Lithium Iron Phosphate Battery (LFP)
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LiFePO4 ⇌ FePO4 + Li+ + e−
ภาพรวม
LFP batteries use lithium iron phosphate cathode and graphite anode with a cell voltage of 3.2–3.3 V and energy density of 90–160 Wh/kg. The olivine crystal structure of LiFePO₄ provides exceptional thermal stability and safety — the Fe–O bond is much stronger than the Co–O bond in NMC/NCA, preventing oxygen release during thermal runaway.
ผู้เข้าร่วม
ตัวอย่างในชีวิตประจำวัน
Tesla's Standard Range vehicles and many Chinese EVs use LFP batteries for their superior safety and longer cycle life (3,000+ cycles).
ความสำคัญทางอุตสาหกรรม
LFP batteries are dominant in Chinese EVs and growing globally. BYD's Blade Battery and CATL's CELL-to-PACK technology use LFP.
คุณสมบัติ
- ประเภท
- Electrochemical
- ย้อนกลับได้
- ใช่
- พลังงาน
- คายความร้อน
- ΔH
- -180.0 kJ/mol