Toyota Jidosha Kabushiki Kaisha

Kyoto University

Nagoya Institute of Technology

Nissan Motor Company Limited

Yokohama National University

Honda Motor Co., Ltd.

Tohoku University

National University Corporation Yokohama National University

Hirofumi Nakamoto

Zempachi Ogumi

Takeshi Abe

Jun-ichi Yamaki

Shigenori Hama

Yukiyoshi Ueno

Yasushi Tsuchida

Masato Kamiya

Hiroshi Nagase

Tsunehisa Hirashita

Masayoshi Watanabe

Toshihiro Takekawa

Atsushi Shirasawa

Taishi Shiotsuki

Shuki Araki

Tomokazu Yamane

Fuminori Mizuno

Masao Ichikawa

Satoshi Wakasugi

Yushi Suzuki

Yukinari Kotani

Jun-Ichi Yamaki

Katsuyuki Kagami

Kenichi Hamamoto

Reiji Takekawa

Junichi Kawamura

The present disclosure provides an electrolytic solution having high reduction stability. An electrolytic solution, wherein the electrolytic solution is used in a fluoride ion battery, and the electrolytic solution includes a Li salt, a F salt, and a trialkyl phosphate.

Electrolytic solution and fluoride ion battery

A main object of the present disclosure is to provide a liquid electrolyte in which concentration of active fluoride ion is high. The present disclosure achieves the object by providing a liquid electrolyte to be used in a fluoride ion battery, the liquid electrolyte comprising: a potassium fluoride; an alkali metal amide salt including a cation of an alkali metal and an amide anion; and a glyme represented by a general formula R&#x2014;O(CHCHO)&#x2014;R, in which Rand Ris each independently an alkyl group including 4 or less carbon atoms or a fluoroalkyl group including 4 or less carbon atoms, and n is within a range of 2 to 10.

Liquid electrolyte and fluoride ion battery

A main object of the present invention is to provide an anode current collector that is capable of inhibiting the reaction with liquid electrolyte. The present invention achieves the object by providing an anode current collector to be used for a fluoride ion battery; and the anode current collector being a simple substance of Fe, Mg, or Ti, or an alloy containing one or more of these metal elements.

Anode current collector, conductive material, and fluoride ion battery

An object of the present disclosure is to provide a liquid electrolyte for a fluoride ion battery in which decomposition of a solvent is restrained. The present disclosure attains the object by providing a liquid electrolyte for a fluoride ion battery comprising a plurality of carbonate-based solvents and a fluoride salt, wherein the plurality of carbonate-based solvents contain: i) only propylene carbonate (PC) and dimethyl carbonate (DMC), ii) only ethylene carbonate (EC) and ethyl methyl carbonate (EMC), or iii) only ethyl methyl carbonate (EMC) and dimethyl carbonate (DMC).

Liquid electrolyte for fluoride ion battery and fluoride ion battery

An object of the present disclosure is to provide a secondary battery system that functions at high voltage. The present disclosure attains the object by providing a secondary battery system comprising: a hybrid ion battery provided with a cathode active material layer having a cathode active material that contains a metal element capable of taking two kinds or more of a positive valence, an anode active material layer having an anode active material that contains a metal element capable of taking a valence of +2 or more, and an electrolyte layer containing an alkali metal ion and fluoride anion, and formed between the cathode active material layer and the anode active material layer; and a controlling portion that controls charging and discharging of the hybrid ion battery; wherein the controlling portion controls discharging so that a potential of the cathode active material includes a potential range higher than 0.23 V (vs. SHE).

Secondary battery system

The object of the present invention is to provide an electrolyte for a fluoride ion battery with high activity for fluoridating an active material. The present invention solves the problem by providing an electrolyte for a fluoride ion battery comprising a fluoride complex salt as at least one of LiPFand LiBF, and an organic solvent; and B/A is 0.125 or more in the case where a substance amount of the organic solvent is regarded as A (mol) and a substance amount of the fluoride complex salt is regarded as B (mol).

Electrolyte for fluoride ion battery and fluoride ion battery

A method for manufacturing a fluoride ion conducting electrolyte solution which can improve ionic conductivity includes a step of heating a fluoride and/or a solvent when the fluoride and the solvent are mixed, wherein a heating temperature at the step is lower than a temperature at which the solvent decomposes.

Method for manufacturing fluoride ion conducting electrolyte solution and method for manufacturing fluoride ion battery

The problem to be solved is to provide a liquid electrolyte for a fluoride ion battery which allows a larger capacity of the battery. Solving the problem by providing a liquid electrolyte for a fluoride ion battery including a fluoride salt and a solvent to dissolve the fluoride salt, characterized in that the solvent is an aromatic material having an aromatic cation and an anion, and a molar ratio of the aromatic cation to a fluoride ion is more than 1.

An object of the present disclosure is to provide an anode layer for a fluoride ion battery in which decomposition of a binder is restrained. The present disclosure attains the object by providing an anode layer to be used for a fluoride ion battery, the anode layer comprising an anode active material and a non-fluorine-based binder having aromaticity.

Anode layer for fluoride ion battery and fluoride ion battery

A problem of the present invention is to provide a liquid electrolyte for a fluoride ion battery, in which fluoride anion conductivity is imparted to an ionic liquid containing fluoride complex anions. The present invention solves the problem by providing a liquid electrolyte for a fluoride ion battery, which comprises an ionic liquid containing specific fluoride complex anions and an anion acceptor having a specific acceptor number.

The present invention aims to a liquid electrolyte for a fluoride ion battery having high stability with respect to a fluoride ion. The present invention attains the object by providing a liquid electrolyte for a fluoride ion battery comprising: a fluoride salt; an alkali metal amide salt having an alkali metal cation and an amide anion; and a glyme represented by general formula: R&#x2014;O(CHCHO)&#x2014;R(in which Rand Reach independently represent an alkyl group with 4 or less carbon atoms or a fluoroalkyl group with 4 or less carbon atoms, and n is in the range of 2 to 10).

An object of the present invention is to provide a liquid electrolyte for a lithium battery in which lowering of reactivity of a Li ion and an electrode active material due to a glyme is suppressed. In the present invention, the above object is achieved by providing a liquid electrolyte for a lithium battery comprising: a glyme represented by general formula: R&#x2014;O(CHCHO)&#x2014;R(in which Rand Reach independently represent an alkyl group with 4 or less carbon atoms or a fluoroalkyl group with 4 or less carbon atoms, and n is in the range of 2 to 10); a Li amide salt having a Li ion and a sulfonylamide anion; and a fluoride salt represented by XF (in which X represents Li, Na, K, Rb, or Cs).

Liquid electrolyte for lithium battery and lithium battery

An object of the present invention is to provide a liquid electrolyte for a fluoride ion battery allowing a reaction between an active material and a fluoride ion. By providing a liquid electrolyte for a fluoride ion battery comprising: a fluoride salt; and a sulfonium compound having a cation in which R, R, and R(R, R, and Reach independently represent hydrogen, an alkyl group, or a fluoroalkyl group) are bound to the S element, and an anion, wherein the molar ratio of the cation relative to the total of the cation and the fluoride ion (S/(S+F)) is 0.96 or more, the present invention achieves the aforementioned object.

An electrolytic solution for a fluoride ion battery includes: a fluoride salt; and a solvent for dissolving the fluoride salt, in which the solvent is an ether-containing material having a cation and an anion, and in the cation, an ether group represented by &#x2014;CH&#x2014;O&#x2014;R (where R represents an alkyl group or a fluoroalkyl group) binds to a cation central element which is N or P.

Electrolytic solution for fluoride ion battery and fluoride ion battery

An object of the present invention is to provide a liquid electrolyte for a fluoride ion battery with improved fluoride ion stability. By providing a liquid electrolyte for a fluoride ion battery comprising a fluoride salt and a diol compound in which one or two ether bonds are disposed between two OH groups, the present invention achieves the aforementioned object.

Growing community of inventors

Kyoto, Japan

Hirofumi Nakamoto