{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["7(15)"],"submitter":["Zhang L"],"pubmed_abstract":["Development of a low cost, high activity, and stable nonprecious metal bifunctional catalyst for electrocatalytic water cracking is a hot topic and big challenge. In this paper, we prepared a nitrogen-doped carbon nanotube (NCNT)-enhanced three-dimensional self-supported electrocatalyst with CoP and Co<sub>2</sub>P coexistence by a two-step strategy of high-temperature carbonization and low-temperature phosphorylation. Furthermore, the induced three-dimensional carbon network skeleton facilitates rapid charge transfer. In addition, the active sites of the carbon foam (CF) are greatly increased by the construction of hollow structures. As a bifunctional electrocatalyst, CoP/Co<sub>2</sub>P/NCNT@CF exhibited excellent catalytic activity for both hydrogen evolution reaction and oxygen evolution reaction in alkaline media, requiring low overpotentials of 133 and 289 mV to obtain a current density of 10 mA cm<sup>-2</sup>, respectively. Additionally, the synthesized catalysts also exhibit good long-term stability, maintaining high catalytic activity after 20 h of continuous operation. We also confirmed the main driving force to improve the electron transfer between the heterostructures of Co and P by XPS spectra. The excellent electrocatalytic performance can be attributed to the close synergy between the highly active CoP/Co<sub>2</sub>P/NCNT and CF. This study provides a new strategy for the design of highly active bifunctional self-supporting electrocatalysts."],"journal":["ACS omega"],"pagination":["12846-12855"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9026089"],"repository":["biostudies-literature"],"pubmed_title":["Construction of CoP/Co<sub>2</sub>P Coexisting Bifunctional Self-Supporting Electrocatalysts for High-Efficiency Oxygen Evolution and Hydrogen Evolution."],"pmcid":["PMC9026089"],"pubmed_authors":["Tiwari SK","Wang N","Pang B","Li Z","Zhu Y","Ola O","Chen Y","Zhang L","Liu S","Liu G"],"additional_accession":[]},"is_claimable":false,"name":"Construction of CoP/Co<sub>2</sub>P Coexisting Bifunctional Self-Supporting Electrocatalysts for High-Efficiency Oxygen Evolution and Hydrogen Evolution.","description":"Development of a low cost, high activity, and stable nonprecious metal bifunctional catalyst for electrocatalytic water cracking is a hot topic and big challenge. In this paper, we prepared a nitrogen-doped carbon nanotube (NCNT)-enhanced three-dimensional self-supported electrocatalyst with CoP and Co<sub>2</sub>P coexistence by a two-step strategy of high-temperature carbonization and low-temperature phosphorylation. Furthermore, the induced three-dimensional carbon network skeleton facilitates rapid charge transfer. In addition, the active sites of the carbon foam (CF) are greatly increased by the construction of hollow structures. As a bifunctional electrocatalyst, CoP/Co<sub>2</sub>P/NCNT@CF exhibited excellent catalytic activity for both hydrogen evolution reaction and oxygen evolution reaction in alkaline media, requiring low overpotentials of 133 and 289 mV to obtain a current density of 10 mA cm<sup>-2</sup>, respectively. Additionally, the synthesized catalysts also exhibit good long-term stability, maintaining high catalytic activity after 20 h of continuous operation. We also confirmed the main driving force to improve the electron transfer between the heterostructures of Co and P by XPS spectra. The excellent electrocatalytic performance can be attributed to the close synergy between the highly active CoP/Co<sub>2</sub>P/NCNT and CF. This study provides a new strategy for the design of highly active bifunctional self-supporting electrocatalysts.","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Apr","modification":"2025-04-04T19:09:53.175Z","creation":"2025-04-04T19:09:53.175Z"},"accession":"S-EPMC9026089","cross_references":{"pubmed":["35474771"],"doi":["10.1021/acsomega.2c00123"]}}