Wang Lei, Wang Yueqing, Wu Mingguang, Wei Zengxi, Cui Chunyu, Mao Minglei, Zhang Jintao, Han Xiaopeng, Liu Quanhui, Ma Jianmin
Key Laboratory for Micro-/Nano-Optoelectronic Devices of the Ministry of Education, School of Physics and Electronics, Hunan University, Changsha, 410082, P. R. China.
Key Laboratory for Colloid and Interface Chemistry of State Education Ministry, School of Chemistry and chemical Engineering, Shandong University, Jinan, 250100, P. R. China.
Small. 2018 May;14(20):e1800737. doi: 10.1002/smll.201800737. Epub 2018 Apr 17.
Zinc-air batteries with high-density energy are promising energy storage devices for the next generation of energy storage technologies. However, the battery performance is highly dependent on the efficiency of oxygen electrocatalyst in the air electrode. Herein, the N, F, and B ternary doped carbon fibers (TD-CFs) are prepared and exhibited higher catalytic properties via the efficient 4e transfer mechanism for oxygen reduction in comparison with the single nitrogen doped CFs. More importantly, the primary and rechargeable Zn-air batteries using TD-CFs as air-cathode catalysts are constructed. When compared to batteries with Pt/C + RuO and Vulcan XC-72 carbon black catalysts, the TD-CFs catalyzed batteries exhibit remarkable battery reversibility and stability over long charging/discharging cycles.
具有高密度能量的锌空气电池是下一代储能技术中很有前景的储能装置。然而，电池性能高度依赖于空气电极中氧电催化剂的效率。在此，制备了氮、氟和硼三元掺杂碳纤维（TD-CFs），与单氮掺杂碳纤维相比，通过高效的4e氧还原转移机制表现出更高的催化性能。更重要的是，构建了以TD-CFs作为空气阴极催化剂的一次和可充电锌空气电池。与使用Pt/C + RuO和Vulcan XC-72炭黑催化剂的电池相比，TD-CFs催化的电池在长充/放电循环中表现出显著的电池可逆性和稳定性。
