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Zinc oxide-stannous oxide composite material-based low-temperature solid oxide fuel cell

A solid oxide, composite material technology, applied in fuel cells, battery electrodes, circuits, etc., can solve problems such as short circuits, achieve high oxygen ion conductivity, prevent electron transmission, and good output power.

Active Publication Date: 2019-05-24
NANJIN SANGLIRUI NEW ENERGY TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If a semiconductor material is used as the electrolyte material of a fuel cell, it is easy to think of a short circuit phenomenon. Because of this, materials with semiconductor properties have not been used in fuel cells so far.

Method used

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  • Zinc oxide-stannous oxide composite material-based low-temperature solid oxide fuel cell

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Embodiment Construction

[0028] The present invention can be better understood from the following examples. However, those skilled in the art can easily understand that the content described in the embodiments is only for illustrating the present invention, and should not and will not limit the present invention described in the claims.

[0029] Such as figure 1 As shown, the nickel foam that the surface is coated with NCAL constitutes a symmetrical electrode, the fuel cell cathode and anode of the present invention all adopt the nickel foam that the surface is coated with NCAL, and the core electrolyte layer is a composite material of SnO / ZnO and NCAL, so the structure of the fuel cell For: nickel foam / / NCAL / / SnO / ZnO / NCAL / / NCAL / / nickel foam; where NCAL is Ni 0.8 co 0.15 Al 0.05 LiO 2-δ Materials, SnO / ZnO is a composite material prepared by wet synthesis; nickel foam is a foamed nickel material purchased commercially, and NCAL powder is nickel-cobalt-aluminum-lithium powder purchased commercially....

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Abstract

The invention discloses a zinc oxide-stannous oxide composite material-based low-temperature solid oxide fuel cell. The cathode and anode of the fuel cell are both foamed nickel coated with NCAL; theelectrolyte layer of the fuel cell is made of a SnO / ZnO / NCAL composite material; and therefore, the structure of the fuel cell of the present invention is foamed nickel / / NCAL / / SnO / ZnO / NCAL / / NCAL / / foamed nickel. According to the low-temperature solid oxide fuel cell of the invention, nickel, cobalt, aluminum, lithium, and a SnO / ZnO composite material which is formed through wet synthesis, are together adopted as the electrolyte layer of the oxide fuel cell, and therefore, the electrode polarization loss of the fuel cell during an electrochemical reaction can be greatly reduced; and the electrolyte material has good output power in a low-temperature section, so that the solid oxide fuel cell using the electrolyte material can operate efficiently and stably for a long period of time in a low-temperature section (300 to 600 degrees Celsius).

Description

technical field [0001] The invention relates to a low-temperature solid oxide fuel cell based on zinc oxide-tin oxide composite material, which belongs to the technical field of new energy. Background technique [0002] Solid oxide fuel cells can efficiently convert chemical energy in fuel (such as hydrogen, methane, etc.) into electrical energy. The conversion efficiency is not limited by the Carnot cycle, and its efficiency is much higher than that of thermal power generating units. Fuel cells can be divided into proton exchange membrane fuel cells, solid oxide fuel cells, alkaline fuel cells, molten carbonate fuel cells, and phosphate fuel cells according to their electrolyte classification. Among them, solid oxide fuel does not require noble metal catalysts, materials The advantages of wide selection range and high conversion efficiency have attracted widespread attention. However, the current solid oxide fuel cells mainly use yttria-stabilized zirconia (YSZ) as the el...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/1016H01M4/88H01M4/90
CPCY02E60/50
Inventor 陆玉正颜森林
Owner NANJIN SANGLIRUI NEW ENERGY TECH CO LTD
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