General Airbrush‐Spraying/Electrospinning Strategy for Ultrahigh Areal‐Capacity LiFePO4‐Based Cathodes,ChemElectroChem

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General Airbrush‐Spraying/Electrospinning Strategy for Ultrahigh Areal‐Capacity LiFePO4‐Based Cathodes
ChemElectroChem ( IF 3.5 ) Pub Date : 2018-06-20 , DOI: 10.1002/celc.201800512
Hui Huang ₁ , Xiaokang Ju ₁ , Pan Deng ₁ , Shengyang Li ₁ , Baihua Qu ₁ , Taihong Wang ₁

Affiliation

A versatile electrode fabrication strategy based on electrospinning combined with airbrush–spraying (ECAS) is developed for the preparation of composite paper electrodes. The LiFePO₄ paper electrodes (ca. 13 mg cm⁻²) display good cycling stability with a capacity decay of only 15 % over 300 cycles at 1 C for lithium‐ion batteries. It is also demonstrated that the ECAS technique can obtain ultrahigh areal capacities of 12.3 mAh cm⁻² using electrodes with an extra‐high areal loading of LiFePO₄ paper (>75 mg cm⁻²). A full cell is constructed with ECAS LiFePO₄ paper as the cathode and ECAS Li₄Ti₅O₁₂ paper as the anode.

中文翻译：

基于超高容量锂离子磷酸铁锂的一般喷枪喷涂/静电纺丝策略

为制备复合纸电极，开发了一种基于静电纺丝结合喷枪喷涂（ECAS）的通用电极制造策略。LiFePO ₄纸电极（约13 mg cm ^-2）显示出良好的循环稳定性，锂离子电池在1 C下300次循环中容量衰减仅为15％。还证明了，使用具有极高的LiFePO ₄纸面负荷（> 75 mg cm ^-2）的电极，ECAS技术可以获得12.3 mAh cm ^-2的超高面容量。使用ECAS LiFePO ₄纸作为阴极和ECAS Li ₄ Ti ₅ O ₁₂构成一个完整的电池以纸为阳极。

更新日期：2018-06-20

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