Murata Manufacturing Co., Ltd.

Sony Corporation

Murata Manufacturingco., Ltd.

Kazumasa Takeshi

Tadahiko Kubota

Toru Odani

Hiroki Mita

Shuhei Sugita

Katsuaki Kawasumi

Takumi Hiasa

Aiko Nakamura

Takashi Tamura

Gabriele Nelles

Yosuke Saito

Izaya Okae

Shinichiro Yamada

William E Ford

Seiichiro Tabata

Koichiro Hinokuma

Hiroyuki Morioka

Silvia Rosselli

Hironori Iida

Kazuaki Fukushima

Shun Yamanoi

Graham Sandford

David Danner

Norihito Kobayashi

Vitor Deichmann

Dennis Chercka

Kenji Kishimoto

Ryohei Tsuda

Masataka Nakajin

Takato Yokoji

Yusuke Morino

Nadejda Krasteva

Nobuhiro Inoue

Qiaoshu Hu

Joshua Walton

Clemens Wall

William Ford

A secondary battery is provided. The secondary battery includes a cathode; an anode; and an electrolytic solution including a cyano compound.

Secondary battery

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 lithium ion secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution containing a polycyclic aromatic compound.

Electrolyte for lithium ion secondary battery, lithium ion secondary battery, battery pack, electric vehicle, electric power storage system, electric tool and electronic device

A battery includes a positive electrode containing sulfur, a negative electrode containing a material for occluding and releasing a lithium ion, and an electrolytic solution. The electrolytic solution contains at least one of a liquid complex and a liquid salt in which a polysulfide is insoluble or almost insoluble, and a solvent in which a polysulfide is soluble. The electrolytic solution has a LiSsaturation sulfur concentration of 10 mM or more and 400 mM or less.

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

A secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution where (A) the electrolytic solution contains a solvent and an electrolyte salt, the solvent containing ethylene carbonate, (B) a content of the electrolyte salt is from 0.8 mol/kg to 2.0 mol/kg both inclusive, (C) a content of the ethylene carbonate in the solvent is from 10 wt % to 30 wt % both inclusive, (D) a ratio M2/M1 of a number M2 of moles of the ethylene carbonate to a number M1 of moles of the electrolyte salt is from 0.4 to 2.4 both inclusive, and (E) the electrolytic solution contains at least one of sulfone compounds.

Electrolyte for secondary battery, secondary battery, battery pack, electric vehicle, electric power storage system, electric tool and electronic device

A secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution containing a sulfonamide compound.

A secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution including an unsaturated cyclic compound.

Electrolytic solution for secondary batteries, secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic device

A secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution including at least one of sulfonyl compounds expressed by R(&#x2014;S(&#x2550;O)&#x2014;Rf), where R represents an n-valent hydrocarbon group including one or two or more aliphatic hydrocarbon rings, Rf includes one of a halogen group and a monovalent halogenated hydrocarbon group, n is an integer greater than or equal to 1.

Electrolytic solution for secondary battery, secondary battery, battery pack, electrically driven vehicle, power storage system, electrically driven tool, and electronic device

A secondary battery is provided. The secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The electrolytic solution includes at least one of a first heterocyclic compound and a second heterocyclic compound.

Electrolytic solution for secondary battery, secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic device

A secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution including at least one kind of sulfonyl compounds that are represented by a chemical formula R1(&#x2014;O&#x2014;C(&#x2550;O)&#x2014;R2-S(&#x2550;O)&#x2014;Rf1)or the like. In the chemical formula, R1 represents of an n1-valent hydrocarbon group, an n1-valent oxygen-containing hydrocarbon group, an n1-valent halogenated hydrocarbon group and an n1-valent halogenated oxygen-containing hydrocarbon group. R2 represents one of a divalent hydrocarbon group and a divalent halogenated hydrocarbon group. Rf1 represents one of a halogen group and a monovalent halogenated hydrocarbon group. n1 is an integer of 2 or more.

Electrolytic solution for secondary battery, secondary battery, battery pack, electrically driven vehicle and electronic equipment

The secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution including at least one kind of cyclic nitrogen compounds and at least one of a first nitrile compound and a second nitrile compound.

Electrolytic solution for secondary battery, secondary battery, battery pack, electrically-driven vehicle, electric power storage system, electrically-driven tool, and electronic device

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

The secondary battery includes an electrolyte layer including an electrolytic solution and a polymer compound, a positive electrode, and a negative electrode. The polymer compound includes one or both of a first polymer compound and a second polymer compound. The first polymer compound further includes a first homopolymer and one or both of a second homopolymer and a second copolymer. The second polymer compound further includes a third copolymer and one or both of a fourth homopolymer and a fourth copolymer.

[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.

Growing community of inventors

Kyoto, Japan

Kazumasa Takeshi