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公开(公告)号:US10707486B2
公开(公告)日:2020-07-07
申请号:US15751308
申请日:2016-08-10
Applicant: BASF SE
Inventor: Simon Schroedle , Thomas Michael Ryll , Aleksei Volkov , Ji-Yong Shin , Jordan K. Lampert
IPC: H01M4/52 , H01M4/525 , C01G53/00 , H01M4/505 , H01M4/131 , C01G53/04 , H01M10/0525 , H01M10/0567 , H01M10/42 , H01M10/052 , H01M4/02
Abstract: The present invention is directed towards a process for making a particulate material according to the general formula (I): NiaCObMncMd(O)x(OH)y, wherein M is selected from Al and Ti, x is in the range of from 0.01 to 0.9, y is in the range of from 1.1 to 1.99, a is in the range of from 0.3 to 0.85, b is in the range of from 0.05 to 0.4, c is in the range of from 0.1 to 0.5, d is in the range of from 0.001 to 0.03, with a+b+c+d=1 said process comprising the following steps: (a) providing an aqueous slurry of particles of aluminum hydroxide or titanium dioxide, (b) adding an aqueous solution of water-soluble salts of nickel, cobalt and manganese and a solution of alkali metal hydroxide to the slurry according to step (a), thereby co-precipitating a layer of a mixed hydroxide of nickel and cobalt and manganese hydroxide on the particles according to step (a), (c) removing particles of (NiaCObMncAld)(OH)2+d or (NiaCObMncTid)(OH)2+2d so obtained and drying them in the presence of oxygen.
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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: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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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:US10059602B2
公开(公告)日:2018-08-28
申请号:US14889928
申请日:2014-05-06
Applicant: BASF SE
Inventor: Simon Schroedle
IPC: C01G53/00 , C01B32/60 , H01M10/0525 , H01M4/58 , H01M4/525 , H01M4/505 , B01D9/00 , C01G1/00 , C01B13/36 , H01M4/02 , B01D21/00
CPC classification number: C01G53/006 , B01D9/0045 , B01D9/0054 , B01D21/0039 , C01B13/363 , C01B32/60 , C01G1/00 , C01P2004/32 , C01P2004/52 , C01P2004/61 , C01P2006/40 , H01M4/505 , H01M4/525 , H01M4/5825 , H01M10/0525 , H01M2004/028
Abstract: Process for producing a suspension by precipitation of a solid from a solution, wherein at least two solutions of salts are combined with one another in a stirred vessel so as to form a sparingly soluble solid, where portions of suspension are taken off continuously or discontinuously, the portions taken off in this way are processed in a combination of two separation apparatuses, where gas is separated off in a first separation apparatus which is selected from liquid-gaseous separation apparatuses, and mother liquor is separated off from precipitated sparingly soluble solid in a second separation apparatus selected from solid-liquid separation apparatuses, and the mother liquor is taken off, and the solid which has been separated off or enriched in this way is returned to the reaction mixture.
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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:US09321656B2
公开(公告)日:2016-04-26
申请号:US14405025
申请日:2013-07-02
Applicant: BASF SE
Inventor: Simon Schroedle , Peter Dransfeld , Gabriele Iffland , Ralf Boehling
IPC: C01G51/10
CPC classification number: C01G51/10 , C01P2006/80
Abstract: Process for preparing an aqueous cobalt sulfate solution having a pH in the range from 5 to 8, wherein (a) metallic cobalt is dissolved in aqueous sulfuric acid in an atmosphere of low-oxygen air, of hydrogen or of inert gas and (b) the resulting acidic cobalt sulfate solution is purified in an ion exchanger.
Abstract translation: 制备pH在5至8范围内的硫酸钴水溶液的方法,其中(a)金属钴在低氧空气,氢气或惰性气体的气氛中溶解在硫酸水溶液中,(b) 所得酸性硫酸钴溶液在离子交换器中纯化。
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公开(公告)号:US09416023B2
公开(公告)日:2016-08-16
申请号:US14412231
申请日:2013-06-28
Applicant: BASF SE
Inventor: Simon Schroedle , Oliver Wagner
IPC: C01G51/10
CPC classification number: C01G51/10 , C01P2006/80
Abstract: Process for preparing an aqueous cobalt sulfate solution having a pH of at least 4, wherein (a) metallic cobalt is dissolved in aqueous sulfuric acid in an atmosphere of low-oxygen air, of hydrogen or of inert gas and (b) the resulting acidic cobalt sulfate solution is treated with oxygen, oxygen-comprising gas or with a substance which can release oxygen in an aqueous medium.
Abstract translation: 制备pH为至少4的硫酸钴水溶液的方法,其中(a)金属钴在低氧空气,氢气或惰性气体的气氛中溶解在硫酸水溶液中,(b)所得的酸性 用氧气,含氧气体或能够在水介质中释放氧的物质处理硫酸钴溶液。
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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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