公开(公告)号：US20220181694A1

公开(公告)日：2022-06-09

申请号：US17457336

申请日：2021-12-02

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Katsuhiko NAGAYA ,  Shinobu OKAYAMA ,  Nobuhiro OGIHARA ,  Yasuhito KONDO ,  Tsuyoshi SASAKI

IPC: H01M10/0568 ,  H01M10/0569

Abstract: A main object of the present disclosure is to provide a composition capable of conveniently feeding carrier ions which contribute to charge and discharge. The present disclosure achieves the object by providing an electrolyte solution-containing liquid composition for use to feed carrier ions to a non-aqueous electrolyte secondary battery, the electrolyte solution-containing liquid composition comprises a liquid composition including a solvent and a dissolved substance; and an electrolyte solution, a content of the electrolyte solution in the electrolyte solution-containing liquid composition is 30% by volume or more and 50% by volume or less, the solvent includes 1,2-dimethoxyethane, the dissolved substance includes an ionic compound, the ionic compound is composed of a radical anion of an aromatic compound and a metal cation, the aromatic compound is polyacene or polyphenyl, and the metal cation being an ion of the same type as the carrier ions.

公开(公告)号：US20230021456A1

公开(公告)日：2023-01-26

申请号：US17898659

申请日：2022-08-30

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Katsuhiko NAGAYA ,  Shinobu OKAYAMA ,  Yukimasa NISHIDE ,  Nobuhiro OGIHARA ,  Yasuhito KONDO ,  Tsuyoshi SASAKI

IPC: H01M10/42 ,  H01M10/0568 ,  H01M10/44 ,  H01M10/0569

Abstract: A liquid composition is for use to feed carrier ions to a non-aqueous electrolyte secondary battery. The liquid composition includes a solvent and a dissolved substance. The dissolved substance includes an ionic compound. The ionic compound consists of a radical anion of an aromatic compound and a metal cation. The aromatic compound is a polyacene or a polyphenyl. The metal cation is an ion of the same type as the carrier ions.

公开(公告)号：US20210083334A1

公开(公告)日：2021-03-18

申请号：US17004247

申请日：2020-08-27

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Katsuhiko NAGAYA ,  Shinobu OKAYAMA ,  Yukimasa NISHIDE ,  Nobuhiro OGIHARA ,  Yasuhito KONDO ,  Tsuyoshi SASAKI

IPC: H01M10/42 ,  H01M10/0569 ,  H01M10/44 ,  H01M10/0568

Abstract: A liquid composition is for use to feed carrier ions to a non-aqueous electrolyte secondary battery. The liquid composition includes a solvent and a dissolved substance. The dissolved substance includes an ionic compound. The ionic compound consists of a radical anion of an aromatic compound and a metal cation. The aromatic compound is a polyacene or a polyphenyl. The metal cation is an ion of the same type as the carrier ions.

公开(公告)号：US20250020724A1

公开(公告)日：2025-01-16

申请号：US18748099

申请日：2024-06-20

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Mai FUJIWARA ,  Yuji NISHI ,  Shingo KAWAHARA ,  Hiroki KONDO ,  Tsuyoshi SASAKI

IPC: G01R31/367 ,  G01R31/3842 ,  H01M10/42 ,  H01M10/44

Abstract: A positive electrode active material includes: a rich phase; a poor phase; and a two-phase coexistence phase in which the rich phase and the poor phase coexist. A method of managing a battery includes, in a many particle model in which the positive electrode active material is represented by a plurality of particles each distinguished by a particle number indicating a reaction sequence of the positive electrode active material, assuming that the charge carriers are equal in content among one or more particles belonging to each of the rich phase, the poor phase, and the two-phase coexistence phase: calculating an overvoltage of each of the particles for each of the phases; calculating a reaction current density based on the overvoltage for each of the phases; and estimating an SOC of the storage battery based on the reaction current density in each of the phases.

公开(公告)号：US20190198883A1

公开(公告)日：2019-06-27

申请号：US16197998

申请日：2018-11-21

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Kunimitsu YAMAMOTO ,  Tsuyoshi SASAKI ,  Chikaaki OKUDA

IPC: H01M4/78 ,  H01M10/0583 ,  H01M10/0525 ,  H01M4/136

CPC classification number: H01M4/78 ,  H01M4/0404 ,  H01M4/0416 ,  H01M4/131 ,  H01M4/133 ,  H01M4/136 ,  H01M4/1391 ,  H01M4/1393 ,  H01M4/808 ,  H01M10/0525 ,  H01M10/058 ,  H01M10/0583 ,  H01M2004/025 ,  H01M2220/20

Abstract: A rechargeable battery includes at least a porous base, a first electrode layer, an ionic conductor layer, and a second electrode layer. The porous base includes a conductive framework. The framework has a three-dimensional network structure. On at least part of a surface of the framework in the interior of the porous base, the first electrode layer, the ionic conductor layer, and the second electrode layer are stacked in this order. The first electrode layer and the second electrode layer have opposite polarities.