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Metal–organic framework based bifunctional oxygen electrocatalysts for rechargeable zinc–air batteries: current progress and prospects
Chemical Science ( IF 7.6 ) Pub Date : 2020-10-06 , DOI: 10.1039/d0sc04684a Yanqiang Li 1 , Ming Cui 1 , Zehao Yin 1 , Siru Chen 2 , Tingli Ma 3, 4
Chemical Science ( IF 7.6 ) Pub Date : 2020-10-06 , DOI: 10.1039/d0sc04684a Yanqiang Li 1 , Ming Cui 1 , Zehao Yin 1 , Siru Chen 2 , Tingli Ma 3, 4
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Zinc–air batteries (ZABs) are regarded as ideal candidates for next-generation energy storage equipment due to their high energy density, non-toxicity, high safety, and environmental friendliness. However, the slow oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) kinetics on the air cathode limit their efficiency and the development of highly efficient, low cost and stable bifunctional electrocatalysts is still challenging. Metal–Organic Framework (MOF) based bifunctional oxygen electrocatalysts have been demonstrated as promising alternative catalysts due to the regular structure, tunable chemistry, high specific surface area, and simple and easy preparation of MOFs, and great progress has been made in this area. Herein, we summarize the latest research progress of MOF-based bifunctional oxygen electrocatalysts for ZABs, including pristine MOFs, derivatives of MOFs and MOF composites. The effects of the catalysts' composites, morphologies, specific surface areas and active sites on catalytic performances are specifically addressed to reveal the underlying mechanisms for different catalytic activity of MOF based catalysts. Finally, the main challenges and prospects for developing advanced MOF-based bifunctional electrocatalysts are proposed.
中文翻译：
用于可充电锌空气电池的金属有机骨架双功能氧电催化剂：当前进展和前景
锌空气电池（ZAB）因其高能量密度、无毒、高安全性和环境友好性而被认为是下一代储能设备的理想候选者。然而，空气阴极上缓慢的氧还原反应（ORR）和析氧反应（OER）动力学限制了其效率，开发高效、低成本和稳定的双功能电催化剂仍然具有挑战性。基于金属有机框架（MOF）的双功能氧电催化剂由于其结构规则、化学性质可调、比表面积高以及MOFs的制备简单易行，已被证明是一种有前途的替代催化剂，并且在该领域取得了巨大进展。在此，我们总结了基于MOF的双功能ZAB氧电催化剂的最新研究进展，包括原始MOF、MOF衍生物和MOF复合材料。特别研究了催化剂的复合材料、形貌、比表面积和活性位点对催化性能的影响，以揭示 MOF 基催化剂不同催化活性的潜在机制。最后，提出了开发先进的基于 MOF 的双功能电催化剂的主要挑战和前景。
更新日期：2020-10-15
中文翻译：
用于可充电锌空气电池的金属有机骨架双功能氧电催化剂：当前进展和前景
锌空气电池（ZAB）因其高能量密度、无毒、高安全性和环境友好性而被认为是下一代储能设备的理想候选者。然而，空气阴极上缓慢的氧还原反应（ORR）和析氧反应（OER）动力学限制了其效率，开发高效、低成本和稳定的双功能电催化剂仍然具有挑战性。基于金属有机框架（MOF）的双功能氧电催化剂由于其结构规则、化学性质可调、比表面积高以及MOFs的制备简单易行，已被证明是一种有前途的替代催化剂，并且在该领域取得了巨大进展。在此，我们总结了基于MOF的双功能ZAB氧电催化剂的最新研究进展，包括原始MOF、MOF衍生物和MOF复合材料。特别研究了催化剂的复合材料、形貌、比表面积和活性位点对催化性能的影响，以揭示 MOF 基催化剂不同催化活性的潜在机制。最后，提出了开发先进的基于 MOF 的双功能电催化剂的主要挑战和前景。
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