Electrochemical activation induced multi-valence variation of (NH4)2V4O9 as high-performance cathode material for zinc-ion batteries
Keyword(s):
Zinc Ion
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In this paper, we found that (NH4)2V4O9 undergo an electrochemical activation process in the first charging process at ~1.4 V (vs. Zn2+/Zn), leading to a significant improvement of capacity and...