Murata Manufacturing Co., Ltd.

Sony Corporation

Keizo Koga

Kazuhito Hatta

Keiichi Kagami

Nobuaki Shimosaka

Yosuke Hosoya

Yoshikatsu Yamamoto

Takehiko Tanaka

Kiyohiko Suzuki

Toshitsugu Ono

Kiyohiko c/o Sony Fukushima Corporation Suzuki

Yoshikatsu c/o Sony Fukushima Corp Yamamoto

Takehiko c/o Sony Fukushima Corporation Tanaka

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

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

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

A positive active material including a compound expressed by a general formula LiMM'M&#x2033;O(here, M designates at least one kind of element selected from Co, Ni and Mn, M&#x2032; designates at least one kind of element selected from Al, Cr, V, Fe, Cu, Zn, Sn, Ti, Mg, Sr, B, Ga, In, Si and Ge, and M&#x2033; designates at least one kind of element selected from Mg, Ca, B and Ga. Further, x is designated by an expression of 0.9&#x2266;x&#x3c;1, y is indicated by an expression of 0.001&#x2266;y&#x2266;0.5, z is indicated by an expression of 0&#x2266;z&#x2266;0.5, and m is indicated by an expression of 0.5&#x2266;m) and lithium manganese oxide expressed by a general formula LiMnMaO(here, the value of s is expressed by 0.9&#x2266;s, the value of t is located within a range expressed by 0.01&#x2266;t&#x2266;0.5, and Ma indicates one or a plurality of elements between Fe, Co, Ni, Cu, Zn, Al, Sn, Cr, V, Ti, Mg, Ca, Sr, B, Ga, In, Si and Ge) are included, so that both a large capacity and the suppression of the rise of temperature of a battery upon overcharging operation are achieved.

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Fukushima, Japan

Keizo Koga