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Lithium iron phosphate battery: the green “heart” in the field of automotive and marine power

2025-04-07
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As the core power unit in the field of automotive and marine power, lithium iron phosphate battery, with its high safety, long life and environmental protection characteristics, is becoming the key technical support for the transformation of green transportation. Combined with industry dynamics and technical parameters, the core advantages and application scenarios of Frey lithium iron phosphate battery are as follows:

Core Performance Advantages
High Safety and Stability
Lithium iron phosphate battery adopts olivine structure, the thermal runaway temperature reaches 350℃-500℃, far exceeding the 200℃ threshold of ternary materials, and it is not easy to ignite and explode under extreme conditions. Its solid solution characteristics maintain structural stability during overcharging/discharging, and it has passed safety tests such as pinprick and extrusion.
Ultra-long cycle life
The number of complete charge/discharge cycles is over 2000 times (remaining capacity ≥80%), with a life span of 7-8 years, which is more than 4 times as long as that of lead-acid batteries (300-500 times). The annual self-discharge rate is <3%, and the capacity retention rate is over 90% after long-term storage.
Wide Temperature Range Adaptability
Operating temperature spans -20°C to 60°C, suitable for cold waters or high-temperature cabin environments.
High rate charging and discharging capability
Supports 1C continuous charging and discharging (100A current), and instantaneous discharging rate up to 3C (300A/60 seconds) to meet the high power demand of ship starting and stopping, and vehicle hill climbing.

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Vehicle and ship power application scenarios
Ship field: the preferred energy source for electrification
Green shipping transformation: lithium iron phosphate battery has become the mainstream power for electric ships, with a domestic market size of 5.63 billion yuan in 2016, and is expected to exceed 9.6 billion yuan in 2024.
Suitable for ships: widely used in small and medium-sized ships (such as yachts, fishing boats, ferries), the world's more than 300 electric ships into operation, replacing the traditional diesel engine to reduce sulfur emissions.
System integration program: with supercapacitor or fuel cells to form a hybrid power system, to solve the anxiety of pure electric ship range.
Vehicle field: High-efficiency power source for commercial vehicles
Commercial cleaning equipment: Provide 6-8 hours of range for floor scrubbers, cover thousands of square meters of work area with a single charge, IP67 protection to adapt to humid environments.
Parking air conditioner for freight vehicles: supports 10-12 hours of continuous cooling, solves the pain point of long-distance transportation with stalled cooling, and realizes zero noise and zero emission.
New energy passenger cars: adapted to micro electric vehicles (such as Kerry Dolphin EV), taking into account the fast charging ability and high temperature stability.

Customized Technical Highlights
Flexible Voltage Configuration: 8V system (standard single 3.2V) is realized by series connection of monomers to meet the voltage requirement of specific equipment.
Intelligent management system (BMS): supports cell phone APP remote monitoring of power, temperature and fault warning to extend battery pack life.
Lightweight design: 100Ah grade battery cell with energy density of 165Wh/kg and weight of about 1.95kg, optimizing the load distribution of the whole vehicle/boat.

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