POROUS MANGANESE OXIDE-BASED LITHIUM ABSORBENT HAVING A SPINEL TYPE STRUCTURE, AND METHOD OF FABRICATING SAME

WIPO Patent Application WO/2013/015531

A2

The present invention relates to a method of fabricating a porous manganese oxide-based lithium absorbent. The method of fabricating the porous manganese oxide-based lithium absorbent includes: a step of mixing a reaction material for synthesizing lithium-manganese precursors with an inorganic binder to prepare a mixture; a step of molding the mixture; a step of thermally treating the molded mixture to fabricate a porous lithium-manganese precursor molded product; and a step of acidifying the porous lithium-manganese precursor molded product to change lithium ions into hydrogen ions. Here, in the thermal treatment process, a gas may be generated to form pores in the porous lithium-manganese precursor molded product. The porous manganese oxide-based lithium absorbent according to the present invention may be easily handled and provide more absorption reaction sites than an existing molded absorbent to improve lithium absorption efficiency.

CHUNG KANG SUP (KR)
RYU TAE GONG (KR)
KIM BYOUNG GYU (KR)
RYU JUNG HO (KR)

PCT/KR2012/005031

January 31, 2013

June 26, 2012

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KOREA INST GEOSCIENCE & MINERA (KR)
CHUNG KANG SUP (KR)
RYU TAE GONG (KR)
KIM BYOUNG GYU (KR)
RYU JUNG HO (KR)

B01J20/06; B01J20/04; B01J20/30; C01G45/02; H01M4/505

KR100536957B1	2005-12-14
KR100972140B1	2010-07-23
KR20080045626A	2008-05-23
US5198081A	1993-03-30

KIM, SOON WOONG (KR)
김순웅 (KR)

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