Journal
RSC ADVANCES
Volume 3, Issue 40, Pages 18441-18445Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ra42223b
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Funding
- 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
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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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