Journal
ECS Electrochemistry Letters
Volume 4, Issue 6, Pages A53-A55Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.0061506eel
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Funding
- National Basic Research Program of China (973 program) [2011CB935903]
- National Natural Science Foundation of China [21233004, 21321062]
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The expected theoretical energy density of Na2CoPO4F as a cathode material for sodium ion batteries surpasses 500 Wh kg(-1) even if considering only one-electron utilized per formula unit. It is therefore one of the highest energy density cathode materials for sodium-ion batteries. In this work, pure phase Na2CoPO4F/C nanocomposite was successfully synthesized by a spray-drying and high temperature sintering method. The Na2CoPO4F/C nanocomposite, when tested vs. sodium metal, delivered a discharge capacity of 107 mAh g(-1) with a voltage plateau at 4.3 V. (C) 2015 The Electrochemical Society. All rights reserved.
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