Sony Corporation

Murata Manufacturing Co., Ltd.

Murata Manufacturingco., Ltd.

Hiroki Mita

Tadahiko Kubota

Hideki Sakai

Takaaki Nakagawa

Kazumasa Takeshi

Hideyuki Kumita

Yoshio Goto

Yuichi Tokita

Ryuhei Matsumoto

Taiki Sugiyama

Takashi Tamura

Yasuhide Hosoda

Masaya Kakuta

Shuhei Sugita

Toru Odani

Shuji Fujita

Daisuke Yamaguchi

Norihito Kobayashi

Tsunetoshi Samukawa

Aiko Nakamura

Takato Yokoji

A battery includes a cathode, an anode, and an electrolyte layer, and the electrolyte layer includes an electrolytic solution, a first polymeric compound configured to retain the electrolytic solution, and inorganic particles configured to retain a compound having a polar group on a surface.

Battery, battery pack, electronic device, electric vehicle, and electric power system

A secondary battery includes a cathode, an anode, and a nonaqueous electrolytic solution. The nonaqueous electrolytic solution includes a compound represented by M[(Z1Y1)(Z2Y2)N](where M is a metal element, each of Z1 and Z2 is one of groups such as as a fluorine group, and each of Y1 and Y2 is one of groups such as a sulfonyl group), a compound such as a compound represented by R1-CN (where R1 is a monovalent hydrocarbon group), and a compound such as a compound represented by R22-(CN)(where R22 is an n-valent hydrocarbon group, and n is an integer of 2 or more). A content of the compound represented by [(Z1Y1)(Z2Y2)N]in the nonaqueous electrolytic solution is within a range of 2.5 mol/dmto 6 mol/dmboth inclusive.

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

A secondary battery is provided. The secondary battery includes a positive electrode, a negative electrode, and an electrolyte layer, and the electrolyte layer includes an electrolytic solution and a copolymer containing vinylidene fluoride, hexafluoropropylene, and a hetero-unsaturated compound.

Secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus

A battery, including: a positive electrode; a negative electrode; and an electrolyte layer containing a negative electrode active material.

Battery, battery pack, electronic device, electric vehicle, electricity storage device and electric power system

[Solving Means] A battery includes: a positive electrode; a negative electrode; and an electrolyte. The electrolyte contains an electrolyte solution, and a polymer compound holding the electrolyte solution. The polymer compound includes a copolymer having at least predetermined two kinds of repeating units.

Electrolyte, battery, battery pack, electronic apparatus, electric vehicle, power storage apparatus, and power system

Provided is a secondary battery including a positive electrode, a negative electrode, and a nonaqueous electrolyte solution. The nonaqueous electrolyte solution includes a boron compound having a quaternary structure expressed by Formula (1). 

Nonaqueous electrolyte solution for secondary battery, secondary battery, battery pack, electrically driven vehicle, power storage system, electrically driven tool, and electronic apparatus

In the case in which a fuel cell has a structure in which a cathode () and an anode () are opposed with the intermediary of an electrolyte layer () and the cathode () is formed of an electrode to which an oxygen reductase and so on is immobilized and this electrode has pores inside, at least part of the surface of this electrode is rendered water repellent. For example, the surface of the electrode is rendered water repellent by forming a water-repellent agent on the surface of this electrode. Thereby, in the case in which the cathode is formed of an electrode to which an enzyme is immobilized and this electrode has pores inside, a fuel cell that can stably achieve a high current value by optimization of the amount of water contained in the cathode and a manufacturing method thereof are provided.

Fuel cell, manufacturing method thereof, electronic apparatus, enzyme-immobilized electrode, manufacturing method thereof, water-repellent agent, and enzyme immobilizing material

A fuel cell is provided having a structure in which a cathode and an anode face each other with an electrolyte layer therebetween. The cathode includes an electrode on which an oxygen reductase and the like are immobilized, and the electrode has pores therein, water repellency is imparted to at least part of the surface of the electrode. Water repellency is imparted by forming a water-repellent agent on the surface of the electrode. The water-repellent agent includes a water-repellent material such as carbon powder and an organic solvent such as methyl isobutyl ketone that causes phase separation with water. When the electrode has pores therein, there are provided a fuel cell that stably provides a high current value and a method for manufacturing the fuel cell.

Fuel cell and method for manufacturing the same, electronic apparatus, enzyme-immobilized electrode and method for manufacturing the same, water-repellent agent, and enzyme-immobilizing material

A small and high-density biofuel cell capable of easily supplying fuel; and an electronic apparatus are provided. The biofuel cell is formed using a stack in which two power generating bodies that include at least a pair of electrodes and a separator are stacked through a gas diffusion layer through which only gas is permeable, the electrodes forming an anode and a cathode and having at least one surface on which an oxidoreductase is present, the separator being arranged between the electrodes and including a proton permeable membrane. In addition, cathode-side surfaces of the respective power generating bodies of the stack are arranged in contact with the gas diffusion layer. This biofuel cell is mounted on the electronic apparatus.

Biofuel cell and electronic device

Provided is a fuel cell that is high in performance capabilities of initial power generation and in volume power density, and produces a stable power. Between fixing plates, first and second cell portions are provided. The first cell portion includes an anode, a cathode, and a proton conductor, and the second cell portion includes an anode, a cathode, and a proton conductor. To a space formed by gas-liquid separation and permeable films, cathode spacers, and an anode spacer, a fuel solution is filled. The gas-liquid separation and permeable films are disposed between the fixing plate and the cathode, and between the fixing plate and the cathode. The cathode spacers are provided around the cathodes, respectively, and the anode spacer is provided between the anodes.

Fuel cell and enzyme electrode

The valve control unit of a fuel leakage preventing structure of the present invention includes first and second electrodes. The first electrode is attached to a first member that is movable. When a pressing force is applied to the first member to move, the first and second electrodes are brought into contact with each other, to cause conduction. The first and second electrodes are connected to a control device, and the control device opens a control valve when the first and second electrodes are put into a conducting state. As the control valve is opened and closed by a pressing force in this manner, a fuel solution can be easily supplied.

Fuel leakage preventing structure and biofuel cell

A fuel cell is provided. The fuel cell includes at least one of a plant essential oil and a plant essential oil ingredient in an effective amount so as to function as a biological repellent.

Growing community of inventors

Kanagawa, Japan

Hiroki Mita