Solar chemical

Solar chemical

Solar chemical refers to a number of possible processes that harness solar energy by absorbing sunlight in a chemical reaction in a way similar to photosynthesis in plants but without using living organisms. No practical process has yet emerged.
A promising approach is to use focused sunlight to provide the energy needed to split water into its constituent hydrogen and oxygen in the presence of a metallic catalyst such as zinc. This is normally done is a two step process so that hydrogen and oxygen are not produced in the same chamber leading to potentially explosive consequences.

It is also possible to use solar light to drive industrial chemical reactions and applications without a requirement for fossil fuel.

Photodimerization is the photon induced formation of dimers. As early as 1909, the dimerization of anthracene into dianthracene was investigated as a means of storing solar energy. The photodimerization of the napthalene series has also been investigated. [Bolton (1977), p. 235-237]

Photoisomerization is the photon induced formation of isomers. Ketone, azepine and norbornadiene among other compounds have been investigated as potential energy storing isomers. [Bolton (1977), p. 238-240]

References

* cite book
author=Bolton, James
year=1977
title=Solar Power and Fuels
publisher=Academic Press, Inc.
isbn=0121123502

External links

* [http://solar-thermal.anu.edu.au/high_temp/thermochem/ ANU Thermochemical energy storage system] - Australian National University, Canberra.
* [http://solar.web.psi.ch/ Laboratory for Solar Technology] - Paul Scherrer Institute , Villigen, Switzerland.
* [http://www.memagazine.org/supparch/pemar04/pckgsun/pckgsun.html Power & Energy Magazine] , March 2004 article on Paul Scherrer Institute work
* [http://www.psa.es/webeng/areas/quimica/index.html Solar Chemistry Project] Plataforma Solar de Almería, Spain,
* [http://www.isracast.com/tech_news/090905_tech.htm Isracast] - Israel,
* [http://www.hydrogensolar.com/basics.html Hydrogen Solar] - UK.


Wikimedia Foundation. 2010.

Игры ⚽ Нужен реферат?

Look at other dictionaries:

  • Solar energy — is the light and radiant heat from the Sun that powers Earth s climate and weather and sustains life. Since ancient times it has been harnessed for human use through a range of technologies. Solar radiation along with secondary solar resources… …   Wikipedia

  • Solar thermal energy — Solar thermal system for water heating in Santorini, Greece …   Wikipedia

  • Chemical energy — is the potential of a chemical substance to undergo a transformation through a chemical reaction or, to transform other chemical substances. Breaking or making of chemical bonds involves energy, which may be either absorbed or evolved from a… …   Wikipedia

  • Solar thermal rocket — Solar thermal propulsion is a form of spacecraft propulsion that makes use of solar power to directly heat reaction mass, and therefore does not require an electrical generator as most other forms of solar powered propulsion do. A solar thermal… …   Wikipedia

  • Solar Lake — Bild gesucht  BW Geographische Lage Ägypten, Rotes Meer Zuflüsse …   Deutsch Wikipedia

  • Solar water disinfection — Solar water disinfection, also known as SODIS [ [http://www.sodis.ch sodis.ch] ] is a method of disinfecting water using only sunlight and plastic PET bottles. SODIS is a cheap and effective method for decentralized water treatment, usually… …   Wikipedia

  • Solar Realms Elite — or SRE is a multi player bulletin board system strategy game similar in design to its successor, Barren Realms Elite (BRE). In Solar Realms Elite, players rule a solar empire. The goal is to become and remain the most powerful empire. Players… …   Wikipedia

  • Chemical, Tire, and Process (CTP) Industry Segment — is a critical component of the manufacturing space that processes raw materials into finished goods and intermediate products. The CTP Industry Segment is central to the economy and its goods and services are used directly by consumers (tires,… …   Wikipedia

  • chemical element — Introduction also called  element,         any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed.       This article considers the… …   Universalium

  • Chemical element — The periodic table of the chemical elements A chemical element is a pure chemical substance consisting of one type of atom distinguished by its atomic number, which is the number of protons in its nucleus.[1] Familiar examples of …   Wikipedia

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”