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External neutron source drive type nuclear battery

A neutron source and nuclear battery technology, applied in the field of nuclear batteries, can solve the problems of difficulty in improving the specific power and thermal power output of radioisotope nuclear batteries without theoretical improvement

Inactive Publication Date: 2012-08-08
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The technical effect that this new technology solves by providing better performance compared to previous methods while still being cost-effective or efficient for use.

Problems solved by technology

This patented technical solution described in this patents solves issues with current methods for increasing the amount of electricity generated from certain materials like radium-223 which are currently being developed but have limited performance compared to other sources such as uranium-31.

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  • External neutron source drive type nuclear battery
  • External neutron source drive type nuclear battery
  • External neutron source drive type nuclear battery

Examples

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Embodiment 1

[0019] Such as figure 1 As shown, this embodiment is an external neutron source-driven nuclear battery, including a heat source and a thermoelectric conversion device 5 arranged outside the heat source. The heat source includes a neutron source module 1 placed at the center of the heat source, wrapped in a neutron The fuel core 2 on the outside of the source module 1 axially, the beryllium reflective layer wrapped on the axially outside of the fuel inner core 2 forms the fuel container 3 , and the graphite reflective layer module 4 wrapped on the outside of the fuel container 3 is composed of graphite.

[0020] Preferably, the material of the neutron source module 1 is 252 Cf.

[0021] Preferably, the material of the fuel core 2 is a fissile nuclide, such as 235 Metal U fuel with 100% U enrichment.

[0022] Preferably, the radius of the neutron source module 1 is 0.435cm; the inner radius of the fuel core 2 is 0.435cm, and the outer radius is 1.38cm; the inner radius of the...

Embodiment 2

[0024] Such as figure 2 As shown, this embodiment is an external neutron source driven nuclear battery. Compared with Embodiment 1, only a metal layer 6 is wrapped outside the graphite reflective layer module 4, and the material of the metal layer 6 is copper, aluminum or cadmium. By wrapping a layer of metal layer 6 outside the graphite reflection layer module 4, the strength of the external neutron source driven nuclear battery of the present invention can be increased.

[0025] Preferably, the radius of the neutron source module 1 is 0.435cm; the inner radius of the fuel core 2 is 0.435cm, and the outer radius is 1.38cm; the inner radius of the fuel container 3 formed by the beryllium reflective layer is 1.38cm , the outer radius is 2.18cm; the length, width and height of the graphite reflective layer module 4 are respectively 4.86cm, 4.66cm and 5.31cm; the length, width and height of the metal layer 6 are respectively 5.41cm, 5.21cm and 5.86cm.

[0026] The working prin...

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Abstract

The invention discloses an external neutron source drive type nuclear battery which comprises a heat source and a thermoelectric conversion device arranged outside the heat source. The heat source comprises a neutron source module, a fuel kernel, a fuel container and a graphite reflector module, wherein the neutron source module is arranged at the center of the heat source; the fuel kernel is enwrapped outside the axial direction of the neutron source module; the fuel container is enwrapped outside the axial direction of the fuel kernel and formed by a beryllium reflector; and the graphite reflector module enwrapped outside the fuel container and formed by graphite. The neutron source module is made of 252Cf; and the fuel kernel is made of fissile nuclide. The external neutron source drive type nuclear battery has the advantage that while the advantage of modularization of a radioactive isotope nuclear battery is kept, the specific power and the thermal power output of the nuclear battery are further improved.

Description

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Claims

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Application Information

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Owner XI AN JIAOTONG UNIV
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