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Novel Multifunctional Janus-Type Membrane on Al Anode for Corrosion Protection
Advanced Materials Interfaces ( IF 4.3 ) Pub Date : 2021-09-12 , DOI: 10.1002/admi.202100786 Yue‐Feng Wang 1 , Ying Yu 2 , Jia‐Le Wang 1 , Lai‐Hu Peng 1 , Yu‐Xin Zuo 3 , Chun‐Cheng Zuo 2
Advanced Materials Interfaces ( IF 4.3 ) Pub Date : 2021-09-12 , DOI: 10.1002/admi.202100786 Yue‐Feng Wang 1 , Ying Yu 2 , Jia‐Le Wang 1 , Lai‐Hu Peng 1 , Yu‐Xin Zuo 3 , Chun‐Cheng Zuo 2
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Novel multifunctional Janus-type membrane with both hydrophobic and anticorrosion abilities is constructed on the surface of aluminum (Al), using MoS2 as a hydrophobic layer and ZnO as a corrosion-resistant layer. Al anode coated with the Janus-type membrane is used as an example to study the specific property of the as-prepared Janus-type membrane. In the Al–air battery, the self-corrosion of the Al anode is well inhibited since the Janus-type membrane can block the invasion of excess hydroxide ions and water molecules simultaneously. The results show that the inhibition efficiency of the Janus-type membrane is as high as 79.2%. Furthermore, the electrochemical measurements demonstrate that the discharge specific capacity of the Al–air battery with the Janus-type membrane can reach up to 2095 mAh g−1, approximately two times as much as that of traditional batteries. The integrated strategy of combining hydrophobic and anticorrosion membrane is a novel method for corrosion protection of metal electrode. This Janus-type membrane holds a great potential toward corrosion inhibition for the other metal in alkaline environment as well.
中文翻译：
铝阳极上新型多功能Janus型防腐蚀膜
在铝 (Al) 表面构建具有疏水和防腐能力的新型多功能 Janus 型膜，使用 MoS 2作为疏水层，使用 ZnO 作为耐腐蚀层。以涂有 Janus 型膜的 Al 阳极为例，研究了所制备的 Janus 型膜的特性。在铝空气电池中，由于 Janus 型膜可以同时阻止过量氢氧根离子和水分子的侵入，Al 负极的自腐蚀得到了很好的抑制。结果表明，Janus型膜的抑制效率高达79.2%。此外，电化学测量表明，具有 Janus 型膜的铝空气电池的放电比容量可达到 2095 mAh g。-1，约为传统电池的两倍。疏水与防腐膜相结合的综合策略是一种新型的金属电极腐蚀防护方法。这种 Janus 型膜在碱性环境中也具有抑制其他金属腐蚀的巨大潜力。
更新日期：2021-10-08
中文翻译：
铝阳极上新型多功能Janus型防腐蚀膜
在铝 (Al) 表面构建具有疏水和防腐能力的新型多功能 Janus 型膜，使用 MoS 2作为疏水层，使用 ZnO 作为耐腐蚀层。以涂有 Janus 型膜的 Al 阳极为例，研究了所制备的 Janus 型膜的特性。在铝空气电池中，由于 Janus 型膜可以同时阻止过量氢氧根离子和水分子的侵入，Al 负极的自腐蚀得到了很好的抑制。结果表明，Janus型膜的抑制效率高达79.2%。此外，电化学测量表明，具有 Janus 型膜的铝空气电池的放电比容量可达到 2095 mAh g。-1，约为传统电池的两倍。疏水与防腐膜相结合的综合策略是一种新型的金属电极腐蚀防护方法。这种 Janus 型膜在碱性环境中也具有抑制其他金属腐蚀的巨大潜力。
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