Understanding the Size-Dependent Sodium Storage Properties of Na2C6O6-Based Organic Electrodes for Sodium-Ion Batteries

• DOI: 10.1021/acs.nanolett.6b00954
• Publication Date: 2016-04-14T16:48:14Z
• Authors: Yaqun Wang; Yu Ding; Lijia Pan; Ye Shi; Zhuanghao Yue; Yi Shi; Guihua Yu
• Keywords: 01 natural sciences; 7. Clean energy; 0104 chemical sciences; 12. Responsible consumption

Organic electroactive materials represent a new generation of sustainable energy storage technology due to their unique features including environmental benignity, material sustainability, and highly tailorable properties. Here carbonyl-based organic salt Na2C6O6, sodium rhodizonate (SR) dibasic, is systematically investigated for high-performance sodium-ion batteries. A combination structural control, electrochemical analysis, computational simulation show that rational morphological control can lead significantly improved performance. facile antisolvent method was developed synthesize microbulk, microrod, nanorod structured SRs, which exhibit strong size-dependent ion The SR exhibited the best performance deliver reversible capacity ∼190 mA h g–1 at 0.1 C with over 90% retention after 100 cycles. At high rate 10 C, 50% be obtained enhanced reaction kinetics, such activity maintains even 80 °C. These results demonstrate generic design route toward organic-based electrode beyond Li-ion Using biomass-derived enables access devices low cost, thermal stability.