Cathode Properties of Nanocrystalline Manganese Oxide Synthesized Through Soft Solution Processing.
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2005 Electrodes F 3000 Cathode Properties of Nanocrystalline Manganese Oxide Synthesized Through Soft Solution Processing. — Nanosized manganese oxide materials containing Zn are synthesized by precipitation from H2O/EtOH solutions of KMnO4 and Zn(NO3)2 (room temperature, 3 h). The samples are characterized by powder XRD, TEM, and XPS. The addition of Zn to the MnO2 material improves the electrochemical properties. The cath- ode materials prepared with optimized Zn concentration and pH show a specific capac- ity of 100 mAh/g with a good cyclability between 1.5 and 3.9 V vs Li/Li + . The opti- mized material includes Zn at a molar ratio of Zn/Mn of 0.047 and has ε-phase-like structure. — (WATANABE, T.; ZHOU, H.; HONMA, I.; J. Electrochem. Soc. 152 (2005) 8, A1568-A1573; Energy Technol. Res. Inst., Natl. Inst. Adv. Ind. Sci. Technol., Tsukuba, Ibaraki 305, Japan; Eng.) — W. Pewestorf 02- 016
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Transcript of Cathode Properties of Nanocrystalline Manganese Oxide Synthesized Through Soft Solution Processing.
2005
ElectrodesF 3000 Cathode Properties of Nanocrystalline Manganese Oxide Synthesized Through
Soft Solution Processing. — Nanosized manganese oxide materials containing Zn are synthesized by precipitation from H2O/EtOH solutions of KMnO4 and Zn(NO3)2 (room temperature, 3 h). The samples are characterized by powder XRD, TEM, and XPS. The addition of Zn to the MnO2 material improves the electrochemical properties. The cath-ode materials prepared with optimized Zn concentration and pH show a specific capac-ity of 100 mAh/g with a good cyclability between 1.5 and 3.9 V vs Li/Li+. The opti-mized material includes Zn at a molar ratio of Zn/Mn of 0.047 and has ε-phase-like structure. — (WATANABE, T.; ZHOU, H.; HONMA, I.; J. Electrochem. Soc. 152 (2005) 8, A1568-A1573; Energy Technol. Res. Inst., Natl. Inst. Adv. Ind. Sci. Technol., Tsukuba, Ibaraki 305, Japan; Eng.) — W. Pewestorf
02- 016
