公开(公告)号：US10601042B2

公开(公告)日：2020-03-24

申请号：US15560749

申请日：2015-09-17

Applicant: TAIHEIYO CEMENT CORPORATION

Inventor： Hiroki Yamashita ,  Tomoki Hatsumori ,  Atsushi Nakamura ,  Takaaki Ogami

IPC: H01M4/583 ,  H01M4/36 ,  H01M4/62 ,  H01M4/04 ,  C01B25/45 ,  C01B33/32 ,  H01M4/1397 ,  H01M4/58 ,  H01M4/136 ,  C01B32/20 ,  H01M10/052 ,  H01M10/054 ,  H01M10/0525 ,  H01M4/02

Abstract: The present invention provides a positive electrode active substance for a secondary cell, the positive electrode active substance capable of suppressing adsorption of water effectively in order to obtain a high-performance lithium ion secondary cell or sodium ion secondary cell. The present invention also provides a method for producing the positive electrode active substance for a secondary cell. That is, the present invention is a positive electrode active substance for a secondary cell, in which a water-insoluble electrically conductive carbon material and carbon obtained by carbonizing a water-soluble carbon material are supported on a compound containing at least iron or manganese, the compound represented by formula (A) LiFeaMnbMnbM1cPO4, formula (B) Li2FedMneM2fSiO4, or formula (C) NaFegMnhQiPO4.

公开(公告)号：US10581066B2

公开(公告)日：2020-03-03

申请号：US15752496

申请日：2016-08-15

Applicant: The Regents of the University of California

Inventor： Juchen Guo ,  Noam Hart

IPC: H01M4/1397 ,  C01B17/28 ,  C01B32/05 ,  H01M4/1393 ,  H01M4/36 ,  H01M4/58 ,  H01M4/587 ,  H01M10/0525 ,  H01M4/133 ,  H01M4/136 ,  H01M4/02

Abstract: A lithium-sulfide-carbon composite and methods are shown. In one example, the lithium-sulfide-carbon composites are used as an electrode in a battery, such as a lithium ion battery.

公开(公告)号：US10566658B2

公开(公告)日：2020-02-18

申请号：US15831709

申请日：2017-12-05

Applicant: Commissariat A L'Energie Atomique Et Aux Energies Alternatives

Inventor： Sébastien Solan ,  Laura Boutafa ,  Lionel Picard ,  Angèle Ravachol

IPC: H01M10/0565 ,  H01M4/139 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/13 ,  H01M4/04 ,  H01M10/0585 ,  H01M4/02 ,  H01M4/1397 ,  H01M4/1391

Abstract: The present invention relates to a lithium-ion battery including: a positive electrode including an active positive electrode material, and advantageously a lithium salt; an electrolyte including a lithium salt; and a negative electrode including an active negative electrode material, and advantageously a lithium salt. In this battery, the positive electrode, the negative electrode, and the electrolyte all three appear in the form of gels, and all three include a polymer and a dinitrile compound of formula N≡C—R—C≡N; R being a hydrocarbon group CnH2n, n being an integer between 1 and 2; the weight ratio of the dinitrile compound to the polymer being in the range from 60/40 to 90/10.

公开(公告)号：US20200035997A1

公开(公告)日：2020-01-30

申请号：US16522898

申请日：2019-07-26

Applicant: THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： JANG KYO KIM ,  SHANSHAN YAO ,  JIANG CUI

IPC: H01M4/1397 ,  H01M4/04 ,  H01M10/0525 ,  H01M10/054 ,  H01M4/62 ,  H01M4/136 ,  H01M4/58

Abstract: Methods of synthesizing few-layer two-dimensional (2D) Sb2S3 nanosheets using scalable chemical exfoliation are provided. The 2D Sb2S3 nanosheets can be developed as bi-functional anode materials in both lithium ion batteries and sodium ion batteries. The unique structural and functional features brought by 2D Sb2S3 nanosheets can offer short electron/ion diffusion paths and abundant active sites for surface redox reactions.

公开(公告)号：US10541416B2

公开(公告)日：2020-01-21

申请号：US15742681

申请日：2016-06-22

Applicant: Sumitomo Seika Chemicals Co., Ltd.

Inventor： Yasuhito Ushijima ,  Junichi Fujishige ,  Shun Hashimoto ,  Yuji Kinpara

IPC: H01B1/20 ,  H01M4/00 ,  H01M4/62 ,  H01M4/13 ,  H01M4/1397 ,  H01M4/139 ,  H01M4/136 ,  H01M4/58 ,  H01M10/0525 ,  H01M4/02

Abstract: Provided is a binder for lithium ion secondary battery positive electrodes, which is capable of providing a positive electrode for lithium ion secondary batteries with excellent high-rate discharge characteristics. A binder for lithium ion secondary battery positive electrodes, which contains a binder resin and 500 ppm or less of an oil-soluble radical initiator.

公开(公告)号：US10513794B2

公开(公告)日：2019-12-24

申请号：US14960998

申请日：2015-12-07

Applicant: West Virginia University

Inventor： Jianhua Yan ,  Bingyun Li ,  Xingbo Liu

IPC: H01M4/66 ,  C25D13/22 ,  H01M10/052 ,  H01M4/04 ,  H01M4/136 ,  H01M4/1397 ,  H01M4/62 ,  H01M4/36

Abstract: A multilayered cathode for a lithium sulfur battery comprising at least one current collector working electrode having a surface comprising a carbon containing layer, two or more sulfur containing layers wherein at least one of the sulfur layers is located in juxtaposition to and in communication with the carbon containing layer, and at least one outermost layer comprising a positively charged polymer for forming interconnected layers of the sulfur containing layer, the carbon containing layer, and the polymer. Preferably, the cathode has layers that are alternatively arranged of two or more different sulfur containing layers. A lithium sulfur battery is provided and a method of making a multilayered cathode for a lithium sulfur battery is disclosed.

公开(公告)号：US10403927B2

公开(公告)日：2019-09-03

申请号：US15585951

申请日：2017-05-03

Applicant: MURATA MANUFACTURING CO., LTD.

Inventor： Yuichi Sabi ,  Katsunori Takahara ,  Hiroyuki Morioka ,  Tatsuya Furuya ,  Koichiro Hinokuma ,  Reina Ichikawa ,  Yui Senda ,  Momoe Adachi

IPC: H01M10/05 ,  H01M10/0525 ,  H01M2/02 ,  H01M4/131 ,  H01M4/136 ,  H01M6/40 ,  H01M10/0562 ,  H01M10/0585 ,  H01M10/054 ,  H01M10/12 ,  H01M4/1391 ,  H01M4/1397

Abstract: In one embodiment, a thin film solid state lithium ion secondary battery is able to be charged and discharged in the air and is able to be manufactured stably at a favorable yield. The thin film solid state lithium ion secondary battery has an electric insulating substrate formed from an organic resin, an inorganic insulating film provided on the substrate face, a cathode-side current collector film, a cathode active material film, a solid electrolyte film, an anode potential formation layer, and an anode-side current collector film. The cathode-side current collector film and/or the anode-side current collector film is formed on the inorganic insulating film face. The anode potential formation layer is a layer formed from the same material as that of the cathode active material film or a material different from that of the cathode active material film and is a layer provided for forming anode potential at the time of discharge.

公开(公告)号：US20190207253A1

公开(公告)日：2019-07-04

申请号：US16296640

申请日：2019-03-08

Applicant: FUJIFILM Corporation

Inventor： Masaomi MAKINO ,  Hiroaki MOCHIZUKI ,  Toshihiko YAWATA

IPC: H01M10/0562 ,  H01M10/058 ,  H01M4/1315 ,  H01M4/136 ,  H01M4/13915 ,  H01M4/1397 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M4/62 ,  H01M4/66 ,  H01M10/052

CPC classification number: H01M10/0562 ,  H01M4/02 ,  H01M4/04 ,  H01M4/13 ,  H01M4/131 ,  H01M4/1315 ,  H01M4/136 ,  H01M4/139 ,  H01M4/1391 ,  H01M4/13915 ,  H01M4/1397 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M4/62 ,  H01M4/621 ,  H01M4/66 ,  H01M10/04 ,  H01M10/052 ,  H01M10/058 ,  Y02E60/122 ,  Y02T10/7011

Abstract: Provided are an electrode layer material including a sulfide-based inorganic solid electrolyte (A) having conductivity of an ion of a metal belonging to Group I or II of a periodic table, an organic compound (B), and an active material (C), in which Expression (1) is satisfied, an electrode sheet for an all-solid state secondary battery, and an all-solid state secondary battery. 0.1≤Ec/Ic≤1,000   Expression (1) In the expression, Ec represents an electron conductivity of the electrode layer material, and Ic represents an ion conductivity of the electrode layer material.

公开(公告)号：US10326165B2

公开(公告)日：2019-06-18

申请号：US15451485

申请日：2017-03-07

Applicant: BASF Corporation

Inventor： Kwo Young ,  Tiejun Meng ,  Jean Nei ,  Diana Wong

IPC: H01M10/05 ,  H01M2/30 ,  H01M4/04 ,  H01M10/0562 ,  H01M4/131 ,  H01M4/136 ,  H01M4/1391 ,  H01M4/1397 ,  H01M4/36 ,  H01M4/50 ,  H01M4/58 ,  H01M4/60 ,  H01M4/66 ,  H01M10/0585 ,  H01M4/02 ,  H01M4/38 ,  H01M10/34

Abstract: The present application discloses s an electrochemical cell (battery) comprising a hydrogen storage negative electrode (anode), a positive electrode (cathode) and a solid proton-conducting electrolyte in contact with the electrodes. The solid proton-conducting electrolyte comprises a silicon material which comprises at least 35 at % silicon.

公开(公告)号：US10312506B2

公开(公告)日：2019-06-04

申请号：US15308166

申请日：2015-05-06

Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY

Inventor： Nicolas Tran ,  Genovefa Wendrich

IPC: H01M4/1393 ,  H01M4/136 ,  C01B25/37 ,  C01B25/45 ,  H01M4/36 ,  H01M4/58 ,  H01M4/62 ,  H01M4/04 ,  H01M4/133 ,  H01M4/1397 ,  H01M4/587 ,  H01M10/0525 ,  H01M4/02

Abstract: A process for the preparation of carbon-coated lithium transition metal phosphate having the formula Li0.9+xMyMn1−yPO4 and its use as cathode material in secondary lithium-ion batteries wherein the process includes few synthesis steps which can be conducted easily, therefore providing a low cost process and results in a complete reaction of the starting material compounds or the mixtures thereof. At least one starting material compound is dispersed or dissolved in an essentially aqueous medium and heated to a temperature between 50° C. and 100° C. prior to addition of the remaining starting material compounds.