Sony Corporation

Murata Manufacturing Co., Ltd.

Fujitsu Corporation

Atsushi Nishimoto

Kazuhiro Noda

Shuichi Takizawa

Kazuaki Fukushima

Takuma Sakamoto

Tadahiko Kubota

Masayuki Ihara

Hiroshi Imoto

Atsumichi Kawashima

Koichiro Hinokuma

Ichiro Yamada

Yuichiro Asakawa

Tomoyuki Shiratsuchi

Takuro Hirakimoto

Minami Watanabe

Hirokuni Fuku

Naoto Ueda

Batteries, separators, battery packs, electronic devices, electromotive vehicles, power storage apparatus, and electric power systems are provided. In one embodiment, a battery is provided. The battery including a positive electrode; a negative electrode; an electrolytic solution holding layer between the positive electrode and the negative electrode, wherein the electrolytic solution holding layer comprises inorganic particles and a vinylidene fluoride polymer, wherein a mass ratio of the vinylidene fluoride polymer and the inorganic particles is 1:1 to 1:8.

Battery, separator, battery pack, electronic device, electromotive vehicle, power storage apparatus, and electric power system

A secondary battery includes: a cathode; an anode; and a nonaqueous electrolytic solution. The anode includes an anode active material containing an electrode compound, the electrode compound inserting and extracting an electrode reactant at a potential (a potential to lithium) of 1 V to 3 V both inclusive, and a metal salt containing one or both of a carboxylic acid compound and a sulfonic acid compound.

Secondary battery-use anode, secondary battery, battery pack, electric vehicle, electri power storage system, electric power tool, and electronic apparatus

Batteries, separators, battery packs, electronic devices, electromotive vehicles, power storage apparatus, and electric power systems are provided. In one embodiment, a battery includes a positive electrode, a negative electrode, and an electrolytic solution holding layer between the positive electrode and the negative electrode. The electrolytic solution holding layer includes a porous polymer compound, and an electrolytic solution is held in the porous polymer compound. The porous polymer compound includes a vinylidene fluoride polymer selected from the group consisting of (1) a vinylidene fluoride homopolymer and (2) a copolymer including a vinylidene fluoride monomer unit and a hexafluoropropylene monomer unit. The average molecular weight of the vinylidene fluoride polymer is 500,000 or more to less than 1.5 million, and the air permeability of the porous polymer compound is 500 seconds/100 cc or less.

Non-aqueous electrolyte battery, separator, battery pack, electronic device, electromotive vehicle, power storage apparatus, and electric power system

A non-aqueous electrolyte battery has a positive electrode, a negative electrode, an insulating layer present between the positive electrode and the negative electrode, and an electrolytic solution holding layer that composes the insulating layer and includes an electrolytic solution and a porous polymer compound, in which the electrolytic solution is held in the pores in the porous polymer compound and swells the porous polymer compound, the material of the porous polymer compound includes a vinylidene fluoride polymer, the vinylidene fluoride polymer is a vinylidene fluoride homopolymer or a copolymer including a vinylidene fluoride monomer unit and a hexafluoropropylene monomer unit, the mass composition ratio of the monomer units of the vinylidene fluoride polymer, or vinylidene fluoride monomer units:hexafluoropropylene monomer units, is 100:0 to 95:5, and the weight average molecular weight of the vinylidene fluoride polymer is 500,000 or more to less than 1.5 million.

Non-aqueous electrolyte battery, method of manufacturing non-aqueous electrolyte battery, insulating material, method of manufacturing insulating material, battery pack, electronic device, electromotive vehicle, power storage apparatus, and electric power system

A secondary battery capable of suppressing resistance rise even after repeated charge and discharge is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The anode contains titanium-containing lithium composite as an anode active material, and the electrolytic solution contains cyclic disulfonic acid anhydride.

Secondary battery, electronic device, electric power tool, electrical vehicle, and electric power storage system

Disclosed herein are an ion-dissociative functional compound, a method for production thereof, an ionic conductor, and an electrochemical device, the ion-dissociative functional compound being thermally and chemically stable under the condition required of fuel cells and being suitable for use as a material such as protonic conductor in fuel cells. The proton-dissociative functional compound shown in FIG.A is composed of a fullerene Cmolecule and about 10 sulfonic acid groups &#x2014;SOH as proton-dissociative groups each attached to the fullerene through a difluoromethane group &#x2014;CF&#x2014;. The proton-dissociative functional compound shown in FIG.B is composed of fullerene molecules three-dimensionally connected to each other through a linking group &#x2014;CFSONHSOCF&#x2014;. It contains, as the proton-dissociative group, sulfoneimide groups &#x2014;SONHSO&#x2014; and sulfoneamide groups &#x2014;SOHin addition to sulfonic acid groups. These compounds are prepared by introduction of difluoro(fluorosulfonyl)methyl groups into fullerene molecules, and ensuing imidization and hydrolysis.

Ion-dissociative functional compound, method for production thereof, ionic conductor, and electrochemical device

A mixture, cation conductor and electrochemical device using same are provided. The mixture and a cation conductor, in which cations can be moved without humidification even in a range of temperatures less than or equal to the boiling point of water, or an electrochemical device such as a fuel cell using them. A fuel electrode and an oxygen electrode, which are oppositely arranged with an electrolyte film in between, is provided. The electrolyte film contains a first compound formed of an imidazole derivative containing N having an unshared electron pair and a second compound of at least one selected from the group consisting of compounds having structures shown below.

Mixture, cation conductor and electrochemical device using those

A connection server receives access permission information at the start of the connection of a peer client of the user to an open network, registers the access permission information into a database, and responds the relevant access permission information for a retrieval request from an IP server with reference to the database. By a transmitting request based on the access permission information obtained by the retrieval request to the connection server, the IP server obtains predetermined personal information as special personal information, registers it into the database, and, when providing information adapted to the special personal information is obtained, transmits the providing information to the peer client.

Information management system and apparatus using open network environment, and storage medium storing control program of apparatus and capable of being read by computer

Growing community of inventors

Tokyo, Japan

Atsushi Nishimoto