【摘 要】
：
Using Mn(OH)2 as precursor, LiOH as lithiat- ing agent and (NH4)2S2O8 as oxidant, layered o-LiMnO2 was obtained by a novel method——in situ oxidation-intercala
【机 构】
：
Key Laboratory of Science and Technology of Controllable Chemical Reactions,Ministry of Education,Be
【出 处】
：
Chinese Science Bulletin
论文部分内容阅读
Using Mn(OH)2 as precursor, LiOH as lithiat- ing agent and (NH4)2S2O8 as oxidant, layered o-LiMnO2 was obtained by a novel method——in situ oxidation-intercalation under mild conditions (80℃). The product was characterized by XRD, ICP, TEM and Li-NMR. The results reveal that 7 orthorhombic LiMnO2 with high purity and good crystallin- ity can be obtained by this method. During electrochemical tests, a LiMnO2/Li cell shows an initial reversible capacity of 208 mAh·g?1 and a reversible capacity of 180 mAh·g?1 after 30 cycles at room temperature.
Using Mn (OH) 2 as precursor, LiOH as lithiat- ing agent and (NH4) 2S2O8 as oxidant, layered o-LiMnO2 was obtained by a novel method - in situ oxidation- intercalation under mild conditions was characterized by XRD, ICP, TEM and Li-NMR. The results reveal that 7 orthorhombic LiMnO2 with high purity and good crystallinity- can be obtained by this method. During electrochemical tests, a LiMnO2 / Li cell shows an initial reversible capacity of 208 mAh · g -1 and a reversible capacity of 180 mAh · g -1 after 30 cycles at room temperature.
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