Title:
POSITIVE ELECTRODE FOR LITHIUM-AIR BATTERY, METHOD FOR MANUFACTURING SAME, AND LITHIUM-AIR BATTERY COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2016/093411
Kind Code:
A1
Abstract:
The present invention relates to a positive electrode for a lithium-air battery, a method for manufacturing the same, and a lithium-air battery comprising the same. The present invention comprises: a core formed in a needle shape and comprising a cobalt oxide or an oxide containing two or more metals selected from the group consisting of nickel, cobalt, manganese, zinc, iron, copper, and chrome; and a shell formed in a flake shape and comprising a manganese oxide. Such a core-shell structure can retain excellent capacitance characteristics of a transition metal oxide, lower the charging voltage of the lithium-air battery, and increase the cycle lifespan. In addition, the positive electrode for a lithium-air battery according to the present invention can be manufactured without containing carbon and a binder.
Inventors:
LEE JONG-WON (KR)
JUNG KYU-NAM (KR)
SHIN KYUNG-HEE (KR)
SONG RAK-HYUN (KR)
PARK SEOK-JOO (KR)
LEE SEUNG-BOK (KR)
LIM TAK-HYOUNG (KR)
AHMER RIAZ (PK)
JUNG KYU-NAM (KR)
SHIN KYUNG-HEE (KR)
SONG RAK-HYUN (KR)
PARK SEOK-JOO (KR)
LEE SEUNG-BOK (KR)
LIM TAK-HYOUNG (KR)
AHMER RIAZ (PK)
Application Number:
PCT/KR2014/012400
Publication Date:
June 16, 2016
Filing Date:
December 16, 2014
Export Citation:
Assignee:
KOREA ENERGY RESEARCH INST (KR)
International Classes:
H01M4/86; H01M4/88; H01M4/90; H01M12/08
Foreign References:
| JP2012143753A | 2012-08-02 | |||
| KR20140049868A | 2014-04-28 | |||
| KR20140126805A | 2014-11-03 | |||
| KR20130112971A | 2013-10-15 |
Other References:
LI, JIAXIN ET AL.: "MnO2 Nanoflakes coated on Multi-Walled Carbon Nanotubes for Rechargeable Lithium-Air Batteries.", ELECTROCHEMISTRY COMMUNICATIONS, vol. 13, no. 7, 28 April 2011 (2011-04-28), pages 698 - 700, XP028224816, Retrieved from the Internet doi:10.1016/j.elecom.2011.04.013
Attorney, Agent or Firm:
NOH, Kyong-kyu (KR)
노경규 (KR)
노경규 (KR)
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