Hierarchical Ni2P@NiFe LDH Heterostructural Nanosheet Arrays for Highly Efficient Oxygen Evolution Reaction / Jin Xin, Li Tszin, Xu Tingting [et al.]

Уровень набора: European Journal of Inorganic ChemistryАльтернативный автор-лицо: Jin Xin;Li Tszin;Xu Tingting;Cui Yuting;Usoltseva, N. V., Chemical Engineer, Engineer of Tomsk Polytechnic University, 1985-, Natalia Vasilievna;An, V. V., chemist, Researcher of Tomsk Polytechnic University, candidate of technical sciences, 1972-, Vladimir Vilorievich;Zhang Xinglai;Liu BaodanКоллективный автор (вторичный): Национальный исследовательский Томский политехнический университет, Инженерная школа новых производственных технологий, Научно-образовательный центр Н. М. КижнераЯзык: английский.Страна: .Резюме или реферат: Developing efficient and low-cost electrocatalysts toward oxygen evolution reaction (OER) has been one of the key research topics for overall water splitting due to the increasing demand for regenerated and clean energy. Herein, we report Ni2P@NiFe LDH hierarchical heterostructures in-situ grown on nickel foam with good conductivity, strong substrate adhesion, special interface engineering and synergistic effects, which enables superior OER performance with a low overpotential of 204 mV at 10 mA cm-2 and a small Tafel slope of 33 mV dec-1 in 1 M KOH solution. This peculiar hierarchical hybrid electrode also possesses excellent electrochemical stability and long-term durability at the current density of 50 mA cm-2 in an alkaline medium. More importantly, the proposed synthetic strategy of hierarchical heterostructures in this work will provide a general path to the preparation of various metal hydroxide catalysts for highly efficient OER..Примечания о наличии в документе библиографии/указателя: [References: 26 tit.].Тематика: электронный ресурс | труды учёных ТПУ | hierarchical | NiFe LDH | Ni2P | nanosheets | OER | нанолисты Ресурсы он-лайн:Щелкните здесь для доступа в онлайн
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[References: 26 tit.]

Developing efficient and low-cost electrocatalysts toward oxygen evolution reaction (OER) has been one of the key research topics for overall water splitting due to the increasing demand for regenerated and clean energy. Herein, we report Ni2P@NiFe LDH hierarchical heterostructures in-situ grown on nickel foam with good conductivity, strong substrate adhesion, special interface engineering and synergistic effects, which enables superior OER performance with a low overpotential of 204 mV at 10 mA cm-2 and a small Tafel slope of 33 mV dec-1 in 1 M KOH solution. This peculiar hierarchical hybrid electrode also possesses excellent electrochemical stability and long-term durability at the current density of 50 mA cm-2 in an alkaline medium. More importantly, the proposed synthetic strategy of hierarchical heterostructures in this work will provide a general path to the preparation of various metal hydroxide catalysts for highly efficient OER.

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