NANOSCALE PARTICLES USED IN NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME

A nanosized particle has a first phase that is a simple substance or a solid solution of element A, which is Si, Sn, Al, Pb, Sb, Bi, Ge, In or Zn, and a second phase that is a compound of element D, which is Fe, Co, Ni, Ca, Sc, Ti, V, Cr, Mn, Sr, Y, Zr, Nb, Mo, Ru, Rh, Ba, lanthanoid elements (not i...

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Main Authors ABE HIDETOSHI, TANI TOSHIO, NISHIMURA TAKESHI, SHIMADA MICHIHIRO, EGURO TAKASHI, KUBOTA MASAAKI
Format Patent
LanguageEnglish
Korean
Published 27.09.2013
Subjects
BASIC ELECTRIC ELEMENTS
CASTING
ELECTRICITY
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
PERFORMING OPERATIONS
POWDER METALLURGY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
TRANSPORTING
WORKING METALLIC POWDER
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Summary:A nanosized particle has a first phase that is a simple substance or a solid solution of element A, which is Si, Sn, Al, Pb, Sb, Bi, Ge, In or Zn, and a second phase that is a compound of element D, which is Fe, Co, Ni, Ca, Sc, Ti, V, Cr, Mn, Sr, Y, Zr, Nb, Mo, Ru, Rh, Ba, lanthanoid elements (not including Ce and Pm), Hf, Ta, W or Ir, and element A, or a compound of element A and element M, which is Cu, Ag, or Au. The first phase and second phase are bound via an interface, and are exposed to the outer surface. The surface of the first phase other than the interface is approximately spherical. Furthermore, a lithium ion secondary battery includes the nanosized particle as an anode active material.
Bibliography:Application Number: KR20137011279