AIR-BREATHING CATHODE FOR METAL-AIR BATTERIES

An air-breathing cathode includes (i) a conductive current collector; (ii) a metal-ion conducting medium; and a metal oxide of formula (AA′)a(BB′)bOc. wherein: A and A′ are the same or different and selected from RE (which is yttrium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium,...

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Bibliographische Detailangaben
Hauptverfasser:	SHARMAN, JONATHAN DAVID BRERETON, POTTER, ROBERT JOHN, BALL, SARAH CAROLINE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS THEREFOR BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS ELECTRICITY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INORGANIC CHEMISTRY METALLURGY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	An air-breathing cathode includes (i) a conductive current collector; (ii) a metal-ion conducting medium; and a metal oxide of formula (AA′)a(BB′)bOc. wherein: A and A′ are the same or different and selected from RE (which is yttrium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium), magnesium, calcium, strontium, barium, lithium, sodium, potassium, indium, thallium, tin, lead, antimony or bismuth; B is Ru, Ir, Os, Rh, Ti, Sn, Ge, Mn, Ta, Nb, Mo, W, Zr or Pb; B′ is absent or selected from Ru, Ir, Os, Rh, Ca, Mg, In, Tl, Sn, Pb, Sb, Bi, Ge, Ta, Nb, Mo, W, Zr or RE; c is from 3-11; the atomic ratio of (a+b):c is from 1:1 to 1:2; the atomic ratio of a:b is from 1: 1.5 to 1.5:1 and at least one A and/or A′ is an alkali metal, alkaline earth metal or RE.