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Radiovolt electrochemical radioisotope battery

A radioisotope, electrochemical technology, applied in the field of radiovoltaic electrochemical radioisotope batteries, can solve the problems of low energy conversion efficiency, low energy conversion efficiency of isotope batteries, small specific surface area of ​​radiation sources, etc.

Pending Publication Date: 2021-05-04
XIAMEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This makes on the one hand the specific surface area of ​​the radiation source used is small, and the energy conversion efficiency of the isotope cell is low. On the other hand, the radiation source has inevitable radiation damage to the semiconductor structure, which also leads to low energy conversion efficiency.

Method used

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  • Radiovolt electrochemical radioisotope battery
  • Radiovolt electrochemical radioisotope battery
  • Radiovolt electrochemical radioisotope battery

Examples

Experimental program
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Embodiment 1

[0050] figure 1 is based on S x 2- / S 2- Schematic diagram of the structure of a radiative electrochemical cell with redox pairs and a liquid electrolyte titanium dioxide nanotube array compounded with cadmium sulfide and single-walled carbon nanotubes, as shown in figure 1 As shown, this embodiment includes 1-titanium metal substrate electrode, 2-titanium dioxide nanotube array, 3-cadmium sulfide quantum dot, 4-single-walled carbon nanotube, 5-tritium water and liquid electrolyte, 6-ITO cathode, 7-Seal chamber.

[0051] In this embodiment, the titanium dioxide nanotube array film is made of a plurality of parallel TiO 2 Nanotubes and titanium metal substrate electrodes are stacked vertically side by side; the liquid electrolyte and liquid isotope radiation source are integrated in the three-dimensional nanospace of the nanotube array; the cathode material is ITO conductive glass (surface resistance 8Ω / cm 2 ); the isotope radiation source is tritium water, and the liquid ...

Embodiment 2

[0060] image 3 based on I 3 - / I - Schematic diagram of the structure of the radiative electrochemical cell with redox pair and quasi-solid electrolyte titanium dioxide nanorod array structure, as shown in image 3 As shown, this embodiment includes 1-FTO substrate electrode, 2-titanium dioxide nanorod array, 3-Pt nanoparticles, 4-radioactive quasi-solid electrolyte, 5-sealed cavity, 6-Pt cathode.

[0061] In this embodiment, the titanium dioxide nanorod array film is formed by arranging highly ordered square nanorods; the radioactive quasi-solid-state electrolyte will have radioactive 14 C nanoparticles are added to the organic solvent of sodium iodide and iodine to solidify, and then integrated in the three-dimensional nanospace of the nanorod array; the cathode material is a Pt electrode, and the substrate electrode is FTO conductive glass (surface resistance 8Ω / cm 2 ).

[0062] The preparation method of the radiant electrochemical cell described in this embodiment co...

Embodiment 3

[0069] Figure 5 Schematic diagram of the structure of a radiative electrochemical cell based on a zinc oxide nanorod array composite nickel oxide structure based on a solid electrolyte, as shown in Figure 5 As shown, this embodiment includes 1-AZO substrate electrode, 2-zinc oxide nanowire array, 3-radioactive solid electrolyte 63 NiO, 4-nickel cathode, 5-sealed cavity.

[0070] In this embodiment, the zinc oxide nanowire array film is formed by stacking highly ordered and neatly arranged hexagonal nanowires; the radioactive solid electrolyte refers to the P-type semiconductor used as the hole transport layer 63 NiO nanoflowers, which cover the surface of the zinc oxide nanowire array film; the cathode material is a nickel metal electrode, and the substrate electrode is AZO conductive glass (surface square resistance 8Ω / cm 2 ).

[0071] The preparation method of the radiant electrochemical cell described in this embodiment comprises the following steps:

[0072] (1) Prep...

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Abstract

The invention provides a radiovolt electrochemical radioisotope battery which comprises an anode composed of a substrate electrode and a semiconductor three-dimensional nano structure integrated on the surface of the substrate electrode, a cathode and a radioactive electrolyte filling in the three-dimensional nano space structure of the anode, the radioactivity of the radioactive electrolyte is obtained by replacing one or more stable elements in the electrolyte with radioactive isotopes of the same type, and rays generated by the radioactive isotopes comprise at least one of alpha particles and beta particles; the radioactive isotope has a half-life period of more than 5 years, and the average energy of radiation particles is not higher than 250keV. Rays generated by the radioactive electrolyte interact with the three-dimensional nanostructure of the anode semiconductor to generate a large number of electron-hole pairs, holes and the electrolyte are subjected to an oxidation reaction under the action of a built-in electric field formed by the solid-liquid heterostructure and migrate to the cathode, and electrons are transferred to the cathode through an external circuit to be subjected to a reduction reaction with the electrolyte, and a closed loop is formed to generate an output current.

Description

technical field [0001] The invention relates to the field of battery energy, in particular to a radiovoltaic electrochemical radioactive isotope battery. Background technique [0002] With the rapid development of integrated circuit systems and micro-electromechanical systems, the volume of electronic devices is getting smaller and smaller, which promotes the miniaturization of energy supply devices, making it an urgent problem to be solved in the development of micro-sensing systems. Especially for autonomous wireless sensing microsystems deployed in remote and inaccessible places such as deep sea, deep space, polar regions, and deserts, there is a growing demand for independent, low-power, sustainable, and maintenance-free power supplies. At present, the traditional conventional power supply is subject to its own factors such as working principle and battery structure, and has certain defects in the application of extreme environments. For example, lithium-ion batteries h...

Claims

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Application Information

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IPC IPC(8): G21H1/06
CPCG21H1/06
Inventor 伞海生王震
Owner XIAMEN UNIV
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