Heat-tolerant battery and charging/discharging method thereof

Heat-tolerant battery and charging/discharging method thereof

A heat tolerant battery provided with: a positive electrode that contains a positive electrode current collector and a positive electrode active material that is fixed to the positive electrode current collector, said positive electrode active material containing a sodium-containing transition metal...

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Hauptverfasser: FUKUNAGA ATSUSHI, ITANI EIKO, NUMATA KOMA, SAKAI SHOICHIRO, INAZAWA SHINJI, NITTA KOJI
Format: Patent
Sprache:eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator FUKUNAGA ATSUSHI
ITANI EIKO
NUMATA KOMA
SAKAI SHOICHIRO
INAZAWA SHINJI
NITTA KOJI
description A heat tolerant battery provided with: a positive electrode that contains a positive electrode current collector and a positive electrode active material that is fixed to the positive electrode current collector, said positive electrode active material containing a sodium-containing transition metal compound capable of electrochemically storing and discharging sodium ion; a negative electrode that contains a negative electrode current collector and a negative electrode active material that is fixed to the negative electrode current collector, said negative electrode active material containing at least one member selected from the group consisting of a sodium-containing titanium compound and hardly graphitizable carbon that are capable of storing and discharging sodium ion at a lower potential than the sodium-containing transition metal compound ; and a sodium ion-conductive electrode that is at least interposed between the positive electrode and the negative electrode and contains a salt of an organic cation having a pyrrolidinium skeleton with a bis(perfluoroalkylsulfonyl)imide anion.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Heat-tolerant battery and charging/discharging method thereof
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