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Liang Zhao, Junmei Zhao, Yong-Sheng Hu, Hong Li, Zhibin Zhou, Michel Armand and Liquan Chen Disodium Terephthalate (Na2C8H4O4) as High Performance Anode Material for Low-Cost Room-Temperature Sodium-Ion Battery Advanced Energy Materials 2

Version of Record online: 11 MAY 2012 | DOI: 10.1002/aenm.201200166

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In this contribution, a cheap organic material, disodium terephthalate, Na2C8H4O4, has been firstly evaluated as a novel anode for room-temperature Na-ion batteries. The material exhibits a high reversible capacity of 250 mAh/g with excellent cycleability. The average Na storage voltage is approximately 0.43 V vs. Na+/Na. A thin layer of Al2O3 coating on the electrode surface derived from the atomic layer deposition technique is effective in further enhancing Na storage performance.

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