公开(公告)号：US20240266538A1

公开(公告)日：2024-08-08

申请号：US18635132

申请日：2024-04-15

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Hiroatsu TODORIKI ,  Yumiko SAITO ,  Takahiro KAWAKAMI ,  Kuniharu NOMOTO ,  Mikio YUKAWA

IPC: H01M4/583 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/192 ,  C01B32/23 ,  H01G9/042 ,  H01G11/22 ,  H01G11/32 ,  H01G11/36 ,  H01M4/04 ,  H01M4/133 ,  H01M4/139 ,  H01M4/1393 ,  H01M4/587 ,  H01M4/62 ,  H01M6/16 ,  H01M10/0525 ,  H01M10/0566

CPC classification number: H01M4/5835 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/192 ,  C01B32/23 ,  H01G9/042 ,  H01G11/22 ,  H01G11/32 ,  H01G11/36 ,  H01M4/0438 ,  H01M4/133 ,  H01M4/139 ,  H01M4/1393 ,  H01M4/587 ,  H01M4/62 ,  H01M6/16 ,  H01M10/0566 ,  H01M10/0525 ,  Y02E60/13

Abstract: The formation method of graphene includes the steps of forming a layer including graphene oxide over a first conductive layer; and supplying a potential at which the reduction reaction of the graphene oxide occurs to the first conductive layer in an electrolyte where the first conductive layer as a working electrode and a second conductive layer with a as a counter electrode are immersed. A manufacturing method of a power storage device including at least a positive electrode, a negative electrode, an electrolyte, and a separator includes a step of forming graphene for an active material layer of one of or both the positive electrode and the negative electrode by the formation method.

公开(公告)号：US11870097B2

公开(公告)日：2024-01-09

申请号：US17861742

申请日：2022-07-11

Applicant: Meta Materials Inc.

Inventor： Steven A. Carlson

IPC: H01M4/40 ,  H01M4/64 ,  H01M4/14 ,  H01M10/0525 ,  H01M10/0585 ,  H01M50/46 ,  H01M10/052 ,  H01M10/42 ,  H01M50/403 ,  H01M50/446 ,  H01M4/04 ,  H01M4/66 ,  H01M4/70 ,  H01M6/14 ,  H01M6/16 ,  H01M4/136 ,  H01M4/02

CPC classification number: H01M50/46 ,  H01M4/0402 ,  H01M4/0421 ,  H01M4/405 ,  H01M4/64 ,  H01M4/661 ,  H01M4/70 ,  H01M6/14 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0585 ,  H01M10/4235 ,  H01M50/403 ,  H01M50/446 ,  H01M4/136 ,  H01M6/16 ,  H01M2004/028 ,  Y02P70/50 ,  Y02T10/70 ,  Y10T29/4911 ,  Y10T29/49115

Abstract: Provided are methods of preparing a separator/anode assembly for use in an electric current producing cell, wherein the assembly comprises an anode current collector layer interposed between a first anode layer and a second anode layer and a porous separator layer on the side of the first anode layer opposite to the anode current collector layer, wherein the first anode layer is coated directly on the separator layer.

公开(公告)号：US11616231B2

公开(公告)日：2023-03-28

申请号：US17750436

申请日：2022-05-23

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Mayumi Mikami ,  Aya Uchida ,  Yumiko Yoneda ,  Yohei Momma ,  Masahiro Takahashi ,  Teruaki Ochiai

IPC: H01B1/08 ,  H01M4/525 ,  H01M4/131 ,  C01G53/00 ,  H01M4/133 ,  H01M4/134 ,  H01M4/139 ,  H01M4/36 ,  H01M4/505 ,  H01M10/0525 ,  H01M6/16 ,  H01M4/02

Abstract: A positive electrode active material having high capacity and excellent cycle performance is provided. The positive electrode active material has a small difference in a crystal structure between the charged state and the discharged state. For example, the crystal structure and volume of the positive electrode active material, which has a layered rock-salt crystal structure in the discharged state and a pseudo-spinel crystal structure in the charged state at a high voltage of approximately 4.6 V, are less likely to be changed by charge and discharge as compared with those of a known positive electrode active material.

公开(公告)号：US11539079B2

公开(公告)日：2022-12-27

申请号：US16580194

申请日：2019-09-24

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Kazuhiro Iida ,  Takanobu Chiga ,  Naoya Morisawa ,  Atsushi Fukui

IPC: H01M10/0569 ,  H01M10/052 ,  H01M6/16

Abstract: A nonaqueous electrolyte includes a lithium salt and a nonaqueous solvent in which the lithium salt is dissolved. The nonaqueous solvent includes a fluorinated chain carboxylate ester and a dicarbonyl compound having two carbonyl groups in the molecule. The dicarbonyl compound is at least one selected from the group consisting of esters and acid anhydrides and has not more than three atoms between the two carbonyl groups.

公开(公告)号：US20220367884A1

公开(公告)日：2022-11-17

申请号：US17679014

申请日：2022-02-23

Applicant: Massachusetts Institute of Technology

Inventor： Betar Gallant ,  Timothy Manning Swager ,  Kosuke Yoshinaga ,  Haining Gao

IPC: H01M6/16 ,  H01M4/38 ,  H01M4/583 ,  H01M10/0567

Abstract: Systems, articles, and methods directed to electrochemical systems (e.g., batteries) and the electrochemical reduction of halogenated compounds are generally described. In certain embodiments, the halogenated compound comprises a haloalkane associated with a conjugated system via at least one alkene linker or alkyne linker.

公开(公告)号：US11462771B2

公开(公告)日：2022-10-04

申请号：US16469385

申请日：2017-12-11

Applicant: MU IONIC SOLUTIONS CORPORATION

Inventor： Koji Abe

IPC: H01M10/0568 ,  H01M10/0525 ,  H01M10/0569 ,  H01G11/60 ,  H01M12/06 ,  H01G11/64 ,  H01M10/052 ,  H01M6/16 ,  H01M10/0567

Abstract: The present invention relates to a nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution containing 0.1 to 5% by mass of a compound represented by the following general formula (I) and an energy storage device including the foregoing nonaqueous electrolytic solution. This nonaqueous electrolytic solution is able to improve charging storage properties and discharging storage properties of an energy storage device when used in the high-temperature and high-voltage environment. In the formula, R1 and R2 each independently represent an alkyl group having 1 to 4 carbon atoms.

公开(公告)号：US11437649B2

公开(公告)日：2022-09-06

申请号：US16420847

申请日：2019-05-23

Applicant: Medtronic, Inc.

Inventor： Hui Ye ,  Timothy T. Bomstad ,  Parthasarathy M. Gomadam ,  Gaurav Jain ,  Christian S. Nielsen ,  Prabhakar A. Tamirisa ,  Collette M. VanElzen

IPC: H01M6/04 ,  H01M10/0568 ,  H01M4/38 ,  H01M4/54 ,  H01M4/583 ,  H01M10/052 ,  H01M10/0565 ,  H01M6/18 ,  H01M6/16 ,  H01M10/0569 ,  H01M50/411

Abstract: Separator and electrolyte composites include a porous self-supporting separator film between or adjacent one or two electrolyte films. The electrolyte films may contain a glyme or mixture of glymes, LiX salt and complexing agent, such as PEO. The porous self-supporting separator film may be used dry or wetted with a liquid electrolyte composition. Solid state batteries include the described separator and electrolyte composites in combination with an anode and a cathode.

公开(公告)号：US11424486B2

公开(公告)日：2022-08-23

申请号：US17064930

申请日：2020-10-07

Applicant: CENTRAL GLASS CO., LTD.

Inventor： Takayoshi Morinaka ,  Makoto Kubo ,  Wataru Kawabata ,  Masutaka Shinmen ,  Hiroki Matsuzaki ,  Mikihiro Takahashi

IPC: H01M10/0569 ,  H01M10/0525 ,  H01M10/0567 ,  H01M4/505 ,  H01M4/525 ,  H01M4/36 ,  H01M10/052 ,  H01M10/0568 ,  H01M6/16 ,  H01M4/02

Abstract: Provided is an electrolyte for a non-aqueous electrolyte battery, which can provide, when used in a non-aqueous electrolyte battery, in a good balance, an effect to suppress an increase in an internal resistance at a low temperature and an effect to suppress an increase in an amount of gas generated at a high temperature, as well as a non-aqueous electrolyte battery containing such an % electrolyte. The non-aqueous electrolyte comprises a non-aqueous solvent and at least a hexafluorophosphate and/or tetrafluoroborate as a solute, and further comprises at least one imide anion-containing salt represented by the following general formula [1] but does not contain a silane compound represented by the following general formula [2] or an ionic complex represented by, for example, the following general formula [3].

公开(公告)号：US20220255076A1

公开(公告)日：2022-08-11

申请号：US17729170

申请日：2022-04-26

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Mayumi MIKAMI ,  Aya UCHIDA ,  Yumiko YONEDA ,  Yohei MOMMA ,  Masahiro TAKAHASHI ,  Teruaki OCHIAI

IPC: H01M4/525 ,  C01G53/00 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/139 ,  H01M4/36 ,  H01M4/505 ,  H01M10/0525 ,  H01M6/16

Abstract: A positive electrode active material having high capacity and excellent cycle performance is provided. The positive electrode active material has a small difference in a crystal structure between the charged state and the discharged state. For example, the crystal structure and volume of the positive electrode active material, which has a layered rock-salt crystal structure in the discharged state and a pseudo-spinel crystal structure in the charged state at a high voltage of approximately 4.6 V, are less likely to be changed by charge and discharge as compared with those of a known positive electrode active material.

公开(公告)号：US11411251B2

公开(公告)日：2022-08-09

申请号：US16707757

申请日：2019-12-09

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Insun Park ,  Myongchun Koh ,  Jinah Seo ,  Dongyoung Kim ,  Yeonji Chung

IPC: H01M6/16 ,  H01M10/0567 ,  C07C317/02 ,  C07F9/141 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M4/02

Abstract: An electrolyte including: a lithium salt; a non-aqueous solvent; a compound represented by Formula 1; and a compound represented by Formula 2 wherein R1, R2, R3, R11, and R12 in Formulae 1 and 2 are as described in the detailed description.