Correction to: NPG Asia Materials advance online publication, 22 April 2016, doi: 10.1038/am.2016.53

After online publication of this article, the authors noticed an error in the supplementary information section.

The correct title, authors and affiliations in the supplementary information of this article should have read as below.

Understanding sodium-ion diffusion in layered P2 and P3 oxides via experiments and first-principles calculations: a bridge between crystal structure and electrochemical performance

Shaohua Guo1,2,7, Yang Sun1,7, Jin Yi1, Kai Zhu1, Pan Liu3, Yanbei Zhu4, Guo-zhen Zhu5, Mingwei Chen3, Masayoshi Ishida2 and Haoshen Zhou1,2,6

6Center of Energy Storage Materials & Technology, College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, People’s Republic of China

The authors apologize for any inconvenience caused.