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Electrospun Carbon Nanofibers Encapsulated with NiCoP: A Multifunctional Electrode for Supercapattery and Oxygen Reduction, Oxygen Evolution, and Hydrogen Evolution Reactions
Advanced Energy Materials ( IF 24.4 ) Pub Date : 2018-04-18 , DOI: 10.1002/aenm.201800555 Subramani Surendran 1 , Sathyanarayanan Shanmugapriya 1 , Arumugam Sivanantham 2 , Sangaraju Shanmugam 2 , Ramakrishnan Kalai Selvan 1
Advanced Energy Materials ( IF 24.4 ) Pub Date : 2018-04-18 , DOI: 10.1002/aenm.201800555 Subramani Surendran 1 , Sathyanarayanan Shanmugapriya 1 , Arumugam Sivanantham 2 , Sangaraju Shanmugam 2 , Ramakrishnan Kalai Selvan 1
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Functionalizing nanostructured carbon nanofibers (CNFs) with bimetallic phosphides enables the material to become an active electrode for multifunctional applications. A facile electrospinning technique is utilized for the first time to develop NiCoP nanoparticles encapsulated CNFs that are used as an energy storage system of supercapattery, and as an electrocatalyst for oxygen reduction, oxygen evolution, and hydrogen evolution reaction in KOH electrolyte. Evolving from the inclusion of bimetallic phosphide nanoparticles, the NiCoP/CNF electrode unveils superior‐specific capacitance (333 Fg−1 at 2 Ag−1) and rate capability (87%). The fabricated supercapattery device offers a voltage of 1.6 V that supplies a remarkable energy density (36 Wh kg−1) along with an improved power density (4000 W kg−1) and unwavering cyclic stability (25 000 cycles). Meanwhile, the NiCoP/CNF electrode has simultaneously performed well as a multifunctional electrocatalyst for oxygen reduction reaction at a half‐wave potential of 0.82 V versus reversible hydrogen electrode and can attain a current density of 10 mA cm−2 at a very low overpotential of 268 and 130 mV for the oxygen evolution reaction and hydrogen evolution reaction, respectively. Thus, the NiCoP/CNF with all its inimitable electrode properties has profoundly proved its proficiency at handling multifunctional challenges in terms of both storage and conversion.
中文翻译：
NiCoP封装的静电纺丝碳纳米纤维：一种用于超级电池和氧还原，析氧和析氢反应的多功能电极
用双金属磷化物对纳米结构的碳纳米纤维（CNF）进行功能化使该材料成为多功能应用的活性电极。首次使用一种简便的静电纺丝技术来开发NiCoP纳米颗粒封装的CNF，该CNF用作超级电池的能量存储系统，并用作KOH电解质中氧还原，氧释放和氢释放反应的电催化剂。由包含双金属磷化物纳米颗粒的不断发展中，NiCoP / CNF电极推出特定优越-电容（333蛋白原-1在2的Ag -1）和倍率性能（87％）。所制造的超级电池装置可提供1.6 V的电压，可提供出色的能量密度（36 Wh kg -1），以及更高的功率密度（4000 W kg -1）和不变的循环稳定性（25 000次循环）。同时，与可逆氢电极相比，NiCoP / CNF电极作为多功能氧还原反应的电催化剂在半波电势为0.82 V的同时可逆氢电极的性能很好，并且在非常低的过电势下可达到10 mA cm -2的电流密度。氧气释放反应和氢气释放反应分别为268和130 mV。因此，NiCoP / CNF具有其无与伦比的电极性能，深刻证明了其在存储和转换方面应对多功能挑战的能力。
更新日期：2018-04-18
中文翻译：
NiCoP封装的静电纺丝碳纳米纤维：一种用于超级电池和氧还原，析氧和析氢反应的多功能电极
用双金属磷化物对纳米结构的碳纳米纤维（CNF）进行功能化使该材料成为多功能应用的活性电极。首次使用一种简便的静电纺丝技术来开发NiCoP纳米颗粒封装的CNF，该CNF用作超级电池的能量存储系统，并用作KOH电解质中氧还原，氧释放和氢释放反应的电催化剂。由包含双金属磷化物纳米颗粒的不断发展中，NiCoP / CNF电极推出特定优越-电容（333蛋白原-1在2的Ag -1）和倍率性能（87％）。所制造的超级电池装置可提供1.6 V的电压，可提供出色的能量密度（36 Wh kg -1），以及更高的功率密度（4000 W kg -1）和不变的循环稳定性（25 000次循环）。同时，与可逆氢电极相比，NiCoP / CNF电极作为多功能氧还原反应的电催化剂在半波电势为0.82 V的同时可逆氢电极的性能很好，并且在非常低的过电势下可达到10 mA cm -2的电流密度。氧气释放反应和氢气释放反应分别为268和130 mV。因此，NiCoP / CNF具有其无与伦比的电极性能，深刻证明了其在存储和转换方面应对多功能挑战的能力。
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