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hhxxa

金虫 (正式写手)

[求助] 氧化锰做锂电负极 已有1人参与

一氧化锰、二氧化锰和四氧化三锰都可以做锂电负极材料。看文献二氧化锰的理论容量相对最高,请问这三种材料哪个最适合做锂电负极,像二氧化锰理论容量最高,那为什么还要研究另外两种氧化物呢?
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suman

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【答案】应助回帖

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感谢参与,应助指数 +1
hhxxa: 金币+30, ★★★很有帮助 2014-11-16 14:06:47
Mno2 has the highest capacity due to its high chemical valence. But the discharge platform is about 1.5V which is higher compared with MnO. This results in a lower energy density. Additionally, high capacity means large volume change during charge and discharge which will cause poor cyclic stability.
2楼2014-10-24 04:47:38
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hhxxa

金虫 (正式写手)

引用回帖:
2楼: Originally posted by suman at 2014-10-24 04:47:38
Mno2 has the highest capacity due to its high chemical valence. But the discharge platform is about 1.5V which is higher compared with MnO. This results in a lower energy density. Additionally, high  ...

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3楼2014-10-24 21:28:40
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ysjwall

新虫 (初入文坛)

这个手册哪里有?
4楼2018-01-08 09:02:22
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