBTAINING ENERGY FROM RADIOACTIVE SOURCES; APPLICATIONS OF RADIATION FROM RADIOACTIVE SOURCES, NOT OTHERWISE PROVIDED FOR; UTILISING COSMIC RADIATION
    • G21H1/00—Arrangements for obtaining electrical energy from radioactive sources, e.g. from radioactive isotopes, nuclear or atomic batteries
    • G21H1/10—Cells in which radiation heats a thermoelectric junction or a thermionic converter
    • G21H1/103—Cells provided with thermo-electric generators
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21H—OBTAINING ENERGY FROM RADIOACTIVE SOURCES; APPLICATIONS OF RADIATION FROM RADIOACTIVE SOURCES, NOT OTHERWISE PROVIDED FOR; UTILISING COSMIC RADIATION
    • G21H1/00—Arrangements for obtaining electrical energy from radioactive sources, e.g. from radioactive isotopes, nuclear or atomic batteries
    • G21H1/10—Cells in which radiation heats a thermoelectric junction or a thermionic converter
    • G21H1/106—Cells provided with thermionic generators

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Particle Accelerators (AREA)
  • Measurement Of Radiation (AREA)

Abstract

Provided is a fuel design configured to have a thickness that is equal to or less than a mean-free path of electrons emitted by a radioactive energy source to prevent electrons produced thereby from being stopped within the fuel design and thus decreasing the intensity of bremsstrahlung radiation generated within the fuel design. Additionally provided is a two-phase shielding system (220) including a first shield (206) formed of a first material having a thickness exceeding a mean-free path of an electron emitted from a radioactive source material so as to prevent the electron from passing through the first shield, and a second shield (208) formed of a second material configured to prevent bremsstrahlung radiation generated by the electron from passing through the second shield.
PCT/US2021/062360 2020-12-08 2021-12-08 Fuel design and shielding design for radioisotope thermoelectric generators WO2022125631A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202063122733P 2020-12-08 2020-12-08
US63/122,733 2020-12-08

Publications (2)

Publication Number Publication Date
WO2022125631A2 WO2022125631A2 (en) 2022-06-16
WO2022125631A3 true WO2022125631A3 (en) 2022-08-04

Family

ID=80050851

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2021/062360 WO2022125631A2 (en) 2020-12-08 2021-12-08 Fuel design and shielding design for radioisotope thermoelectric generators

Country Status (1)

Country Link
WO (1) WO2022125631A2 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3401064A (en) * 1967-02-06 1968-09-10 North American Rockwell Electrical power generator system
US3663306A (en) * 1968-11-06 1972-05-16 Sanders Nuclear Corp High pressure resistant compact housing structure
US3697329A (en) * 1971-06-04 1972-10-10 Atomic Energy Commission Radioisotope heat source system
US20060131886A1 (en) * 2004-12-20 2006-06-22 Nie Luo Power conversion circuitry
US20160225476A1 (en) * 2015-02-03 2016-08-04 U.S.A., as represented by the Administrator of the National Aeronautics and Space Administration Nuclear thermionic avalanche cells with thermoelectric (ntac-te) generator in tandem mode
US20190392961A1 (en) * 2018-05-30 2019-12-26 United States Of America As Represented By The Administrator Of Nasa Multi-layered radio-isotope for enhanced photoelectron avalanche process
WO2020232507A1 (en) * 2019-05-21 2020-11-26 PhosEnergy Ltd Betavoltaic devices

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3401064A (en) * 1967-02-06 1968-09-10 North American Rockwell Electrical power generator system
US3663306A (en) * 1968-11-06 1972-05-16 Sanders Nuclear Corp High pressure resistant compact housing structure
US3697329A (en) * 1971-06-04 1972-10-10 Atomic Energy Commission Radioisotope heat source system
US20060131886A1 (en) * 2004-12-20 2006-06-22 Nie Luo Power conversion circuitry
US20160225476A1 (en) * 2015-02-03 2016-08-04 U.S.A., as represented by the Administrator of the National Aeronautics and Space Administration Nuclear thermionic avalanche cells with thermoelectric (ntac-te) generator in tandem mode
US20190392961A1 (en) * 2018-05-30 2019-12-26 United States Of America As Represented By The Administrator Of Nasa Multi-layered radio-isotope for enhanced photoelectron avalanche process
WO2020232507A1 (en) * 2019-05-21 2020-11-26 PhosEnergy Ltd Betavoltaic devices

Also Published As

Publication number Publication date
WO2022125631A2 (en) 2022-06-16

Similar Documents

Publication Publication Date Title
EP2438212B1 (en) X-ray tube with a backscattered electron shielded anode
Babich et al. Peculiarities of detecting pulses of runaway electrons and X-rays generated by high-voltage nanosecond discharges in open atmosphere
WO2007001693A3 (en) X-ray radiation sources with low neutron emissions for radiation scanning
US20100046716A1 (en) X-ray tube with backscatter protection
CA2863382C (en) System and method for x-ray source weight reduction
Skalyga et al. High yield neutron generator based on a high-current gasdynamic electron cyclotron resonance ion source
US7139349B2 (en) Spherical neutron generator
DE60213389D1 (en) X-RAY RADIATION DEVICE
WO2022125631A3 (en) Fuel design and shielding design for radioisotope thermoelectric generators
US8737570B2 (en) Gamma ray generator
GB762375A (en) Improvements relating to x-ray generators
GB2552746A (en) Field-ioniazation neutron generator
US3014132A (en) Loss current diminisher for compact neutron source
MX2022013489A (en) Additive manufacturing system for powdery starting material and method for manufacturing a component.
Sadat Kiai et al. Preliminary results of IS plasma focus as a breeder of short-lived radioisotopes 12 C (d, n) 13 N
US8779351B2 (en) Ion source employing secondary electron generation
Rau et al. Contrast within images of locally charged dielectrics in scanning electron microscopy
Popescu et al. NSLS-II beamline scattered gas bremsstrahlung radiation shielding calculation
Segui et al. Micromegas for beam loss monitoring
MX2021011329A (en) Systems and methods for compact laser wakefield accelerated electrons and x-rays.
Jones et al. Bremsstrahlung versus monoenergetic photon dose and photonuclear stimulation comparisons at long standoff distances
Halim Measurement of the activation cross sections of the fast neutron induced (N, 2N),(N, P) and (N, a) reactions on the isotopes of molybdenum, cobalt, zirconium and germanium
Vilmer et al. X-ray and Radio Diagnostics of Energetic Electrons in the Corona
Thibodeau et al. Broadband X-Ray Source Development with Laser Wakefield Accelerators
Sullivan The shielding of an electron-positron injector

Legal Events

Date Code Title Description
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21848323

Country of ref document: EP

Kind code of ref document: A2