Sony Corporation

Murata Manufacturing Co., Ltd.

Sony Ericsson Mobile Communications Ab

Sony Mobile Communications Ab

Sanyo Chemical Industries, Ltd.

Ichiro Yamada

Tadahiko Kubota

Shunsuke Saito

Haruo Watanabe

Yawei Ma

Toru Odani

Hideki Nakai

Tomoyuki Shiratsuchi

Toshio Nishi

Shigeru Fujita

Yosuke Hosoya

Koji Morita

Kunihiko Hayashi

Yoshikazu Kato

Yoshihiro Kudo

Atsumichi Kawashima

Mi Zhou

Tomoyo Ooyama

Yuichiro Asakawa

Shuhei Sugita

Atsushi Nishimoto

Shinichi Katayama

Nobuya Okano

Noritoshi Araki

Chandrashekar Subba

Hironobu Tokunaga

Takuma Sakamoto

Muneaki Ando

Yuko Hamano

Hong Zuo

A secondary battery includes a cathode, an anode, and an electrolytic solution. The anode or the electrolytic solution, or both contain a metal salt including an unsaturated carbon bond.

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

A battery is composed of a positive electrode in which a positive electrode active material layer including a positive electrode active material is formed on a positive electrode collector, a negative electrode in which a negative electrode active material layer including a negative electrode active material is formed on a negative electrode collector, a separator provided between the positive electrode and the negative electrode, and an electrolyte impregnated in the separator. The battery further includes at least one of a heteropoly acid and a heteropoly acid compound as an additive at least in one of the positive electrode, the negative electrode, the separator, and the electrolyte.

Non-aqueous electrolyte battery including an amorphous material

Batteries and battery packs are provided. In one embodiment, the battery includes a positive electrode, a negative electrode, and an electrolyte including a fluidic electrolyte and a non-fluidic electrolyte. The fluidic electrolyte is configured to be imaged as a void image in a secondary electron image and a reflection electron image obtained by energy dispersive X-ray spectroscopy, and the non-fluidic electrolyte is configured to be imaged in the secondary electron image and the reflection electron image with a non-fluidic electrolyte contrast different from a contrast associated with a member selected from the group consisting of a solid current collector, an active material, a conductive material, a binding material and a separator.

Battery and battery pack

A nonaqueous electrolytic solution includes: a solvent, an electrolyte salt, a polyacid and/or a polyacid compound, and a monofluorophosphate and/or a difluorophosphate.

Nonaqueous electrolytic solution and battery including a heteropolyacid and/or a heteropolyacid compound

A battery and a battery pack that includes the battery are provided. The battery includes a positive electrode including a positive electrode active material and a first current collector; a negative electrode including a negative electrode active material and a second current collector; a separator; a fluidic electrolyte; and a polymer layer including a polymeric material; wherein at least a portion of the polymer layer is provided between the separator and at least one of the positive electrode active material and the negative electrode active material; and wherein the fluidic electrolyte is provided in at least a void portion adjacent to at least one of the first current collector and the second current collector.

A negative electrode includes: a negative electrode collector; and a negative electrode active material layer covering at least one principal plane of the negative electrode collector and containing at least a negative electrode active material, wherein the negative electrode active material contained in a region of up to at least 50% of a thickness from the surface of the negative electrode active material layer is covered with a solid electrolyte interface coating, and the solid electrolyte interface coating contains a product with a crosslinked isocyanate group in an isocyanate compound.

Negative electrode including solid electrolyte interface coating containing crosslinked isocyanate compound, nonaqueous electrolyte secondary battery and method for manufacturing the same

Disclosed is a battery including: a positive electrode; a negative electrode; and an electrolyte including a fluidic electrolyte in which an electrolytic solution containing a solvent and an electrolyte salt is present while maintaining fluidity, and a non-fluidic electrolyte in which an electrolytic solution containing a solvent and an electrolyte salt is supported by a polymeric material.

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

A nonaqueous electrolyte battery is provided and includes a positive electrode, a negative electrode having a negative electrode active material layer containing a negative electrode active material, a separator disposed between the positive electrode and the negative electrode, and a non-fluid electrolyte. The non-fluid electrolyte contains an electrolyte salt, a nonaqueous solvent, an orthoester compound represented by the following formula (1), and at least one member selected from the group consisting of cyclic carbonate compounds represented by the following formula (2) to (5). A volume viscosity of the negative electrode active material layer is 1.50 g/cc or more and not more than 1.75 g/cc, and a specific surface area of the negative electrode active material is 0.8 m/g or more and not more than 4.0 m/g 

Nonaqueous electrolyte battery

A secondary battery includes: an electrolytic solution; a positive electrode; and a negative electrode, at least one of the positive electrode, the negative electrode, and the electrolytic solution containing an alkyl carbonate represented by the following formula (1)R&#x2014;O&#x2014;C(&#x2550;O)&#x2014;O&#x2014;X&#x2003;&#x2003;(1)wherein R is a linear alkyl group or halogenated alkyl group having a carbon number of from 8 to 20, or a branched alkyl group or halogenated alkyl group having a carbon number of from 8 to 20 in a main chain thereof; and X is an alkali metal element.

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

A nonaqueous electrolyte includes: a solvent, an electrolyte salt, and at least one of heteropolyacid salt compounds represented by the following formulae (I) and (II): HA[BDO].zHO (I), HA[BDO].rHO (II). A represents Li, Na, K, Rb, Cs, Mg, Ca, Al, NH, or an ammonium salt or phosphonium salt; B represents P, Si, As or Ge; D represents at least one element selected from Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Zr, Nb, Mo, Tc, Rh, Cd, In, Sn, Ta, W, Re and Tl; x, y and z are values falling within the ranges of (0&#x2266;x&#x2266;1), (2&#x2266;y&#x2266;4) and (0&#x2266;z&#x2266;5), respectively; and p, q and r are values falling within the ranges of (0&#x2266;p&#x2266;5), (10&#x2266;q&#x2266;15) and (0&#x2266;r&#x2266;15), respectively.

Nonaqueous electrolyte and nonaqueous electrolyte battery

A lithium ion secondary battery includes a cathode and an anode being opposed to each other with a separator in between, and an electrolytic solution. One or more of the cathode, the anode, and the separator contain an organic silicon compound including a compound having a polysilsesquioxane skeleton.

Lithium ion secondary battery, electronic device, electric power tool, electrical vehicle, and electric power storage system

A sliding mechanism comprising a double-folded flexible printed circuit board (FPC); a stiffener coupled to the double-folded FPC; first pins; second pins; and an opening defined by a first cover, wherein when the double-folded FPC and the stiffener move, within the opening, in synchronization along a first range of motion to an open position of the slider mechanism, the stiffener makes contact with the first pins at the open position, and when the double-folded FPC and the stiffener move, within the opening, in synchronization along a second range of motion to a closed position of the slider mechanism, the stiffener makes contact with the second pins at the closed position.

Double-folded flexible printed circuit board for slider-type mobile devices

A rotational hinge including a first casing linkage; a second casing linkage; a hinge linkage; and a synchronization linkage, wherein the synchronization linkage is coupled to the first casing linkage and the second casing linkage to synchronize a fixed rotational axis and a moving rotational axis that provides one or more degrees of rotation.

Growing community of inventors

Fukushima, Japan

Ichiro Yamada