公开(公告)号：US20240313210A1

公开(公告)日：2024-09-19

申请号：US18677050

申请日：2024-05-29

申请人： LG Energy Solution, Ltd.

发明人： Gi Beom Han ,  Sang Min Park ,  Ji Hye Kim ,  Tae Gu Yoo ,  Wang Mo Jung

IPC分类号： H01M4/505 ,  H01M4/02 ,  H01M4/04 ,  H01M4/36 ,  H01M4/525 ,  H01M10/0525

CPC分类号： H01M4/505 ,  H01M4/0471 ,  H01M4/366 ,  H01M4/525 ,  H01M10/0525 ,  H01M2004/028

摘要： A positive electrode active material for a secondary battery is provided, which includes a lithium composite transition metal oxide including nickel (Ni), cobalt (Co), and manganese (Mn), wherein a particle of the lithium composite transition metal oxide includes a core portion and a resistance portion formed on a surface of the core portion, and is composed of a single particle, wherein the core portion has a layered crystal structure of space group R-3m, and the resistance portion has a cubic rock-salt structure of space group Fm-3m.

公开(公告)号：US20240313200A1

公开(公告)日：2024-09-19

申请号：US18576097

申请日：2022-11-03

申请人： LG ENERGY SOLUTION, LTD.

发明人： Su Jin PARK ,  Jaewook LEE ,  Soojin PARK ,  Hye Bin SON ,  Minjun JE

IPC分类号： H01M4/36 ,  C01B33/18 ,  H01M4/02 ,  H01M4/133 ,  H01M4/134 ,  H01M4/1393 ,  H01M4/1395 ,  H01M4/38 ,  H01M4/583 ,  H01M4/587 ,  H01M4/62 ,  H01M10/0525

CPC分类号： H01M4/366 ,  C01B33/18 ,  H01M4/133 ,  H01M4/134 ,  H01M4/1393 ,  H01M4/1395 ,  H01M4/386 ,  H01M4/5835 ,  H01M4/587 ,  H01M4/625 ,  H01M10/0525 ,  C01P2004/80 ,  C01P2006/40 ,  H01M2004/021 ,  H01M2004/027

摘要： A negative electrode composition, a method for preparing the same, a negative electrode including the same, and a lithium secondary battery including the negative electrode are provided. The negative electrode composition comprises a silicon-based active material; a negative electrode conductive material; and a negative electrode binder, the silicon-based active material comprising a carbon coating layer doped with fluorine (F) at a surface thereof.

公开(公告)号：US20240313199A1

公开(公告)日：2024-09-19

申请号：US18485036

申请日：2023-10-11

申请人： SAMSUNG SDI CO., LTD.

发明人： Kyueun Shim ,  Sungnim Jo ,  Inhyuk Son ,  Sangkook Mah

IPC分类号： H01M4/36 ,  C01G53/00 ,  H01M4/131 ,  H01M4/133 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525

CPC分类号： H01M4/366 ,  C01G53/50 ,  H01M4/131 ,  H01M4/133 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  C01P2002/54 ,  C01P2004/03 ,  C01P2004/53 ,  C01P2004/61 ,  C01P2004/80 ,  C01P2006/40 ,  H01M2004/021 ,  H01M2004/028

摘要： Provided are a composite cathode active material, a cathode and a lithium battery which include the same, and a method of manufacturing a composite cathode active material. The composite cathode active material includes: a 1st core including a first lithium transition metal oxide; a 2nd core including a second lithium transition metal oxide; and a shell over a surface of at least one selected from the 1st core and the 2nd core, wherein the shell includes at least one first metal oxide, a first carbon-based material, and a second carbon-based material, wherein the first metal oxide is included inside a matrix of the first carbon-based material, the first metal oxide is represented by Formula MaOb (0

公开(公告)号：US20240311526A1

公开(公告)日：2024-09-19

申请号：US18573841

申请日：2022-06-22

申请人： TSINGHUA UNIVERSITY

发明人： Qixin CHEN ,  Yuxuan GU ,  Hongye GUO ,  Kedi ZHENG ,  Chongqing KANG ,  Qing XIA ,  Yuanbo CHEN

IPC分类号： G06F30/20 ,  G06F119/08 ,  H01M10/0525

CPC分类号： G06F30/20 ,  H01M10/0525 ,  G06F2119/08

摘要： A method for estimating a reactive ion flux and a potential inside a lithium-ion battery includes: obtaining states and parameters of a battery port and points to be analyzed inside the battery required for calculation; calculating reaction parameters of the points to be analyzed inside the battery; calculating a spatial distribution function of a reactive ion flux inside the battery; and calculating a spatial distribution function of a potential of an electrolyte inside the battery.

公开(公告)号：US20240308876A1

公开(公告)日：2024-09-19

申请号：US18677903

申请日：2024-05-30

申请人： SK ON CO., LTD.

发明人： Hee Jun KWEON ,  Jeong Bae YOON ,  Ji Hoon CHOI

IPC分类号： C01G53/00 ,  H01M4/525 ,  H01M10/0525

CPC分类号： C01G53/50 ,  H01M4/525 ,  H01M10/0525 ,  C01P2002/60 ,  C01P2002/74 ,  C01P2002/76

摘要： A cathode active material for a lithium secondary battery has a structure of a lithium-nickel-based metal oxide. A crystal size in a (104) plane defined by Equation 1 is less than 200 nm. A thickness of a TM slab measured by a Rietveld method in a crystal structure of a space group R-3m by an X-ray diffraction (XRD) analysis is 2.15 Å or less. A thickness of a Li slab thickness measured by the Rietveld method in the crystal structure of the space group R-3m by the XRD analysis is 2.585 Å or more.

公开(公告)号：US12095112B2

公开(公告)日：2024-09-17

申请号：US17490561

申请日：2021-09-30

申请人： Spear Power Systems, Inc.

发明人： Mitch Mabrey ,  Jamie Andes ,  Rick Kehler ,  Shane Corlman ,  Joe Meehan ,  Eliot Myers

IPC分类号： H01M50/342 ,  H01M10/04 ,  H01M10/0525 ,  H01M10/653 ,  H01M10/658 ,  H01M50/178 ,  H01M50/209 ,  H01M50/211 ,  H01M50/222 ,  H01M50/224 ,  H01M50/227 ,  H01M50/229 ,  H01M50/231 ,  H01M50/293 ,  H01M50/358 ,  H01M50/367 ,  H01M50/503 ,  H01M50/507 ,  H01M50/548 ,  H01M50/55 ,  H01M50/553 ,  H01M10/647

CPC分类号： H01M50/3425 ,  H01M10/0481 ,  H01M10/0525 ,  H01M10/653 ,  H01M10/658 ,  H01M50/178 ,  H01M50/209 ,  H01M50/211 ,  H01M50/222 ,  H01M50/224 ,  H01M50/227 ,  H01M50/229 ,  H01M50/231 ,  H01M50/293 ,  H01M50/358 ,  H01M50/367 ,  H01M50/503 ,  H01M50/507 ,  H01M50/548 ,  H01M50/55 ,  H01M50/553 ,  H01M10/647 ,  H01M2200/20 ,  H01M2220/20

摘要： Apparatus for mitigating propagation of thermal events between battery cells within a battery module assembly (10) is provided. The apparatus comprises one or more of several features that function to prevent a runaway thermal event within one battery cell (48) from triggering a fire or other thermal event within another battery cell within the battery module assembly (10). The apparatus may comprise one or more of: (i) a compressive wrap (88) applied to a battery cell (48); (ii) a layered barrier material (104) positioned between adjacent battery cells (48); (iii) silicone rubber supports (94) positioned adjacent the battery terminals (62, 64), (iv) a light-weight, fire-resistant housing composite panel, and (v) rupturable diaphragms (36) configured to vent gases and ejecta from a battery cell undergoing a thermal event.

公开(公告)号：US12095098B2

公开(公告)日：2024-09-17

申请号：US18234601

申请日：2023-08-16

申请人： Piersica, Inc.

发明人： Claudiu B. Bucur

IPC分类号： H01M4/80 ,  H01M4/134 ,  H01M4/66 ,  H01M10/0525 ,  H01M4/02

CPC分类号： H01M4/806 ,  H01M4/134 ,  H01M4/664 ,  H01M4/667 ,  H01M10/0525 ,  H01M2004/027

摘要： An assembly of lithium-based solid anodes to be formed into a lithium-ion battery. The anodes are formed with a fibrous ceramic or polymer framework having open spaces and an active surface material having lithiophilic properties. Open spaces within the fibrous framework and lithiophilic coatings deposited upon the surface of the fibrous framework allow for the free transport of solid lithium-ions within the anodes. In solid-state, lithium batteries can achieve higher capacity per weight, charge faster, and be more durable to extreme handling and temperature. A method for manufacturing a solid-state lithium battery having such an anode.

公开(公告)号：US12095091B2

公开(公告)日：2024-09-17

申请号：US16973664

申请日：2019-06-28

申请人： TEIJIN LIMITED

发明人： Tetsuya Akamatsu

IPC分类号： H01M4/62 ,  H01M10/0525 ,  H01M50/423 ,  H01M50/443 ,  H01M50/446 ,  H01M50/449

CPC分类号： H01M4/622 ,  H01M10/0525 ,  H01M50/423 ,  H01M50/443 ,  H01M50/446 ,  H01M50/449

摘要： Provided is a binder for use in an electrode layer or separator for a lithium-ion secondary battery, wherein the binder is unlikely to cause powder removal and does not completely cover the surface of the active material particles when used in an electrode layer as a binder. The binder of the present invention is a binder for a non-aqueous secondary battery, the binder comprising a fibrid of an aromatic polyamide, wherein the fibrid swells and is not dissolved in an N-methyl-2-pyrrolidone solvent in which an alkali metal salt and/or an alkaline earth metal salt is present at a concentration of 1,000 ppm or less, and is completely dissolved in an N-methyl-2-pyrrolidone solvent in which an alkali metal salt and/or an alkaline earth metal salt is present at a concentration of 10,000 ppm or more.

公开(公告)号：US12095089B2

公开(公告)日：2024-09-17

申请号：US17239307

申请日：2021-04-23

申请人： SAINT-GOBAIN CERAMICS & PLASTICS, INC.

发明人： Yuto Takagi ,  Chuanping Li ,  Ruofan Wang ,  Michael McGahan ,  Vladimir Ouspenski ,  Jeremy Flamanc

IPC分类号： H01M4/60 ,  H01M4/36 ,  H01M4/38 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0562 ,  H01M4/02

CPC分类号： H01M4/604 ,  H01M4/366 ,  H01M4/382 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0562 ,  H01M2004/021 ,  H01M2300/008 ,  H01M2300/0088

摘要： A solid ion conductive layer can include a foamed matrix and an electrolyte material including a hygroscopic material. In an embodiment, the electrolyte material can include a halide-based material, a sulfide-based material, or any combination thereof. In another embodiment, the solid ion conductive layer can include total porosity of at least 30 vol % for a total volume of the solid ion conductive layer.

公开(公告)号：US12095082B2

公开(公告)日：2024-09-17

申请号：US17345159

申请日：2021-06-11

申请人： Contemporary Amperex Technology Co., Limited

发明人： Changliang Sheng ,  Shiwen Wang ,  Qisen Huang ,  Cheng Li ,  Chengdu Liang

IPC分类号： H01M4/38 ,  H01M4/04 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/36 ,  H01M4/48 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0562 ,  H01M4/02

CPC分类号： H01M4/386 ,  H01M4/0404 ,  H01M4/0447 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/366 ,  H01M4/382 ,  H01M4/483 ,  H01M4/62 ,  H01M4/628 ,  H01M10/0525 ,  H01M10/0562 ,  H01M2004/021 ,  H01M2004/027 ,  H01M2200/00

摘要： The present application discloses a negative electrode plate, an electrode assembly, a lithium ion battery, preparation process thereof, and apparatus containing lithium-ion battery. The negative electrode plate includes a negative electrode active material layer comprising a negative electrode active material, the negative electrode active material comprising a silicon-based material; a binder-free inorganic dielectric layer disposed on one side of the negative electrode active material layer away from the negative electrode current collector, the inorganic dielectric layer comprising an inorganic dielectric material, and the inorganic dielectric layer including at least a main body portion disposed on the surface of the negative electrode active material layer, the main body portion having a channel penetratingly arranged along a thickness direction of the main body portion; and a lithium metal layer disposed on the surface of the inorganic dielectric layer away from the negative electrode active material layer.