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Method for generating mechanical energy and system thereof

一种机械能、电能的技术，应用在可逆燃料电池领域，能够解决微泵重新供给流体等问题

Inactive Publication Date: 2008-06-18
MITSUBISHI ELECTRIC CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Obviously, this micropump is only suitable for reagents that are not sensitive to hydrogen and oxygen, and since there is no means to recombine hydrogen and oxygen, and no means to resupply the micropump, the pump can only be used once

Method used

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  • Method for generating mechanical energy and system thereof
  • Method for generating mechanical energy and system thereof
  • Method for generating mechanical energy and system thereof

Examples

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Embodiment Construction

[0033] Figure 3 shows a fuel cell actuated mechanical energy generating device 300 according to one embodiment of the present invention. The device includes a fuel cell 304 coupled to a pressure equalization device 307 coupled to a hydraulic device 330 which is optionally coupled to a mechanical device 340 . As defined herein, the fuel cell, pressure equalization device and hydraulic device form a "closed" system for storing water. That is, no water enters and exits the closed system during operation.

[0034] The fuel cell 304 includes a positive electrode 351 , a positive porous conductor 352 , a proton-permeable exchange membrane 353 , a negative porous conductor 354 , and a negative electrode 355 . The mechanical energy generating device 300 also includes a DC power source 301 connected in series to a flow switch 302 and connected in parallel to a shunt switch 303 . Switches 302-303 cause the fuel cell 304 to be electrically powered to cause electrolysis, thereby reactin...

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Abstract

A method generates mechanical energy by storing water in a fuel-cell and a pressure equalization device. The water stored in the fuel-cell is electrolyzed into hydrogen gas and oxygen gas, which displaces the water stored in the pressure equalization device. The displaced water is fed to a hydraulic device to drive the hydraulic device in a forward direction to produce mechanical energy.

Description

technical field [0001] The present invention relates generally to fuel cells and, more particularly, to reversible fuel cells. Background technique [0002] The fuel cell reaction can be expressed as: [0003] 2H 2 O+electric energy2H 2 +O 2 +Potential electric energy. [0004] The forward reaction of electrolysis consumes water and releases hydrogen (H 2 ) and oxygen (O 2 ). The reverse reaction of hydrogen and oxygen produces water and potential electrical energy, the so-called "fuel cell" reaction. [0005] FIG. 1 shows a typical prior art reversible fuel cell 100 . The DC power supply 110 supplies current to the electrodes 130 inside the electrolytic cell 140 through the lead wire 120 . This current electrolyzes water 150 located in electrolysis cell 140 to produce gaseous hydrogen and oxygen mixture 160 which flows through interconnecting conduit 170 to reagent container 180 . This creates pressure on liquid reagent 190, forcing the reagent out of the contain...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/06H01M8/18C25B1/04
CPCH01M8/0656H01M8/04104Y02E60/56H01M2250/407Y02E60/563H01M2250/40F04B43/06H01M2008/1095F04B43/04Y02E60/528F04B17/00F04B19/24H01M8/186Y02E60/366Y02E60/36Y02E60/50
Inventor 威廉·S·叶拉兹尼斯刘景堂罗德里克·L·谢泼德
Owner MITSUBISHI ELECTRIC CORP