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hhxxa金蟲 (正式寫手)
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[求助]
氧化錳做鋰電負(fù)極 已有1人參與
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| 一氧化錳、二氧化錳和四氧化三錳都可以做鋰電負(fù)極材料。看文獻二氧化錳的理論容量相對最高,請問這三種材料哪個最適合做鋰電負(fù)極,像二氧化錳理論容量最高,那為什么還要研究另外兩種氧化物呢? |
木蟲 (著名寫手)
| 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. |
金蟲 (正式寫手)
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