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Fuel Cells

Integrated-fuel-cell-steam-plant-for-electrical-generation

Low-loss and low-torque ACSR conductors

We claim: 1. An ACSR conductor having three or more layers of aluminum conductor strands helically ...

Multi-layer sheet structure, method of making same and containers made therefrom

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Multiple symbol differential detection

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Bonding of pure metal films to ceramics

OF THE PREFERRED EMBODIMENT The invention is both a method and a structure whereby metals are ...

Yttrium enriched aluminide coating for superalloys

I claim: 1. An article having resistance to oxidation and thermal mechanical fatigue comprising a ...

Preceramic composition containing silicon based powder

The polysilazane used in the practice of the invention may be any polysilazane that is soluble in ...

Cemented carbonitride alloys

OF THE INVENTION The important feature of the present invention consists in the finding that, if a ...

High performance cermet electrodes

What we claim is: 1. A method of increasing the cell voltage of an electrochemical cell having a ...

Electrode for fuel cell

OF THE PREFERRED EMBODIMENT The porous sheet to be used for the fuel cell electrode according to ...

Electrochemical cells

It is one of the objects of the present invention to provide an improved form of cathode current ...

Integrated fuel-cell/steam plant for electrical generation

Details

Inventors: Hsu, Michael S.;
Assignee: Massachusetts Institute of Technology (Cambridge, MA)
Primary Examiner: Ostrager; Allen M.
Assistant Examiner:
Attorney, Agent or Firm: Cook; Paul J.

An electrical generating plant of high efficiency utilizes a conventional steam plant powered by a fossil fuel such as coal, gas or oil, in internal integration with a high temperature solid-oxide fuel-cell. In one embodiment, the spent fuel and the wast heat from the fuel-cell of electrochemical action is made directly available to the combustion furnace of the steam plant for thermodynamic extraction. The system can achieve efficiencies up to 65% compared to ordinary steam plants which have an efficiency of about 35%.

DETAILED DESCRIPTION It is an object of the invention to reduce the pollution caused by fossil fueled power plants.
It is yet another object of the invention to increase the efficiency of power plants.
It is still another object of the invention to accomplish these objectives in existing power plants as well as in new construction.
These objects are accomplished, in one aspect of the invention, by the provision of an electrical generating facility comprised of a fossil fuel fired, steam power plant which includes a boiler having a combustion furnace and a fuel-cell integration in operative relation to the boiler.
A supply of fossil fuel is provided and is connected to the fuel-cell for introduction thereinto thereby to commence an electrochemical reaction which generates electricity.
Further means are provided for internal integration of the fuel-cell to the combustion furnace whereby the partially spent fuel and surplus heat exiting from the fuel-cell is directed to the combustion chamber for operating the same.
The above-described generating facility can operate with efficiencies of 50-65% and produce less pollution since the fossil fuel is utilized twice, first by electrochemical action and second by thermodynamic extraction.

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