公开(公告)号：US12237474B2

公开(公告)日：2025-02-25

申请号：US16978520

申请日：2019-03-05

Applicant: MetaGenesis, Ltd.

Inventor： Yang Jin ,  Kai Liu ,  Jialiang Lang

IPC: H01M10/39 ,  H01M4/04 ,  H01M4/131 ,  H01M4/134 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M4/75 ,  H01M10/0525 ,  H01M10/0562

Abstract: Molten lithium electrochemical cells are disclosed. A solid electrolyte separates a molten lithium metal or molten lithium metal alloy from a cathode. The molten lithium cells provide high Coulombic efficiency and energy efficiency at operating temperatures less than 600° C. The cells are useful for stationary energy storage in power grids.

公开(公告)号：US12237459B2

公开(公告)日：2025-02-25

申请号：US18085001

申请日：2022-12-20

Applicant: Enevate Corporation

Inventor： Genis Turon Teixidor ,  Stephen W. Schank ,  Benjamin Yong Park ,  Rabih Bachir Zaouk

IPC: H01M10/04 ,  H01M4/134 ,  H01M10/0525 ,  H01M10/058 ,  H01M10/44 ,  H01M50/20 ,  H01M50/209 ,  H01M50/211

Abstract: A clamping device for an electrochemical cell stack is provided. The clamping device can include a first plate and a second plate. The second plate can be positionable relative to the first plate such that a space between the first plate and the second plate can be sized to receive an electrochemical cell stack. The device also can include a coupling member coupling the first plate to the second plate. At least one of the first and second plates can be movable away from the other plate. The coupling member can have a first end portion and a second end portion. The device further can include an elastic member disposed between the first end portion and the second end portion.

公开(公告)号：US20250062320A1

公开(公告)日：2025-02-20

申请号：US18480632

申请日：2023-10-04

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Yong Lu ,  Zhe Li ,  Qili Su ,  Haijing Liu

IPC: H01M4/36 ,  H01M4/04 ,  H01M4/134 ,  H01M4/136 ,  H01M4/1395 ,  H01M4/1397 ,  H01M4/38 ,  H01M4/525 ,  H01M4/58 ,  H01M10/052 ,  H01M10/0562 ,  H01M10/058

Abstract: A solid state battery cell includes an anode, a cathode, and a solid state electrolyte disposed between the anode and the cathode. The anode is a lithium metal composite anode that comprises a lithium metal layer and a metal sulfide. A method of manufacturing a battery cell includes disposing a lithium metal composite anode on an anode current collector, where the lithium metal composite anode comprises a lithium metal layer and a metal sulfide. A solid state electrolyte is then disposed on the lithium metal composite anode. A cathode active layer is disposed on the solid state electrolyte and a cathode current collector is disposed on the cathode active layer.

公开(公告)号：US20250062307A1

公开(公告)日：2025-02-20

申请号：US18632529

申请日：2024-04-11

Applicant: William Marsh Rice University

Inventor： James M. TOUR ,  Rodrigo Villegas SALVATIERRA ,  Duy Xuan LUONG

IPC: H01M4/04 ,  H01M4/02 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/36 ,  H01M4/38 ,  H01M4/62 ,  H01M10/052

Abstract: An electrochemical cell with a lithium-metal anode that suppresses dendrite formation and can be fabricated using a simple, inexpensive, and solvent-free process. The anode is coated with a layer of disordered nanomaterial, saturated with lithium ions, that suppresses dendrite formation during charging. The dendrite-suppression coating can be applied simply using a dry, abrasive technique in which the lithium-metal anode is alternately abraded to roughen the surface and polished using a polishing powder of a material that alloys with the lithium.

公开(公告)号：US12230786B2

公开(公告)日：2025-02-18

申请号：US18355768

申请日：2023-07-20

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Deokhyun Kim ,  Jaehyuk Kim ,  Jaemyung Kim ,  Soonsung Suh ,  Hana Yoo ,  Yungu Cho ,  Heeyoung Chu

IPC: H01M4/36 ,  H01M4/134 ,  H01M4/38 ,  H01M4/48 ,  H01M4/62 ,  H01M4/02 ,  H01M10/0525

Abstract: Anode active materials for lithium secondary batteries are provided. According to embodiments of the present disclosure, an anode active material includes: i) a first composite including at least two active silicon materials having different crystal sizes and a silicon oxide (SiOx) material (wherein 0

公开(公告)号：US20250055045A1

公开(公告)日：2025-02-13

申请号：US18417936

申请日：2024-01-19

Applicant: Ambri Inc.

Inventor： David J. BRADWELL ,  Hari NAYAR ,  Alex VAI ,  Tom KINNEY ,  Sean THERIAULT ,  Garrett LAU

IPC: H01M10/39 ,  B60L50/64 ,  B60L53/00 ,  B60L53/53 ,  H01M4/134 ,  H01M4/38 ,  H01M10/42 ,  H01M50/138 ,  H01M50/463

Abstract: Provided herein are energy storage devices. In some cases, the energy storage devices are capable of being transported on a vehicle and storing a large amount of energy. An energy storage device is provided comprising at least one liquid metal electrode, an energy storage capacity of at least about 1 MWh and a response time less than or equal to about 100 milliseconds (ms).

公开(公告)号：US12224437B2

公开(公告)日：2025-02-11

申请号：US17668475

申请日：2022-02-10

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Arisa Yamada ,  Tomoe Kusama ,  Tomoko Sugizaki ,  Yuta Kanai ,  Hirofumi Yasumiishi ,  Tetsuya Sasakawa ,  Yasuhiro Harada

IPC: H01M4/525 ,  H01M4/02 ,  H01M4/04 ,  H01M4/131 ,  H01M4/134 ,  H01M4/1391 ,  H01M4/1395 ,  H01M10/0525

Abstract: According to one embodiment, a method of producing a secondary battery is provided. The method includes preparing a battery architecture including a positive electrode, a negative electrode, and an electrolyte; adjusting a positive electrode potential to a range of 3.4 V to 3.9 V and a negative electrode potential to a range of 1.5 V to 2.0 V based on an oxidation-reduction potential of lithium, thereby providing a potential adjusted state; and holding the battery architecture in the potential adjusted state at a holding temperature of 50° C. to 90° C. The positive electrode includes a lithium-nickel-cobalt-manganese composite oxide. The negative electrode includes a niobium-titanium composite oxide. The electrolyte includes one or more first organic solvent having a viscosity of 1 cP or less.

公开(公告)号：US20250046801A1

公开(公告)日：2025-02-06

申请号：US18290381

申请日：2022-02-22

Applicant: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION

Inventor： Kyu Tae LEE ,  Bomee KWON ,  Jeongeun OH ,  Seunghyeon JO

IPC: H01M4/38 ,  H01M4/02 ,  H01M4/04 ,  H01M4/134 ,  H01M4/66 ,  H01M10/052

Abstract: The present invention relates to a lithium metal thin film composite and a method for preparing the lithium metal thin film composite, the lithium metal thin film composite comprising: a plate-shaped support having at least one surface coated with an inorganic material; and a lithium metal thin film formed by a plurality of spherical lithium metal fine particles coming into contact with one another on the plate-shaped support, and the method comprising a step of growing a plurality of spherical lithium metal fine particles on the plate-shaped support by applying a current to a lithium supply source and the plate-shaped support immersed in an electrolyte solution, wherein the plate-shaped support has at least one surface coated with an inorganic material, and the electrolyte solution is stirred at one or more points selected from among before applying the current, after applying the current, and while applying the current.

公开(公告)号：US20250046785A1

公开(公告)日：2025-02-06

申请号：US18920051

申请日：2024-10-18

Applicant: LG ENERGY SOLUTION, LTD.

Inventor： Dongwook LEE ,  Kwonnam SOHN

IPC: H01M4/133 ,  H01M4/02 ,  H01M4/131 ,  H01M4/134 ,  H01M4/136 ,  H01M4/1391 ,  H01M4/1393 ,  H01M4/1395 ,  H01M4/1397 ,  H01M4/36 ,  H01M4/58 ,  H01M10/052

Abstract: A positive electrode active material for a lithium secondary battery including a carbon material impregnated with catalyst particles, and a sulfur-carbon composite, a preparation method thereof, and a positive electrode for a lithium secondary battery, and the lithium secondary battery including the same.

公开(公告)号：US12218346B2

公开(公告)日：2025-02-04

申请号：US16113676

申请日：2018-08-27

Applicant: Nanotek Instruments, Inc.

Inventor： Hui He ,  Aruna Zhamu ,  Bor Z. Jang

IPC: H01M4/38 ,  H01M4/133 ,  H01M4/134 ,  H01M4/36 ,  H01M4/40 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/42 ,  H01M4/02 ,  H01M4/86

Abstract: The invention provides a method of improving the cycle-life of a lithium metal secondary battery. The method comprises implementing an anode-protecting layer between an anode active material layer and a porous separator/electrolyte, wherein the anode-protecting layer or cathode-protecting layer comprises a conductive sulfonated elastomer composite having from 0.01% to 40% by weight of a conductive reinforcement material and from 0.01% to 40% by weight of an electrochemically stable inorganic filler dispersed in a sulfonated elastomeric matrix material and the protecting layer has a thickness from 1 nm to 100 μm, a fully recoverable tensile strain from 2% to 500%, a lithium ion conductivity from 10−7 S/cm to 5×10−2 S/cm, and an electrical conductivity from 10−7 S/cm to 100 S/cm when measured at room temperature.