Lithium iron phosphate secondary utilization energy storage equipment

Are retired lithium-ion iron phosphate batteries suitable for Echelon utilization?

Due to the long service life of lithium-ion iron phosphate (LFP) batteries, retired LFP batteries from electric vehicles are suitable for echelon utilization. Sorting and regrouping should be carried out in advance to ensure the performance of retired LFP batteries. Effective methods are often time consuming and expensive.

Are lithium iron phosphate batteries harmful to the environment?

Lithium iron phosphate (LFP) batteries are widely used due to their affordability, minimal environmental impact, structural stability, and exceptional safety features. However, as these batteries reach the end of their lifespan, the accumulation of waste LFP batteries poses environmental hazards.

What is a retired lithium phosphate battery?

Lithium‑iron phosphate (LFP) batteries have a lower cost and a longer life than ternary lithium-ion batteries and are widely used in EVs. Because the retirement standard is that the capacity decreases to 80 % of the initial value, retired LFP batteries can still be incorporated into echelon utilization .

What is IC curve used for Echelon utilization of retired lithium-ion iron phosphate (LFP) batteries?

Incremental Capacity (IC) curve is directly used for regrouping of retired batteries. The combination of K-means algorithm and t -test provides an excellent regrouping effect. Due to the long service life of lithium-ion iron phosphate (LFP) batteries, retired LFP batteries from electric vehicles are suitable for echelon utilization.

What is lithium iron phosphate (LFP) battery?

Since its discovery by Padhi et al. in 1997 (Padhi et al., 1997), lithium iron phosphate (LFP) batteries, a type of LIB, have garnered significant attention and wide application due to several advantages.

What is the discharge capacity of lithium acetate (LFP)?

Lithium acetate, L-Serine. At 1C, the discharge capacity is 147.9 mAh/g, and after 500 cycles at 5C, the capacity retention rate is 86 %. Lithium sulphate, sodium sulfite. Regenerated LFP exhibits specific capacities of 145.1, 142.7, 139.9, 135.9, 129.3, and 115.0 mAh/g at 0.1, 0.2, 0.5, 1, 2, and 5C, respectively.