Nippon Shokubai Co., Ltd.

Takayuki Kobatake

Hiromoto Katsuyama

Masayuki Okajima

Yasunori Okumura

Shimpei Sato

Chie Onoda

Takeo Kawase

Izuho Okada

Motohiro Arakawa

Naohiko Itayama

Taisuke Kasahara

Hiroyuki Mizuno

Shin-ya Shibata

Kazuhisa Hirata

Yukihiro Fukata

Yasuyuki Miyoshi

Ryo Watabe

Yusuke Oyama

An electrolyte composition includes: a sulfonylimide compound represented by the following general formula (1) as an electrolyte salt; and an amidosulfuric acid component.LiN(XSO)(XSO)  (1)

Electrolyte composition, solvent composition, non-aqueous electrolyte, and use thereof

Provided is a compound represented by Formula (1) below.MXY  (1) (In Formula (1), M represents metal other than alkali metal, X represents —N(SOF), Y represents a coordinating solvent, and a, b, and c are positive numbers.)

Bis(fluorosulfonyl)imide compound and method for producing same

An electrolytic solution comprising N-(fluorosulfonyl)-N-(fluoroalkylsulfonyl)imide or di(fluorosulfonyl)imide, from which a residual solvent that affects the properties of the electrolyte solution material is reduced, is provided. A method for producing an electrolyte solution material containing fluorosulfonyl imide salt represented by the following general formula (1) and an electrolyte solution preparation solvent comprises decompressing and/or heating a solution containing the fluorosulfonyl imide salt and the electrolyte solution preparation solvent to volatilize a production solvent for the fluorosulfonyl imide salt. In general formula (1), Rrepresents a fluorine atom or a fluorinated alkyl group having 1 to 6 carbon atoms, Rrepresents an alkali metal ion.

Method for manufacturing electrolyte solution material

An electrolytic solution comprising N-(fluorosulfonyl)-N-(fluoroalkylsulfonyl)imide or di(fluorosulfonyl)imide, from which a residual solvent that affects the properties of the electrolyte solution material is reduced, is provided. A method for producing an electrolyte solution material containing fluorosulfonyl imide salt represented by the following general formula (1) and an electrolyte solution preparation solvent comprises decompressing and/or heating a solution containing the fluorosulfonyl imide salt and the electrolyte solution preparation solvent to volatilize a production solvent for the fluorosulfonyl imide salt.  In general formula (1), Rrepresents a fluorine atom or a fluorinated alkyl group having 1 to 6 carbon atoms, Rrepresents an alkali metal ion.

A non-aqueous electrolytic solution capable of suppressing reduction in capacity, cycle characteristics, and/or rate characteristics even when used under high voltage conditions after being stored under high temperature conditions (e.g., 60&#xb0; C. or higher); and a lithium ion secondary battery using these non-aqueous electrolytic solutions are provided. The non-aqueous electrolytic solution of the present invention comprise an anion represented by the following general formula (1), a lithium cation, and a compound represented by the following general formula (2A) and/or an acid anhydride having an aromatic ring and at least one structure represented by &#x2014;C(&#x2550;O)&#x2014;O&#x2014;C(&#x2550;O)&#x2014; in a molecule, wherein a concentration of the anion represented by the general formula (1) is 0.1 mol/L or more.

Non-aqueous electrolytic solution and lithium ion secondary battery comprising same

The present invention provides an ionic compound containing a cyanoborate; a process for production thereof; and an electrolytic solution and a device. The electrolytic solution comprises an ionic compound represented by general formula (1) and a solvent,M([B(CN)Y])&#x2003;&#x2003;(1)

Ionic compound and process for production thereof, and electrolytic solution and electrical storage device each utilizing the ionic compound

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Osaka, Japan

Takayuki Kobatake