Electrolytic photodissociation of chemical compounds by iron oxide photochemical diodes

Title: Electrolytic photodissociation of chemical compounds by iron oxide photochemical diodes

Full Record
Other Related Research

Abstract

Chemical compounds can be dissociated by contacting the same with a p/n type semi-conductor photochemical diode having visible light as its sole source of energy. The photochemical diode consists of low cost, readily available materials, specifically polycrystalline iron oxide doped with silicon in the case of the n-type semi-conductor electrode, and polycrystalline iron oxide doped with magnesium in the case of the p-type electrode. So long as the light source has an energy greater than 2.2 electron volts, no added energy source is needed to achieve dissociation.

Inventors:

Somorjai, Gabor A ^[1]; Leygraf, Christofer H ^[1]

Berkeley, CA

Issue Date:: 1985-01-01

Research Org.:: Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

OSTI Identifier:: 865545

Patent Number(s):: 4533608

Assignee:: Regents of University of California (Berkeley, CA)

Patent Classifications (CPCs):: C - CHEMISTRY C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES C25B - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

Show more

C - CHEMISTRY C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES C25B - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS
C25B1/003 - {by photo-electrolysis with or without external current source}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S204/03 - Auxiliary internally generated electrical energy

Show less

DOE Contract Number:: AC03-76SF00098

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: electrolytic; photodissociation; chemical; compounds; iron; oxide; photochemical; diodes; dissociated; contacting; type; semi-conductor; diode; visible; light; sole; source; energy; consists; cost; readily; available; materials; specifically; polycrystalline; doped; silicon; n-type; electrode; magnesium; p-type; electron; volts; added; achieve; dissociation; chemical compounds; light source; energy source; visible light; iron oxide; readily available; oxide doped; sole source; electron volt; electron volts; available materials; chemical compound; type semi-conductor; electrolytic photodissociation; type electrode; photochemical diode; diode consists; /429/204/

Citation Formats


                    Somorjai, Gabor A, and Leygraf, Christofer H. Electrolytic photodissociation of chemical compounds by iron oxide photochemical diodes.  United States: N. p., 1985. 
        Web.

Copy to clipboard


                    Somorjai, Gabor A, & Leygraf, Christofer H. Electrolytic photodissociation of chemical compounds by iron oxide photochemical diodes.  United States.

Copy to clipboard


                    Somorjai, Gabor A, and Leygraf, Christofer H. Tue .  
        "Electrolytic photodissociation of chemical compounds by iron oxide photochemical diodes".  United States.  https://www.osti.gov/servlets/purl/865545.

Copy to clipboard


                    
@article{osti_865545,

  title        = {Electrolytic photodissociation of chemical compounds by iron oxide photochemical diodes},

  author       = {Somorjai, Gabor A and Leygraf, Christofer H},

  abstractNote = {Chemical compounds can be dissociated by contacting the same with a p/n type semi-conductor photochemical diode having visible light as its sole source of energy. The photochemical diode consists of low cost, readily available materials, specifically polycrystalline iron oxide doped with silicon in the case of the n-type semi-conductor electrode, and polycrystalline iron oxide doped with magnesium in the case of the p-type electrode. So long as the light source has an energy greater than 2.2 electron volts, no added energy source is needed to achieve dissociation.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1985},

  month        = {1}

}

Copy to clipboard

Patent:

View Patent

Save / Share:

Export Metadata

Save to My Library

Similar Records in DOE Patents and OSTI.GOV collections:

Electrolytic photodissociation of chemical compounds by iron oxide electrodes

Patent Somorjai, Gabor A [Berkeley, CA]; Leygraf, Christofer H [Berkeley, CA]

Chemical compounds can be dissociated by contacting the same with a p/n type semi-conductor diode having visible light as its sole source of energy. The diode consists of low cost, readily available materials, specifically polycrystalline iron oxide doped with silicon in the case of the n-type semi-conductor electrode, and polycrystalline iron oxide doped with magnesium in the case of the p-type electrode. So long as the light source has an energy greater than 2.2 electron volts, no added energy source is needed to achieve dissociation.
Full Text Available
Inert anode containing oxides of nickel, iron and zinc useful for the electrolytic production of metals

Patent Ray, Siba P [Murrysville, PA]; Weirauch, Jr., Douglas A. (Murrysville, PA); Liu, Xinghua [Monroeville, PA]

An inert anode for the electrolytic production of metals such as aluminum is disclosed. The inert anode includes a ceramic oxide material preferably made from NiO, Fe.sub.2 O.sub.3 and ZnO. The inert anode composition may comprise the following mole fractions of NiO, Fe.sub.2 O.sub.3 and ZnO: 0.2 to 0.99 NiO; 0.0001 to 0.8 Fe.sub.2 O.sub.3 ; and 0.0001 to 0.3 ZnO. The inert anode may optionally include other oxides and/or at least one metal phase, such as Cu, Ag, Pd, Pt, Au, Rh, Ru, Ir and/or Os. The Ni--Fe--Co--O ceramic material exhibits very low solubility in Hall cell baths usedmore » to produce aluminum.« less
Full Text Available
Inert anode containing oxides of nickel iron and cobalt useful for the electrolytic production of metals

Patent Ray, Siba P [Murrysville, PA]; Liu, Xinghua [Monroeville, PA]; Weirauch, Jr., Douglas A. (Murrysville, PA)

An inert anode for the electrolytic production of metals such as aluminum is disclosed. The inert anode includes a ceramic oxide material preferably made from NiO, Fe.sub.2 O.sub.3 and CoO. The inert anode composition may comprise the following mole fractions of NiO, Fe.sub.2 O.sub.3 and CoO: 0.15 to 0.99 NiO; 0.0001 to 0.85 Fe.sub.2 O.sub.3 ; and 0.0001 to 0.45 CoO. The inert anode may optionally include other oxides and/or at least one metal phase, such as Cu, Ag, Pd, Pt, Au, Rh, Ru, Ir and/or Os. The Ni--Fe--Co--O ceramic material exhibits very low solubility in Hall cell baths usedmore » to produce aluminum.« less
Full Text Available
Chemically bonded phosphate ceramics of trivalent oxides of iron and manganese

Patent Wagh, Arun S [Orland Park, IL]; Jeong, Seung-Young [Westmont, IL]

A new method for combining elemental iron and other metals to form an inexpensive ceramic to stabilize arsenic, alkaline red mud wastes, swarfs, and other iron or metal-based additives, to create products and waste forms which can be poured or dye cast.
Full Text Available
Separation of carbon and nitrogen isotopes by selective photodissociation azo or diazo compounds

Patent Chen, Hao-Lin [Walnut Creek, CA]

Separation of isotopes, particularly of carbon or nitrogen, is achieved by the selective photodissociation of an azo compound or a diazoalkane, particularly azomethane or diazomethane.
Full Text Available

Similar Records