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Building better batteries.

by M Armand, J-M Tarascon, Zhizhen Zhang, Liwei Jiang, Linqin Mu, Yong-Sheng Hu, Hong Li, Xiaolong Chen, Michel Armand, Liquan Chen, Xuejie Huang, M. Armand, J.-M. Tarascon, B. Dunn, H. Kamath, J.-M. Tarascon, Y. Wang, X. Yu, S. Xu, J. Bai, R. Xiao, Y.-S. Hu, H. Li, X.-Q. Yang, L. Chen, X. Huang, H. Pan, Y.-S. Hu, L. Chen, S.-W. Kim, D.-H. Seo, X. Ma, G. Ceder, K. Kang, M. D. Slater, D. Kim, E. Lee, C. S. Johnson, V. L. Chevrier, G. Ceder, D. A. Stevens, J. R. Dahn, S. Komaba, W. Murata, T. Ishikawa, N. Yabuuchi, T. Ozeki, T. Nakayama, K. Gotoh, K. Fujiwara, Y. Li, S. Xu, X. Wu, J. Yu, Y. Wang, Y.-S. Hu, H. Li, L. Chen, X. Huang, P. Senguttuvan, G. Rousse, V. Seznec, J.-M. Tarascon, M. R. Palacín, H. Pan, X. Lu, X. Yu, Y.-S. Hu, H. Li, X.-Q. Yang, L. Chen, Y. Sun, L. Zhao, H. Pan, X. Lu, L. Gu, Y.-S. Hu, H. Li, M. Armand, Y. Ikuhara, L. Chen, X. Huang, C. Delmas, F. Cherkaoui, A. Nadiri, P. Hagenmuller, H. Chen, M. Armand, G. Demailly, F. Dolhem, P. Poizot, J.-M. Tarascon, M. Armand, S. Grugeon, H. Vezin, S. Laruelle, P. Ribière, P. Poizot, J.-M. Tarascon, Y. Liang, Z. Tao, J. Chen, Z. Song, H. Zhou, R.-H. Zeng, X.-p. Li, Y.-c. Qiu, W.-s. Li, J. Yi, D.-s. Lu, C.-l. Tan, M.-q. Xu, Z. Song, H. Zhan, Y. Zhou, K. Sakaushi, E. Hosono, G. Nickerl, T. Gemming, H. Zhou, S. Kaskel, W. Deng, X. Liang, X. Wu, J. Qian, Y. Cao, X. Ai, J. Feng, H. Yang, M. Yao, K. Kuratani, T. Kojima, N. Takeichi, H. Senoh, T. Kiyobayashi, Y. Liang, P. Zhang, J. Chen, J. Hong, M. Lee, B. Lee, D.-H. Seo, C. B. Park, K. Kang, M. Yao, H. Senoh, S.-i. Yamazaki, Z. Siroma, T. Sakai, K. Yasuda, L. Zhao, J. Zhao, Y.-S. Hu, H. Li, Z. Zhou, M. Armand, L. Chen, K. Sakaushi, G. Nickerl, F. M. Wisser, D. Nishio-Hamane, E. Hosono, H. Zhou, S. Kaskel, J. Eckert, S. Wang, L. Wang, Z. Zhu, Z. Hu, Q. Zhao, J. Chen, G. Kresse, J. Furthmüller, P. E. Blöchl, J. P. Perdew, K. Burke, M. Ernzerhof, R. Alcántara, M. Jaraba, P. Lavela, J. L. Tirado, T. R. Jow, L. W. Shacklette, M. Maxfield, D. Vernick, L. Xiao, Y. Cao, J. Xiao, W. Wang, L. Kovarik, Z. Nie, J. Liu, G. J. Martyna, M. L. Klein, M. Tuckerman show all authors
Nature ()
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Organic carbonyl compounds represent a promising class of electrode materials for secondary batteries; however, the storage mechanism still remains unclear. We take Na2C6H2O4 as an example to unravel the mechanism. It consists of alternating Na-O octahedral inorganic layer and π-stacked benzene organic layer in spatial separation, delivering a high reversible capacity and first coulombic efficiency. The experiment and calculation results reveal that the Na-O inorganic layer provides both Na+ ion transport pathway and storage site, whereas the benzene organic layer provides electron transport pathway and redox center. Our contribution provides a brand-new insight in understanding the storage mechanism in inorganic-organic layered host and opens up a new exciting direction for designing new materials for secondary batteries.

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