One-pot synthesis of mesoporous palladium/C nanodendrites as high-performance oxygen reduction eletrocatalysts through a facile dual surface protecting agent-assisted strategy

Liu Qiuyue; Kang Qiaoling; Wang Zhenhua; Lu Qingyi; Gao Feng

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One-pot synthesis of mesoporous palladium/C nanodendrites as high-performance oxygen reduction eletrocatalysts through a facile dual surface protecting agent-assisted strategy

机译：介孔钯/ C纳秒的单罐合成作为高性能氧还原Eletrocatalys，穿过容易双表面保护剂辅助策略

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Palladium (Pd) is regarded as a potential non-platinum electrocatalyst to drive oxygen reduction in fuel cells. The development of Pd-based electrocatalysts with high performances through structural engineering is still highly desirable. Herein, a facile one-pot synthesis strategy with the assistance of dual surface protecting agents was developed to fabricate carbon-supported Pd (Pd/C) nanodendrites with high mesoporosity. The mesoporous spherical Pd/C nanodendrites are built with connected nanoparticles with a small size of several nanometers and coated by simultaneously formed carbon layers. The used dual protecting agents, glycine and oleylamine, exhibit synergistic effects to engineer Pd growth to form the unique mesoporous dendritic structure. Benefiting from the mesoporous feature, small size, defect-rich surface and carbon coating, the obtained mesoporous Pd/C nanodendrites exhibit great electrocatalytic performance toward the oxygen reduction reaction (ORR).

机译：钯（Pd）被认为是一种潜在的非铂电催化剂，用于驱动燃料电池中的氧还原。通过结构工程来开发高性能的钯基电催化剂仍然是非常理想的。本文提出了一种在双表面保护剂辅助下的一锅法合成高介孔率碳负载钯（Pd/C）纳米树枝晶的方法。介孔球形Pd/C纳米树枝晶是由尺寸为几纳米的纳米颗粒连接而成，并由同时形成的碳层包裹。所使用的双重保护剂甘氨酸和油胺具有协同效应，可促进钯的生长，形成独特的介孔树枝状结构。由于介孔结构、小尺寸、富缺陷表面和碳涂层的优点，所制备的介孔Pd/C纳米树枝晶对氧还原反应（ORR）表现出良好的电催化性能。

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来源
《Dalton transactions: An international journal of inorganic chemistry》 |2021年第18期|共9页
作者
Liu Qiuyue; Kang Qiaoling; Wang Zhenhua; Lu Qingyi; Gao Feng;
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作者单位

Nanjing Univ Sch Chem &

Chem Engn Collaborat Innovat Ctr Adv Microstruct State Key Lab Coordinat Chem Coordinat Chem Inst Nanjing 210023 Peoples R China;

Nanjing Univ Sch Chem &

Chem Engn Collaborat Innovat Ctr Adv Microstruct State Key Lab Coordinat Chem Coordinat Chem Inst Nanjing 210023 Peoples R China;

Nanjing Univ Sch Chem &

Chem Engn Collaborat Innovat Ctr Adv Microstruct State Key Lab Coordinat Chem Coordinat Chem Inst Nanjing 210023 Peoples R China;

Nanjing Univ Sch Chem &

Chem Engn Collaborat Innovat Ctr Adv Microstruct State Key Lab Coordinat Chem Coordinat Chem Inst Nanjing 210023 Peoples R China;

Nanjing Univ Coll Engn &

Appl Sci Collaborat Innovat Ctr Adv Microstruct Dept Mat Sci &

Engn Jiangsu Key Lab Artificial Fu Nanjing 210023 Peoples R China;

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正文语种 eng
中图分类化学;无机化学;
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6. Facile, scalable synthesis of edge-halogenated graphene nanoplatelets as efficient metal-free eletrocatalysts for oxygen reduction reaction [J] . In-Yup Jeon, Hyun-Jung Choi, Min Choi, Scientific reports. . 2013,第期

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8. One-pot synthesis of Ir@Pt nanodendrites as highly active bifunctional electrocatalysts for oxygen reduction and oxygen evolution in acidic medium [J] . Zhang G., Shao Z.-G., Lu W., Electrochemistry communications . 2012,第Null期

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12. Facile, scalable synthesis of edge-halogenated graphene nanoplatelets as efficient metal-free eletrocatalysts for oxygen reduction reaction [O] . Jeon In-Yup, Choi Hyun-Jung, Choi Min, 2014

机译：简便，可扩展地合成边缘卤代石墨烯纳米片，作为用于氧还原反应的高效无金属电催化剂

One-pot synthesis of mesoporous palladium/C nanodendrites as high-performance oxygen reduction eletrocatalysts through a facile dual surface protecting agent-assisted strategy

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