Iron, Cobalt, and Nickel Phthalocyanine Tri-Doped Electrospun Carbon Nanofibre-Based Catalyst for Rechargeable Zinc-Air Battery Air Electrode.
Iron, Cobalt, and Nickel Phthalocyanine Tri-Doped Electrospun Carbon Nanofibre-Based Catalyst for Rechargeable Zinc-Air Battery Air Electrode.
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DOI：
10.3390/ma16134626
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发表时间：
2023-06-27
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到2035年实现零排放汽车大规模生产的目标将对电动汽车（EV）的开发和可用性产生很高的期望。目前，一个主要的问题是大量缺乏合适的电池和电池材料。可充电锌空气电池（RZAB）具有环境友好、生产成本低等优点，是一种很有前途的电动汽车储能技术。在本文中，铁、钴和镍酞菁三掺杂的电纺碳纳米纤维基（FeCoNi-CNF）催化剂材料被呈现为铂族金属（PGM）基催化剂的负担得起且有前途的替代物。FeCoNi-CNF涂层的玻碳电极在0.1 M KOH溶液中显示出0.89 V的氧还原反应/析氧反应可逆性。在RZAB中，使用FeCoNi-CNF获得了120 mW cm-2的最大放电功率密度（Pmax），这是使用PGM基催化剂测量的Pmax的86%。此外，在RZAB充电-放电循环期间，发现FeCoNi-CNF空气电极在操作耐久性和至少两倍高的总寿命方面上级商业PGM电催化剂。
The goal of achieving the large-scale production of zero-emission vehicles by 2035 will create high expectations for electric vehicle (EV) development and availability. Currently, a major problem is the lack of suitable batteries and battery materials in large quantities. The rechargeable zinc–air battery (RZAB) is a promising energy-storage technology for EVs due to the environmental friendliness and low production cost. Herein, iron, cobalt, and nickel phthalocyanine tri-doped electrospun carbon nanofibre-based (FeCoNi-CNF) catalyst material is presented as an affordable and promising alternative to Pt-group metal (PGM)-based catalyst. The FeCoNi-CNF-coated glassy carbon electrode showed an oxygen reduction reaction/oxygen evolution reaction reversibility of 0.89 V in 0.1 M KOH solution. In RZAB, the maximum discharge power density (Pmax) of 120 mW cm−2 was obtained with FeCoNi-CNF, which is 86% of the Pmax measured with the PGM-based catalyst. Furthermore, during the RZAB charge–discharge cycling, the FeCoNi-CNF air electrode was found to be superior to the commercial PGM electrocatalyst in terms of operational durability and at least two times higher total life-time.
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