发明名称 |
Method for the synthesis of surface-modified materials |
摘要 |
Disclosed is a method for producing surface-modified materials, such as core-shell materials with the core and the shell(s) being different distinct phases, or materials with a concentration gradient of one or more dopant or substituent element(s) from the surface to the bulk. The method comprises (i) treating the bulk of material with a solution containing a first solvent and at least one flocculant comprising a soluble polymer so that the flocculant adheres to the bulk; (ii) subsequently contacting the flocculant-treated bulk of step (i) with a dispersion containing a second solvent and the particulate solid particles to deposit the particulate solid particles on the flocculant-treated bulk; and (iii) subsequently treating the resultant of step (ii) with heat. This method can in particular be applied to produce surface-modified cathode materials for Li batteries with improved performance.
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申请公布号 |
US7566479(B2) |
申请公布日期 |
2009.07.28 |
申请号 |
US20030602251 |
申请日期 |
2003.06.23 |
申请人 |
LG CHEM, LTD. |
发明人 |
BESENHARD JUERGEN OTTO;WACHTLER MARIO;HAN JOONG-HEE;BASCH ANGELIKA |
分类号 |
B05D7/00;B05D3/00;C01G51/00;C09C3/06;H01M4/02;H01M4/04;H01M4/131;H01M4/1391;H01M4/36;H01M4/48;H01M4/485;H01M4/50;H01M4/505;H01M4/52;H01M4/525;H01M4/58;H01M10/0525;H01M10/36 |
主分类号 |
B05D7/00 |
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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