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1.
公开(公告)号:US11145903B2
公开(公告)日:2021-10-12
申请号:US16479642
申请日:2018-02-02
Applicant: BASF SE
Inventor: Zhenji Han , Takeo Fukuzumi , Eri Sawada , Martin Schulz-Dobrick , Jinbum Kim
IPC: H01M6/16 , H01M10/0567 , H01M10/0525 , H01M10/0569 , H01M10/0568
Abstract: An electrolyte composition containing at least one aprotic organic solvent; at least one conducting salt; at least one compound of formula (I) and (vi) optionally one or more additives.
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公开(公告)号:US09799880B2
公开(公告)日:2017-10-24
申请号:US14889602
申请日:2014-04-28
Applicant: BASF SE
Inventor: Simon Schroedle , Martin Schulz-Dobrick
CPC classification number: H01M4/366 , C01G53/006 , C01G53/44 , C01P2004/50 , C01P2004/52 , C01P2004/61 , C01P2004/80 , C01P2004/82 , C01P2006/11 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M2220/20 , H01M2220/30
Abstract: Spherical particles comprising (A) at least one mixed transition metal hydroxide or mixed transition metal carbonate of at least 3 different transition metals selected from nickel, cobalt, manganese, iron, chromium and vanadium, (B) at least one fluoride, oxide or hydroxide of Ba, Al, Zr or Ti, where the transition metals in transition metal hydroxide (A) or transition metal carbonate (A) are predominantly in the +2 oxidation state, where fluoride (B) or oxide (B) or hydroxide (B) is present to an extent of at least 75% in an outer shell of the spherical particles in the form of domains and is encased to an extent of at least 90% by transition metal hydroxide (A) or transition metal carbonate (A).
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公开(公告)号:US20150280206A1
公开(公告)日:2015-10-01
申请号:US14437553
申请日:2013-10-11
Applicant: BASF SE
Inventor: Simon Schroedle , Martin Schulz-Dobrick
IPC: H01M4/04 , H01M10/0525
CPC classification number: H01M4/04 , H01M4/0402 , H01M4/0404 , H01M4/043 , H01M4/0435 , H01M4/0471 , H01M4/1391 , H01M4/505 , H01M4/525 , H01M10/0525 , Y10T29/301 , Y10T29/49108
Abstract: Process for producing cathodesProcess for producing cathodes comprising a cathode material comprising (A) at least one lithiated transition metal mixed oxide, (B) carbon in an electrically conductive modification, (C) at least one binder, and also (D) at least one film, wherein (a) a mixture comprising lithiated transition metal mixed oxide (A), carbon (B) and binder (C) is applied to film (D), (b) dried, (c) compacted to such an extent that the cathode material has a density of at least 1.8 g/cm3 to obtain a compacted blank and (d) after compaction as per (c) thermally treated at a temperature in the range from 35° C. below the melting point or the softening point of binder (C) to a maximum of 5° C. below the melting point or the softening point of binder (C).
Abstract translation: 用于制备阴极的方法包括阴极材料的阴极的制备方法包括(A)至少一种锂化过渡金属混合氧化物,(B)导电改性中的碳,(C)至少一种粘合剂,以及(D)至少 一种膜,其中(a)将包含锂化过渡金属混合氧化物(A),碳(B)和粘合剂(C)的混合物施加到膜(D)上,(b)干燥,(c)压实至如下程度: 阴极材料具有至少1.8g / cm 3的密度以获得压实的坯料,(d)在(c)压制之后,在温度低于熔点或软化点的35℃的温度下进行热处理 的粘合剂(C)在粘合剂(C)的熔点或软化点以下最多5℃。
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公开(公告)号:US11670760B2
公开(公告)日:2023-06-06
申请号:US16808650
申请日:2020-03-04
Applicant: BASF SE
Inventor: Aleksei Volkov , Martin Schulz-Dobrick , Simon Schroedle , Jordan Lampert
CPC classification number: H01M4/364 , C01G53/50 , H01M4/505 , H01M4/525 , H01M4/5825 , H01M4/623 , H01M4/625 , H01M10/0525 , C01P2004/50 , C01P2004/51 , C01P2004/61 , C01P2004/62 , C01P2006/11 , C01P2006/12 , C01P2006/14 , C01P2006/40 , H01M2004/028
Abstract: The present invention is directed towards a process for making a lithiated transition metal oxide, said process comprising the following steps:
(a) providing a precursor selected from mixed oxides, hydroxides, oxyhydroxides, and carbonates of nickel and at least one transition metal selected from manganese and cobalt, wherein at least 45 mole-% of the cations of the precursor are Ni cations,
(b) mixing said precursor with at least one lithium salt selected from LiOH, Li2O, Li2CO3, and LiNO3, thereby obtaining a mixture,
(c) adding at least one phosphorus compound of general formula (I)
XyH3-yPO4 (I)
wherein
X is selected from NH4 and Li,
y is 1 or 2,
to the mixture obtained in step (b),
wherein steps (b) and (c) may be performed consecutively or simultaneously,
(d) treating the mixture so obtained at a temperature in the range of from 650 to 950° C.-
公开(公告)号:US10069144B2
公开(公告)日:2018-09-04
申请号:US14889663
申请日:2014-05-02
Applicant: BASF SE
Inventor: Simon Schroedle , Martin Schulz-Dobrick
IPC: H01M4/58 , C01G53/00 , H01M4/505 , H01M4/525 , H01M4/48 , H01M4/50 , H01M4/52 , H01M10/0525 , H01M4/131 , H01M4/62 , H01M10/052 , H01M4/02
Abstract: Spherical particles of transition metal carbonates, transition metal hydroxides or transition metal carbonate hydroxides comprising cations of at least two transition metals selected from nickel, cobalt, manganese, titanium, vanadium, chromium and iron, wherein the concentration of at least one of the transition metal cations, plotted against the radius of the particle in question, has at least one relative extreme value which is neither in the center nor at the edge of the particle in question.
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公开(公告)号:US09865865B2
公开(公告)日:2018-01-09
申请号:US14437553
申请日:2013-10-11
Applicant: BASF SE
Inventor: Simon Schroedle , Martin Schulz-Dobrick
IPC: H01M4/04 , H01M4/1391 , H01M10/0525 , H01M4/505 , H01M4/525
CPC classification number: H01M4/04 , H01M4/0402 , H01M4/0404 , H01M4/043 , H01M4/0435 , H01M4/0471 , H01M4/1391 , H01M4/505 , H01M4/525 , H01M10/0525 , Y10T29/301 , Y10T29/49108
Abstract: Process for producing cathodesProcess for producing cathodes comprising a cathode material comprising (A) at least one lithiated transition metal mixed oxide, (B) carbon in an electrically conductive modification, (C) at least one binder, and also (D) at least one film, wherein (a) a mixture comprising lithiated transition metal mixed oxide (A), carbon (B) and binder (C) is applied to film (D), (b) dried, (c) compacted to such an extent that the cathode material has a density of at least 1.8 g/cm3 to obtain a compacted blank and (d) after compaction as per (c) thermally treated at a temperature in the range from 35° C. below the melting point or the softening point of binder (C) to a maximum of 5° C. below the melting point or the softening point of binder (C).
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公开(公告)号:US12119475B2
公开(公告)日:2024-10-15
申请号:US17250955
申请日:2019-09-20
Applicant: BASF SE
Inventor: Zhenji Han , Junji Kashiwagi , Suhao Wei , Jumpei Nakayama , Daisuke Morita , Martin Schulz-Dobrick
IPC: H01M4/1391 , H01M4/04 , H01M4/131 , H01M4/36 , H01M4/505 , H01M4/525 , H01M4/62 , H01M10/0525
CPC classification number: H01M4/0402 , H01M4/1391 , H01M4/366 , H01M4/505 , H01M4/525 , H01M4/623 , H01M10/0525 , H01M4/0416 , H01M4/0471 , H01M4/131
Abstract: Process for making an at least partially coated electrode active material wherein said process comprises the following steps: (a) Providing an electrode active material according to general formula Li1−xTM1−xO2, wherein TM is Ni and, optionally, at least one of Co and Mn, and, optionally, at least one element selected from Al, Mg, Ba and B, transition metals other than Ni, Co, and Mn, and x is in the range of from zero to 0.2, wherein at least 50 mole-% of the transition metal of TM is Ni, (b) treating said electrode active material with an aqueous formulation containing a compound of Me wherein Me is selected from Sb, Mg, Zn, Sn, and Te, (c) separating off the water, (d) treating the residue thermally.
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8.
公开(公告)号:US11444326B2
公开(公告)日:2022-09-13
申请号:US16619213
申请日:2018-07-18
Applicant: BASF SE
Inventor: Zhenji Han , Takeo Fukuzumi , Eri Sawada , Martin Schulz-Dobrick , Jinbum Kim
IPC: H01M10/00 , H01M10/0567 , H01M10/0525 , H01M10/0569
Abstract: Heterocyclic sulfonyl fluoride additives for electrolyte composition for lithium batteries An electrolyte composition containing •(i) at least one aprotic organic solvent; •(ii) at least one conducting salt; •(iii) at least one compound of formula (I) wherein R1, R2, and R3 are each independently H or a C1-C20 hydrocarbon group which may be unsubstituted or substituted by one or more substituents selected from F, CN, OS(O)2F, and S(O)2F and which may contain one or more groups selected from —O—, —S—, —C(O)O—, —OC(O)—, and —OS(O)2—; wherein at least one of R1, R2, and R3 is substituted by one or more S(O)2F groups; and •(iv) optionally one or more additives.
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公开(公告)号:US10882878B2
公开(公告)日:2021-01-05
申请号:US16225936
申请日:2018-12-19
Applicant: BASF SE
Inventor: Martin Schulz-Dobrick , Simon Schroedle
Abstract: A process for preparing transition metal carbonates with a mean particle diameter in the range from 6 to 19 μm (D50), which comprises combining, in a stirred vessel, at least one solution of at least one transition metal salt with at least one solution of at least one alkali metal carbonate or alkali metal hydrogencarbonate to prepare an aqueous suspension of transition metal carbonate, and, in at least one further compartment, continuously introducing a mechanical power in the range from 50 to 10 000 W/l in a proportion of the suspension in each case, based on the proportion of the suspension, and then recycling the proportion into the stirred vessel.
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