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公开(公告)号：US20240317690A1
公开(公告)日：2024-09-26
申请号：US18661081
申请日：2024-05-10
IPC分类号： C07D233/90 , C07C311/51 , C07D207/448 , C07D233/72 , C07D233/96 , H01M4/60 , H01M4/62 , H01M10/0525 , H01M10/0567 , H01M10/0569
CPC分类号： C07D233/90 , C07C311/51 , C07D207/448 , C07D233/72 , C07D233/96 , H01M4/60 , H01M4/62 , H01M10/0525 , H01M10/0567 , H01M10/0569
摘要： Here are described compounds for use as electrode additives or as salts in electrolyte compositions, and their methods of preparation. Also described are electrochemical cells comprising the compounds as electrode additives or as salts in electrolyte compositions.
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22.发明授权公开(公告)号：US12100808B2
公开(公告)日：2024-09-24
申请号：US17441591
申请日：2019-11-29
发明人： Kyoung Moon Jung , Sang Jin Lee , Seong Chul Lee
IPC分类号： H01M10/0567 , C01D15/00 , H01M10/0525
CPC分类号： H01M10/0567 , C01D15/00 , H01M10/0525 , C01P2006/40 , H01M2300/0025
摘要： A compound according to an embodiment of the present disclosure is represented by Formula 1. An electrolyte for a lithium secondary battery according to an embodiment of the present disclosure may include the compound, and a lithium secondary battery according to an embodiment of the present disclosure may include the electrolyte.
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公开(公告)号：US20240313357A1
公开(公告)日：2024-09-19
申请号：US18603980
申请日：2024-03-13
申请人： StoreDot, Ltd.
发明人： Daniel Aronov , Nir Kedem , Yaron Idesis , Dan Corfas , Assaf Zehavi , Zvi Ioffe
IPC分类号： H01M50/491 , H01M4/02 , H01M4/36 , H01M4/38 , H01M4/587 , H01M10/0525 , H01M10/0567 , H01M10/0568 , H01M50/451
CPC分类号： H01M50/491 , H01M50/451 , H01M2004/027 , H01M4/362 , H01M4/386 , H01M4/587 , H01M10/0525 , H01M10/0567 , H01M10/0568 , H01M2300/0025
摘要： Rechargeable battery cells and methods for extreme fast charging are disclosed. For example, such a rechargeable battery cell might be chargeable to at least 70% of usable capacity within 15 minutes. Such a rechargeable battery cell may include an anode having a conductive current collector coated with a composite containing at least 30% Si by weight, a cathode configured as a source of Li ions, an electrolyte capable of carrying Li-ions between the anode and the cathode, and a separator between the anode and the cathode, the separator having a porosity of at least 38%. Methods of charging such rechargeable battery cells are also disclosed.
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公开(公告)号：US20240313263A1
公开(公告)日：2024-09-19
申请号：US18259300
申请日：2021-12-16
发明人： Shiguang Hu , Yunxian Qian , Chaowei Cao , Pengkai Guo , Xiaoxia Xiang , Chi Wang , Shuhuai Xiang , Qun Chen , Yonghong Deng
IPC分类号： H01M10/0567 , C07D411/14 , H01M4/02 , H01M4/131 , H01M4/525 , H01M10/0525
CPC分类号： H01M10/0567 , C07D411/14 , H01M4/131 , H01M4/525 , H01M10/0525 , H01M2004/028 , H01M2300/0025
摘要： A lithium-ion battery includes a positive electrode, a negative electrode, and a non-aqueous electrolyte. The positive electrode includes a positive electrode material layer, the positive electrode material layer includes a positive electrode active material, and the positive electrode active material includes LiNixCoyMnzL(1-x-y-2)O2, where L is Al, Sr, Mg. Ti, Ca, Zr, Zn, Si, Cu, V or Fe, 0.5≤x≤1, 0≤y≤0.5, 0≤z≤0.5, 0≤x+y+z≤1, and an upper limit voltage of the lithium-ion battery is ≥4.2 V. The non-aqueous electrolyte includes a solvent, an electrolyte salt and a compound represented by formula 1: A-D-B-E-C, Formula 1. Based on a total mass of the non-aqueous electrolyte as 100%, the compound represented by the formula 1 is added in an amount of 0.01 to 5.0%.
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公开(公告)号：US20240313215A1
公开(公告)日：2024-09-19
申请号：US18645899
申请日：2024-04-25
发明人： Molin ZHOU
IPC分类号： H01M4/525 , H01M4/02 , H01M4/04 , H01M4/131 , H01M4/1391 , H01M10/0525 , H01M10/0567
CPC分类号： H01M4/525 , H01M4/0497 , H01M4/131 , H01M4/1391 , H01M10/0525 , H01M10/0567 , H01M2004/028
摘要： A positive electrode includes a first positive electrode material and a second material. The first positive electrode material includes Li1+xCo1−yM1yO2−-tAt, in which M1 includes Ni, Mn, Al, Mg, Ti, Zr, La, Y, Fe, Cr, V, Zn, Ru, Rh, Ga, Pd, Pt, Mo, W, Sb, Nb, Se, Te, and/or Ce; A includes S, N, F, Cl, and/or Br; −0.1≤x≤0.2, 0≤y≤0.2, and 0≤t≤0.2. The second material includes Li1+rNi1−p−qM2pM3qO2−sDs and a phase B belonging to an F-3m1 space group. M2 and M3 independently include Co, Mn, Fe, Ti, Al, V, Cr, Nb, Zr, La, and/or Y. M2 and M3 are different elements. D includes S, N, F, Cl, and/or Br; 0
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公开(公告)号：US12095038B2
公开(公告)日：2024-09-17
申请号：US17825588
申请日：2022-05-26
发明人： Qiaoshu Hu , Takumi Hiasa , Kazumasa Takeshi , Graham Sandford , Joshua Walton , Nadejda Krasteva , Silvia Rosselli , Gabriele Nelles , David Danner , Vitor Deichmann , Dennis Chercka , William Ford , Clemens Wall
IPC分类号： H01M10/0525 , H01M4/36 , H01M4/38 , H01M4/525 , H01M4/587 , H01M10/0567 , H01G11/64
CPC分类号： H01M10/0567 , H01M10/0525 , H01G11/64 , H01M4/364 , H01M4/386 , H01M4/525 , H01M4/587 , H01M2300/0037
摘要： A secondary battery is provided. The secondary battery includes a cathode; an anode; and an electrolytic solution including a cyano compound.
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公开(公告)号：US20240304874A1
公开(公告)日：2024-09-12
申请号：US18575000
申请日：2023-02-03
发明人： Young Ho Oh , Kyoung Ho Ahn , Won Kyung Shin , Won Tae Lee , Chul Haeng Lee , Jun Hyeok Han , Su Hyeon Ji , You Kyeong Jeong
IPC分类号： H01M10/42 , H01M4/525 , H01M4/587 , H01M10/0525 , H01M10/0567 , H01M50/383
CPC分类号： H01M10/4235 , H01M4/525 , H01M4/587 , H01M10/0525 , H01M10/0567 , H01M50/383 , H01M2300/0025
摘要： A lithium secondary battery including a negative electrode comprising a carbon material as a negative electrode active material, a positive electrode comprising a positive electrode active material of Formula 2, a separator interposed between the negative electrode and the positive electrode, and a non-aqueous electrolyte comprising a lithium salt; a non-aqueous organic solvent; a first additive represented by Formula 1; and a second additive which is at least one selected from the group consisting of vinylene carbonate and vinylethylene carbonate is described,
in Formulas 1 and 2, all the variables are described herein.-
28.发明公开公开(公告)号：US20240304866A1
公开(公告)日：2024-09-12
申请号：US18669350
申请日：2024-05-20
申请人： Enevate Corporation
发明人： Benjamin Yong Park , Heidi Anderson , Hong Zhao , Vincent Giordani , Sung Ju Cho , Myunghwan Jeong , Daniel Sylvinson Muthiah Ravinson , Samuel Keene , Mya Le Thai
IPC分类号： H01M10/0569 , H01M4/02 , H01M4/38 , H01M10/0525 , H01M10/0567
CPC分类号： H01M10/0569 , H01M10/0525 , H01M10/0567 , H01M2004/027 , H01M4/386
摘要： Electrolyte formulations for energy storage devices are disclosed. The energy storage device comprises a first electrode and a second electrode, where one or both of the first electrode and the second electrode is a Si-based electrode, a separator between the first electrode and the second electrode, and an electrolyte composition. Electrolyte formulations as described herein are electrolyte compositions comprising two or more components such as solvents, co-solvents, salts and/or additives. In some embodiments, three or more, four or more, five or more, six or more, seven or more, or eight or more components are included in the electrolyte composition.
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公开(公告)号：US20240304863A1
公开(公告)日：2024-09-12
申请号：US18576351
申请日：2023-01-11
发明人： Young Jun KO , Joo Hwan SUNG , Kyung Hwan JUNG
IPC分类号： H01M10/0567 , H01M4/02 , H01M4/133 , H01M4/134 , H01M4/136 , H01M4/36 , H01M4/38 , H01M4/58 , H01M4/583 , H01M10/052 , H01M10/058
CPC分类号： H01M10/0567 , H01M4/133 , H01M4/134 , H01M4/136 , H01M4/366 , H01M4/386 , H01M4/5825 , H01M4/583 , H01M10/052 , H01M10/058 , H01M2004/021 , H01M2004/027 , H01M2004/028 , H01M2220/20
摘要： A lithium secondary battery includes an electrode assembly comprising a positive electrode, a negative electrode, and a separator between the positive electrode and the negative electrode. The lithium secondary battery includes an electrolyte composition comprising a non-aqueous organic solvent, a lithium salt, and an electrolyte additive. The positive electrode comprises a positive electrode active layer including a positive electrode active material and a polymer film stacked on a positive electrode current collector. The negative electrode comprises a negative electrode current collector, and a negative electrode active layer comprises a carbon material and a silicon material as a negative electrode active material on the negative electrode current collector. A ratio (DC/CC) of an initial discharge capacity (DC) and an initial charge capacity (CC) of the lithium secondary battery is 0.7 to 1.2.
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公开(公告)号：US20240304862A1
公开(公告)日：2024-09-12
申请号：US18399049
申请日：2023-12-28
发明人： Yoon Gyo Cho , Jung Min Lee , Chul Haeng Lee , Kyung Mi Lee , Ga Young Baek , Su Hyeon Ji , Chul Eun Yeom
IPC分类号： H01M10/0567 , H01M4/38 , H01M4/525 , H01M10/0525
CPC分类号： H01M10/0567 , H01M4/386 , H01M4/525 , H01M10/0525 , H01M2300/0034 , H01M2300/004
摘要： A lithium secondary battery includes: a negative electrode including a silicon-based negative electrode active material; a positive electrode; a separator; and a non-aqueous electrolyte. The non-aqueous electrolyte contains: a lithium salt; an organic solvent; a compound of Formula 1 as a first additive; and a compound of Formula 2 as a second additive.
Here, R is an alkylene group with 1 to 5 carbon atoms, which is substituted with fluorine, and R1 to R3 are each independently any one selected from the group consisting of H, an alkyl group with 1 to 5 carbon atoms, and a nitrile group.
Here, R4 to R7 are each independently any one selected from the group consisting of an alkyl group with 1 to 10 carbon atoms, which is substituted with fluorine, and an alkenyl group with 2 to 10 carbon atoms, which is substituted with fluorine.
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