The Preparation and Electrochemical Performance of Olivine Cathode Materials Based on LiMn1/3Fe1/3Co1/3PO4/C
Solid solution LiMn1/3Fe1/3Co1/3PO4/C ternary materials were prepared by sol–gel method with glycine or citric acid as chelating agents. SEM images indicate that the particles are well distributed with regular morphologies, and the particle sizes are around 300 nm for both samples. The cyclic voltammetry (CV) and charge–discharge curves show that the reversibility of Mn2+/Mn3+ couple is improved apparently. The redox potential corresponding to Fe2+/Fe3+ couple has been increased which is beneficial to the energy density, and the redox potential related to Co2+/Co3+ couple has been declined which could accelerate dynamics of intercalation/deintercalation and make the electrochemical reaction more smoothly. The obtained LiMn1/3Fe1/3Co1/3PO4/C materials with glycine as chelating agent deliver a capacity of 151.5, 142.6, 122.8, 97.9 mAh g−1 at 0.05 C, 0.1 C, 0.5 C and 1 C, respectively. And the obtained material with citric acid as chelating agent delivers a capacity of 150.8, 135.0, 111.5, 85.2 mAh g−1, respectively, at the same rates.
No Reference information available - sign in for access.
No Citation information available - sign in for access.
No Supplementary Data.
No Article Media
Document Type: Research Article
Publication date: January 1, 2016
More about this publication?
- Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
- Editorial Board
- Information for Authors
- Subscribe to this Title
- Terms & Conditions
- Ingenta Connect is not responsible for the content or availability of external websites