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1.发明授权Positive electrode active material for nonaqueous secondary cells and a process for producing said active material 失效用于非水二次电池和工艺生产这种材料的activen正极活性材料
公开(公告)号：EP0845437B1
公开(公告)日：2007-03-07
申请号：EP97115767.2
申请日：1997-09-10
发明人： Ito, Yuichi , Hiraoka, Yukio , Iikawa, Akinobu , Nishisako, Masaru , Nagata, Choju , Harigae, Kenichi
CPC分类号： C01G53/50 , C01G53/42 , C01P2002/54 , C01P2004/32 , C01P2004/51 , C01P2004/61 , C01P2006/11 , C01P2006/12 , C01P2006/40 , C01P2006/80 , H01M4/485 , H01M4/505 , H01M4/525
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2.发明公开Positive electrode active material for nonaqueous secondary cells and a process for producing said active material 失效用于非水二次电池和工艺生产这种材料的activen正极活性材料
公开(公告)号：EP0845437A3
公开(公告)日：2000-11-15
申请号：EP97115767.2
申请日：1997-09-10
发明人： Ito, Yuichi , Hiraoka, Yukio , Iikawa, Akinobu , Nishisako, Masaru , Nagata, Choju , Harigae, Kenichi
CPC分类号： C01G53/50 , C01G53/42 , C01P2002/54 , C01P2004/32 , C01P2004/51 , C01P2004/61 , C01P2006/11 , C01P2006/12 , C01P2006/40 , C01P2006/80 , H01M4/485 , H01M4/505 , H01M4/525
摘要： The mixed powders of a lithium compound and a transition metal based compound are formed into shaped parts, which are packed to form a bed 6 on a porous plate 5 in the bottom of a reaction vessel 7 placed on a support 10 in a firing furnace 8 equipped with an electric heater; the packed parts are fired with an oxidizing gas such as air being forced through the bed 6 at a superficial velocity higher than a specified value via a gas feed pipe 3 connecting an air pump 1, a flow regulator 2 and a preheater 4 and the gas emerging from the bed 6 is discharged into the air atmosphere through a ventilation port 9. Even if increased amounts of the mixed powders have to be fired, the invention process enables the production of a lithium complex oxide as an active material that is homogeneous and which features excellent cell characteristics. If the manufacturing conditions are controlled such that the media diameter as a powder characteristic of the lithium complex oxide is within an appropriate range while, at the same time, the ratio of the median diameter to the specific surface area diameter is adjusted to lie within an appropriate range, one can produce an active material that has not only high initial capacity but also improved cycle characteristics.
摘要翻译： 锂化合物和过渡金属类化合物的混合粉末成形为成形部件，其被填充以形成床6上的多孔板5在反应容器7的烧制炉8放置在支撑件10的底部 配备有电加热器; 填充部件在氧化性气体与焙烧：如空气通过所述床6被迫在通过连接到空气泵1，一个流量调节器2和一个预热器4和气体的气体供给管3的空塔速度比规定值高 从床6新兴通过通气口9，即使将混合的粉末的量增加已经被解雇排入大气中，本发明方法使得能够生产的锂复合氧化物作为活性物质的那样是均匀的并且其 具有优良的电池特性。 如果制造条件进行控制调查做了媒体直径作为锂复合氧化物的粉末特性是内以适当的范围内，同时，在同一时间，中值粒径的比表面积直径的比被调整为位于内的 适当的范围内，可以产生对活性材料并处理不当仅高初始容量，但这样改善的循环特性。
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3.发明公开Positive electrode active material for nonaqueous secondary cells and a process for producing said active material 失效用于非水二次电池和工艺生产这种活性材料的正极活性材料
公开(公告)号：EP0845437A2
公开(公告)日：1998-06-03
申请号：EP97115767.2
申请日：1997-09-10
发明人： Ito, Yuichi , Hiraoka, Yukio , Iikawa, Akinobu , Nishisako, Masaru , Nagata, Choju , Harigae, Kenichi
CPC分类号： C01G53/50 , C01G53/42 , C01P2002/54 , C01P2004/32 , C01P2004/51 , C01P2004/61 , C01P2006/11 , C01P2006/12 , C01P2006/40 , C01P2006/80 , H01M4/485 , H01M4/505 , H01M4/525
摘要： The mixed powders of a lithium compound and a transition metal based compound are formed into shaped parts, which are packed to form a bed 6 on a porous plate 5 in the bottom of a reaction vessel 7 placed on a support 10 in a firing furnace 8 equipped with an electric heater; the packed parts are fired with an oxidizing gas such as air being forced through the bed 6 at a superficial velocity higher than a specified value via a gas feed pipe 3 connecting an air pump 1, a flow regulator 2 and a preheater 4 and the gas emerging from the bed 6 is discharged into the air atmosphere through a ventilation port 9. Even if increased amounts of the mixed powders have to be fired, the invention process enables the production of a lithium complex oxide as an active material that is homogeneous and which features excellent cell characteristics. If the manufacturing conditions are controlled such that the media diameter as a powder characteristic of the lithium complex oxide is within an appropriate range while, at the same time, the ratio of the median diameter to the specific surface area diameter is adjusted to lie within an appropriate range, one can produce an active material that has not only high initial capacity but also improved cycle characteristics.
摘要翻译： 锂化合物和过渡金属类化合物的混合粉末成形为成形部件，其被填充以形成床6上的多孔板5在反应容器7的烧制炉8放置在支撑件10的底部 配备有电加热器; 填充部件在氧化性气体与焙烧：如空气通过所述床6被迫在通过连接到空气泵1，一个流量调节器2和一个预热器4和气体的气体供给管3的空塔速度比规定值高 从床6新兴通过通气口9，即使将混合的粉末的量增加已经被解雇排入大气中，本发明方法使得能够生产的锂复合氧化物作为活性物质的那样是均匀的并且其 具有优良的电池特性。 如果制造条件进行控制调查做了媒体直径作为锂复合氧化物的粉末特性是内以适当的范围内，同时，在同一时间，中值粒径的比表面积直径的比被调整为位于内的 适当的范围内，可以产生对活性材料并处理不当仅高初始容量，但这样改善的循环特性。
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