Abstract
Flexible lithium ion batteries (FLIBs) are considered as potential application in the next 20 years for wearable devices and internet of things. However, it is a rough road to commercial preparation of flexible electrodes due to the complicated experimental process and expensive cost. Herein, a- facile fabricated strategy, filtration, is applied to disperse active materials LiFePO4 in conductive flexible network (LFP/CNTs/cotton) as a free-standing cathode for FLIBs. The fabricated free-standing LFP/CNTs/cotton electrode holds promising electrochemical stability, which still has a high capacity of 120 mAh/g at a current density of 2000 mA/g for 900 cycles. In addition, this method can be easily replicated for the flexibility of other powder active materials. This study is of great significance for the industrialization of the flexible electrode and exhibiting great potential in high-performance flexibility energy-related systems.
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