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Diamond Schottky isotope battery using zinc oxide layer to improve performance and preparation method thereof

An isotope battery, a technology to improve performance, applied in the field of micro energy, can solve the problems of isotope battery short-circuit current, low energy conversion efficiency of open circuit voltage, etc., to achieve the effect of improving energy conversion efficiency, avoiding uneven distribution of potential barriers, and increasing open circuit voltage

Active Publication Date: 2019-11-08
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a diamond Schottky isotope battery improved by zinc oxide layer and its preparation method in order to solve the problems of low short-circuit current, open circuit voltage and low energy conversion efficiency of the existing isotope battery

Method used

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  • Diamond Schottky isotope battery using zinc oxide layer to improve performance and preparation method thereof
  • Diamond Schottky isotope battery using zinc oxide layer to improve performance and preparation method thereof
  • Diamond Schottky isotope battery using zinc oxide layer to improve performance and preparation method thereof

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specific Embodiment approach 1

[0018] Specific Embodiment 1: The diamond Schottky isotope cell using zinc oxide layer to improve performance in this embodiment includes radioactive source 1, battery Schottky electrode 2, zinc oxide layer 3, intrinsic diamond layer 4, and boron-doped p-type diamond layer 5 and battery ohmic electrode 6, the diamond Schottky isotope battery consists of radioactive source 1, battery Schottky electrode 2, zinc oxide layer 3, intrinsic diamond layer 4, boron-doped p-type diamond layer 5 and The battery ohmic electrodes 6 form a laminated structure.

[0019] The p-type diamond layer described in the diamond Schottky isotope cell of this embodiment is boron-doped high-temperature and high-pressure p-type diamond, and the described intrinsic diamond layer is a diamond layer grown by chemical vapor deposition (CVD), and the The ohmic electrode of the battery is a titanium / gold or titanium / platinum / gold laminated metal electrode, and the zinc oxide layer is a 5-20nm zinc oxide layer ...

specific Embodiment approach 2

[0020] Specific embodiment two: the difference between this embodiment and specific embodiment one is that the radioactive source 1 is 241 Am.

specific Embodiment approach 3

[0021] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that the battery Schottky electrode 2 is made of gold, platinum or molybdenum.

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Abstract

Belonging to the field of micro-energy, the invention provides a diamond Schottky isotope battery using a zinc oxide layer to improve performance and a preparation method thereof, and aims to solve the problems of short-circuit current, open-circuit voltage and low energy conversion efficiency in existing isotope batteries. The diamond Schottky isotope battery using a zinc oxide layer to improve performance comprises a radioactive source, a battery Schottky electrode, a zinc oxide layer, an intrinsic diamond layer, a boron doped p-type diamond layer and a battery ohmic electrode. The diamond Schottky isotope battery consists of the radioactive source, the battery Schottky electrode, the zinc oxide layer, the intrinsic diamond layer, the boron doped p-type diamond layer and the battery ohmic electrode that form a laminated structure from top to bottom in order. Specifically, the zinc oxide layer is inserted between the intrinsic diamond layer and the Schottky electrode, can block holesand transmit electrons at the same time, thus reducing the effect of electron holes on recombination, and further improving the energy conversion efficiency.

Description

technical field [0001] The invention belongs to the field of micro-energy, and in particular relates to a diamond Schottky isotope battery containing a zinc oxide layer and a preparation method thereof. Background technique [0002] MEMS is a highly integrated intelligent system with a size of millimeter or micron. It has the advantages of small size, low power consumption, and stable performance. Micro-electro-mechanical systems belong to the key field of contemporary interdisciplinary research, and will be a new growth point in the fields of national defense, military and national economy in the future. The miniaturization and low power consumption of MEMS means that its power supply system should have the characteristics of small size and stable power supply for a long time. The isotope battery based on the Ford effect of isotope radiation has become an excellent energy provider for MEMS due to its long-term stable power supply without replacement, high energy density, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G21H1/06H01L29/06H01L21/329H01L29/872
CPCG21H1/06H01L29/0603H01L29/6603H01L29/872
Inventor 朱嘉琦刘本建代兵刘康杨磊韩杰才
Owner HARBIN INST OF TECH