[交流] 溶胶-凝胶法制备LiFePO4已有10人参与

2楼: Originally posted by jetlian at 2012-03-28 14:24:53:
如果在还原性气氛中烧会怎么样？

4楼: Originally posted by sophie198332 at 2012-03-29 09:58:21:
用氢氩混合气

5楼: Originally posted by chem.chen at 2012-03-29 10:09:10:
肯定漏气了

8楼: Originally posted by 三十六计 at 2012-03-29 13:58:31:
烘箱蒸发水分的时候采用一下气氛保护

10楼: Originally posted by chem.chen at 2012-03-29 16:01:55:
楼主为何用柠檬酸钠，最后烧完钠去哪了？

14楼: Originally posted by liusong0_0 at 2012-03-30 10:22:19:
只说一点, 楼主在800度下烧结肯定是不行的, 因为LFP材料在900度时就极不稳定, 会分解. 一般都是在600-700度烧结成型. 烧的时候, 瓷舟旁边还要放上碳粉石墨或树脂等在高温下形成还原气氛的物质. 氮气最好用高纯的, ...

17楼: Originally posted by 青青子衿1986 at 2012-03-30 19:05:28:
钠会堵塞锂离子通道的，慎用。