Panasonic Corporation

Panasonic Intellectual Property Management Co., Ltd.

Miyuki Nakai

Hajime Nishino

Satoshi Shibata

Yasuyuki Kusumoto

Yoshiyuki Muraoka

Atsushi Fukui

Yukihiro Okada

Mikinari Shimada

Emiko Igaki

Kensuke Nakura

Osamu Inoue

Yasunari Sugita

Shinji Kasamatsu

Takashi Takeuchi

Shinya Hasegawa

Tomoki Shiozaki

Hirofumi Fujita

Takanobu Chiga

Kazuki Endo

Takayuki Nakatsutsumi

Futoshi Tanigawa

Masashi Shoji

Tsutomu Koshizuka

Motoi Kawamura

Wataru Shinohara

Yusuke Kawahara

Takuji Hirano

Naoki Matsumura

A lithium primary battery including: a battery case; an electrode group; and a nonaqueous electrolyte; the nonaqueous electrolyte contains a nonaqueous solvent, a solute, and an additive; the electrode group includes a positive electrode, a negative electrode, and a separator interposed therebetween; the negative electrode includes foil composed of metal lithium or a lithium alloy, has a shape extending in a longitudinal direction and a short direction, and provided with a long tape adhered to at least one main surface of the negative electrode along the longitudinal direction thereof; the tape includes a resin substrate and an adhesive layer and has a width of 0.5 to 3 mm; and the additive is a lithium salt represented by the following formula (1): LiMCOF(1&#x2264;x&#x2264;2, 0&#x2264;y&#x2264;6, 0&#x2264;z&#x2264;8, 0&#x2264;&#x3b1;&#x2264;6, and 1&#x2264;y+z+&#x3b1; are satisfied, and y and z are not simultaneously 0), and the element M includes at least one of phosphorus and boron.

Lithium primary battery

A positive electrode, a negative electrode containing lithium, and a nonaqueous electrolyte having lithium ion conductivity are installed. The nonaqueous electrolyte contains a nonaqueous solvent and a solute. The positive electrode contains a positive electrode active material containing at least manganese dioxide, a conductive agent, and a binding agent and further contains an oxide and sulfate of a rare-earth element.

A lithium battery includes a positive electrode, a negative electrode containing lithium, and a nonaqueous electrolyte having lithium-ion conductivity, wherein the positive electrode contains at least one selected from the group consisting of manganese oxide and graphite fluoride, and a powdered or fibrous carbon material is attached to at least part of the surface of the negative electrode opposite the positive electrode. Further, the nonaqueous electrolyte includes a nonaqueous solvent, a solute, a first additive, and a second additive, the solute contains LiClO, the first additive is LiBF, and the second additive is a salt having an inorganic anion that contains sulfur and fluorine.

Lithium battery

In an embodiment, photoelectric conversion units () each include a package () accommodating a photoelectric conversion device (). The package () has a front surface () having a window (); and a side surface (). The package () includes a first coupling portion () protruding from the side surface () in a first direction X parallel to a light incident surface () of the photoelectric conversion device (), and a second coupling portion () recessed from the side surface () in the first direction X. The first coupling portion () includes a first terminal () electrically connected with the photoelectric conversion device (), and the second coupling portion () includes a second terminal () electrically connected with the photoelectric conversion device (). The first coupling portion () and the second coupling portion () have shapes and sizes matching each other, and are coupled with each other by fitting.

Photoelectric conversion apparatus and photoelectric conversion unit used in photoelectric conversion apparatus

An embodiment of the present disclosure provides a structure that contributes to increasing the capacity density. A secondary cell according to an embodiment of the present disclosure includes a plurality of periodic unit structures that are arranged on a first surface. Each of those periodic unit structures includes a positive electrode layer and a negative electrode layer, each of which projects away from the first surface, and a solid electrolyte interposed between the positive electrode and negative electrode layers.

Secondary cell, solar secondary cell, and methods of making those cells

A method for producing an oxynitride film includes: (A) supplying a first precursor containing a network former into a reactor in which a substrate is placed; (B) supplying at least one of an oxygen gas and an ozone gas into the reactor; (C) supplying a second precursor containing at least one of an alkali metal element and an alkaline-earth metal element into the reactor; (D) supplying at least one of a nitrogen gas and an ammonia gas into the reactor; and (E) supplying a purge gas into the reactor.

Method for producing oxynitride film by atomic layer deposition process

A nonaqueous electrolyte solution for a secondary battery includes: a nonaqueous solvent including a cyclic carbonate having at least one fluoro group on a side chain thereof, a chain carbonate, and trimethylacetonitrile; and a lithium salt dissolved in the nonaqueous solvent.

Nonaqueous electrolyte solution for secondary battery, and lithium secondary battery

A non-aqueous electrolyte secondary battery includes an electrode assembly including a positive electrode including a positive electrode active material layer, a negative electrode, and a separator disposed between the positive electrode and the negative electrode; and a non-aqueous electrolyte, wherein at least one of the positive electrode and the separator contains a phosphoric acid ester compound containing at least one metal element and represented by a general formula (1) (where X and Y each represent a metal element, a hydrogen atom, or an organic group; at least one of X and Y represents a metal element; when the metal element is divalent, X and Y together represent a single metal element; and n represents an integer of 2 or more and 10 or less).

Non-aqueous electrolyte secondary battery comprising phosphoric acid ester compound containing at least one metal element

A nonaqueous electrolyte secondary battery includes a positive electrode (), a negative electrode () and a porous insulation layer (). The positive electrode () includes a positive electrode current collector () and a positive electrode mixture layer (), and the negative electrode () includes a negative electrode current collector () and a negative electrode active material layer (). After charging the nonaqueous electrolyte secondary battery, when a surface of the positive electrode mixture layer () and a surface of the negative electrode active material layer () are brought in contact with each other, terminals are provided, respectively, on the positive electrode current collector () and the negative electrode current collector () and a resistance value between the terminals is measured, the resistance value is 1.6 &#x3a9;&#xb7;cmor more.

Nonaqueous electrolyte secondary battery

An object of the present invention is to provide a high-energy density nonaqueous electrolyte secondary battery that controls the rise in temperature during short circuiting. Used is a nonaqueous electrolyte secondary battery, including a battery case, and a positive electrode platehaving a positive electrode current collector and a positive electrode mixture layer containing a cathode material capable of absorbing and desorbing lithium, a negative electrode platehaving a negative electrode current collector and a negative electrode mixture layer containing an anode material capable of absorbing and desorbing lithium, a separatorheld between the positive and negative electrode plates, and a nonaqueous electrolyte that are enclosed in the battery case, wherein at least one of the positive electrode plateand the negative electrode platehas an electrode plate resistance, as determined in the charged state in the thickness direction when pressurized at 50 kg/cm2, of 0.4 &#x3a9;&#xb7;cmor more.

A nonaqueous electrolyte secondary battery comprising a positive electrode, a negative electrode, a separatorand a nonaqueous electrolyte, wherein a material mixture layer containing an active material and a binder is formed on a surface of a current collectorof at least one of the positive electrodeand the negative electrode. The material mixture layer includes a first layerand a second layerwhich are different in volume ratio of the binder to the active material. The volume ratio (A) of the binder in the first layerin contact with the surface of the current collectoris lower than the volume ratio (B) of the binder in the second layer

Nonaqueous electrolyte secondary battery and method for manufacturing electrode of nonaqueous electrolyte secondary battery

A nonaqueous electrolyte secondary battery includes: a positive electrode; a negative electrode; a separator; and a battery casein which an electrode plate groupincluding the positive electrodeand the negative electrodespirally wound or stacked with the separatorinterposed therebetween is stored with an electrolyte. In the nonaqueous electrolyte secondary battery, after charging, when the separatoris removed to bring a surface of the positive electrode mixture layer and a surface of the negative electrode mixture layer in contact with each other, terminals are respectively provided on the positive electrode current collector and the negative electrode current collector and a resistance value between the terminals is measured, the resistance value is 1.6 &#x3a9;&#xb7;cmor more, and the battery caseis electrically insulated from the positive electrodeand the negative electrode

Disclosed is a glass composition composed of an oxide glass wherein the percentages of constitutional elements other than oxygen (O) expressed in atomic % are as follows: boron (B) is not less than 56% and not more than 72%; silicon (Si) is not less than 0% and not more than 15%; Zinc (Zn) is not less than 0% and not more than 18%; potassium (K) is not less than 8% and not more than 20%; and the total of K, sodium (Na) and lithium (Li) is not less than 12% and not more than 20%. This glass composition further may contain at least one of magnesium (Mg), calcium (Ca), strontium (Sr) and barium (Ba) in an amount of more than 0% and not more than 5%, and molybdenum (Mo) and/or tungsten (W) in an amount of more than 0% and not more than 3%.

Glass composition and display panel using same

A nonaqueous electrolyte secondary battery of the present invention includes a nonaqueous electrolyte and a positive electrodethat occludes lithium ions reversibly. The positive electrodeincludes active material layersand a sheet-like collectorthat supports the active material layers. The collectorcontains aluminum and at least one element other than aluminum. The average composition that is obtained by averaging the ratio of the elements composing the collectorin the direction of the thickness of the collectoris equal to the composition of an alloy whose liquidus temperature is 630&#xb0; C. or lower. The present invention makes it possible to prevent heat from being generated due to an internal short circuit in the nonaqueous electrolyte secondary battery.

Growing community of inventors

Osaka, Japan

Miyuki Nakai