NEGATIVE-ELECTRODE MATERIAL FOR LITHIUM-ION SECONDARY CELL, METHOD FOR MANUFACTURING SAME, NEGATIVE ELECTRODE FOR LITHIUM-ION SECONDARY CELL, AND LITHIUM-ION SECONDARY CELL
A negative-electrode material for a lithium-ion secondary cell, the negative-electrode material containing composite particles having a structure in which a plurality of flat graphite particles are layered, and being such that the grain size distribution D90/D10 of the composite particles is 2.0-5.0...
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Main Authors | , , |
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Format | Patent |
Language | English French Japanese |
Published |
05.08.2021
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Subjects | |
Online Access | Get full text |
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Summary: | A negative-electrode material for a lithium-ion secondary cell, the negative-electrode material containing composite particles having a structure in which a plurality of flat graphite particles are layered, and being such that the grain size distribution D90/D10 of the composite particles is 2.0-5.0, or the grain size distribution D90/D10 of the plurality of flat graphite particles is 2.0-4.4.
L'invention concerne un matériau d'électrode négative pour une cellule secondaire au lithium-ion, le matériau d'électrode négative contenant des particules composites ayant une structure dans laquelle une pluralité de particules de graphite plates sont stratifiées, et étant telle que la distribution granulométrique D90/D10 des particules composites est de 2,0-5,0, ou la distribution granulométrique D90/D10 de la pluralité de particules de graphite plates est de 2,0 à 4,4.
リチウムイオン二次電池用負極材は、複数の扁平状黒鉛粒子が積層された構造を有する複合粒子を含み、前記複合粒子の粒度分布D90/D10が2.0~5.0であるか、前記複数の扁平状黒鉛粒子の粒度分布D90/D10が2.0~4.4である。 |
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Bibliography: | Application Number: WO2020JP03463 |