A secondary battery includes a cathode; an anode (1) including a plurality of carbon particles and a plurality of non-carbon particles, (2) the carbon particles containing graphite, (3) the non-carbon particles containing a material including, as a constituent element, one or more of silicon (Si), tin (Sn), and germanium (Ge), and (4) a distribution of a first-order differential value of an integrated value Q of a relative particle amount with respect to a particle diameter D of the plurality of carbon particles having one or more discontinuities, where a horizontal axis and a vertical axis of the distribution indicate the particle diameter D (μm) and a first-order differential value dQ/dD, respectively; and an electrolyte.
Secondary battery-use active material, secondary battery-use electrode, secondary battery, electric vehicle, and electronic apparatus
31.12.2019
Patent
Elektronische Ressource
Englisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
Europäisches Patentamt | 2017
|Europäisches Patentamt | 2016
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