Achieving stable and efficient water oxidation by incorporating NiFe layered double hydroxide nanoparticles into aligned carbon nanotubes

Rong Chen; Gengzhi Sun; Cangjie Yang; Liping Zhang; Jianwei Miao; Huabing Tao; Hongbin Yang; Jiazang Chen; Peng Chen; Bin Liu

doi:10.1039/C5NH00082C

Achieving stable and efficient water oxidation by incorporating NiFe layered double hydroxide nanoparticles into aligned carbon nanotubes†

Rong Chen,‡^a Gengzhi Sun,‡^ab Cangjie Yang,^a Liping Zhang,^a Jianwei Miao,^a Huabing Tao,^a Hongbin Yang,^a Jiazang Chen,^a Peng Chen*^a and Bin Liu*^a

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* Corresponding authors

^a School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore
E-mail: chenpeng@ntu.edu.sg, liubin@ntu.edu.sg

^b Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (Nanjing Tech), 30 South Puzhu Road, Nanjing 211816, China

Abstract

A facile and scalable co-precipitation method is developed to prepare stable colloidal NiFe-LDH nanoparticles at room temperature. We further scrolled NiFe-LDH nanoparticles into well-aligned multi-walled carbon nanotube (MWCNT) sheets to form binder-free hybrid microfiber electrodes, which showed excellent OER activity, reaching 180 mA cm⁻² at a small overpotential of 255 mV with outstanding durability.

Nanoscale Horizons

Achieving stable and efficient water oxidation by incorporating NiFe layered double hydroxide nanoparticles into aligned carbon nanotubes†

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Achieving stable and efficient water oxidation by incorporating NiFe layered double hydroxide nanoparticles into aligned carbon nanotubes

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