Radioactive three-dimensional nano-structure radiovolt electrochemical cell

A three-dimensional nano-radioactive technology, applied in the application of radiation from radioactive sources, obtaining electrical energy from radioactive sources, and nuclear engineering, etc., can solve problems such as low energy conversion efficiency, small specific surface area of ​​radiation sources, and radiation damage to semiconductor structures.

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 l...

Method used

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  • Radioactive three-dimensional nano-structure radiovolt electrochemical cell
  • Radioactive three-dimensional nano-structure radiovolt electrochemical cell
  • Radioactive three-dimensional nano-structure radiovolt electrochemical cell

Examples

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Embodiment 1

[0047] The structure of the three-dimensional nanostructure radiative electrochemical cell of the present invention is as follows: figure 1 As shown, the battery structure includes: 1-FTO substrate electrode, 2-TiO 2 Nanorod array, 3-electrolyte, 5-tritiated titanium cathode, 4-sealed cavity.

[0048] In this embodiment, the titanium dioxide nanorod array film is formed by arranging highly ordered quadrangular columnar nanorods; the electrolyte contains Fe 3+ / Fe 2+ The inorganic aqueous solution of the redox pair is filled in the three-dimensional nanospace of the titanium dioxide nanorod array; the cathode material is a tritiated titanium metal target electrode, and the substrate electrode is FTO conductive glass (surface square resistance 8Ω / cm 2 ).

[0049] The preparation method of the radiant electrochemical cell described in this embodiment comprises the following steps:

[0050] (1) Preparation of titanium dioxide nanorod array film: FTO conductive glass is used as...

Embodiment 2

[0056] Such as image 3 As shown, on the basis of Example 1, this embodiment modifies zirconia nanoparticles on the surface of titania nanorod arrays, and the specific sensitization process is as follows: an appropriate amount of ZrO(NO 3 ) 2 Dissolve in deionized water, then add a certain amount of polyethylene glycol, then ultrasonicate the mixed solution for 30 minutes, add an appropriate amount of ammonia solution drop by drop, until the pH of the reaction solution is 9, and cover the back of the prepared sample with polytetrafluoroethylene tape Seal it to prevent it from depositing on the surface of the conductive glass, then put it into the reaction solution for a certain period of time, take it out, remove the tape and rinse the sample with deionized water, put it in a constant temperature drying oven to dry for 12 hours, and then put it in a clean petri dish for sealed storage , The encapsulation process of the voltaic electrochemical cell is as described in Example 1...

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Abstract

The invention relates to a radioactive three-dimensional nano-structure radiovolt electrochemical cell which comprises an anode, a cathode and electrolyte filling between the anode and the cathode, the anode is composed of a substrate electrode and a semiconductor three-dimensional nano-structure integrated on the surface of the substrate electrode, and at least one of the substrate electrode, the semiconductor structure and the cathode has radioactivity. The substrate electrode can be a radialized substrate electrode in which stable elements are replaced by radioactive isotopes of the same type; the semiconductors can be radialized semiconductors after stable elements are replaced by radioactive isotopes of the same type; the cathode can be a radialized cathode in which stable elements are replaced by radioactive isotopes of the same type. Rays generated by the radioactive isotope comprise alpha particles and beta particles, the alpha particles and the beta particles interact with a semiconductor to generate a large number of electron-hole pairs, holes and 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, electrons are transferred to the cathode through an external circuit and subjected to a reduction reaction with the electrolyte, and a closed loop is formed to generate output current.

Description

technical field [0001] The invention relates to the field of battery energy, in particular to a radioactive three-dimensional nanostructure radiation electrochemical 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, li...

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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