Hydrogen fuel cells
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The document provides an overview of hydrogen fuel cells, including their history, types, basic functioning, and connections to electrochemistry, thermodynamics, the environment, and potential applications as an energy source. It discusses how hydrogen fuel cells work through redox reactions at the anode and cathode to produce electricity from hydrogen and oxygen, and are more efficient than combustion engines due to their electrochemical rather than combustion process. It also notes that hydrogen fuel cells can be powered through renewable energy sources like electrolysis of water using solar or hydro power.
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This presentation provides an overview of fuel cells, including their design, operation, types, advantages/disadvantages, and applications. It discusses how fuel cells work by electrochemically combining hydrogen and oxygen to produce electricity and water. The document outlines different classifications of fuel cells based on temperature, electrolyte, physical state of fuel used. It also compares fuel cells to batteries and internal combustion engines. Recent developments and applications of fuel cells in areas like transportation, power generation, and specialty uses are presented.
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Fuel cells generate electricity through an electrochemical reaction without combustion. They convert chemical energy stored in hydrogen fuel into electricity. Fuel cells were first demonstrated in 1839 and the first practical fuel cell was developed in 1959. Key parts include an anode, cathode, catalyst and electrolyte. Hydrogen ions pass through the electrolyte and electrons travel through an external circuit to generate electricity. Fuel cells have various applications and advantages like high efficiency and low emissions but also have disadvantages like high costs. Different types of fuel cells operate at different temperatures using different fuels and electrolytes.
FUEL CELL HYDROGEN GUEL CELL , HYDROGEN CAR , FUTURE OF AUROMOBILERISHI DHAR...
FUEL CELL ,HYDROGEN FUEL CELL , HYDROGEN CAR , FUTURE OF AUTOMOBILE,, HYDROGEN FUEL CELL PPT RISHI DHAR GANDHI
Automobile Fuel cell.pptx
A fuel cell is an electrochemical device that combines hydrogen and oxygen to produce electricity through an electrochemical process. There are several types of fuel cells including proton exchange membrane fuel cells, alkaline fuel cells, direct methanol fuel cells, phosphoric acid fuel cells, molten carbonate fuel cells, solid oxide fuel cells, microbial fuel cells, and zinc air fuel cells. Hydrogen fuel cells work by converting hydrogen and oxygen into water and can power vehicles without harmful emissions as long as they have a fuel source.
Power generation using fuel cell
1. The document discusses large power generation using fuel cells. It provides an overview of fuel cells, including their principle of operation, main components, and different types.
2. Applications of fuel cells are discussed, including their use in commercial establishments, entertainment, hotels, hospitals, and residential complexes.
3. Advantages of fuel cells include high energy conversion efficiency, low pollution, reduction of transmission losses, fossil fuel savings, and low maintenance costs. Disadvantages include high initial costs and difficulties with hydrogen handling and storage.
Fuel cells by argonne
This document discusses fuel cells and provides an overview of their history, types, and challenges. It summarizes that fuel cells directly convert chemical energy from fuels into electricity through electrochemical reactions, unlike batteries which store energy chemically. The main types of fuel cells covered are polymer electrolyte membrane fuel cells (PEMFCs), alkaline fuel cells, phosphoric acid fuel cells, molten carbonate fuel cells, and solid oxide fuel cells. Key challenges to commercialization are increasing durability, reducing costs, and improving performance.
Fuel cell
Different types of fuel cell-
1.Polymer electrolyte membrane (PEM) fuel cells
2.Direct methanol fuel cells
Alkaline fuel cells
3.Phosphoric acid fuel cells
4.Molten carbonate fuel cells
5.Solid oxide fuel cells
6.Reversible fuel cells.
Modern applications of fuel cell and its use in automobile industries
General fuel cell
I Hope You all like it very much. I wish it is beneficial for all of you and you can get enough knowledge from it. Clear and appropriate objectives, in terms of what the audience ought to feel, think, and do as a result of seeing the presentation. Objectives are realistic – and may be intermediate parts of a wider plan.
Hydrogen fuel cell by mukul solanki
Hydrogen: Fuel Of The Future. The detail view of Hydrogen fuel cell can get from this presentation. Simple, Basic and Structured Information.
Ppt on hydrogen fuel cell
The document discusses hydrogen fuel cells, including their history, working principles, types, and applications. It provides the following key points:
- Hydrogen fuel cells were discovered in 1838 and work by combining hydrogen and oxygen to efficiently produce electricity and water. This is done through an electrochemical process without combustion.
- There are several types of fuel cells including proton exchange membrane, phosphoric acid, solid oxide, and alkaline fuel cells, which differ in their electrolyte and operating temperatures.
- Fuel cells have many potential applications from transportation to backup power and are more efficient than combustion engines. They produce only water and heat as byproducts, making them a cleaner alternative to fossil fuels.
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Hydrogen fuel cells
- 1. HYDROGEN FUEL CELLS Karen Wang Joey Liu
- 3. INTRODUCTION Fuel Cell Overview
- 7. How Do Fuel Cells Work? HYDROGEN FUEL CELLS & ELECTROCHEMISTRY
- 11. Types of Fuel Cells Connection 3 HYDROGEN FUEL CELLS ALKALINE & PEM FUEL CELLS
- 18. HYDROGEN FUEL CELLS AS AN ENERGY SOURCE
Editor's Notes
- Fuel cells have been discovered for about 150 years, in the 19 th century, there was a rapid increase of its knowledge, but it is only recently that they have become prominent technology. Fuel cells are increasingly relevant in today’s technological world, as can be seen in electric cars and NASA technology.
- Components: 2 electrodes – pos&neg – cathode & anode, electrolyte
- Same as combustion of hydrogen (exothermic) Fuel cell: produces energy in the form of electricity H2 is led to the anode, tow which it may lose e- and thereby form H+ Ions capable of diffusing through the electrolyte, while e- flow through the external circuit. Gaseous oxygen is similarly led to the cathode, combines with returning e- from the circuit and H+ from the electrolyte
- Converts 25% of the chemical energy of the fuel into the kinetic energy of the car. Rechargeable batteries – run down quickly.
- Even better, since fuel cells create electricity chemically, rather than by combustion, they are not subject to the thermodynamic laws that limit a conventional power plant
- The automobile internal combustion engines use gasoline as fuel, produce CO2, NOx, & volatile organic compounds.