公开(公告)号：US20180315996A1

公开(公告)日：2018-11-01

申请号：US16009318

申请日：2018-06-15

Applicant: NGK INSULATORS, LTD.

Inventor： Yukinobu YURA ,  Shigeki OKADA

IPC: H01M4/04 ,  H01M4/48 ,  H01M4/58 ,  H01M4/80 ,  H01M4/66 ,  H01M10/0525

CPC classification number: C01G51/00 ,  H01M4/485

Abstract: A plate-shaped lithium composite oxide is used as a positive electrode of a lithium ion battery. The plate-shaped lithium composite oxide is composed of a plurality of bound primary particles. The plurality of bound primary particles are respectively constituted by a lithium composite oxide having a layered rock-salt structure. An average number of the primary particles disposed in a thickness direction perpendicular to a plate face is less than or equal to 6.

公开(公告)号：US10079392B2

公开(公告)日：2018-09-18

申请号：US15202582

申请日：2016-07-06

Applicant: Industrial Technology Research Institute

Inventor： Kun-Ping Huang ,  Yu-Wen Chi

IPC: H01M4/86 ,  H01G11/86 ,  H01M4/90 ,  H01M4/80 ,  H01M4/92 ,  H01G11/36 ,  C23C16/511 ,  H01M4/88 ,  C23C16/26

CPC classification number: H01M4/8652 ,  C23C16/26 ,  C23C16/511 ,  H01G11/36 ,  H01G11/86 ,  H01M4/8867 ,  H01M4/9041 ,  H01M4/9083 ,  H01M4/921 ,  H01M4/926 ,  Y02E60/13

Abstract: A metal-doped graphene and a growth method of the same are provided. The metal-doped graphene includes graphene and metal elements, wherein the metal elements accounts for 1-30 at % based on the total content of the metal-doped graphene. The growth method includes performing a PECVD by using a carbon precursor, a metal precursor, and a group VI precursor in order to grow the metal-doped graphene.

公开(公告)号：US10033030B1

公开(公告)日：2018-07-24

申请号：US15212580

申请日：2016-07-18

Applicant: HRL Laboratories, LLC

Inventor： John J. Vajo ,  Adam F. Gross ,  Ping Liu ,  Jocelyn Hicks-Garner ,  Elena Sherman ,  Sky Van Atta

IPC: H01M4/04 ,  H01M10/39 ,  H01M4/58 ,  H01M4/80

Abstract: Variations of the invention provide an improved aluminum battery consisting of an aluminum anode, a non-aqueous electrolyte, and a cathode comprising a metal oxide, a metal fluoride, a metal sulfide, or sulfur. The cathode can be fully reduced upon battery discharge via a multiple-electron reduction reaction. In some embodiments, the cathode materials are contained within the pore volume of a porous conductive carbon scaffold. Batteries provided by the invention have high active material specific energy densities and good cycling stabilities at a variety of operating temperatures.

公开(公告)号：US20180175434A1

公开(公告)日：2018-06-21

申请号：US15384781

申请日：2016-12-20

Applicant: Nanotek Instruments, Inc.

Inventor： Aruna Zhamu ,  Hui He ,  Baofei Pan ,  Yu-Sheng Su ,  Bor Z Jang

IPC: H01M10/04 ,  H01M4/66 ,  H01M4/80 ,  H01M4/62 ,  H01M4/58 ,  H01M4/587 ,  H01M10/054 ,  H01M10/0525 ,  H01M4/525 ,  H01M2/02

CPC classification number: H01M10/054 ,  H01M4/75 ,  H01M10/04 ,  H01M10/052 ,  H01M2002/0205

Abstract: Provided is a process for producing a cable-shaped alkali metal battery, comprising: (a) providing a first electrode comprising an electrically conductive porous rod having pores and a first mixture of a first electrode active material and a first electrolyte, wherein the first mixture resides in these pores; (b) wrapping around or encasing the first electrode with a porous separator to form a porous separator-protected structure; (c) wrapping around or encasing the porous separator-protected structure with a second electrode which comprises an electrically conductive porous layer, wherein the conductive porous layer contains pores and a second mixture of a second electrode active material and a second electrolyte, and the second mixture resides in the pores of the porous layer; and wrapping around or encasing the second electrode with a protective casing or sheath to form the battery.

公开(公告)号：US09997787B2

公开(公告)日：2018-06-12

申请号：US15277794

申请日：2016-09-27

Applicant: JENAX INC.

Inventor： Kwon Seok Kim

IPC: H01M4/70 ,  H01M4/74 ,  H01M4/72 ,  H01M4/13 ,  H01M4/80 ,  H01M4/00 ,  H01M2/16 ,  H01M10/04 ,  H01M4/02

CPC classification number: H01M4/70 ,  H01M2/1673 ,  H01M4/00 ,  H01M4/13 ,  H01M4/72 ,  H01M4/74 ,  H01M4/806 ,  H01M10/0436 ,  H01M2004/025 ,  Y02E60/122

Abstract: The present invention relates to an electrode assembly comprising fiber-shaped structures. The electrode assembly for a battery according to one embodiment of the present invention comprises: a first electrode including a plurality of first fiber-shaped structures extending in a first direction; a second electrode including a plurality of second fiber-shaped structures which extend in a second direction other than the first direction, and the polarities of which are different from the polarities of the first structures; and a first separator film interposed between the first structures and the second structures which intersect with each other, so as to separate the first structures and the second structures from each other.

公开(公告)号：US20180090768A1

公开(公告)日：2018-03-29

申请号：US15714883

申请日：2017-09-25

Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA

Inventor： Xiangfeng DUAN ,  Yu HUANG ,  Hongtao SUN

IPC: H01M4/80 ,  H01M4/48 ,  H01M4/36 ,  H01M4/66 ,  H01M4/04 ,  C01B32/194

CPC classification number: H01M4/80 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/194 ,  C01P2006/40 ,  H01G11/26 ,  H01G11/36 ,  H01G11/46 ,  H01G11/70 ,  H01G11/86 ,  H01M4/0471 ,  H01M4/13 ,  H01M4/131 ,  H01M4/139 ,  H01M4/1391 ,  H01M4/366 ,  H01M4/386 ,  H01M4/387 ,  H01M4/48 ,  H01M4/483 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M4/62 ,  H01M4/625 ,  H01M4/663 ,  H01M4/667 ,  H01M2004/021 ,  Y10S977/734 ,  Y10S977/846 ,  Y10S977/948

Abstract: A method of forming an electrode material includes: (1) loading an electrochemically active material onto graphene sheets; (2) combining the electrochemically active material-loaded graphene sheets with holey graphene oxide sheets to form a mixture; and (3) treating the mixture under reducing conditions to form a composite including a graphene framework loaded with the electrochemically active material.

公开(公告)号：US09929445B2

公开(公告)日：2018-03-27

申请号：US15100409

申请日：2013-12-13

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Zhiqiang Yu ,  Haijing Liu ,  Xiaochao Que ,  Qiang Wu

IPC: H01M4/00 ,  H01M10/48 ,  H01M2/02 ,  H01M4/485 ,  H01M4/58 ,  H01M4/66 ,  H01M10/0525 ,  H01M10/0585 ,  H01M4/131 ,  H01M4/136 ,  H01M4/80 ,  H01M10/04 ,  H01M4/02

CPC classification number: H01M10/48 ,  H01M2/021 ,  H01M4/131 ,  H01M4/136 ,  H01M4/485 ,  H01M4/5825 ,  H01M4/661 ,  H01M4/80 ,  H01M10/0445 ,  H01M10/0525 ,  H01M10/0585 ,  H01M2004/021 ,  Y02T10/7011

Abstract: Some lithium-ion batteries are assembled using a plurality of electrically interconnected battery pouches to obtain the electrical potential and power requirements of the battery application. In this disclosure, such battery pouches are prepared to contain a stacked grouping of inter-layered and interconnected anodes, cathodes, and separators, each wetted with a liquid electrolyte. A pair of reference electrodes is combined in a specific arrangement with other cell members to enable accurate assessment of both anode group and cathode group performance, and to validate and regenerate reference electrode capability.

公开(公告)号：US09882238B2

公开(公告)日：2018-01-30

申请号：US13986575

申请日：2013-05-16

Applicant: Nanotek Instruments, Inc.

Inventor： Hui He ,  Bor Z Jang ,  Yanbo Wang ,  Aruna Zhamu ,  Wei Xiong

IPC: H01M4/36 ,  H01M10/056 ,  H01M10/052 ,  H01M4/136 ,  H01M4/38 ,  H01M4/58 ,  H01M4/66 ,  H01M4/80 ,  H01M10/0566 ,  H01M4/134 ,  H01M4/74

CPC classification number: H01M10/056 ,  H01M4/134 ,  H01M4/136 ,  H01M4/38 ,  H01M4/382 ,  H01M4/5815 ,  H01M4/663 ,  H01M4/668 ,  H01M4/747 ,  H01M4/80 ,  H01M4/806 ,  H01M10/052 ,  H01M10/0566 ,  H01M2300/0025 ,  Y02E60/122 ,  Y02T10/7011

Abstract: A rechargeable lithium-sulfur cell comprising a cathode, an anode, a separator electronically separating the two electrodes, a first electrolyte in contact with the cathode, and a second electrolyte in contact with the anode, wherein the first electrolyte contains a first concentration, C1, of a first lithium salt dissolved in a first solvent when the first electrolyte is brought in contact with the cathode, and the second electrolyte contains a second concentration, C2, of a second lithium salt dissolved in a second solvent when the second electrolyte is brought in contact with the anode, wherein C1 is less than C2. The cell exhibits an exceptionally high specific energy and a long cycle life.

公开(公告)号：US09882202B2

公开(公告)日：2018-01-30

申请号：US13881788

申请日：2011-10-14

Applicant: Tatsuhiro Nozue ,  Hirohiko Murakami

Inventor： Tatsuhiro Nozue ,  Hirohiko Murakami

IPC: H01M4/1393 ,  H01M4/133 ,  H01M4/136 ,  H01M4/1397 ,  H01M4/38 ,  H01M4/66 ,  H01M4/80 ,  H01M10/052

CPC classification number: H01M4/1393 ,  H01M4/133 ,  H01M4/136 ,  H01M4/1397 ,  H01M4/38 ,  H01M4/382 ,  H01M4/663 ,  H01M4/806 ,  H01M10/052

Abstract: Provided are a positive electrode for a lithium-sulfur secondary battery and a method of forming the same, the positive electrode being capable of maintaining battery characteristics such as a specific capacity and a cycling characteristic while achieving a high rate characteristic in particular when being applied to a lithium-sulfur secondary battery. A positive electrode of a lithium-sulfur secondary battery includes a positive electrode current collector and carbon nanotubes grown on a surface of the positive electrode current collector and oriented in a direction orthogonal to the surface. At least the surface of each of the carbon nanotubes is covered with sulfur with a certain interstice left between neighboring ones of the carbon nanotubes.

公开(公告)号：US09825282B2

公开(公告)日：2017-11-21

申请号：US14239142

申请日：2012-09-03

Applicant: Carsten Schuh ,  Thomas Soller

Inventor： Carsten Schuh ,  Thomas Soller

IPC: H01M4/131 ,  H01M4/1391 ,  H01M4/38 ,  H01M4/52 ,  H01M4/80 ,  H01M10/39 ,  H01M4/02

CPC classification number: H01M4/131 ,  H01M4/1391 ,  H01M4/38 ,  H01M4/523 ,  H01M4/801 ,  H01M4/803 ,  H01M10/39 ,  H01M2004/021

Abstract: A storage element for a solid electrolyte battery is provided, having a main member of a porous ceramic matrix in which particles, that are made of a metal and/or a metal oxide and jointly form a redox couple, are embedded, the particles having a lamellar shape.