Positive electrode material for lithium secondary battery and lithium secondary battery

A positive electrode material for lithium secondary battery having high electron conductivity even at very low temperatures and a lithium secondary battery with the use of the positive electrode material are provided. The positive electrode material for lithium secondary battery has secondary partic...

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Main Authors KASAI MASAHIRO, YUASA TOYOTAKA, OGAWA SAI
Format Patent
LanguageEnglish
Published 02.11.2010
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES
NANOTECHNOLOGY
PERFORMING OPERATIONS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES
TRANSPORTING
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Abstract A positive electrode material for lithium secondary battery having high electron conductivity even at very low temperatures and a lithium secondary battery with the use of the positive electrode material are provided. The positive electrode material for lithium secondary battery has secondary particles formed of primary particles made of lithium complex oxides composited with ultrathin carbon fibers having lengths equal to or smaller than the diameters of the secondary particles of the positive electrode active material. The ultrathin carbon fibers have opposite ends from which an electrolytic solution moves in and out.
AbstractList A positive electrode material for lithium secondary battery having high electron conductivity even at very low temperatures and a lithium secondary battery with the use of the positive electrode material are provided. The positive electrode material for lithium secondary battery has secondary particles formed of primary particles made of lithium complex oxides composited with ultrathin carbon fibers having lengths equal to or smaller than the diameters of the secondary particles of the positive electrode active material. The ultrathin carbon fibers have opposite ends from which an electrolytic solution moves in and out.
Author KASAI MASAHIRO
YUASA TOYOTAKA
OGAWA SAI
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Snippet A positive electrode material for lithium secondary battery having high electron conductivity even at very low temperatures and a lithium secondary battery...
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SubjectTerms BASIC ELECTRIC ELEMENTS
ELECTRICITY
MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES
NANOTECHNOLOGY
PERFORMING OPERATIONS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES
TRANSPORTING
Title Positive electrode material for lithium secondary battery and lithium secondary battery
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