LITHIUM-AIR SECONDARY BATTERY, AND METHOD OF MANUFACTURING AIR ELECTRODE OF THE SAME

PROBLEM TO BE SOLVED: To provide a novel lithium-air secondary battery, exhibiting more superior cycle characteristics and energy efficiency, and to provide a method of manufacturing an air electrode of the same. SOLUTION: The lithium-air secondary battery has the air electrode 1 mainly composed of...

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Hauptverfasser:	ELLY SETIAWATI, TAKAHASHI MASAYA, MINOWA HIRONOBU, MASASHIRO TAKAHISA, HAYASHI MASAHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS 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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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a novel lithium-air secondary battery, exhibiting more superior cycle characteristics and energy efficiency, and to provide a method of manufacturing an air electrode of the same. SOLUTION: The lithium-air secondary battery has the air electrode 1 mainly composed of carbon, a negative electrode 2 including metallic lithium or a lithium-containing substance, and an organic electrolyte 3 contacting the air electrode 1 and the negative electrode 2. Ruthenium (Ru) oxide is added to the air electrode 1. As a result, since a voltage difference of charge and discharge is small, and deterioration of a discharge capacity can be suppressed even if charge and discharge cycles are repeated, more superior cycle characteristics and energy efficiency can be exhibited. COPYRIGHT: (C)2011,JPO&INPIT