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公开(公告)号：US20240322368A1
公开(公告)日：2024-09-26
申请号：US18433040
申请日：2024-02-05
发明人： Kyung-Tae KIM , Dong-Hun BAE , Yong-Hyeok LEE , So-Mi JEONG
IPC分类号： H01M50/446 , H01M10/052 , H01M50/403 , H01M50/44
CPC分类号： H01M50/446 , H01M10/052 , H01M50/403 , H01M50/44
摘要： A method for manufacturing a non-woven separator for a lithium secondary battery, includes: (S1) preparing a first solution of β-chitin dissolved in a first solvent and a second solution of vinylidene fluoride-trifluoroethylene copolymer (PVDF-TrFE) dissolved in a second solvent; (S2) coaxial electrospinning with the first solution as a core solution and the second solution as a shell solution to produce a non-woven fabric formed of a fiber with a core-shell structure having a core portion of the β-chitin and a shell portion of the vinylidene fluoride-trifluoroethylene copolymer; and (S3) performing heat treatment on the non-woven fabric at a temperature lower than a thermal decomposition point of the β-chitin and higher than a melting point of the vinylidene fluoride-trifluoroethylene copolymer to melt and recrystallize the vinylidene fluoride-trifluoroethylene copolymer.
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公开(公告)号：US20240313261A1
公开(公告)日：2024-09-19
申请号：US18671100
申请日：2024-05-22
发明人： Muneyasu SUZUKI , Hirobumi USHIJIMA
IPC分类号： H01M10/0565 , H01M10/058 , H01M50/105 , H01M50/434 , H01M50/44 , H01M50/449
CPC分类号： H01M10/0565 , H01M10/058 , H01M50/105 , H01M50/434 , H01M50/44 , H01M50/449
摘要： A flexible all-solid-state battery including a layer of a solid-state polymer electrolyte arranged between a layer of a separator supporting the solid-state polymer electrolyte and a layer including a negative electrode active material is provided. In the flexible all-solid-state battery, the separator may include a woven fabric, a knit, or a non-woven cloth of an inorganic fiber or a polymeric fiber of 1 g/m2 to 70 g/m2 with a thickness in a range from 1 μm to 100 μm, an oxide ceramic particle layer including oxide ceramic particles with a particle size from 1 μm to 20 μm at a filling rate in a range from 5% to 60%, or a complex of the woven fabric, the knit, or the non-woven cloth and the oxide ceramic particles.
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公开(公告)号：US20240269496A1
公开(公告)日：2024-08-15
申请号：US18641219
申请日：2024-04-19
发明人： Jin Taek KIM , Eun Ok KWAK , Jin Bhum YUN , Jang Hoon KIM , Jong Yeol WOO , Kwang Deuk LEE , Woo Sung CHOI
CPC分类号： A62C3/16 , A62C99/0045 , H01M50/20 , H01M50/394 , H01M50/431 , H01M50/44 , H01M2200/10 , H01M2220/10
摘要： An energy storage module includes: a plurality of battery cells arranged in a length direction, each of the battery cells including a vent; a plurality of insulation spacers, at least one of the insulation spacers being located between long side surfaces of an adjacent pair of the battery cells; a cover member; a top plate coupled to a top portion of the cover member and including ducts respectively corresponding to the vents of the battery cells and including opening holes respectively corresponding to the insulation spacers; a top cover coupled to a top portion of the top plate and including discharge holes located in an exhaust area and respectively corresponding to the ducts; and an extinguisher sheet located between the top cover and the top plate, configured to emit a fire extinguishing agent at a temperature exceeding a certain temperature and including opening holes located to correspond to the ducts.
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公开(公告)号：US12060676B2
公开(公告)日：2024-08-13
申请号：US17646275
申请日：2021-12-28
发明人： Gleb Yushin , Kostiantyn Turcheniuk , Fujia Wang
IPC分类号： D06M11/34 , H01M10/0525 , H01M50/434 , H01M50/44
CPC分类号： D06M11/34 , H01M10/0525 , H01M50/434 , H01M50/44
摘要： In an embodiment, metal-organic nanowires or nanofibers comprising polymer chains with around 100 or more repeat units are synthesized. The metal-organic nanowires or nanofibers are exposed to a reactive gas at a temperature in excess of around 100° C. and at a pressure in the range from around 0.001 to around 100 atmospheres.
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公开(公告)号：US20240266524A1
公开(公告)日：2024-08-08
申请号：US18565963
申请日：2022-06-07
申请人： BASF SE
发明人： Heino SOMMER , Xiaohan WU , Hubert GASTEIGER , Louis HARTMANN
IPC分类号： H01M4/505 , H01M4/04 , H01M4/1391 , H01M4/62 , H01M10/0525 , H01M50/437 , H01M50/44
CPC分类号： H01M4/505 , H01M4/0404 , H01M4/1391 , H01M4/622 , H01M4/625 , H01M10/0525 , H01M50/437 , H01M50/44
摘要： Disclosed herein is a cathode containing a mass that includes:
(1) a lithium-containing cathode active material with a molar manganese content in the range of from 50 mol-% to 85 mol-% referring to metals other than lithium contained in the cathode active material,
(2) SiO2 in particulate form,
(3) carbon in electrically conductive form, and
(4) binder polymer.-
公开(公告)号：US12057602B2
公开(公告)日：2024-08-06
申请号：US16651736
申请日：2020-03-04
发明人： Xiexue Peng , Jianming Zheng , Chao Tang , Haiyang Nan
IPC分类号： H01M50/48 , H01M10/05 , H01M10/0525 , H01M10/0567 , H01M50/417 , H01M50/42 , H01M50/426 , H01M50/434 , H01M50/44 , H01M50/446 , H01M50/449 , H01M50/451 , H01M50/457 , H01M50/489 , H01M50/491
CPC分类号： H01M50/489 , H01M10/0525 , H01M10/0567 , H01M50/417 , H01M50/426 , H01M50/434 , H01M50/446 , H01M50/449 , H01M50/451 , H01M50/457 , H01M50/491 , H01M2300/0025
摘要： The present application relates to an electrochemical device comprising a separator and an electrolyte, wherein the separator comprises a first porous layer and a second porous layer; and the electrolyte comprises at least one compound containing 2 to 3 cyano groups.
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7.发明公开公开(公告)号：US20240258575A1
公开(公告)日：2024-08-01
申请号：US18613703
申请日：2024-03-22
发明人： Kazuhei NARITA , Ryota TAJIMA , Teppei OGUNI
IPC分类号： H01M10/0569 , G04G19/00 , H01G11/28 , H01G11/32 , H01G11/52 , H01G11/60 , H01G11/62 , H01G11/84 , H01G11/86 , H01M4/36 , H01M4/525 , H01M4/587 , H01M4/66 , H01M10/0525 , H01M10/0568 , H01M50/414 , H01M50/429 , H01M50/44
CPC分类号： H01M10/0569 , G04G19/00 , H01G11/28 , H01G11/32 , H01G11/52 , H01G11/60 , H01G11/62 , H01G11/84 , H01G11/86 , H01M4/366 , H01M4/525 , H01M4/587 , H01M4/661 , H01M4/669 , H01M10/0525 , H01M10/0568 , H01M50/414 , H01M50/429 , H01M50/4295 , H01M50/44 , H01M2300/0037 , Y02E60/13 , Y02T10/70
摘要： To provide a power storage device whose charge and discharge characteristics are unlikely to be degraded by heat treatment. To provide a power storage device that is highly safe against heat treatment. The power storage device includes a positive electrode, a negative electrode, a separator, an electrolytic solution, and an exterior body. The separator is located between the positive electrode and the negative electrode. The separator contains polyphenylene sulfide or solvent-spun regenerated cellulosic fiber. The electrolytic solution contains a solute and two or more kinds of solvents. The solute contains LiBETA. One of the solvents is propylene carbonate.
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公开(公告)号：US11967731B2
公开(公告)日：2024-04-23
申请号：US17042520
申请日：2019-12-20
申请人： LG CHEM, LTD.
发明人： In-Hyouk Sung , Hye-Jin Kwon , Dong-Wook Sung
IPC分类号： H01M50/44 , H01M4/62 , H01M10/05 , H01M10/0525 , H01M50/443 , H01M50/446 , H01M50/48 , H01M50/489
CPC分类号： H01M50/446 , H01M4/622 , H01M10/0525 , H01M50/443 , H01M50/489
摘要： A separator for an electrochemical device, including: a porous polymer substrate having a plurality of pores; and a porous coating layer on at least one surface of the porous polymer substrate, wherein the porous coating layer comprises boehmite particles and a binder polymer, wherein the binder polymer is positioned on at least a part of the surface of the boehmite particles and connects and fixes the boehmite particles with one another. The boehmite particles have an average particle diameter of 2.0 μm to 3.5 μm and a specific surface area of 4.0 m2/g to 4.5 m2/g, and one side of the porous coating layer has a thickness of 2 μm to 10 μm.
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公开(公告)号：US20240128589A1
公开(公告)日：2024-04-18
申请号：US18523828
申请日：2023-11-29
发明人： Yanjie WANG , Zelin CHEN , Lujing LIN , Jianqiang SHEN , Xiufeng CHEN
IPC分类号： H01M50/457 , H01M50/403 , H01M50/429 , H01M50/44 , H01M50/454 , H01M50/489
CPC分类号： H01M50/457 , H01M50/403 , H01M50/4295 , H01M50/44 , H01M50/454 , H01M50/489
摘要： The present disclosure provides a battery, a separator for a battery and a method for preparing the separator, where the separator for a battery includes a base film and a coating structure disposed on the base film, the coating structure includes a plurality of material layers, and each material layer contains one-dimensional nanomaterials, and average lengths of one-dimensional nanomaterials in respective material layers are decreased layer by layer in a direction away from the base film.
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公开(公告)号：US11955667B2
公开(公告)日：2024-04-09
申请号：US17983775
申请日：2022-11-09
申请人： BETA AIR, LLC
IPC分类号： H01M50/60 , H01M10/04 , H01M10/647 , H01M50/249 , H01M50/44 , H01M10/0525 , H01M10/625 , H01M10/653 , H01M50/124 , H01M50/209 , H01M50/211 , H01M50/213 , H01M50/231 , H01M50/24 , H01M50/293
CPC分类号： H01M50/668 , H01M10/0481 , H01M10/647 , H01M50/249 , H01M50/44 , H01M10/0525 , H01M10/625 , H01M10/653 , H01M50/124 , H01M50/209 , H01M50/211 , H01M50/213 , H01M50/231 , H01M50/24 , H01M50/293 , H01M2220/20 , Y02E60/10
摘要： A battery pack assembly including at least a battery cell, wherein the battery cell may include a pair of electrodes, a pair of conductive foil tabs and an electrolyte. The battery pack assembly may include a battery cell case, wherein the battery cell case is configured to surround a portion of the a battery cell. The battery cell case may include a layer, wherein the layer may be configured to provide a pressure against a battery cell.
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