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首页> 外文期刊>Journal of Materials Engineering and Performance >alpha-Fe2O3 Urchins Synthesized by a Facile Hydrothermal Route as an Anode for an Fe-Air Battery
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alpha-Fe2O3 Urchins Synthesized by a Facile Hydrothermal Route as an Anode for an Fe-Air Battery

机译：Alpha-Fe2O3通过容易水热量合成的URCHINS作为FE-AIR电池的阳极合成

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摘要

High-performance anode materials for Fe-air batteries were synthesized using alpha-Fe2O3 microparticles with a high porosity and a large actual surface area via a hydrothermal method. Fe2O3/AB composite electrodes were fabricated by mixing the synthesized alpha-Fe2O3 microparticles with acetylene black (AB) carbon and subjected to electrochemical measurements. The alpha-Fe2O3/AB electrode cycleability of the synthesized alpha-Fe2O3 microparticles with two structures, namely porous sphere-like (urchin) and porous plate-like, was better than that of commercially available Fe2O3. The morphological characteristics and porosity of Fe2O3 influenced the electrochemical properties of the Fe2O3/AB composite electrodes, viz. the capacity provided by urchin-shaped structures was larger than that given by porous plates. The high porosity of alpha-Fe2O3 particles caused a large internal resistance and resulted in a decreased capacity of electrodes. Thus, urchin-shaped alpha-Fe2O3 microparticles could be used as an active electrode material for Fe-air battery anodes.
机译：使用具有高孔隙率和大实际表面积的α-Fe2O3微粒合成Fe-Air电池的高性能阳极材料，通过水热法。通过将合成的α-Fe2O3微粒与乙炔黑（AB）碳混合并进行电化学测量来制备Fe 2 O 3 / AB复合电极。合成的α-Fe2O3微粒的α-Fe2O3 / AB电极环状性，具有两个结构，即多孔球状（内核）和多孔板状，优于市售的Fe2O3。 Fe2O3的形态学特性和孔隙率影响了Fe2O3 / AB复合电极的电化学性能，ZiZ。由水银形状提供的能力大于多孔板给出的容量。 α-Fe2O3颗粒的高孔隙率导致具有大的内阻，并导致电极的容量降低。因此，核素形α-Fe2O3微粒可以用作Fe-Abile电池阳极的有源电极材料。

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