发明名称 |
PROCESS FOR THE ELECTROLYTIC PREPARATION OF RARE-EARTH ELEMENTS OR THEIR ALLOYS, AND APPARATUS FOR CARRYING OUT THE PROCESS |
摘要 |
1. A process for the preparation of a rare earth metal or an alloy of rare earth metal with at least one metal selected from the group consisting of rare earths and transition metals by electrolysis in a bath of molten salts, characterised by effecting on solid electrodes the electrolysis of at least one chloride of a rare earth in a bath of salts essentially comprising lithium chloride and lithium fluoride ; the cathode being a cathode of tungsten or formed by at least one rare earth metal when preparing a rare earth metal or an alloy of rare earth metals, the cathode being formed by a transition metal or an alloy of a rare earth metal and a transition metal when preparing an alloy of at least one rare earth metal and at least one transition metal. |
申请公布号 |
DE3572371(D1) |
申请公布日期 |
1989.09.21 |
申请号 |
DE19853572371 |
申请日期 |
1985.12.04 |
申请人 |
RHONE-POULENC CHIMIE |
发明人 |
SEON, FRANCOISE;BARTHOLE, GHISLAINE |
分类号 |
C25C3/00;C25C3/34;C25C3/36;C25C7/00;(IPC1-7):C25C3/00 |
主分类号 |
C25C3/00 |
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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