Semiconductor Energy Laboratory Co., Ltd.

Meiji Seika Pharma Co., Ltd.

Yumiko Saito

Hiroatsu Todoriki

Takahiro Kawakami

Junpei Momo

Mikio Yukawa

Mayumi Mikami

Kuniharu Nomoto

Rie Matsubara

Takao Abe

Yoshiaki Sakamaki

Takeshi Furuuchi

Nakako Mitsuhashi

Takafumi Mizoguchi

Satoshi Seo

Kazutaka Kuriki

Yohei Momma

Teruaki Ochiai

Kiyofumi Ogino

Shuhei Yoshitomi

Rie Yokoi

Junichiro Sakata

Hideomi Suzawa

Naoto Kusumoto

Koji Dairiki

Konami Izumi

Minoru Takahashi

Mayumi Yamaguchi

Masaki Yamakaji

Tamae Moriwaka

Tatsuya Ikenuma

Shunsuke Adachi

Rika Yatabe

The formation method of graphene includes the steps of forming a layer including graphene oxide over a first conductive layer; and supplying a potential at which the reduction reaction of the graphene oxide occurs to the first conductive layer in an electrolyte where the first conductive layer as a working electrode and a second conductive layer with a as a counter electrode are immersed. A manufacturing method of a power storage device including at least a positive electrode, a negative electrode, an electrolyte, and a separator includes a step of forming graphene for an active material layer of one of or both the positive electrode and the negative electrode by the formation method.

Graphene and power storage device, and manufacturing method thereof

A crystalline form I of a compound represented by Formula (VII-1): having characteristic peaks appearing at lattice spacing (d) of 7.34, 5.66, 5.53, 5.30, 5.02, 4.66, 4.37, 4.28, 4.06, 3.68, 3.62, 3.47, 3.36, 3.30, 3.16, 3.11, 3.03, 2.99 and 2.50 Å in the powder X-ray diffraction pattern.

Crystalline forms of diazabicyclooctane derivative and production process thereof

A crystalline form I of a compound represented by Formula (VII-1): having characteristic peaks appearing at lattice spacing (d) of 7.34, 5.66, 5.53, 5.30, 5.02, 4.66, 4.37, 4.28, 4.06, 3.68, 3.62, 3.47, 3.36, 3.30, 3.16, 3.11, 3.03, 2.99 and 2.50 &#x212b; in the powder X-ray diffraction pattern.

A mixture of amorphous PAHs and at least one of a carrier ion storage metal, a Sn compound, a carrier ion storage alloy, a metal compound, Si, Sb, and SiOis used as the negative electrode active material. The theoretical capacity of amorphous PAHs greatly exceeds that of a graphite based carbon material. Thus, the use of amorphous PAHs enables the negative electrode active material to have a higher capacity than in the case of using the graphite-based carbon material. Further, addition of at least one of the carrier ion storage metal, the Sn compound, the carrier ion storage alloy, the metal compound, Si, Sb, and SiOto the amorphous PAHs enables the negative electrode active material to have a higher capacity than the case of only using the amorphous PAHs.

Negative electrode of power storage device and power storage device

A mixture of amorphous PAHs and at least one of a carrier ion storage metal, a Sn compound, a carrier ion storage alloy, a metal compound, Si, Sb, and SiOis used as the negative electrode active material. The theoretical capacity of amorphous PAHs greatly exceeds that of a graphite-based carbon material. Thus, the use of amorphous PAHs enables the negative electrode active material to have a higher capacity than in the case of using the graphite-based carbon material. Further, addition of at least one of the carrier ion storage metal, the Sn compound, the carrier ion storage alloy, the metal compound, Si, Sb, and SiOto the amorphous PAHs enables the negative electrode active material to have a higher capacity than the case of only using the amorphous PAHs.

A process for producing a compound of the following Formula (VII-CR): The process involving providing a compound represented by the following Formula (VI): in a case where the RONHC(&#x2550;O) side chain in the compound of the Formula (VI) has a protecting group, removing the protecting group from the compound of the Formula (VI) with an acid, and adding an ester-based poor solvent to the resultant reaction solution to precipitate the compound of Formula (VII-CR), wherein in the compounds of the Formulas (VII-CR) and (VI), Ris a Calkyl or a heterocycle.

Processes for producing diazabicyclooctane compounds

A crystalline form of a diazabicyclooctane derivative represented by the following Formula (VII), and processes for producing the same: 

To increase the amount of lithium ions that can be received and released in and from a positive electrode active material to achieve high capacity and high energy density of a secondary battery. A composite material of crystallites of LiMnO(crystallites with a spinel crystal structure) and crystallites of LiMnO(crystallites with a layered rock-salt crystal structure) is used as a positive electrode active material. The lithium manganese oxide composite has high structural stability and high capacity.

Lithium manganese oxide composite, secondary battery, and manufacturing method thereof

To provide a flexible substrate processing apparatus which allows the stable reduction of an oxide contained in a film-like structure body formed on a flexible substrate. The apparatus has a substrate carrying-out portion where a flexible substrate on which a film-like structure body is formed is unwound; a reduction treatment portion where an oxide contained in the film-like structure body formed on the flexible substrate is electrochemically reduced; a washing portion where the flexible substrate and the film-like structure body are washed; a drying portion where the flexible substrate and the film-like structure body are dried; and a substrate carrying-in portion where the flexible substrate on which the film-like structure body is formed is taken up.

Flexible substrate processing apparatus

A graphene oxide used as a raw material of a conductive additive for forming an active material layer with high electron conductivity with a small amount of a conductive additive is provided. A positive electrode for a nonaqueous secondary battery using the graphene oxide as a conductive additive is provided. The graphene oxide is used as a raw material of a conductive additive in a positive electrode for a nonaqueous secondary battery and, in the graphene oxide, the atomic ratio of oxygen to carbon is greater than or equal to 0.405.

Graphene oxide, positive electrode for nonaqueous secondary battery using graphene oxide, method of manufacturing positive electrode for nonaqueous secondary battery, nonaqueous secondary battery, and electronic device

The amount of lithium ions that can be received and released in and from a positive electrode active material is increased, and high capacity and high energy density of a secondary battery are achieved. Provided is a lithium-manganese composite oxide represented by LiMnMO, where M is a metal element other than Li and Mn, or Si or P, and y, z, and w satisfy 0&#x2266;x/(y+z)&#x3c;2, y&#x3e;0, z&#x3e;0, 0.26&#x2266;(y+z)/w&#x3c;0.5, and 0.2&#x3c;z/y&#x3c;1.2. The lithium manganese composite oxide has high structural stability and high capacity.

Lithium&#x2014;manganese composite oxide, secondary battery, and electric device

A thin energy storage device having high capacity is obtained. An energy storage device having high output is obtained. A current collector and an active material layer are formed in the same manufacturing step. The number of manufacturing steps of an energy storage device is reduced. The manufacturing cost of an energy storage device is suppressed. One embodiment of the present invention relates to a method for manufacturing of an electric double layer capacitor, or a lithium ion capacitor, which includes porous metal electrodes formed by removing a metal from an alloy foil, and an electrolyte provided therebetween. A surface area per volume of the porous structure is greater than or equal to 100 m/cm.

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Kanagawa, Japan

Yumiko Saito