MANGANESE DIOXIDE / HYDROTALCITE INORGANIC NANO FLAKE COMPOSITE FILM AND ITS PREPARATION METHOD

WIPO Patent Application WO/2008/046343

A1

A manganese dioxide / hydrotalcite inorganic nano flake composite film and its preparation are provided. The technical field belongs to material of inorganic film and its preparation. The chemical composition general formula of the composite film is (ns-MnO2 / ns-LDHs)m, in which ns-MnO2 is manganese dioxide nano flake, from which a laminated sheet with negative charge is formed, ns-LDHs is hydrotalcite nano flake, from which a laminated sheet with positive charge is formed, m is layer number of said composite film, m is greater than or equal to 1. By utilizing electrostatic self-assembly technique, the manganese dioxide nano flake, from which a laminated sheet with negative charge is formed, and the hydrotalcite nano flake, from which a laminated sheet with positive charge is formed, are successively assembled on the surface treated substrate, thereby obtaining said inorganic nano flake composite film. The inorganic nano flake composite film can be used as UV shielding material or electrode material of alkaline battery, in addition, the inorganic nano flake composite film can be used in the field of photovoltaic conversion, photoelectrocatalysis, sensor of electrochemistry and so on.

YANG WENSHENG (CN)
WANG YI (CN)
ZHANG XIONG (CN)

PCT/CN2007/070829

April 24, 2008

September 29, 2007

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UNIV BEIJING CHEMICAL (CN)
YANG WENSHENG (CN)
WANG YI (CN)
ZHANG XIONG (CN)

C01G1/00; H01M4/50

CN1948159A	2007-04-18
CN1467177A	2004-01-14
CN1827702A	2006-09-06
CN1800016A	2006-07-12

BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (Block A Corporate SquareNo. 35 Jinrong Street, Beijing 2, CN)

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