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Title: Direct fired reciprocating engine and bottoming high temperature fuel cell hybrid

Abstract

A system of a fuel cell bottoming an internal combustion engine. The engine exhaust gas may be combined in varying degrees with air and fed as input to a fuel cell. Reformer and oxidizers may be combined with heat exchangers to accommodate rich and lean burn conditions in the engine in peaking and base load conditions without producing high concentrations of harmful emissions.

Inventors:
 [1];  [2]
  1. New Alexandria, PA
  2. McMurray, PA
Publication Date:
Research Org.:
National Energy Technology Laboratory
Sponsoring Org.:
USDOE
OSTI Identifier:
908603
Patent Number(s):
6,994,930
Application Number:
10/225,722
Assignee:
The United States of America as represented by the United States Department of Energy (Washington, DC) OSTI
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE

Citation Formats

Geisbrecht, Rodney A, and Holcombe, Norman T. Direct fired reciprocating engine and bottoming high temperature fuel cell hybrid. United States: N. p., 2006. Web.
Geisbrecht, Rodney A, & Holcombe, Norman T. Direct fired reciprocating engine and bottoming high temperature fuel cell hybrid. United States.
Geisbrecht, Rodney A, and Holcombe, Norman T. Tue . "Direct fired reciprocating engine and bottoming high temperature fuel cell hybrid". United States. doi:. https://www.osti.gov/servlets/purl/908603.
@article{osti_908603,
title = {Direct fired reciprocating engine and bottoming high temperature fuel cell hybrid},
author = {Geisbrecht, Rodney A and Holcombe, Norman T},
abstractNote = {A system of a fuel cell bottoming an internal combustion engine. The engine exhaust gas may be combined in varying degrees with air and fed as input to a fuel cell. Reformer and oxidizers may be combined with heat exchangers to accommodate rich and lean burn conditions in the engine in peaking and base load conditions without producing high concentrations of harmful emissions.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Feb 07 00:00:00 EST 2006},
month = {Tue Feb 07 00:00:00 EST 2006}
}

Patent:

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  • A power plant for the generation of electricity utilizes high temperature fuel cells, such as molten carbonate fuel cells, as its main power supply. Part of the oxidant exhaust stream from the fuel cell is recycled through the fuel cell. Waste energy from the fuel cell in the form of exhaust gases, such as part of the oxidant exhaust, drives a turbocharger for compressing the oxidant used in the fuel cell. In a preferred embodiment the oxidant exhaust also is the source of energy for powering a bottoming cycle, such as a steam driven turbogenerator. Power plant efficiency is improvedmore » by making maximum use of the energy and heat generated within the system.« less
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