Advantages And Disadvantages Of Hydrogen Energy Environmental Sciences Essay

Hydrogen is a combination of the Grecian words “ Hydro ” and “ Genes ” intending “ H2O ” and “ generator ” . It is the first component in the periodic tabular array. Hydrogen is the chief constituent of H2O, which covers over 60 % of the planet ‘s surface. 1Hydrogen is the most abundant component in the universe, although it besides exists as a free gas on Earth. Currently H is produced chiefly from fossil fuels for industrial intents in crude oil refinement, chemical production, metal fabrication and electronics production.

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Hydrogen engineerings are the engineerings will tie in with the production & A ; usage of H. Hydrogen engineering is the key to the promotion and betterment of fuel cells running on natural gas for domestic combined heat and power systems and for the distribution of electricity. Hydrogen engineerings can replace unqualified traditional burning engineerings which waste up to 2 / 3 of the fuel used.

There are different ways of doing H in the UK. The most cheap manner is to change over natural gas into H by a procedure called reformation. The Reforming of natural gas into a H produces CO2 but no more than firing it. However, utilizing the H in a H fuel cell or utilizing the natural gas itself in a natural gas fuel cell.The best usage from natural gas is to utilize it as in fuel cells, either straight or reforming it into H.

2.2 FUEL CELL

A fuel cell integrates H with O from the air in a chemical reaction, bring forthing electricity. 7 One of the fuel cell types is for conveyance, ( the proton exchange membrane fuel cell and it consists of two electrodes, and it is separated by a membrane. )

2.3 UK DEVELOPMENT PATH

Hydrogen usage in the UK start with conveyance peculiarly for fuelling fleet vehicles and coachs.

‘U.K. Technology Strategy Board ( TSB ) Awards ?9m to Aid Hydrogen Fuel Cell Development ‘

Beginning: Energy engineering companies are set to have ?9 million of support for undertakings affecting fuel cells and H engineerings, it was announced today ( August 28 ) .

The authorities sponsored Technology Strategy Board ( TSB ) is to put the money, along with a farther ?500,000 from authorities bureau the Engineering and Physical Sciences Research Council ( EPSRC ) , into nine H fuel cell undertakings. ‘

8 ” Airbus to take off with fuel cell subsidiary power “

October 9, 2009 – by Lisa Sibley, Cleantech Group

UK-based Intelligent Energy says its engineering is expected to assist the Gallic aircraft maker cut down emanations and lessening fuel ingestion

9Hydrogen fuel cell intercrossed coachs to hit the route in Sunderland

10 November 2009

Two H fuel cell intercrossed coachs are set to hit the streets of Sunderland, UK as portion of a alone R & A ; D plan that is conveying Chinese expertness to the part.

The UK regional development bureau One North East has invested ?314A 000 ( US $ 523A 000 ) to patronize the ECO2Trans H coachs undertaking, which is change overing two electric Gulliver U500EUK buses into H vehicles utilizing a fuel cell, battery and capacitance combination.

4’The H fuel cell coachs being introducedA in London will utilize an electric motor, with the H stored in armored combat vehicles on the roof. ‘

3. substructure FOR a H economic system IN the UK

7An ‘infrastructure ‘ is defined as a aggregation of engineerings that are connected together in a specified manner and are grouped into the undermentioned five classs:

aˆ? beginnings of energy

aˆ? transition ( including compaction )

aˆ? fuel transit

aˆ? storage

aˆ? demand.

The proficient theoretical account of H substructures developed on a nodal web construction.

Transporting H is a really of import portion of the cost of the transfered merchandise. The design of substructure includes the gas grapevines and rail lines for presenting inputs for bring forthing H that will be an built-in portion of the bringing system. The chief challenges in accomplishing the best bringing system include choice of the site for H production and set uping a possible transit network.The H substructure in the UK was evaluate current and possible H production and storage options.

The cardinal findings of the research were that there are three chief countries where H is produced at a commercial graduated table. These countries are the

Northwest of England,

Teeside ( England ) and

South Wales.

The substructure scenarios focus on two H production technologies-steam reforming of natural gas and electrolysis of water-and the different graduated tables at which such works can be installed.

The bulk of H is produced by stream reformation of natural gas, although a proportion of worldwide H is produced as a byproduct of Ethylene production via checking. Most Liquid H is besides imported from France, nevertheless it is really expensive.

In the short to medium term, the available gas production and supply system is incapable of back uping a major enlargement of the usage of H in fuel cell.

11 ” Hydrogen substructure for refuelling London coachs. ”

Imperial College London is analyzing passage schemes for a H substructure for vehicle refueling in London under a undertaking funded by the UK Engineering and Physical Sciences Research Council ( EPSRC ) . Imperial has five undertaking spouses from industry and local authorities to help in this survey: the Greater London Authority ( GLA ) , BP, BOC, BMW and Air Products.