发明名称 |
METHOD FOR SYNTHESIS OF CARBON-COATED REDOX MATERIALS WITH CONTROLLED SIZE |
摘要 |
The invention concerns a method for the synthesis of compounds of formula C-LixM1-y(XO4)n wherein: x, y and n represent numbers such that 0 </= x 2, 0 </= m </= 0.6 and 1 </= n </= 1.5; M is a transition metal or a mixture of transition metals of the first line of the periodic table; M' is an element with fixed valency selected among Mg<2+, >Ca<2+>, Al<3+>,Zn<2+>, or a combination of said elements; and X is selected among S, P and Si, by balancing in appropriate proportions a mixture or precursors, the synthesis being performed by reacting and balancing a mixture of precursors in the appropriate proportions of precursors, with a gaseous atmosphere, the method comprising at least a step of pyrolyzing a carbon-producing compound so as to obtain a compound whereof the electronic conductivity, measured on a sample of compacted powder, at a pressure of 3750 Kg.cm<-2>, is higher than 10<-8> S.cm<-1>. The resulting materials are thus formed by the particles of the compound coated with a conductive carbon layer. |
申请公布号 |
WO0227823(A1) |
申请公布日期 |
2002.04.04 |
申请号 |
WO2001CA01349 |
申请日期 |
2001.09.21 |
申请人 |
HYDRO-QUEBEC;ARMAND, MICHEL;GAUHTIER, MICHEL;MAGNAN, JEAN-FRANCOIS;RAVET, NATHALIE |
发明人 |
ARMAND, MICHEL;GAUHTIER, MICHEL;MAGNAN, JEAN-FRANCOIS;RAVET, NATHALIE |
分类号 |
G02F1/01;C01B17/96;C01B25/12;C01B25/37;C01B25/45;C01B33/00;C01B33/20;G02F1/15;G02F1/155;H01G9/00;H01G11/00;H01G11/30;H01G11/50;H01M4/136;H01M4/1397;H01M4/36;H01M4/48;H01M4/485;H01M4/52;H01M4/525;H01M4/58;H01M4/62;H01M10/052;H01M10/0525;H01M10/36 |
主分类号 |
G02F1/01 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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