期刊
RSC ADVANCES
卷 3, 期 40, 页码 18441-18445出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ra42223b
关键词
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资金
- NSF/CMMI NanoManufacturing Program [1131290]
- New Mexico Consortium
- National Nuclear Security Administration of the U.S. Department of Energy [DE-AC52-06NA25396]
- Directorate For Engineering
- Div Of Civil, Mechanical, & Manufact Inn [1131290] Funding Source: National Science Foundation
Spinel LiMn2-xNixO4 (x = 0, 0.1, 0.2) nanoparticles were prepared through a simple one-step polymer-assisted chemical solution method. When x = 0.1, the cathode exhibited the best durable rate capability, with 100% of the capacity retained (similar to 100 mAh g(-1)) after 400 cycles at 10 C current rate. The excellent cyclability and rate capability originate from the thin carbon layer automatically formed from incomplete depolymerisation of polymers and the improved conductivity due to the nickel dopant. The improved conductivity was confirmed by less polarization at high current rate.
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