ANODE FOR LITHIUM METAL POLYMER SECONDARY BATTERY MADE OF ANODE CURRENT COLLECTOR WITH SURFACE PATTERNING

PROBLEM TO BE SOLVED: To provide an anode for a lithium metal polymer secondary battery made of anode current collector with surface patterning, and manufacturing method of the same. SOLUTION: For the anode for lithium metal polymer secondary battery made of anode current collector having a surface...

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Bibliographische Detailangaben
Hauptverfasser:	HONG YONG SIK, RYU KWANG SUN, LEE YOUNG GI, PARK YONG-JUNG
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 TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an anode for a lithium metal polymer secondary battery made of anode current collector with surface patterning, and manufacturing method of the same. SOLUTION: For the anode for lithium metal polymer secondary battery made of anode current collector having a surface on which a plurality of recesses, recessed in prescribed shape, are formed, and for the manufacturing method of the same, a physical or chemical method is utilized for forming the plurality of recesses on the surface of the anode current collector. By the above, since oxidation/reduction reaction and dendrite formation reaction are generated only in the recess formed by surface patterning of the anode current collector, volumetric expansion and contraction of a battery cell due to the change of the thickness of the lithium anode is restrained, and cycle stability and life property are improved. COPYRIGHT: (C)2006,JPO&NCIPI