Media type: E-Article Title: Sea urchin-like Ni–Co sulfides with different Ni to Co ratios for superior electrochemical performance Contributor: Chen, Si; Chen, Haichao; Fan, Meiqiang; Li, Chao; Shu, Kangying Published: Springer Science and Business Media LLC, 2016 Published in: Journal of Sol-Gel Science and Technology, 80 (2016) 1, Seite 119-125 Language: English DOI: 10.1007/s10971-016-4082-4 ISSN: 1573-4846; 0928-0707 Origination: Footnote: