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Submarine low-power power supply system with unit body structure

A technology of power supply system and unit structure, applied in the direction of circuits, fuel cells, electrical components, etc., can solve the problem of low power density, and achieve the effects of strong impact resistance, good mobility, and strong concealment

Inactive Publication Date: 2016-11-30
INST OF PROCESS ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the challenge of low power density still exists, and it is necessary to continuously optimize electrode materials, electrode modification, battery configuration, and rational use of natural conditions.

Method used

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  • Submarine low-power power supply system with unit body structure
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  • Submarine low-power power supply system with unit body structure

Examples

Experimental program
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Effect test

Embodiment 1

[0032] Such as figure 1 As shown, the cathode and anode integral unit structure MFC, with an outer diameter of 30mm, an inner diameter of 10mm, a height of 100mm, a built-in resistance of 500Ω, and a cylinder connected to the wires of the cathode and anode plates, were used to conduct cathode graphene-Fe 3+ Composite modification, anode graphene-polyaniline composite modification. Those skilled in the art can choose other modification methods or not modify as required.

[0033] Take the seabed sediment at a water depth of 900 meters in a sea area of ​​the South my country Sea, and adsorb on the surface of the cathode and anode of the above-mentioned unit structure MFC to form a biofilm, and the output voltage is 0.58-0.61V, which is constant. The biofilm may also not be preset, but formed after placement.

[0034] Combining the unit MFC in series and parallel (see Figure 4a1-2 ), and the output end of the battery pack is connected to the power management system. The unita...

Embodiment 2

[0037] The cathode and anode integral unit structure MFC, such as figure 1 As shown, the outer diameter is 30mm, the inner diameter is 10mm, and the height is 100mm. The internal fixed resistance is 500Ω and the cylinder connected to the cathode and anode wires. The electrode surface is threaded and continuously protrudes, and the cathode graphene-Fe 3+ Composite modification, anode graphene-polyaniline composite modification.

[0038] Take the seabed sediment near the Chinese cobalt-rich crust exploration area in the international seabed area of ​​the Western Pacific Ocean, with a water depth of 2850 meters, and adsorb on the surface of the cathode and anode of the above-mentioned unit structure MFC to form a biofilm. The output voltage is 0.61-0.64V, and it is constant.

[0039] Combining the unit MFC in series and parallel (see Figure 4b1-2 ), and the output end of the battery pack is connected to the power management system. The unitary MFC is placed in the protective s...

Embodiment 3

[0042] The cathode and anode integral unit structure MFC, such as figure 1 As shown, the bottom surface is 30mm×30mm, the inner diameter is 10mm×10mm, the height is 150mm, the internal fixed resistance is 500Ω and the rectangular parallelepiped connecting the cathode and anode wires is used for cathode graphene-Fe 3+ Composite modification, anode graphene-polyaniline composite modification.

[0043] Take the seabed sediment near the Chinese polymetallic sulfide mine exploration area in the Southwest Indian Ocean, at a water depth of 1870 meters, adsorb on the surface of the cathode and anode of the above-mentioned unit structure MFC, and form a biofilm. The output voltage is 0.62-0.65V, and it is constant.

[0044]Combining the unit MFC in series and parallel (see Figure 4c1-2 ), and the output end of the battery pack is connected to the power management system. The unitary MFC is placed in the protective sleeve of the deployer.

[0045] Arriving at a certain sea area near...

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Abstract

The invention discloses a submarine low-power power supply system with a unit body structure. The submarine low-power power supply system comprises a plurality of microbial fuel cells and a fuel cell stack, wherein a whole pole plate structure is adopted by cathodes and anodes of the microbial fuel cells; a resistor and an electric wire are solidified in a pole plate; the fuel cell stack is formed by series connection, parallel connection or parallel-series connection of the microbial fuel cells; the anodes arranged at the lower parts of the unit body microbial fuel cells and the cathodes are arranged at the upper parts of the unit body microbial fuel cells; the anodes are arranged in an anaerobic sediment; and the cathodes are arranged in a liquid environment containing dissolved oxygen. The submarine low-power power supply system is good in invisibility, stable in output, fast in power supply response, long in running time, high in reliability and high in maneuverability, meets the special requirements of modern warfare put on an energy device, and has a wide application prospect in the field of military and a marine geological environment.

Description

technical field [0001] The invention belongs to the field of submarine power supply energy, in particular, the invention relates to a unit structure submarine low-power power supply system. Background technique [0002] Microbial Fuel Cell (MFC) is a device that uses microorganisms as a catalyst to directly convert the chemical energy contained in organic matter into electrical energy. Seabed sediments store a large amount of energy in the form of organic carbon, the content of organic carbon is generally 2%, if it is completely oxidized, each liter of sediment can produce 6.1×10 4 The energy of J (17Wh / L) provides a material basis for the development of MFC. Subsea microbial fuel cells use sediment as a remote power source to supply power in situ on the seabed, serving monitoring and detection equipment for subsea operations. The anode is placed in the anaerobic sediment, and the cathode is placed in an environment where the overlying water contains dissolved oxygen. The ...

Claims

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Application Information

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IPC IPC(8): H01M8/16H01M8/24H01M8/247
CPCH01M8/16H01M8/24Y02E60/50
Inventor 李浩然杨朝睿杜竹玮陈浩王琪康金星
Owner INST OF PROCESS ENG CHINESE ACAD OF SCI
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