Sony Corporation

Murata Manufacturing Co., Ltd.

Murata Manufacturingco., Ltd.

Kazuhito Hatta

Mashio Shibuya

Keiichi Kagami

Nobuaki Shimosaka

Tsuyonobu Hatazawa

Keizo Koga

Hiroyuki Yamada

Tomitaro Hara

Takahiro Endo

Masaru Hiratsuka

Mitsuo Sakamoto

Masato Sato

Takao Sawaguchi

Toshitsugu Ono

Kimio Takahashi

Koichiro Kezuka

Takehiko Suwa

Toshio Koishikawa

Takayuki Kondo

Kojiro Kita

Manabu Aoki

Masatake Hayashi

Yuzuru Fukushima

Kazuo Honda

Masahiro Miyamoto

Tsuyoshi Sugiyama

Masaki Machida

Atsushi Kajita

Takeru Yamamoto

Takashi Ono

Norio Mamada

Kouji Watanabe

Yukako Fujimoto

Koji Sakai

Takehiro Suwa

Yamada Hiroyuki

Provided is a battery including a positive electrode, a negative electrode, an electrolytic solution, and a particle-containing resin layer that contains particles and a resin. A shape of the particles includes a plane, a plane rate of the particles is greater than 40% and equal to or less than 100%, and a refractive index of the particles is equal to or greater than 1.3 and less than 2.4.

Transparent particle-containing resin layer, separator, electrode, and battery including the same, and coating material for making the same

A method of forming a package is provided and includes providing two laminate edge portions of the package, each of which includes a foil layer between first and second resin layers; and welding together the respective first resin layers at a first position spaced apart from the edges while not welding the respective first resin layers at the edges, wherein the edge portions include edges from which electrode terminals extend such that portions of the electrode terminals are exposed beyond the edges, and wherein the edge portions are between a sealing portion and exposed portions of positive and negative electrode terminals.

Battery cell and exterior packaging material

Method of forming a package

Battery cell and laminate film

Provided is a separator including: a substrate; and a surface layer formed on at least one surface of the substrate, and having a higher porosity than that of the substrate. It is preferable that the surface layer includes: a first layer having convexities and concavities existing as cavities; and a second layer formed between the first layer and the separator, and the second layer has a higher porosity than that of the substrate, and the first layer has a higher porosity than that of the second layer. In this case, it is preferable that the porosity of the substrate is from 25% to 40%, the porosity of the first layer is from 60% to 90%, and the porosity of the second layer is from 40% to 65%.

Separator, battery, battery pack, electronic apparatus, electric vehicle, power storage device, and electric power system

Battery, separator, electrode, coating material, battery pack, electronic apparatus, electrically driven vehicle, electrical storage device, and electric power system

A battery is provided. The battery includes a cathode; an anode; an interlayer provided between the cathode and the anode; wherein the interlayer includes an electrolytic solution, a polymer compound, and one or more of a polyphosphate salt, a melamine salt, a metal hydroxide, and a metal hydrate.

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

Between an anode active material layer and a separator, a recess impregnation region of an anode side in which electrolytes and solid particles are disposed and including a recess that is located between adjacent anode active material particles positioned on the outermost surface of the anode active material layer is formed. Between a cathode active material layer and a separator, a recess impregnation region of a cathode side in which electrolytes and solid particles are disposed and including a recess that is located between adjacent cathode active material particles positioned on the outermost surface of the cathode active material layer is formed. The solid particles in the recess impregnation regions of the cathode side and the anode side have a concentration that is 30 volume % or more.

Cell, cell pack, electronic device, electric vehicle, electricity storage apparatus, and power system

A particle size D50 of the particle is not less than 50 nm and not more than 450 nm, or not less than 750 nm and not more than 10,000 nm. A refractive index of the particle is not less than 1.3 and less than 2.4. One of a mass ratio between the particles and the matrix polymer compound (particles/matrix polymer compound) and a mass ratio between the particles and the electrolyte salt (particles/electrolyte salt) is not less than 15/85 and not more than 90/10.

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

Provided is a battery including a positive electrode, a negative electrode, a separator, and an electrolyte that contains particles, a resin, and an electrolytic solution. The shape of the particles includes a plane, a plane rate of the particles is greater than 40% and equal to or less than 100%, and a refractive index of the particles is equal to or greater than 1.3 and less than 2.4.

Battery, electrolyte, battery pack, electronic apparatus, electrically driven vehicle, electrical storage device, and electric power system

A gel electrolyte layer is provided between a positive electrode and a second electrode. The gel electrolyte layer is a layer containing particles, a resin material, and a polymer compound for retaining the resin material, and having a heat capacity per unit area of 0.0001 J/Kcmor more and a heat capacity per unit volume of 3.0 J/Kcmor less.

Battery, electrolyte layer, battery pack, electronic apparatus, electric vehicle, power storage device, and electric power system

The present invention relates to a layer disposed between a positive electrode and a negative electrode, which is a layer containing particles and a resin material, and having a porous structure with a heat capacity per unit area of 0.0001 J/Kcmor more and a heat capacity per unit volume of 3.0 J/Kcmor less.

A battery includes electrodes including a positive electrode and a negative electrode; and a particle-containing insulating part that is provided between the positive electrode and the negative electrode and includes particles and a resin, wherein the particles are a material capable of undergoing an endothermic dehydration reaction and have a flat shape with an aspect ratio of 2/1 or more.

Battery, electrolyte, battery pack, electronic device, electric motor vehicle, electrical storage device, and power system

Growing community of inventors

Fukushima, Japan

Kazuhito Hatta