Abstract:
The present invention relates to a process for the preparation of compounds of general formula (I) Lia-bM1 bFe1-cM2 cPd-eM3 eOx, wherein Fe has the oxidation state +2 and M1, M2, M3, a, b, c, d, e and x are: M1 : Na, K, Rb and/or Cs, M2: Mn, Mg, Al, Ca, Ti, Co, Ni, Cr, V, M3: Si, S, F a: 0.8 - 1.9, b: 0 - 0.3, c: 0 - 0.9, d: 0.8 - 1.9, e: 0 - 0.5, x: 1.0 - 8, depending on the amount and oxidation state of Li, M1, M2, P, M3, wherein compounds of general formula (I) are neutrally charged, comprising the following steps (A) providing a mixture comprising at least one lithium-comprising compound, at least one iron-comprising compound, in which iron has the oxidation state 0, and at least one M1-comprising compound, if present, and/or at least one M2-comprising compound, if present, and/or least one M3-comprising compound, if present, and at least one compound comprising at least one phosphorous atom in oxidation state +5, and (B) heating the mixture obtained in step (A) at a temperature of 100 to 500 °C and at an autogeneous pressure to obtain a compound of general formula (I).
Abstract:
The present invention relates to a method for the production of lithium-rich metal oxides and lithium-rich metal oxides obtainable using said method. The invention further relates to the use of lithium-rich metal oxides for the production of a cathode for a battery, particularly a lithium ion battery, and a cathode for a lithium ion battery containing lithium-rich metal oxides.
Abstract:
The invention relates to pigments of empirical formula (TiO 2 ) a (ZnO) b (SnO) c (SnO 2 ) d (RE x O y ) e (EAO) f (M u O v ) g where RE is a metal of the third sub-group or a rare earth metal, EA is an earth alkali metal and M is any further metal, with a = 0.8 - 3; b = 0.5 - 1.3; c = 0.5 - 1.3; d = 0 - 0.5; e = 0 - 0.3; f = 0 - 0.3; g = 0 - 0.1, where e + f = 0.01. RE is preferably selected from the elements Y, La, Ce and Pr. The pigments are used for colouring paints, printing inks, inks, plastics and rubber.
Abstract translation:颜料的经验组成(的TiO 2 SUB>)一 SUB>(ZnO)的 B'/ SUB>(SNO) C SUB>(SNO 2 SUB>)ð SUB>(RE X SUB> 0 ý SUB>)取值 SUB>(EAO)˚F< / SUB>(M û SUB> 0 v SUB>)克 SUB>其中RE是过渡族3或稀土金属,EA碱土金属的金属,M是一 指任何另外的金属,其中a = 0.8〜3; B = 0.5〜1.3; C = 0.5〜1.3; D = 0至0.5; E = 0至0.3; F = 0至0.3; G = 0〜0.1,其中E + F = RE是优选0,01.20由元素Y,La,Ce和Pr中的颜料作为着色使用的涂料,印刷油墨,油墨,塑料和橡胶的着色剂..
Abstract:
The present invention relates to a Process for the preparation of compounds of general formula (I), Lia-bM1bFe1-cM2 cPd-eM3 eOx, wherein M1, M2, M3, a, b, c, d and e: M1: Na, K, Rb and/or Cs, M2: Mn, Mg, Ca, Ti, Co, Ni, Cr, V, M3: Si, S, a: 0.8 - 1.9, b: 0 - 0.3, c: 0 - 0.9, d: 0.8 - 1.9, e: 0 - 0.5, x: 1.0 - 8, depending on the amount and oxidation state of Li, M1, Fe, M2, P, M3, wherein compounds of general formula (I) are neutrally charged, comprising the following steps (A) providing a mixture comprising at least one lithium-comprising compound, at least one iron-comprising compound, in which iron has the oxidation state +3, and at least one M1-comprising compound, if present, and/or at least one M2-comprising compound, if present, and/or least one M3-comprising compound, if present, and at least one reducing agent which is oxidized to at least one compound comprising at least one phosphorous atom in oxidation state +5, (B) optionally drying the mixture provided in step (A), in order to obtain a solid compound and (C) calcining the solid compound obtained from step (A) or (B) at a temperature of 300 to 1000° C.
Abstract:
The present invention relates to a process for the preparation of compounds of general formula (I) Lia-bM1 bQ1-cM2 cPd-eM3 eOx (l), wherein Q has the oxidation state +2 and M1, M2, M3, a, b, c, d, e and x are: Q: Fe, Mn, Co, Ni, M1 : Na, K, Rb and/or Cs, M2: Mg, Al, Ca, Ti, Co, Ni, Cr, V, Fe, Mn, wherein Q and M2 are different from each other, M3: Si, S, F a: 0.8 - 1.9, b: 0 - 0.3, c: 0 - 0.9, d: 0.8 - 1.9, e: 0 - 0.5, x: 1.0 - 8, depending on the amount and oxidation state of Li, M1, M2, P, M3, wherein compounds of general formula (I) are neutrally charged, comprising the following steps (A) providing a mixture comprising at least one lithium-comprising compound, at least one Q-comprising compound, in which Q has at least partially an oxidation state higher than +2, and at least one M1-comprising compound, if present, and/or at least one M2-comprising compound, if present, and/or least one M3-comprising compound, if present, and at least one reducing agent which is oxidized to at least one compound comprising at least one phosphorous atom in oxidation state +5, and (B) heating the mixture obtained in step (A) at a temperature of 100 to 500 °C and at an autogeneous pressure to reduce Q to oxidation state +2 and to obtain a compound of general formula (I).
Abstract:
Alkali transition metal fluorophosphates of the general Formula (1) Li1-?M1M 2 1-yM3 yPO4F (1), wherein 0 = x = 1, 0 = y =1, M1 = Li, Na, K, Rb, Cs, M2, M3 = Fe, Co, Ni, Mn, Cr, V, Ti, which give powder X-ray diffraction (XRD) patterns wherein the seven most intense reflexes occur at Bragg angels corresponding to distances between the planes in the atomic lattice of 5.51+0.4, 5.45+0.4, 3.83+0.3, 2.75+0.3, 2.72+0.3, 2.68+0.3 and 2.41+0.2 Angstrom.
Abstract:
The present invention relates to a process for the preparation of compounds of general formula (I) Lia-bM1 bV2-cM2 c(PO4)x (I) with M1: Na, K, Rb and/or Cs, M2: Ti, Zr, Nb, Cr, Mn, Fe, Co, Ni, Al, Mg and/or Sc, a: 1.5 - 4.5, b: 0 - 0.6, c: 0 - 1.98 and x: number to equalize the charge of Li and V and M1 and/or M2, if present, wherein a-b is > 0, by providing an essentially aqueous mixture comprising at least one lithium-comprising compound, at least one vanadium-comprising compound in which vanadium has the oxidation state +5 and/or +4, and at least one M1-comprising compound, if present, and/or at least one M2-comprising compound, if present, and at least one reducing agent which is oxidized to at least one compound comprising at least one phosphorous atom in oxidation state +5, drying and calcining.
Abstract:
The present invention relates to a process for the preparation of compounds of general formula (I) : Lia-bM1 bV2-cM2 c(PO4)x; wherein M1, M2, a, b, c and x have the following meanings: M1: Na, K, Rb and/or Cs, M2: Ti, Zr, Nb, Cr, Mn, Fe, Co, Ni, Al, Mg and/or Sc, a: 1.5 - 4.5, b: 0 - 0.6, c: 0 - 1.98 and x: number to equalize the charge of Li and V and M1 and/or M2, if present, wherein a-b is > 0, to a compound according to general formula (I) as defined above, to spherical agglomerates and/or particles comprising at least one compound of general formula (I) as defined above, to the use of such a compound for the preparation of a cathode of a lithium ion battery or an electrochemical cell, and to a cathode for a lithium ion battery, comprising at least one compound as defined above.
Abstract:
A process for producing oxidic compounds of the general formula (?) LizMxOy (?) wherein M is one or more elements from groups 2 to 12 of the periodic table, more particularly selected from Co, Mn, Ni, Fe, Al, Mg, x is 1 to 2, y is 2 to 4, and z is 0.5 to 1.5, comprises heating mixtures selected from oxides, hydroxides, carbonates and nitrates of Li and of M together to temperatures in the range from 600 to 1200? in a reaction vessel performing incomplete rotary motions about one axis.
Abstract:
Use of bismuth vanadate pigments, comprising aluminum content greater than or equal to 1.4 wt.%, for coloring powder lacquers. An independent claim is included for a powder lacquer, comprising the bismuth vanadate pigments as the coloring components.