公开(公告)号：US20190088967A1

公开(公告)日：2019-03-21

申请号：US15907902

申请日：2018-02-28

申请人： Kabushiki Kaisha Toshiba

发明人： Taishi Fukazawa ,  Wu Mei ,  Yuta Kanai

IPC分类号： H01M8/1004 ,  H01M8/242 ,  H01M8/04291 ,  H01M4/64 ,  H01M4/88

摘要： An electrode of an embodiment includes a catalyst layer having pores. A mode diameter of the pores is 10 μm or more and 100 μm or less.

公开(公告)号：US20190019633A1

公开(公告)日：2019-01-17

申请号：US16071861

申请日：2017-01-27

申请人： GS Yuasa International Ltd.

发明人： Shun ITO

IPC分类号： H01G11/70 ,  H01M2/26 ,  H01M2/30 ,  H01G11/28 ,  H01G11/68 ,  H01M4/64

摘要： An energy storage device includes: a positive electrode terminal, a negative electrode terminal, an electrode assembly, a positive current collector and a negative current collector which respectively connect the positive electrode terminal and the negative electrode terminal to the electrode assembly. The positive current collector includes: a first connecting portion which is connected with the positive electrode terminal, and a second connecting portion which is connected with the electrode assembly and the first connecting portion. The first connecting portion includes: a base portion which is connected to the second connecting portion, and an attachment portion which is provided to protrude from the base portion in a direction which is opposite to a direction toward the positive electrode terminal. In the attachment portion, a through hole through which a shaft portion of the positive electrode terminal is inserted is formed.

公开(公告)号：US10147556B2

公开(公告)日：2018-12-04

申请号：US14659651

申请日：2015-03-17

申请人： SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

发明人： Aya Uchida ,  Teppei Oguni ,  Rie Yokoi ,  Jun Ishikawa

IPC分类号： H01G11/24 ,  H01G11/28 ,  H01G11/26 ,  H01M2/08 ,  H01M2/22 ,  H01M2/24 ,  H01M2/26 ,  H01M4/64 ,  H01G11/62 ,  H01M10/0569 ,  H01G11/06 ,  H01G11/60 ,  H01M10/052 ,  H01G11/52

摘要： A power storage device with high capacity, a power storage device with high energy density, a highly reliable power storage device, and a long-life power storage device are provided. The power storage device includes a positive electrode, a separator, a negative electrode, and an electrolytic solution. The electrolytic solution contains an alkali metal salt and an ionic liquid. The separator is located between the positive electrode and the negative electrode. At least part of the positive electrode overlaps with the negative electrode. At least part of an end portion of the negative electrode is located inside a region between end portions of the positive electrode.

公开(公告)号：US10122022B2

公开(公告)日：2018-11-06

申请号：US14640556

申请日：2015-03-06

申请人： SAMSUNG SDI CO., LTD.

发明人： Jong-Woo Nam ,  Sang-Won Byun

IPC分类号： H01M2/22 ,  H01M2/24 ,  H01M2/26 ,  H01M4/64 ,  H01M4/70 ,  H01M4/78 ,  H01M10/647 ,  H01M2/30 ,  H01M2/34 ,  H01M2/04 ,  H01M2/02

摘要： A secondary battery includes a case; an electrode assembly accommodated in the case, and including a first electrode plate, a second electrode plate, and a separator between the first and second electrode plates; a first terminal portion electrically connected to the electrode assembly; and a cap plate configured to cover an opening of the case, and the first terminal portion includes a first electrode terminal passing through the cap plate to protrude upward from a first position of the cap plate, and a first current collector including a first end connected to the first electrode terminal, and a second end connected to the first electrode plate, the first current collector including a plurality of notches.

公开(公告)号：US10079403B2

公开(公告)日：2018-09-18

申请号：US14554918

申请日：2014-11-26

申请人： CYMBET CORPORATION

发明人： Steven C. Grady ,  Jeffrey S. Sather ,  Blair A. Wilson

IPC分类号： H01M6/46 ,  H01M10/04 ,  H01M2/10 ,  H01M2/20 ,  H01M2/22 ,  H01M2/26 ,  H01M6/40 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0585 ,  H01M10/42 ,  H01M4/64 ,  H01M4/131 ,  H01M4/133 ,  H01M10/0562

CPC分类号： H01M10/0436 ,  H01M2/1022 ,  H01M2/204 ,  H01M2/22 ,  H01M2/26 ,  H01M4/131 ,  H01M4/133 ,  H01M4/64 ,  H01M6/40 ,  H01M6/46 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0562 ,  H01M10/0585 ,  H01M10/4207 ,  H01M10/425 ,  H01M2220/30 ,  Y10T29/49108 ,  Y10T29/49112

摘要： Disclosed is a stacked array of a plurality of thin film batteries electrically connected in a staggered configuration, where the side edges of the array preferably generally conform to an interior surface of an electronic device or component thereof in order to save space. In an embodiment, the stacked array comprises at least one battery having a single surface in contact with a plurality of batteries. In another embodiment, a shaped array of a plurality of thin film batteries electrically are connected together, whereby a plurality of batteries are arranged in a single layer on a non-rectangular substrate adjacent to one another generally in the shape of the surface of the substrate. Additionally, a thin film battery is described having at least one via through the substrate and at least one other via through an insulation layer to provide electronic connection to the battery cell.

公开(公告)号：US20180254486A1

公开(公告)日：2018-09-06

申请号：US15909580

申请日：2018-03-01

申请人： TDK CORPORATION

发明人： Takuya AOKI ,  Yasuyuki KAWANAKA

IPC分类号： H01M4/62 ,  H01M10/0525 ,  H01M10/04 ,  H01M4/64

CPC分类号： H01M4/623 ,  H01M4/13 ,  H01M4/38 ,  H01M4/625 ,  H01M4/64 ,  H01M10/0459 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0569 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2300/0025 ,  H01M2300/0037

摘要： A negative electrode active material includes a carbon material, and at least one sulfur component selected from the group consisting of sulfur atoms and a sulfur compound, wherein a content of the sulfur component with respect to a total amount of the carbon material and the sulfur component is 0.0005 mass % or more and 0.01 mass % or less in terms of S measured by a fluorescent X-ray analysis method, the carbon material is artificial graphite, and the artificial graphite has a bulk density of 0.2 g/cm3 or more and 2.5 g/cm3 or less. A negative electrode includes a negative electrode current collector, and a negative electrode active material layer formed on the negative electrode current collector, wherein the negative electrode active material layer includes the above-described negative electrode active material. A lithium ion secondary battery includes the above-described negative electrode, a positive electrode, and an electrolytic solution.

公开(公告)号：US20180226700A1

公开(公告)日：2018-08-09

申请号：US15571343

申请日：2016-09-29

申请人： LG CHEM, LTD.

发明人： Young-Jin KIM ,  Hyuk-Su KIM

IPC分类号： H01M10/653 ,  H01M4/139 ,  H01M4/64 ,  F26B3/18

CPC分类号： H01M10/653 ,  F26B3/18 ,  F26B3/20 ,  F26B5/04 ,  H01M4/04 ,  H01M4/139 ,  H01M4/64 ,  H01M10/052

摘要： Disclosed is an electrode drying device, which includes a drying chamber configured to accommodate a roll-shaped electrode, and a drying unit provided in the drying chamber to dry the electrode, the drying unit being configured to surround the electrode.

公开(公告)号：US10033053B2

公开(公告)日：2018-07-24

申请号：US15028789

申请日：2014-10-03

申请人： Sumitomo Electric Industries, Ltd.

发明人： Hiroyuki Nakaishi

IPC分类号： H01M4/64 ,  H01M8/0258 ,  H01M8/18 ,  H01M8/0202 ,  H01M8/20 ,  H01M8/248

摘要： A flow battery includes a cell, a bipolar plate which is in contact with one of a positive electrode and a negative electrode constituting the cell, a current collector plate which has a terminal portion that is led out to the outside of the cell and is electrically connected to the bipolar plate, and a supply/discharge plate which is stacked on the current collector plate and supplies and discharges electrolytes to and from the cell. When the side of the supply/discharge plate facing the current collector plate is regarded as a front surface and the side opposite thereto is regarded as a back surface, the supply/discharge plate has an insertion hole which passes between the front surface and the back surface thereof and into which the terminal portion is inserted, and the terminal portion passes through the insertion hole and extends from the front surface side to the back surface side of the supply/discharge plate to be led out.

公开(公告)号：US20180191024A1

公开(公告)日：2018-07-05

申请号：US15740920

申请日：2017-03-30

申请人： LG Chem, Ltd.

发明人： Sung Hoon Yu

IPC分类号： H01M10/058 ,  H01M10/052 ,  H01M10/0569 ,  H01M10/04 ,  H01M2/16 ,  H01M4/64 ,  H01M4/04 ,  H01M4/505 ,  H01M4/525

CPC分类号： H01M10/058 ,  H01M2/162 ,  H01M2/1653 ,  H01M2/1666 ,  H01M2/1673 ,  H01M2/1686 ,  H01M4/0404 ,  H01M4/505 ,  H01M4/525 ,  H01M4/64 ,  H01M10/0459 ,  H01M10/052 ,  H01M10/0569 ,  H01M2004/027 ,  H01M2004/028

摘要： The present invention relates to a method of preparing a secondary battery which includes providing a film layer, which includes a first solvent having a melting temperature of 25° C. or more and a viscosity of 1.5 cP or more, between a separator and an electrode (step 1), preparing an electrode assembly by using the electrode, the film layer, and the separator (step 2), and accommodating the electrode assembly in a case, injecting an injection solution including a second solvent, and sealing the case (step 3), and a secondary battery prepared by the method. According to the method of preparing a secondary battery of the preset invention, since electrolyte solution impregnability may be improved, performance and safety of the secondary battery may be further improved.

公开(公告)号：US20180114975A1

公开(公告)日：2018-04-26

申请号：US15561955

申请日：2016-02-01

申请人： NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY

发明人： Masahiro YANAGIDA ,  Hideaki TANAKA ,  Tetsuo SAKAI ,  Masanori MORISHITA ,  Toru KAWAI

IPC分类号： H01M4/134 ,  H01M4/38 ,  H01M4/62 ,  H01M4/64 ,  H01M10/0525

CPC分类号： H01M4/134 ,  C01B33/021 ,  C01B33/06 ,  H01M4/364 ,  H01M4/386 ,  H01M4/622 ,  H01M4/64 ,  H01M4/662 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/027

摘要： A lithium ion battery negative electrode is used in a lithium ion battery. In the electrode, a negative electrode active material which is a Si alloy composed of a eutectic structure of a Si phase and a Si2Ti phase and another negative electrode active material layer containing a binder having a three-dimensional structure are formed on a negative electrode current collector.