公开(公告)号：US20210119261A1

公开(公告)日：2021-04-22

申请号：US16975169

申请日：2019-03-22

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： HIDEO SAKATA ,  YUSUKE NAKAMURA ,  MASATOSHI TAKESHITA ,  MOTOHIRO SAKATA

IPC: H01M10/0569 ,  H01M4/60 ,  H01M10/0525

Abstract: An electrochemical device includes a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode active material, and an electrolytic solution. The positive electrode active material includes a conductive polymer, and the electrolytic solution includes a lithium salt and a nonaqueous solvent. The nonaqueous solvent contains a first solvent and a second solvent. The first solvent includes γ-butyrolactone, and the second solvent includes at least one selected from the group consisting of an unsaturated cyclic carbonate ester and a cyclic carboxylic acid anhydride.

公开(公告)号：US20210407741A1

公开(公告)日：2021-12-30

申请号：US17293525

申请日：2019-12-02

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： MOTOHIRO SAKATA ,  NAO MATSUMURA ,  MASATOSHI TAKESHITA

IPC: H01G11/48 ,  H01M4/60 ,  H01G11/52 ,  H01G11/54

Abstract: An electrochemical device electrode includes a conductive polymer as an active material. The conductive polymer has a grain shape, and an intensity distribution pattern obtained by X-ray diffraction measurement with respect to the conductive polymer has a first peak in which a diffraction angle 2θ ranges from 18° to 21°, inclusive, and a second peak in which a diffraction angle 2θ ranges from 24° to 26°, inclusive.

公开(公告)号：US20210066717A1

公开(公告)日：2021-03-04

申请号：US16977153

申请日：2019-03-22

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YUSUKE NAKAMURA ,  MOTOHIRO SAKATA ,  HIDEO SAKATA ,  MASATOSHI TAKESHITA

IPC: H01M4/587 ,  H01M10/0567 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/60 ,  H01G11/52 ,  H01G11/48 ,  H01G11/32 ,  H01G11/64

Abstract: An electrochemical device includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and an electrolytic solution. The positive electrode includes a conductive polymer, and the negative electrode includes a negative electrode material. The negative electrode material contains a graphite material, and an interlayer distance (d002) of the graphite material ranges from 0.336 nm to 0.338 nm, inclusive.

公开(公告)号：US20150302994A1

公开(公告)日：2015-10-22

申请号：US14439193

申请日：2013-11-01

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： CHIHO NOBUMORI ,  MOTOHIRO SAKATA ,  MITSUHIRO FUJITA

IPC: H01G9/048 ,  H01G9/02 ,  H01G9/042 ,  H01G9/145

CPC classification number: H01G9/048 ,  H01G9/02 ,  H01G9/042 ,  H01G9/145 ,  H01G11/24 ,  H01G11/26 ,  Y02E60/13 ,  Y02T10/7022

Abstract: A capacitor electrode includes a conductive base member and an electrode part electrically connected to the base member. The electrode part contains carbon particles of a first carbon material capable of adsorbing and desorbing ions. The electrode part further contains voids including first voids with diameters of not less than 0.2 μm and not more than 1.0 μm, and second voids with diameters of not less than 0.05 μm and less than 0.2 μm. The value of (VA×VA)/(VB×M) is greater than 0.022, where VA is the sum of the volumes of the first voids, VB is the sum of the volumes of the second voids, and M is the volume of the electrode part per unit weight of the electrode part.

Abstract translation: 电容器电极包括导体基体和电连接到基底的电极部分。 电极部包含能够吸附和解吸离子的第一碳材料的碳粒子。 电极部还包含直径不小于0.2μm且不大于1.0μm的第一空隙和直径不小于0.05μm且小于0.2μm的第二空隙的空隙。 （VA×VA）/（VB×M）的值大于0.022，其中VA是第一空隙的体积之和，VB是第二空隙的体积之和，M是 电极部分每单位重量的电极部分。

公开(公告)号：US20210391121A1

公开(公告)日：2021-12-16

申请号：US17271271

申请日：2019-09-25

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： HIROKI HAYASHI ,  MOTOHIRO SAKATA ,  NAO MATSUMURA ,  MASATOSHI TAKESHITA

IPC: H01G11/06 ,  H01G11/48 ,  H01M10/0569 ,  H01M4/133 ,  H01M10/0525

Abstract: An electrochemical device includes a pair of electrodes and an electrolytic solution. At least one of the pair of electrodes includes an electrode current collector and an electrode material layer supported by the electrode current collector. The electrode material layer includes at least a conductive polymer. A log differential pore volume distribution of the electrode material layer has at least one peak in a range of a pore diameter of more than or equal to 50 nm.

公开(公告)号：US20210057754A1

公开(公告)日：2021-02-25

申请号：US17042092

申请日：2019-04-24

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： HIROKI HAYASHI ,  TAKUMI YAMAGUCHI ,  NAO MATSUMURA ,  YASUYUKI ITO ,  MOTOHIRO SAKATA ,  HIDEO SAKATA

IPC: H01M4/66 ,  H01M4/137 ,  H01M2/16 ,  H01M4/1399 ,  H01M4/133

Abstract: An electrochemical device of the present invention includes a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode. The positive electrode includes a positive current collector containing aluminum, a positive electrode material layer containing a conductive polymer, and an aluminum oxide layer disposed on a surface of the positive current collector. The aluminum oxide layer contains fluorine.