Zeon Corporation

Kouichirou Maeda

Hiroki Oguro

Naoki Takahashi

Naoki Yoshida

Masanobu Sato

Yasuhiro Wakizaka

Junji Kodemura

Haruhisa Yamamoto

Katsuya Nakamura

Tetsuya Toyoshima

Hiroshi Koga

Masahiro Yamakawa

Taku Matsumura

Shizuo Kitahara

Fumio Takano

Kunihito Arai

Azusa Masuda

Atsuhiro Kanzaki

Yutaka Katoh

Kenichi Tokuda

Provided is a binder composition for an all-solid-state secondary battery with which it is possible to form a solid electrolyte-containing layer that can cause an all-solid-state secondary battery to display excellent high-temperature storage characteristics. The binder composition for an all-solid-state secondary battery contains an acrylic polymer and not less than 500 mass ppm and not more than 5,000 mass ppm of a coagulant relative to the acrylic polymer.

Binder composition for all-solid-state secondary battery, slurry composition for all-solid-state secondary battery, solid electrolyte-containing layer, and all-solid-state secondary battery

Provided is a binder composition for an all-solid-state secondary battery with which it is possible to form a solid electrolyte-containing layer that can cause an all-solid-state secondary battery to display excellent high-temperature cycle characteristics. The binder composition for an all-solid-state secondary battery contains an acrylic polymer and not less than 500 mass ppm and not more than 20,000 mass ppm of a phosphoric acid ester emulsifier relative to the acrylic polymer.

A sealant for an electrochemical device contains (A) a polyisobutylene polymer and (B) a conjugated diene polymer. The sealant contains the (A) polyisobutylene polymer in a proportion of more than 60 mass % and not more than 98 mass % and the (B) conjugated diene polymer in a proportion of not less than 2 mass % and less than 40 mass % relative to the total mass of the (A) polyisobutylene polymer and the (B) conjugated diene polymer.

Sealant and sealant composition for electrochemical device

Disclosed is a nonaqueous electrolyte battery using an aqueous sealant composition. The aqueous sealant composition comprises an aqueous dispersion in an amount of 70 mass % or more and 97 mass % or less by mass of solid content, wherein the aqueous dispersion comprises an olefinic polymer as a main component, and a water-soluble polymer in an amount of 3 mass % or more and 30 mass % or less by mass of solid content. The aqueous dispersion comprises an olefinic polymer as a main component. The olefinic polymer is a modified olefinic polymer. The modified olefinic polymer is a partial copolymer of a polymer selected from a group consisting of polyethylene, polypropylene, polybutene and ethylene-propylene polymers, and a polymerizable unsaturated organic acid selected from a group consisting of maleic anhydride, acrylic acid, methacrylic acid and esters thereof.

Nonaqueous electrolyte battery

Provided is a laminate for a non-aqueous secondary battery that, in transfer of a functional layer onto a substrate for a non-aqueous secondary battery, enables easy peeling of the functional layer from a releasable substrate while also enabling good adhesion of the functional layer to the substrate for a non-aqueous secondary battery. The laminate for a non-aqueous secondary battery includes a releasable substrate and a functional layer containing a binder. The functional layer is formed in a dotted form on a surface A at one side of the releasable substrate.

Laminate for non-aqueous secondary battery and method of producing same, roll for non-aqueous secondary battery, and method of producing non-aqueous secondary battery component

Provided are a binder composition for an all-solid-state secondary battery with which it is possible to obtain an all-solid-state secondary battery that has good battery characteristics and for which processability during all-solid-state secondary battery production is excellent, a slurry composition for an all-solid-state secondary battery that contains this binder composition for an all-solid-state secondary battery, a functional layer for an all-solid-state secondary battery that is formed from this slurry composition for an all-solid-state secondary battery, and an all-solid-state secondary battery that includes this functional layer for an all-solid-state secondary battery. The binder composition for an all-solid-state secondary battery contains a polymer, an unsaturated acid metal salt monomer, and a solvent. The unsaturated acid metal salt monomer includes a divalent metal.

Binder composition for all-solid-state secondary battery, slurry composition for all-solid-state secondary battery, functional layer for all-solid-state secondary battery, and all-solid-state secondary battery

Provided is a binder composition for an all-solid-state battery with which an all-solid-state battery having excellent capacity characteristics can be obtained. The binder composition contains: a copolymer including an alkylene structural unit and a nitrile group-containing monomer unit; and an organic solvent having a boiling point of 100&#xb0; C. or higher. The copolymer includes the nitrile group-containing monomer unit with a percentage content of at least 10 mass % and not more than 30 mass % and has an iodine value of at least 40 mg/100 mg and not more than 130 mg/100 mg.

Binder composition for all-solid-state battery, slurry composition for all-solid-state battery, electrode for all-solid-state battery, and all-solid-state battery

The present invention relates to a method for manufacturing a binder composition for a lithium-ion secondary battery electrode. The method comprises a step of dissolving a polymer having a melting point in a range of 50&#xb0; C. to 150&#xb0; C. in a monomer and obtaining a monomer solution in which the polymer is dissolved in the monomer; and a step of obtaining a composite polymer particle by subjecting the monomer solution to suspension polymerization or emulsion polymerization in an aqueous medium. The binder composition contains the composite polymer particle.

Method for manufacturing a binder composition for lithium-ion secondary battery electrode

Provided are a binder composition for a solid electrolyte battery and a slurry composition for a solid electrolyte battery that have excellent processability and can cause a solid electrolyte battery to display excellent battery characteristics. The binder composition contains a particulate polymer of a copolymer including an acrylate monomer unit and an aromatic monomer unit, alkyl-modified cellulose represented by formula (I), and an organic solvent. In formula (I), R, R, and Reach indicate a hydrogen atom or an alkyl group having a carbon number of at least 1 and not more than 4. At least two of R, R, and Rare alkyl groups having a carbon number of at least 2 and not more than 4 in 50 mol % or more of all repeating units. Also, n indicates a natural number. 

Binder composition for solid electrolyte battery and slurry composition for solid electrolyte battery

Provided is a binder composition for a solid electrolyte battery having excellent processability in solid electrolyte battery production and with which a solid electrolyte battery having excellent battery performance can be obtained. The binder composition for a solid electrolyte battery contains a particulate polymer having a core-shell structure and an organic solvent. A mass ratio of content of a polymer forming a core portion of the particulate polymer relative to content of a polymer forming a shell portion of the particulate polymer (i.e., a ratio of 'polymer forming core portion/polymer forming shell portion') is 1/0.3 to 1/5.

Binder composition for solid electrolyte battery

Disclosed is an aqueous sealant composition for a nonaqueous electrolyte battery by which a sealant layer having excellent properties can be obtained. An aqueous sealant composition of the present disclosure comprises an acrylic polymer obtained by polymerizing a monomer composition comprising a compound represented by a general formula (I):CH&#x2550;CRCOOR&#x2003;&#x2003;(I),where Rrepresents &#x2014;H or &#x2014;CH, and Rrepresents a cycloalkyl group or an alkyl group having 8 or more carbon atoms, in an amount of 80 mass % or more in an aqueous solvent.

Aqueous sealant composition for nonaqueous electrolyte battery

An all-solid-state secondary battery includes a positive electrode having a positive electrode active material layer, a negative electrode having a negative electrode active material layer, and a solid electrolyte layer between the positive and negative electrode active material layers. The solid electrolyte layer has a thickness of 2 to 20 &#x3bc;m. The solid electrolyte layer includes a binder containing a particulate polymer having an average particle diameter of 0.1 to 1 &#x3bc;m.

All-solid-state secondary battery

This binder for all-solid-state secondary batteries contains a binder polymer which is obtained by polymerizing or copolymerizing a monomer composition that contains a polyalkylene oxide-based monomer.

Binder for all-solid-state secondary batteries, and all-solid-state secondary battery

Provided is a sealant for an electrochemical device in which a non-aqueous electrolysis solution is used that has sufficient sealing performance even with respect to a high-polarity resin. The sealant contains a conjugated diene polymer (A), an aromatic vinyl-conjugated diene block polymer (B), and a hydrogenated amine-modified aromatic vinyl-conjugated diene block polymer (C).

Sealant for electrochemical device in which non-aqueous electrolysis solution is used and sealant composition for electrochemical device

An aqueous dispersion which contains a conjugated diene polymer as the main component is contained at a solid content weight of 70 to 97 wt %.

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Tokyo, Japan

Kouichirou Maeda