公开(公告)号：US20220115699A1

公开(公告)日：2022-04-14

申请号：US17422423

申请日：2020-01-22

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： HIDEO SAKATA ,  NAO MATSUMURA ,  HIDEKI SHIMAMOTO ,  TOSHIAKI SHIMIZU

IPC: H01M10/0567 ,  H01M10/0569 ,  H01M10/0525 ,  H01M10/0568 ,  H01M4/60

Abstract: An electrochemical device includes a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, and an electrolytic solution. The positive electrode active material includes a conductive polymer, and the electrolytic solution contains anions and cations. The conductive polymer is capable of doping and dedoping of the anions. The cations includes a lithium ion and a quaternary ammonium ion.

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.

公开(公告)号：US20180374661A1

公开(公告)日：2018-12-27

申请号：US16115568

申请日：2018-08-29

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TOUGO ENDOU ,  YASUYUKI ITO ,  SUSUMU NOMOTO ,  NAO MATSUMURA ,  HIROKI HAYASHI ,  MAKOTO AKUTSU

IPC: H01G11/86 ,  H01M10/0585 ,  H01M10/0587 ,  H01M2/26 ,  H01M4/1399 ,  H01M4/66

Abstract: A method for manufacturing a positive electrode for a power storage device includes the steps of: preparing a current collector that includes a first region and a second region on a surface of the current collector, the first region having a carbon layer formed on the surface, the second region having the surface exposed; and forming a conductive polymer layer selectively on a surface of the carbon layer by immersing the current collector in an electrolytic solution containing a raw material monomer and then conducting electrolytic polymerization of the raw material monomer.

公开(公告)号：US20180323432A1

公开(公告)日：2018-11-08

申请号：US16037011

申请日：2018-07-17

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： HIROKI HAYASHI ,  NAO MATSUMURA ,  YASUYUKI ITO ,  SUSUMU NOMOTO ,  MAKOTO AKUTSU ,  TOUGO ENDOU

IPC: H01M4/583 ,  H01M4/66 ,  H01M4/137 ,  H01M4/1393 ,  H01M4/04 ,  H01M2/26 ,  H01M2/16 ,  H01M10/0525

CPC classification number: H01M4/583 ,  H01G11/06 ,  H01G11/48 ,  H01G11/86 ,  H01M2/1626 ,  H01M2/26 ,  H01M4/0466 ,  H01M4/137 ,  H01M4/1393 ,  H01M4/1399 ,  H01M4/36 ,  H01M4/60 ,  H01M4/661 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0566 ,  H01M2004/021 ,  H01M2004/027 ,  H01M2004/028

Abstract: A positive electrode active material for an electrochemical device has a fiber shape or a grain-aggregate shape. The positive electrode active material includes an inner core part having a fiber shape or a grain-aggregate shape, and a superficial part covering at least part of the inner core part. The inner core part contains a first conductive polymer, and the superficial part contains a second conductive polymer that is different from the first conductive polymer.

公开(公告)号：US20180212245A1

公开(公告)日：2018-07-26

申请号：US15924289

申请日：2018-03-19

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KIYOHIRO ISII ,  TAKUMA ASARI ,  CHIHO NOBUMORI ,  YASUYUKI ITO ,  NAO MATSUMURA

IPC: H01M4/60 ,  H01G11/86 ,  H01G11/48 ,  H01G11/58 ,  H01G11/06 ,  H01G11/50 ,  H01G11/66 ,  H01M10/0568 ,  H01M10/0525 ,  H01M4/137 ,  H01M4/1399 ,  H01M10/0585

CPC classification number: H01M4/606 ,  H01G11/06 ,  H01G11/48 ,  H01G11/50 ,  H01G11/58 ,  H01G11/66 ,  H01G11/82 ,  H01G11/86 ,  H01M4/137 ,  H01M4/1399 ,  H01M4/60 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0566 ,  H01M10/0568 ,  H01M10/058 ,  H01M10/0585 ,  H01M2004/028 ,  H01M2300/0025 ,  Y02E60/13 ,  Y02T10/7022

Abstract: A method for manufacturing an electrochemical device includes the following steps: a step of preparing a positive electrode, the positive electrode including a first current collector and a positive electrode layer containing a conductive polymer; a step of preparing a negative electrode, the negative electrode including a second current collector and a negative electrode layer; and a step of sealing the positive electrode, the negative electrode, and an electrolytic solution in an exterior body. The step of preparing the positive electrode includes a step of holding the positive electrode in depressurized atmosphere and then introducing gas containing CO2 as a primary component into the depressurized atmosphere.

公开(公告)号：US20160314907A1

公开(公告)日：2016-10-27

申请号：US15202584

申请日：2016-07-06

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YASUYUKI ITO ,  HIROYUKI YANAGISAWA ,  KOICHI MORIKAWA ,  ERI HIROSE ,  NAO MATSUMURA ,  MITSUHIRO FUJITA

IPC: H01G11/26 ,  H01G11/38 ,  H01G11/42

CPC classification number: H01G11/26 ,  H01G11/24 ,  H01G11/28 ,  H01G11/38 ,  H01G11/42 ,  H01G11/68 ,  Y02E60/13

Abstract: A capacitor electrode includes a substrate having electrical conductivity, a conductive layer formed on a surface of the substrate, and an electrode layer formed on the conductive layer. The electrode layer is allowed to adsorb and desorb ions on a surface thereof. The conductive layer contains flake graphite. A density of the conductive layer is greater than 1.1 g/cm3. An average particle size D50 of the flake graphite, which is measured by using a dynamic light scattering method, is less than or equal to 10 μm.

Abstract translation: 电容器电极包括具有导电性的基板，形成在基板的表面上的导电层和形成在导电层上的电极层。 允许电极层在其表面上吸附和解吸离子。 导电层含有片状石墨。 导电层的密度大于1.1g / cm 3。 使用动态光散射法测定的片状石墨的平均粒径D50为10μm以下。