摘要:
A method for the synthesis of compounds of the formula C—LixM1−yM′y(XO4)n, where C represents carbon cross-linked with the compound LixM1−yM′y(XO4)n, in which x, y and n are numbers such as 0≦x≦2, 0≦y≦0.6, and 1≦n≦1.5, M is a transition metal or a mixture of transition metals from the first period of the periodic table, M′ is an element with fixed valency selected among Mg2+, Ca2+, Al3+, Zn2+ or a combination of these same elements and X is chosen among S, P and Si, by bringing into equilibrium, in the required proportions, the mixture of precursors, with a gaseous atmosphere, the synthesis taking place by reaction and bringing into equilibrium, in the required proportions, the mixture of the precursors, the procedure comprising at least one pyrolysis step of the carbon source compound in such a way as to obtain a compound in which the electronic conductivity measured on a sample of powder compressed at a pressure of 3750 Kg·cm−2 is greater than 10−8 S·cm−1. The materials obtained have excellent electrical conductivity, as well a very improved chemical activity.
摘要翻译:用于合成式C-LixM1-yM'y(XO4)n的化合物的方法,其中C表示与化合物LixM1-yM'y(XO4)n交联的碳,其中x,y和n为 数字如0 <= x <= 2,0 <= y <= 0.6,1 <= n <= 1.5,M是过渡金属或来自周期表第一周期的过渡金属的混合物,M' 是选自Mg2 +,Ca2 +,Al3 +,Zn2 +或这些相同元素的组合的固定化合价元素,X选自S,P和Si,通过以所需比例以所需比例将前体混合物与 通过反应进行合成,并以所需比例使所述前体的混合物达到平衡,所述前体的混合物以包含至少一个碳源化合物的热解步骤的方式得到其中 在压力为3750Kg·cm-2压缩的粉末样品上测量的电子电导率大于10-8Scm-1。 获得的材料具有优异的导电性,以及非常改进的化学活性。
摘要:
Method of synthesis for a material made of particles having a core and a coating and/or being connected to each other by carbon cross-linking, the core of these particles containing at least one compound of formula LixM1-yM′y(XO4)n, in which x, y and n are numbers such as 0≦x≦2, 0≦y≦0.6 and 1≦n≦1.5, M is a transition metal, M′ is an element with fixed valency, and the synthesis is carried out by reaction and bringing into equilibrium the mixture of precursors, with a reducing gaseous atmosphere, in such a way as to bring the transition metal or metals to the desired valency level, the synthesis being carried out in the presence of a source of carbon called carbon conductor, which is subjected to pyrolysis. The materials obtained have excellent electrical conductivity, as well as very improved chemical activity.
摘要翻译:由具有芯和涂层的颗粒和/或通过碳交联彼此连接的材料制成的材料的合成方法,这些颗粒的芯含有至少一种式Li x x的化合物, 其中x,y和n是数字,其中x,y和n是数字,其中x,y和n是数字, 例如0 <= x <= 2,0 <= y <= 0.6和1 <= n <= 1.5,M是过渡金属,M'是具有固定价态的元素,合成通过反应和 使前体的混合物与还原性气体气氛以使过渡金属或金属达到所需化合价水平的方式达到平衡,该合成是在称为碳导体的碳源的存在下进行的,其中 经受热解。 获得的材料具有优异的导电性,以及非常改善的化学活性。
摘要:
A method for the synthesis of compounds of the formula C—LixM1−yM′y(XO4)n, where C represents carbon cross-linked with the compound LixM1−yM′y(XO4)n, in which x, y and n are numbers such as 0≦x≦2, 0≦y≦0.6, and 1≦n≦1.5, M is a transition metal or a mixture of transition metals from the first period of the periodic table, M′ is an element with fixed valency selected among Mg2+, Ca2+, Al3+, Zn2+ or a combination of these same elements and X is chosen among S, P and Si, by bringing into equilibrium, in the required proportions, the mixture of precursors, with a gaseous atmosphere, the synthesis taking place by reaction and bringing into equilibrium, in the required proportions, the mixture of the precursors, the procedure including at least one pyrolysis step of the carbon source compound.
摘要:
Method of synthesis for a material made of particles having a core and a coating and/or being connected to each other by carbon cross-linking, the core of these particles containing at least one compound of formula LixM1−yM′y(XO4)n, in which x,y and n are numbers such as 0≦x≦2, 0≦y≦0.6 and 1≦n≦1.5, M is a transition metal, M′ is an element with fixed valency, and the synthesis is carried out by reaction and bringing into equilibrium the mixture of precursors, with a reducing gaseous atmosphere, in such a way as to bring the transition metal or metals to the desired valency level, the synthesis being carried out in the presence of a source of carbon called carbon conductor, which is subjected to pyrolysis. The materials obtained have excellent electrical conductivity as well as very improved chemical activity.
摘要翻译:由具有芯和涂层的颗粒和/或通过碳交联彼此连接的材料制成的材料的合成方法,这些颗粒的芯含有至少一种式Li x x的化合物, 其中x,y和n是数字,其中x,y和n是数字,其中x,y和n是数字, 例如0 <= x <= 2,0 <= y <= 0.6和1 <= n <= 1.5,M是过渡金属,M'是具有固定价态的元素,合成通过反应和 使前体的混合物与还原性气体气氛以使过渡金属或金属达到所需化合价水平的方式达到平衡,该合成是在称为碳导体的碳源的存在下进行的,其中 经受热解。 获得的材料具有优异的导电性以及非常改善的化学活性。
摘要:
Method of synthesis for a material made of particles having a core and a coating and/or being connected to each other by carbon cross-linking, the core of these particles containing at least one compound of formula LixM1−yM′y(XO4)n, in which x, y and n are numbers such as 0≦x≦2, 0≦y≦0.6 and 1≦n≦1.5, M is a transition metal, M′ is an element with fixed valency, and the synthesis is carried out by reaction and bringing into equilibrium the mixture of precursors, with a reducing gaseous atmosphere, in such a way as to bring the transition metal or metals to the desired valency level, the synthesis being carried out in the presence of a source of carbon called carbon conductor, which is subjected to pyrolysis. The materials obtained have excellent electrical conductivity, as well as very improved chemical activity.
摘要翻译:由具有芯和涂层的颗粒和/或通过碳交联彼此连接的材料制成的材料的合成方法,这些颗粒的芯含有至少一种式Li x x的化合物, 其中x,y和n是数字,其中x,y和n是数字,其中x,y和n是数字, 例如0 <= x <= 2,0 <= y <= 0.6和1 <= n <= 1.5,M是过渡金属,M'是具有固定价态的元素,合成通过反应和 使前体的混合物与还原性气体气氛以使过渡金属或金属达到所需化合价水平的方式达到平衡,该合成是在称为碳导体的碳源的存在下进行的,其中 经受热解。 获得的材料具有优异的导电性,以及非常改善的化学活性。
摘要:
The invention concerns novel ionic compounds with low melting point whereof the onium type cation having at least a heteroatom such as N, O, S or P bearing the positive charge and whereof the anion includes, wholly or partially, at least an ion imidide such as (FX1O)N−(OX2F) wherein X1 and X2 are identical or different and comprise SO or PF, and their use as solvent in electrochemical devices. Said composition comprises a salt wherein the anionic charge is delocalised, and can be used, inter alia, as electrolyte.
摘要:
The invention concerns novel ionic compounds with low melting point whereof the onium type cation having at least a heteroatom such as N, 0, S or P bearing the positive charge and whereof the anion includes, wholly or partially, at least an ion imidide such as (FXI0)N—(OX2F) wherein X1 and X2 are identical or different and comprise SO or PF, and their use as solvent in electrochemical devices. Said composition comprises a salt wherein the anionic charge is delocalised, and can be used, inter alia, as electrolyte.
摘要:
The invention concerns novel ionic compounds with low melting point whereof the onium type cation having at least a heteroatom such as N, O, S or P bearing the positive charge and whereof the anion includes, wholly or partially, at least an ion imidide such as (FX1O)N−(OX2F) wherein X1 and X2 are identical or different and comprise SO or PF, and their use as solvent in electrochemical devices. Said composition comprises a salt wherein the anionic charge is delocalised, and can be used, inter alia, as electrolyte.
摘要:
The invention concerns novel ionic compounds with low melting point whereof the onium type cation having at least a heteroatom such as N, 0, S or P bearing the positive charge and whereof the anion includes, wholly or partially, at least an ion imidide such as (FXI0)N—(OX2F) wherein X1 and X2 are identical or different and comprise SO or PF, and their use as solvent in electrochemical devices. Said composition comprises a salt wherein the anionic charge is delocalised, and can be used, inter alia, as electrolyte.
摘要:
The invention concerns novel ionic compounds with low melting point whereof the onium type cation having at least a heteroatom such as N, O, S or P bearing the positive charge and whereof the anion includes, wholly or partially, at least an ion imidide such as (FX1O)N−(OX2F) wherein X1 and X2 are identical or different and comprise SO or PF, and their use as solvent in electrochemical devices. Said composition comprises a salt wherein the anionic charge is delocalised, and can be used, inter alia, as electrolyte.