公开(公告)号：US20240304808A1

公开(公告)日：2024-09-12

申请号：US18669462

申请日：2024-05-20

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiang ZHOU ,  Yao JIANG ,  Jiang LIU ,  Baiqing LI

IPC: H01M4/58 ,  H01M4/02 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M4/64 ,  H01M10/0525

CPC classification number: H01M4/5825 ,  H01M4/364 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M4/582 ,  H01M4/625 ,  H01M2004/021 ,  H01M2004/028 ,  H01M4/64 ,  H01M10/0525

Abstract: A positive electrode sheet, a secondary battery, a battery module, a battery pack and an electrical apparatus are described. The positive electrode sheet includes a positive electrode current collector and a positive electrode film layer arranged on at least one surface of the positive electrode current collector and having a single-layer or multi-layer structure. When the positive electrode film layer is of the single-layer structure, at least one positive electrode film layer comprises both a first positive electrode active material and a second positive electrode active material with a chemical formula of LiaAxMn1-yRyP1-zCzO4-nDn; and/or, when the positive electrode film layer is of the multi-layer structure, at least one layer of the at least one positive electrode film layer includes both a first and second positive electrode active material. The secondary battery made of the positive electrode sheet has high energy density and high battery cell rate performance.

公开(公告)号：US12074273B2

公开(公告)日：2024-08-27

申请号：US17519372

申请日：2021-11-04

Applicant: Alsym Energy, Inc.

Inventor： Rahul Mukherjee ,  Kripa Kiran Varanasi ,  Trevor John Simmons ,  Mukesh Chatter ,  Nikhil Ashok Koratkar

IPC: H01M10/054 ,  H01M4/136 ,  H01M4/505 ,  H01M4/58 ,  H01M4/62 ,  H01M4/66 ,  H01M4/78

CPC classification number: H01M10/054 ,  H01M4/136 ,  H01M4/505 ,  H01M4/58 ,  H01M4/622 ,  H01M4/661 ,  H01M4/78

Abstract: Described herein is an aqueous aluminum ion battery featuring an aluminum or aluminum alloy/composite anode, an aqueous electrolyte, and a manganese oxide, aluminosilicate or polymer-based cathode. The battery operates via an electrochemical reaction that entails an actual transport of aluminum ions between the anode and cathode. The compositions and structures described herein allow the aqueous aluminum ion battery described herein to achieve: (1) improved charge storage capacity; (2) improved gravimetric and/or volumetric energy density; (3) increased rate capability and power density (ability to charge and discharge in shorter times); (4) increased cycle life; (5) increased mechanical strength of the electrode; (6) improved electrochemical stability of the electrodes; (7) increased electrical conductivity of the electrodes, and (8) improved ion diffusion kinetics in the electrodes as well as the electrolyte.

公开(公告)号：US20240243281A1

公开(公告)日：2024-07-18

申请号：US18561711

申请日：2022-11-08

Applicant: ADVANCED CELL ENGINEERING, INC.

Inventor： John Kaufman ,  Karim Zaghib ,  Ayyakkannu Manivannan ,  Thomas Madden

IPC: H01M4/58 ,  H01M4/02 ,  H01M4/36 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0585

CPC classification number: H01M4/58 ,  H01M4/364 ,  H01M10/0568 ,  H01M10/0585 ,  H01M2004/027 ,  H01M2004/028 ,  H01M10/0525

Abstract: The present disclosure provides an uncycled lithium ion cathode including a lithium manganese iron phosphate (LMFP) cathode active material, a lithium manganese nickel iron phosphate (LMNFP) cathode active material, a lithium iron phosphate (LFP) cathode active material, a lithium iron cobalt phosphate (LFCP) cathode active material, a lithium iron manganese cobalt phosphate (LFMCP) cathode active material, or any combinations thereof, and a manganese iron phosphate (MFP) cathode active material, a manganese nickel iron phosphate (MNFP) cathode active material, an iron phosphate (FP) cathode active material, an iron cobalt phosphate (FCP) cathode active material, an iron cobalt manganese phosphate (FMCP) cathode active material, or any combinations thereof. The present disclosure further provides a lithium ion cell including such a cathode, a battery including such a cell, a battery pack including such a battery and a method of forming an electrode stack in such a battery.

公开(公告)号：US20240154116A1

公开(公告)日：2024-05-09

申请号：US18383728

申请日：2023-10-25

Applicant: LG Energy Solution, Ltd.

Inventor： Joon Hyeon Kang ,  Sang Mun Na ,  O Jong Kwon ,  Geum Jae Han

IPC: H01M4/58 ,  H01M10/052

CPC classification number: H01M4/58 ,  H01M10/052 ,  H01M2004/028

Abstract: A lithium secondary battery and a manufacturing method thereof, wherein the lithium secondary battery includes a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and an electrolyte, wherein the positive electrode includes a lithium iron phosphate-based compound having an amorphous-content index (AI) of 0.28 or less, preferably 0.20 to 0.28, and more preferably 0.20 to 0.27, as defined by the disclosed Equation (1).

公开(公告)号：US11973254B2

公开(公告)日：2024-04-30

申请号：US16456571

申请日：2019-06-28

Applicant: c/o FORM ENERGY INC.

Inventor： Liang Su ,  Wei Xie ,  Yet-Ming Chiang ,  William Henry Woodford ,  Lucas Cohen ,  Jessa Silver ,  Katelyn Ripley ,  Eric Weber ,  Marco Ferrara ,  Mateo Cristian Jaramillo ,  Theodore Alan Wiley

IPC: H01M8/18 ,  H01M4/50 ,  H01M4/58 ,  H01M8/1025 ,  H01M8/1246 ,  H01M50/429 ,  H01M50/44 ,  H01M50/451 ,  H01M50/489 ,  H01M50/491

CPC classification number: H01M8/184 ,  H01M4/50 ,  H01M4/58 ,  H01M4/5815 ,  H01M8/1025 ,  H01M8/1266 ,  H01M50/4295 ,  H01M50/44 ,  H01M50/451 ,  H01M8/188 ,  H01M50/489 ,  H01M50/491

Abstract: An electrochemical cell and battery system including cells, each cell including a catholyte, an anolyte, and a separator disposed between the catholyte and anolyte and that is permeable to the at least one ionic species (for example, a metal cation or the hydroxide ion). The catholyte solution includes a ferricyanide, permanganate, manganate, sulfur, and/or polysulfide compound, and the anolyte includes a sulfide and/or polysulfide compound. These electrochemical couples may be embodied in various physical architectures, including static (non-flowing) architectures or in flow battery (flowing) architectures.

公开(公告)号：US20240136522A1

公开(公告)日：2024-04-25

申请号：US18400271

申请日：2023-12-29

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Hiroyuki YAMAGUCHI ,  Hironori DAIKOKU ,  Jun YOSHIDA ,  Kazuhiro SUZUKI ,  Mitsutoshi OTAKI

IPC: H01M4/58 ,  C01B33/06

CPC classification number: H01M4/58 ,  C01B33/06 ,  C01P2002/72 ,  C01P2002/77 ,  C01P2006/40

Abstract: A main object of the present disclosure is to provide an active material wherein an expansion upon intercalation of a metal ion such as a Li ion is suppressed. The present disclosure achieves the object by providing an active material comprising a silicon clathrate type crystal phase, and the active material includes a Na element, a Si element and a M element that is a metal element with an ion radius larger than the Si element, and a proportion of the M element to a total of the Si element and the M element is 0.1 atm % or more and 5 atm % or less.

公开(公告)号：US20240136507A1

公开(公告)日：2024-04-25

申请号：US17971301

申请日：2022-10-20

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Jeffrey David CAIN ,  Nicholas Paul William PIECZONKA ,  Anil K. Sachdev

IPC: H01M4/36 ,  H01M4/04 ,  H01M4/58

CPC classification number: H01M4/366 ,  H01M4/0459 ,  H01M4/58 ,  H01M2004/021

Abstract: An electroactive material for an electrochemical cell that cycles lithium ions is provided. The electroactive material includes a plurality of atomic layers and a plurality of cations disposed between the atomic layers. The plurality of atomic layers includes an atom selected from the group consisting of: silicon, germanium, boron, and combinations thereof. The plurality of cations is selected from the group consisting of: calcium, magnesium, zinc, copper, nickel, potassium, sodium, and combinations thereof. A ratio of the cations to atoms that define the atomic layer may be less than about 1:2.

公开(公告)号：US11949105B2

公开(公告)日：2024-04-02

申请号：US17225570

申请日：2021-04-08

Applicant: IONIC MATERIALS, INC.

Inventor： Michael A. Zimmerman ,  Alexei B. Gavrilov ,  Ting Liu

IPC: H01M4/62 ,  C08G75/0209 ,  H01M4/04 ,  H01M4/06 ,  H01M4/131 ,  H01M4/24 ,  H01M4/36 ,  H01M4/38 ,  H01M4/48 ,  H01M4/50 ,  H01M4/58 ,  H01M6/18 ,  H01M10/054 ,  H01M10/0565 ,  H01M10/26 ,  C01F5/00 ,  G01N25/48 ,  H01M4/02 ,  H01M4/42

CPC classification number: H01M4/622 ,  C08G75/0209 ,  H01M4/0411 ,  H01M4/06 ,  H01M4/131 ,  H01M4/24 ,  H01M4/364 ,  H01M4/38 ,  H01M4/48 ,  H01M4/50 ,  H01M4/502 ,  H01M4/58 ,  H01M4/62 ,  H01M4/624 ,  H01M6/181 ,  H01M10/054 ,  H01M10/0565 ,  H01M10/26 ,  C01F5/00 ,  G01N25/4866 ,  H01M2004/027 ,  H01M2004/028 ,  H01M4/42 ,  H01M2300/0082

Abstract: The invention features an electrochemical cell having an anode and a cathode; wherein at least one of the anode and cathode includes a solid ionically conducting polymer material that can ionically conduct hydroxyl ions.

公开(公告)号：US20240088428A1

公开(公告)日：2024-03-14

申请号：US18507989

申请日：2023-11-13

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Sang-Eun Park ,  Young-Ugk Kim

IPC: H01M10/052 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/36 ,  H01M4/38 ,  H01M4/48 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M4/583 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0569 ,  H01M10/0587 ,  H01M50/417 ,  H01M50/434

CPC classification number: H01M10/052 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/366 ,  H01M4/386 ,  H01M4/483 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M4/583 ,  H01M4/623 ,  H01M10/0525 ,  H01M10/0569 ,  H01M10/0587 ,  H01M50/417 ,  H01M50/434 ,  H01M2004/027

Abstract: A negative active material for a rechargeable lithium battery includes a core including a SiO2 matrix and a Si grain, and a coating layer continuously or discontinuously coated on the core. The coating layer includes SiC and C, and the peak area ratio of the SiC (111) plane to the Si (111) plane as measured by X-ray diffraction analysis (XRD) using a CuKα ray ranges from about 0.01 to about 0.5.

公开(公告)号：US11916196B2

公开(公告)日：2024-02-27

申请号：US17203075

申请日：2021-03-16

Applicant: MURATA MANUFACTURING CO., LTD. ,  Hydro-Quebec

Inventor： Yuichiro Asakawa ,  Hiroshi Ueno ,  Shinichi Uesaka ,  Jean-Christophe Daigle ,  Melanie Beaupre ,  Karim Zaghib

IPC: H01M10/0567 ,  H01M4/58 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M4/485 ,  H01M4/02

CPC classification number: H01M10/0567 ,  H01M4/58 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M4/485 ,  H01M2004/027 ,  H01M2004/028

Abstract: A lithium-ion secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The electrolytic solution includes a solvent, an electrolyte salt, and an aminoanthraquinone polymer compound. The aminoanthraquinone polymer compound includes a divalent maleic anhydride part and a divalent aminoanthraquinone derivative part.