公开(公告)号：US12218352B2

公开(公告)日：2025-02-04

申请号：US17226511

申请日：2021-04-09

Applicant: Apple Inc.

Inventor： Hongli Dai ,  Huiming Wu ,  Chi-Kai Lin ,  Michael J. Erickson ,  Martin Bettge ,  Xiaoping Wang ,  Yan Li ,  Yanjie Cui ,  James A. Gilbert ,  Zhenzhen Yang ,  Anh D. Vu ,  Arthur Jeremy Kropf ,  Hakim H. Iddir ,  Christopher S. Johnson ,  John David Carter

IPC: H01M4/58 ,  H01M4/04 ,  H01M4/50 ,  H01M4/505 ,  H01M4/52 ,  H01M4/525 ,  H01M10/05 ,  H01M10/0525

Abstract: The disclosure provides a plurality of particles. Each particle may include a material comprising 0.95 to 1.30 mole fraction Li, at least 0.60 and less than 1.00 mole fraction Co, up to 10,000 ppm Al, 1.90 to 2.10 mole fraction O, and up to 0.30 mole fraction M, where M is at least one element selected from B, Na, Mg, P, Ti, Ca, V, Cr, Fe, Mn, Ni, Cu, Zn, Al, Sc, Y, Ga, Zr, Ru, Mo, La, Si, Nb, Ge, In, Sn, Sb, Te, and Ce. Each particle may also include a surface composition comprising a mixture of LiF and a metal fluoride. An amount of fluorine (F) is greater than 0 and less than or equal to 5000 ppm. The metal fluoride comprises a material selected from the group consisting of AlF3, CaF2, MgF2, and LaF2. The surface composition may also include a metal oxide comprising a material selected from the group consisting of TiO2, MgO, La2O3, CaO, and Al2O3. An amount of the metal oxide is greater than 0 and less than or equal to 20000 ppm.

公开(公告)号：US20250038192A1

公开(公告)日：2025-01-30

申请号：US18777088

申请日：2024-07-18

Applicant: MURATA MANUFACTURING CO., LTD.

Inventor： Li WANG ,  Yuli LI ,  Kazumasa TAKESHI

IPC: H01M4/50 ,  C01G45/02 ,  H01M4/02 ,  H01M4/04 ,  H01M4/62 ,  H01M10/36

Abstract: A manganese dioxide positive electrode material, a positive electrode sheet and a preparation method therefor, and a zinc ion battery are provided. The manganese dioxide positive electrode material for a zinc ion battery includes a mixed material of micron-sized manganese dioxide particles and nano-sized manganese dioxide particles, an aqueous binder, and a conductive agent; wherein the micron-sized manganese dioxide particles have an average particle size of about 1 μm to about 10 μm, and the nano-sized manganese dioxide particles have an average particle size of about 100 nm to about 500 nm.

公开(公告)号：US20250006950A1

公开(公告)日：2025-01-02

申请号：US18709675

申请日：2022-08-25

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Satoshi Nishitani

IPC: H01M6/16 ,  H01M4/06 ,  H01M4/50

Abstract: Disclosed is a nonaqueous liquid electrolyte including a solute, a nonaqueous solvent, an isocyanate component, and a phenol component. The nonaqueous liquid electrolyte is used in a power storage device.

公开(公告)号：US20240339648A1

公开(公告)日：2024-10-10

申请号：US18293941

申请日：2022-08-02

Applicant: Maxell, Ltd.

Inventor： Kyoji Tsuji ,  Keisuke Kawabe ,  Genyo Kaneko ,  Yuki Suwada

IPC: H01M10/04 ,  H01M4/02 ,  H01M4/06 ,  H01M4/38 ,  H01M4/50 ,  H01M6/16 ,  H01M50/107

CPC classification number: H01M10/0431 ,  H01M4/06 ,  H01M4/382 ,  H01M4/502 ,  H01M6/16 ,  H01M50/107 ,  H01M2004/027

Abstract: A cylindrical lithium primary battery includes an electrode body that is configured such that a positive electrode and a negative electrode are spirally wound with a separator interposed therebetween. The positive electrode includes a positive electrode current collector and positive electrode mixture layers that are disposed on both surfaces of the positive electrode current collector and contain manganese dioxide as a positive electrode active material. The negative electrode includes a negative electrode current collector and two lithium layers that are disposed on one surface of the negative electrode current collector and spaced 6 to 12 mm apart in the longitudinal direction. The negative electrode is wound in such a manner that the negative electrode is folded back so that the folded negative electrode current collector overlaps itself, and the inner peripheral ends of the two lithium layers are respectively located outside the winding center.

公开(公告)号：US12091327B2

公开(公告)日：2024-09-17

申请号：US17973729

申请日：2022-10-26

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Tomohiro Yokoyama

IPC: H01M4/50 ,  C01G53/00 ,  F27B9/28 ,  F27B9/36 ,  H01M4/505 ,  H01M4/525 ,  F27D3/00 ,  H01M4/02

CPC classification number: C01G53/50 ,  F27B9/28 ,  F27B9/36 ,  H01M4/505 ,  H01M4/525 ,  F27D2003/0042 ,  H01M2004/028

Abstract: Provided is a production apparatus for a cathode active material for lithium ion secondary batteries which can improve productivity. The production apparatus is provided with: a conveying device that conveys a raw material of a cathode active material, the raw material containing a metallic compound and a lithium compound, the metallic compound including at least one metallic element selected from the group consisting of nickel, cobalt, and manganese; and a heating unit in which the raw material is heated, wherein the heating unit has at least one heating member that heats the raw material by heat conduction, the conveying device has a conveying member that conveys the raw material, the heating member heats the raw material via the conveying member, and the conveying member has a retaining part for the raw material of the cathode active material along a side part thereof in a width direction.

公开(公告)号：US20240258567A1

公开(公告)日：2024-08-01

申请号：US18436508

申请日：2024-02-08

Applicant: MURATA MANUFACTURING CO., LTD.

Inventor： Yurika UENO ,  Kohei WATANABE ,  Jun YAGISAWA

IPC: H01M10/0567 ,  H01M4/02 ,  H01M4/50 ,  H01M4/62 ,  H01M4/76 ,  H01M10/0568 ,  H01M10/0569 ,  H01M50/193

CPC classification number: H01M10/0567 ,  H01M4/502 ,  H01M4/623 ,  H01M4/625 ,  H01M4/76 ,  H01M10/0568 ,  H01M10/0569 ,  H01M50/193 ,  H01M2004/021 ,  H01M2004/028 ,  H01M2300/0037

Abstract: A non-aqueous electrolytic solution battery is provided and including a positive electrode containing a positive electrode mixture containing manganese dioxide, a negative electrode containing a lithium element, and a non-aqueous electrolytic solution, in which in an X-ray photoelectron spectroscopy (XPS) spectrum of the positive electrode mixture, a peak intensity ratio I2/I1 of Mn2p3/2 satisfies a following formula (1)







0.3
≦


I
2


I
1


≦
0.55




(
1
)







in the formula (1), I1 represents a peak intensity at a binding energy of 642 eV, and I2 represents a peak intensity at a binding energy of 640 eV.

公开(公告)号：US20240250284A1

公开(公告)日：2024-07-25

申请号：US18560425

申请日：2022-04-19

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： NAOAKI NISHIMURA ,  TADAYOSHI TAKAHASHI ,  KYOSUKE OKAZAKI ,  FUTOSHI TANIGAWA

IPC: H01M10/04 ,  H01M4/02 ,  H01M4/06 ,  H01M4/38 ,  H01M4/50 ,  H01M6/16 ,  H01M50/119 ,  H01M50/169 ,  H01M50/489

CPC classification number: H01M10/0431 ,  H01M4/06 ,  H01M4/382 ,  H01M4/502 ,  H01M6/16 ,  H01M50/119 ,  H01M50/169 ,  H01M50/489 ,  H01M2004/021

Abstract: A lithium primary battery includes an outer can, a wound-electrode assembly, and a non-aqueous electrolyte. The wound-electrode assembly includes a positive electrode, a negative electrode, and a separator which are provided between the electrodes and are wound together. The positive electrode contains manganese dioxide. The negative electrode contains at least one substance selected from the group consisting of metallic lithium and metallic lithium containing a lithium alloy, and has a first main surface and a second main surface opposite to the first main surface. The first main surface and an entirety of the second main surface of the negative electrode face the positive electrode. The total area S of the first main surface and the second main surface of the negative electrode satisfies 250 cm2≤S≤700 cm2. The thickness Tp of the positive electrode satisfies 0.8 mm≤Tp≤1.4 mm. The outer diameter D of the outer can satisfies 25 mm≤D≤37 mm. The distance C between the outer can and the wound-electrode assembly satisfies 0.3 mm≤C≤1.0 mm.

公开(公告)号：US20240136577A1

公开(公告)日：2024-04-25

申请号：US18010817

申请日：2022-11-16

Applicant: SHENZHEN CAPCHEM TECHNOLOGY CO., LTD.

Inventor： Yonghong Deng ,  Yunxian Qian ,  Shiguang Hu ,  Xionggui Lin ,  Hongmei Li

IPC: H01M10/0567 ,  H01M4/50 ,  H01M10/42

CPC classification number: H01M10/0567 ,  H01M4/502 ,  H01M10/4235 ,  H01M10/0525

Abstract: In order to solve the problem that the existing manganese-based positive electrode material battery has insufficient high-temperature cycle and high-temperature storage performances due to the dissolution of manganese ions, the present application provides a secondary battery, comprising a positive electrode, a negative electrode and a non-aqueous electrolyte, the positive electrode comprises a positive electrode material layer containing a positive electrode active material, the positive electrode active material comprises a manganese-based material, and the non-aqueous electrolyte comprises a solvent, an electrolyte salt and an additive, and the additive comprises a compound represented by structural formula 1:




the secondary battery meets the following requirements:


0.05≤100×W×u/(q×s)≤5;



and 2.0 g/Ah≤W≤4.5 g/Ah, 0.05%≤u≤3.5%, 5%≤q≤65%, 10 mg/cm2≤s≤30 mg/cm2.

The secondary battery has a high capacity retention rate in the cycle and high-temperature storage processes, and has good cycle and storage performances.

公开(公告)号：US11962017B2

公开(公告)日：2024-04-16

申请号：US18159453

申请日：2023-01-25

Applicant: Printed Energy Pty Ltd

Inventor： Vera N. Lockett ,  Yasser Salah ,  John G. Gustafson ,  William J. Ray ,  Sri Harsha Kolli

IPC: H01M4/00 ,  H01G11/10 ,  H01G11/24 ,  H01G11/26 ,  H01G11/36 ,  H01G11/46 ,  H01G11/52 ,  H01M4/48 ,  H01M4/50 ,  H01M4/62 ,  H01M4/90 ,  H01M8/16 ,  H01G11/02 ,  H01M6/40 ,  H01M10/05

CPC classification number: H01M4/9016 ,  H01G11/10 ,  H01G11/24 ,  H01G11/26 ,  H01G11/36 ,  H01G11/46 ,  H01G11/52 ,  H01M4/483 ,  H01M4/502 ,  H01M4/625 ,  H01M8/16 ,  H01G11/02 ,  H01M6/40 ,  H01M10/05 ,  H01M2300/0045 ,  Y02E60/13 ,  Y02E60/50

Abstract: The disclosed technology generally relates to energy storage devices, and more particularly to energy storage devices comprising frustules. According to an aspect, a supercapacitor comprises a pair of electrodes and an electrolyte, wherein at least one of the electrodes comprises a plurality of frustules having formed thereon a surface active material. The surface active material can include nanostructures. The surface active material can include one or more of a zinc oxide, a manganese oxide and a carbon nanotube.

公开(公告)号：US11923582B2

公开(公告)日：2024-03-05

申请号：US17290064

申请日：2019-10-29

Applicant: NEWSOUTH INNOVATIONS, PTY LIMITED

Inventor： Chuan Zhao ,  Haocheng Guo ,  Yachao Zeng ,  Wenhao Ren ,  Zhen Su ,  Xuancheng Peng

IPC: H01M8/18 ,  H01M4/50 ,  H01M4/86 ,  H01M4/96 ,  H01M12/08 ,  H01M4/02

CPC classification number: H01M8/188 ,  H01M4/50 ,  H01M4/8626 ,  H01M4/96 ,  H01M12/08 ,  H01M2004/028 ,  H01M2004/8684

Abstract: Disclosed herein are batteries and methods of making batteries. The batteries disclosed herein generally comprise a cathode, an electrolyte capable of conducting protons and/or hydronium ions, and an anode comprising a material capable of absorbing protons and/or hydronium ions, wherein (i) the cathode is in contact with a cathode substance, or (ii) the electrolyte comprises a reduced cathode substance, or (iii) the cathode is in contact with a cathode substance and the electrolyte comprises a reduced cathode substance, and wherein the cathode substance is an oxide of one or more metals or an oxide of a halide.