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In Situ Monitoring of Flue Gas Pollutants for Fuel Cell Systems

A technology of fuel cells and pollutants, applied in the direction of fuel cells, electrical components, circuits, etc., can solve the problem of damage to downstream fuel cells

Active Publication Date: 2021-12-10
FUELCELL ENERGY INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Natural gas-derived flue gas can contain significantly lower levels of pollutants than coal, but may still include significant amounts of SOx species (e.g., SO 2 and SO 3 )

Method used

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  • In Situ Monitoring of Flue Gas Pollutants for Fuel Cell Systems
  • In Situ Monitoring of Flue Gas Pollutants for Fuel Cell Systems
  • In Situ Monitoring of Flue Gas Pollutants for Fuel Cell Systems

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Embodiment Construction

[0034] Embodiments described herein relate generally to systems and methods for monitoring the level of pollutants in flue gas provided to a fuel cell, and in particular to measuring the amount of pollutants in the flue gas and regulating the flue gas based on the amount of pollutants. Systems and methods for polishing operating parameters of a system and / or fuel cell.

[0035] As used herein, the term "polishing" refers to any cleaning or pollutant removal method that can be used to remove pollutants from flue gas, such as activated carbon treatment, wet scrubbing, filtration, desulfurization, and the like.

[0036] Figure 1A is a schematic diagram of the fuel cell 1 . The fuel cell 1 comprises an electrolyte matrix 2 , an anode 3 and a cathode 4 . Anode 3 and cathode 4 are separated from each other by electrolyte matrix 2 . Flue gas from a flue gas generating system such as a combustion exhaust gas supply unit may be supplied to the cathode 4 as oxidant gas. In the fuel ...

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Abstract

A power generation system comprising: a fuel cell separation system configured to receive flue gas and generate electrical power therefrom; a flue gas polishing system upstream of the fuel cell separation system and configured to remove pollutants in the flue gas; the flue gas an analyzer configured to measure in real time the amount of pollutants in the flue gas; and a plant control system operatively coupled to the flue gas polishing system, the flue gas analyzer, and the fuel cell separation system and configured to regulate the flue gas polishing system operating parameters.

Description

[0001] Cross references to related patent applications [0002] This application is an International Patent Application of US Provisional Patent Application No. 62 / 326,505 filed April 22, 2016, the disclosure of which is incorporated herein by reference in its entirety. Background technique [0003] The present disclosure relates to fuel cell power generation systems. More specifically, the present disclosure relates to in situ monitoring of flue gas pollutants for fuel cell systems. [0004] A fuel cell is a device that directly converts chemical energy stored in fuel into electrical energy through an electrochemical reaction. Typically, a fuel cell contains an anode and a cathode separated by an electrolyte that conducts charged ions. Fuel cells may include molten carbonate fuel cells (MCFCs), which operate by passing reactant fuel gas through an anode while oxidizing gases (eg, carbon dioxide and oxygen) pass through a cathode. Combustion-based power plants generate ener...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/04992H01M8/0637H01M8/0668
CPCH01M8/04992H01M2008/147B01D53/30B01D53/326F23J15/02H01M8/0491H01M8/04955H01M8/0662H01M8/145H01M8/0444H01M8/04686B01D53/002B01D2257/504H01M8/0668Y02E20/32Y02E60/50H01M8/0637
Inventor H·赫兹勒-亚赫S·乔利
Owner FUELCELL ENERGY INC