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Why LiFePO4 Lithium Iron Phosphate Battery Packs

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Why LiFePO4 Lithium Iron Phosphate Battery Packs2017-08-16T08:39:15+00:00

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Why LiFePO4 Lithium Iron Phosphate Battery Packs

 

LiFePO4 Lithium Iron Phosphate batteries provide users with a safe, powerful, long lasting power solution. The LiFePO4 cell has become one of the primary cell choices for top manufacturers of demanding equipment in today’s portable product marketplace.
Many applications using sealed lead acid (SLA) are upgrading their battery power with a drop in replacement” LiFePO4 battery.

LiFePO4 Lithium Iron Phosphate battery packs are extremely powerful, capable of providing high discharge rates even at elevated temperatures. Safety is improved over other lithium ion chemistries due to its thermal and chemical stability.

LiFePO4 cells are long lasting and boast a 3+ year shelf life due to its slower decline of energy density. Battery packs are capable of providing 2000+ cycles, which could outlast the product it is powering!

In addition to numerous features Li-Iron Phosphate battery packs provide, the chemistry is also very ‘green’. Lifepo4 battery Cells utilize no harmful heavy metals and can be recycled. The high cycle count promotes longer usage in devices, as opposed to cells made from other chemistries that cease functioning at a much lower count.[/vc_column_text][/vc_column][/vc_row][vc_row][vc_column][vc_column_text]

Lifepo4 lithium iron phosphate cells characteristic:

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Safety of LiFePO4 Battery

LiFePO4 Battery has much better performance on safety than other lithium iron battery.
One important advantage over other lithium-ion chemistries is thermal and chemical stability, which improves battery safety. LiFePO4 is an intrinsically safer cathode material than LiCoO2 and manganese spinel. The Fe–P–O bond is stronger than the Co–O bond, so that when abused, (short-circuited, overheated, etc.) the oxygen atoms are much harder to remove. This stabilization of the redox energies also helps fast ion migration.
As lithium migrates out of the cathode in a LiCoO2 cell, the CoO2 undergoes non-linear expansion that affects the structural integrity of the cell. The fully lithiated and unlithiated states of LiFePO4 are structurally similar which means that LiFePO4 cells are more structurally stable than LiCoO2 cells.
No lithium remains in the cathode of a fully charged LiFePO4 cell—in a LiCoO2 cell, approximately 50% remains in the cathode. LiFePO4 is highly resilient during oxygen loss, which typically results in an exothermic reaction in other lithium cells.
As a result, lithium iron phosphate cells are much harder to ignite in the event of mishandling (especially during charge) although any fully charged battery can only dissipate overcharge energy as heat. Therefore, failure of the battery through misuse is still possible. It is commonly accepted that LiFePO4 battery does not decompose at high temperatures. The difference between LFP and the LiPo battery cells commonly used in the aeromodelling hobby is particularly notable.

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