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研究生杨浩淋

新虫 (初入文坛)

[求助] 磷酸铁锂包覆导电聚吡咯 已有1人参与

哪位大神能帮忙解答一下,为什么我在磷酸铁锂表面包覆聚吡咯的过程中,磷酸铁锂会变成磷酸铁,比容量也上不去。?
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travis1993

新虫 (初入文坛)

【答案】应助回帖

我做的是锰酸锂在包覆聚吡咯后也发现了这样的问题,我怀疑是由于合成聚吡咯膜的过程中由于采用的恒电位法,导致锂离子脱出,而且聚吡咯一旦包上去会对锂离子的嵌入会有影响,所以我现在也很纠结,因为本来包覆聚吡咯是为了提升LMO的稳定性的,没想到包覆过后,稳定性比容量都下降了。 楼主加油,我认为应该是聚吡咯膜做的有问题
2楼2017-04-05 10:01:59
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