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3 edition of Assessment of the environmental aspects of the DOE Phosphoric Acid Fuel Cell Program found in the catalog.

Assessment of the environmental aspects of the DOE Phosphoric Acid Fuel Cell Program

Herbert L Lundblad

Assessment of the environmental aspects of the DOE Phosphoric Acid Fuel Cell Program

by Herbert L Lundblad

  • 348 Want to read
  • 10 Currently reading

Published by The Center in Cleveland, Ohio .
Written in English

    Subjects:
  • Morgantown Energy Technology Center. -- Phosphoric Acid Fuel Cell Program,
  • Fuel cells -- Environmental aspects -- United States,
  • Phosphoric acid -- Environmental aspects -- United States

  • Edition Notes

    StatementHerbert L. Lundblad and Ronald R. Cavagrotti ; prepared for National Aeronautics and Space Administration, Lewis Research Center under purchase order C-42701-D for U.S. Department of Energy, Morgantown Energy Technology Center under interagency agreement DE-AI-21-80ET17088
    SeriesNASA CR -- 168131, NASA contractor report -- 168131
    ContributionsCavagrotti, Ronald R, Lewis Research Center, Morgantown Energy Technology Center, Aerospace Corporation. Government Support Operations
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL14927726M

    supply, fuel cell systems, and. sustainable development – To examine. environmental. burdens in an integrated regional assessment approach that also takes into account the. economic. and. social. aspects of hydrogen supply chains and the FCEV life cycle. FY18 Objectives: – Model various future. scenarios. of hydrogen infrastructure. Phosphoric Acid Fuel Cells (PAFC) Phosphoric Acid Fuel Cells were the first fuel cells to become commercially viable. According to the U.S. Dept of Energy, more than phosphoric acid fuel cells were deployed in stationary applications in both the United States and abroad.

    @article{osti_, title = {An Overview of Stationary Fuel Cell Technology}, author = {DR Brown and R Jones}, abstractNote = {Technology developments occurring in the past few years have resulted in the initial commercialization of phosphoric acid (PA) fuel cells. Ongoing research and development (R and D) promises further improvement in PA fuel cell technology, as well as the development of. molten carbonate fuel cell (MCFC) and phosphoric acid fuel cell (PAFC) stationary fuel cell power plants. The MCFC analysis was performed by Dr. Robert Remick at the National Renewable Energy Laboratory (NREL), and the PAFC analysis was performed by Douglas Wheeler of DJW Technology, LLC. The MCFC developer, FuelCell Energy, Inc., of Danbury.

    Fuel Cells 1 The U.S. EPA Environmental Technology Verification (ETV) Program’s Greenhouse Gas Technology (GHG) Center, operated by Southern Research Institute under a cooperative agreement with EPA, has verified the per-formance of two fuel cell technologies that generate elec-tricity at the point of use.1 The GHG Center has collabo-. Phosphoric acid fuel cells (PAFCs) consist of an anode and a cathode made of a finely dispersed platinum catalyst on carbon and a silicon carbide structure that holds the phosphoric acid electrolyte. They are quite resistant to poisoning by carbon monoxide but tend to have lower efficiency than other fuel cell types in producing electricity.


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Assessment of the environmental aspects of the DOE Phosphoric Acid Fuel Cell Program by Herbert L Lundblad Download PDF EPUB FB2

Assessment of the environmental aspects of the Department of Energy phosphoric acid fuel cell program: Responsibility: Herbert L. Lundblad and Robert R. Cavagrotti. Assessment of the environmental aspects of the DOE phosphoric acid fuel cell program. Cleveland, Ohio: National Aeronautics and Space Administration, Lewis Research Center, May (OCoLC) Nov 01,  · The previously demonstrated phosphoric acid fuel cells have entered the marketplace with more than power plants delivered.

Highlighting this commercial entry, the phosphoric acid power plant fleet has demonstrated 95+% availability and several units have passed 40, hours of operation. One unit has operated over 49, gulfpbc.com by: 2. The goals of the DOE Fuel Cell Systems R D Program are: to develop and evaluate fuel cell systems in the nation's transportation sector, which will provide data and information for industry to make decisions on the merits of developing fuel cell systems as a future commercial product to use as a power source for transportation applications; and to reduce US petroleum consumption significantly and improve.

Economic and environmental potential of medium-scale combined heat and power (CHP) systems in the residential sector was assessed by introducing a kW el-scale phosphoric acid fuel cell (PAFC)-based CHP system into an apartment building in New York City.

Simulation-based analyses were carried out under two different CHP operation strategies; electrical-load-following (ELF) and thermal Cited by: FUEL CELLS AND BATTERIES gulfpbc.com ABDUL‐ZEHRA (PAFCs) The phosphoric acid fuel cell (PAFC) was the first fuel cell technology to be commercialized.

The number of units built exceeds any other fuel cell technology, with over 85 MW of and the reactant gas environment on the other.

Abstract. The phosphoric acid fuel cell (PAFC), as its name implies, uses phosphoric acid as the electrolyte. Electric power is produced by feeding hydrogen-rich and CO 2-containing reformate gas to the anode and air to the gulfpbc.comnce for CO 2 is one of the characteristic features of PAFCs.

Basic technical features of PAFC have been reviewed in Chapter gulfpbc.com by: 4. Phosphoric acid fuel cell (PAFC) anodes accelerate the hydrogen oxidation reaction rate in phosphoric acid.

The anode materials must be stable at high operating temperature in phosphoric acid. During operation, hydrogen starvation may cause reverse polarization and electrochemical corrosion of the anode material. FY Annual Progress Report DOE Hydrogen and Fuel Cells Program David L.

Greene Oak Ridge National Laboratory (ORNL) NTRC, MS of the Fuel Cell Technologies Program Multi-Year Research, (forklifts), micro-CHP; for larger phosphoric acid and molten carbonate fuel cells, CHP and grid-independent stationary power.

gulfpbc.com G. Speight, in Environmental Inorganic Chemistry for Engineers, Phosphoric Acid. Phosphoric acid (H 3 PO 4, also known as orthophosphoric acid or phosphoric (V) acid) is a mineral inorganic gulfpbc.comhosphoric acid refers to phosphoric acid in which the prefix ortho is used to distinguish the acid from related phosphoric acids, called polyphosphoric acids.

operation and cell structure of phosphoric acid fuel cells are discussed, as well as the features derived from them. Introduction Fuel cells, which use phosphoric acid solution as the electrolyte, are called phosphoric acid fuel cells (PAFCs). As Eq. 1 indicates, the phosphoric acid in aqueous solution.

A fuel cell converts the chemical energy of a fuel and oxidant directly to electrical energy. There are many types of fuel cells, and the system utilizing a phosphoric acid electrolyte operating at /sup 0/F is the near-term technology with possible commercial introduction in the mid's.

Dec 01,  · Phosphoric acid. HT-PEM. High-temperature polymer electrolyte membrane fuel cell. Ionic resistance. Resistance for the flow of H + through the electrolyte matrix.

Kilo watts. Natural gas. O 2. Oxygen. PAFC. Phosphoric acid fuel cell. PAN. Polyacrylonitrile. Performance decay.

Loss of fuel cell performance due to kinetic, ionic, or mass Cited by: 1. Molten carbonate fuel cells, when coupled with a turbine, can reach efficiencies approaching 65%, considerably higher than the 37%–42% efficiencies of a phosphoric acid fuel cell plant.

When the waste heat is captured and used, overall fuel efficiencies can be over 85%. Abstract. Of the hydrogen-oxygen fuel cell systems the most mature is the phosphoric acid fuel cell (PAFC). It operates at –°C and pressure ranging from ambient to 5 atm.

PAFC systems use primarily Pt as catalyst both for hydrogen and oxygen gulfpbc.com by: 3. In the phosphoric acid fuel cell, concentrated phosphoric acid serves as the electrolyte, and the temperature of operation is – °C.

At room temperature, orthophosphoric acid, H 3 PO 4, is not usually thought of as a strong gulfpbc.com the temperature increases though, the acid becomes successively dehydrated, xH 2 OyP 2 O 5 → (x − 1) H 2 OyP 2 O 5 + H 2 O and is corrosive at °gulfpbc.com by: 1.

The phosphoric acid fuel cell was the first fuel cell technology to approach commercialization. There have been only minor changes in cell design in recent years.

The major US manufacturer, UTC Fuel Cells, has concentrated on improving cell stability and life, and in improving the reliability of system components at reduced cost. The U. Department of Energy (DOE) chartered the Phosphoric Acid Fuel-Cell (P AFC) Bus Program to demonstrate the feasibility of fuel cells in heavy-duty transportation systems.

As part of this program, P AFC­ powered buses are being built to meet transit. This study demonstrates that phosphoric acid fuel cells with power density values as high as mW cm−2 are realizable by employing a combination of SiC and ZrSiO4 as an electrolyte matrix, and.

Phosphoric acid fuel cells are a type of fuel cell that uses liquid phosphoric acid as an electrolyte. They were the first fuel cells to be commercialized. Developed in the mids and field-tested since the s, they have improved significantly in stability, performance, and cost.

Such characteristics have made the PAFC a good candidate for early stationary applications. Fuel Cell Technical Publications. Fuel Cell Technologies Office.

Patent Analysis for the U.S. Department of Energy Fuel Cell Technologies Office (Pacific Northwest National Laboratory, Molten Carbonate and Phosphoric Acid Stationary Fuel Cells: Overview and Gap Analysis (National Renewable Energy Laboratory.Fuel cell power systems possess certain generic characteristics, which may make them favorable for future power production compared with devices based primarily on rotating machinery using thermomechanical processes.

Many of these operational characteristics of fuel cell systems are superior to those of conventional power gulfpbc.com by: ENVIRONMENTAL, HEALTH, AND SAFETY ISSUES OF FUEL CELLS IN TRANSPORTATION.

VOLUME 1: PHOSPHORIC ACID FUEL-CELL BUSES. The U.S. Department of Energy (DOE) chartered the Phosphoric Acid Fuel-Cell (PAFC) Bus Program to demostrate the feasibility of fuel cells in heavy-duty transportation gulfpbc.com: S Ring.