What is EVE MB31 314Ah 3.2V LiFePO4 Battery ?
The EVE MB31 314Ah 3.2V LiFePO4 Battery is a high-performance Lithium Iron Phosphate (LiFePO4) battery cell known for its safety, long lifespan, and impressive capacity.
Delving into the realm of high-performance batteries, the EVE MB31 314Ah 3.2V LiFePO4 Battery emerges as a frontrunner, captivating users with its exceptional safety, remarkable longevity, and impressive capacity. This powerhouse cell, boasting a nominal voltage of 3.2V and a staggering capacity of 314Ah, seamlessly integrates into a diverse range of applications, including solar energy storage, electric vehicles (EVs), backup power systems, and industrial applications.
Based on general lithium battery production processes, here’s a possible outline of how EVE MB31 LiFePO4 batteries are made:
- Electrode Preparation:
- Anode:Lithium iron phosphate (LiFePO4) powder is mixed with a conductive material (like carbon black) and a binder to form a slurry. This slurry is then coated onto a current collector foil (usually copper or aluminum). The coated foil is dried and calendered (pressed) to create a thin, even anode electrode.
- Cathode:A separate slurry is prepared using a cathode material (possibly aluminum foil acting as a current collector), a conductive additive, and a binder. The exact cathode material might be proprietary information. This cathode slurry is also coated onto a separate current collector foil and processed similarly to the anode.
- Cell Assembly:
- The anode and cathode electrodes are separated by a microporous polymer separator membrane that allows lithium ions to flow between them but prevents electrical contact.
- The electrodes and separator are typically wound together into a jelly-roll configuration.
- The entire assembly is placed inside a metal can (aluminum or steel).
- Electrolyte Filling and Sealing:
- An organic solvent-based electrolyte solution containing lithium ions is injected into the cell. The exact electrolyte composition is likely a trade secret.
- The cell can is then sealed by crimping or welding to ensure a leak-proof enclosure.
- Formation Process:
The newly assembled cell undergoes an initial charging and discharging cycle (formation) to activate the electrodes and optimize performance.
- Quality Control and Testing:
Each cell is rigorously tested for capacity, voltage, internal resistance, and safety parameters to ensure it meets EVE’s quality standards.
Additional Considerations:
- The specific details of the manufacturing process, such as the type of separator membrane, electrolyte composition, and formation process, might be proprietary information not publicly available.
- Environmental regulations and safety protocols play a crucial role throughout the manufacturing process.
Remember, this is a general outline, and the specific processes used by EVE might differ.
How Are EVE MB31 314Ah 3.2V LiFePO4 Batteries Manufactured?
Based on general lithium battery production processes, here’s a possible outline of how EVE MB31 LiFePO4 batteries are made:
- Electrode Preparation:
- Anode:Lithium iron phosphate (LiFePO4) powder is mixed with a conductive material (like carbon black) and a binder to form a slurry. This slurry is then coated onto a current collector foil (usually copper or aluminum). The coated foil is dried and calendered (pressed) to create a thin, even anode electrode.
- Cathode:A separate slurry is prepared using a cathode material (possibly aluminum foil acting as a current collector), a conductive additive, and a binder. The exact cathode material might be proprietary information. This cathode slurry is also coated onto a separate current collector foil and processed similarly to the anode.
- Cell Assembly:
- The anode and cathode electrodes are separated by a microporous polymer separator membrane that allows lithium ions to flow between them but prevents electrical contact.
- The electrodes and separator are typically wound together into a jelly-roll configuration.
- The entire assembly is placed inside a metal can (aluminum or steel).
- Electrolyte Filling and Sealing:
- An organic solvent-based electrolyte solution containing lithium ions is injected into the cell. The exact electrolyte composition is likely a trade secret.
- The cell can is then sealed by crimping or welding to ensure a leak-proof enclosure.
- Formation Process:
The newly assembled cell undergoes an initial charging and discharging cycle (formation) to activate the electrodes and optimize performance.
- Quality Control and Testing:
Each cell is rigorously tested for capacity, voltage, internal resistance, and safety parameters to ensure it meets EVE’s quality standards.
Additional Considerations:
- The specific details of the manufacturing process, such as the type of separator membrane, electrolyte composition, and formation process, might be proprietary information not publicly available.
- Environmental regulations and safety protocols play a crucial role throughout the manufacturing process.
Where can the EVE MB31 314Ah 3.2V LiFePO4 Battery be used?
- Solar Energy Storage: The MB31 is an excellent choice for storing solar energy, providing a dependable and sustainable backup power source, enabling homeowners and businesses to harness the power of the sun efficiently.
- Electric Vehicles (EVs): The MB31’s high capacity and extended cycle life make it well-suited for powering EVs, contributing to longer driving ranges, reduced battery degradation, and a more sustainable transportation experience.
- Backup Power Systems: The MB31 serves as a reliable backup power solution, providing emergency power during grid outages or other power disruptions, ensuring critical systems remain operational.
- Industrial Applications: The MB31’s robust design, safety features, and wide operating temperature range make it a suitable choice for various industrial applications, including forklifts, uninterruptible power supplies (UPS), and energy storage systems for telecom towers.
Why Choose XINTechPro’s EVE MB31 314Ah 3.2V LiFePO4 Battery?
- High Capacity: The MB31 boasts a remarkable capacity of 314Ah, enabling it to store substantial amounts of energy, making it ideal for applications with high power demands.
- Extended Cycle Life: The MB31 exhibits an exceptional cycle life, capable of enduring over 8000 charge and discharge cycles while retaining at least 80% of its original capacity. This translates to a long battery lifespan, ensuring years of reliable operation.
- Enhanced Safety: Inherent to its LiFePO4 chemistry, the MB31 offers superior safety compared to other battery chemistries like lead-acid or lithium-ion. It has undergone rigorous safety testing and incorporates features that minimize the risk of fire or explosion, making it a safe and reliable choice.
- Wide Operating Temperature Range: The MB31 can operate effectively within a broad temperature range of -30°C to 60°C, demonstrating its versatility and adaptability to various environmental conditions.
- Fast Charging Capability: The MB31 supports rapid charging, reducing downtime and enhancing its practicality for applications that demand quick charging cycles.
PDF Download
→EVE MB31 A Class 10000 Cycles 3.2V Brand New 314Ah Battery Specification
314Ah A+ Grade Brand New 3.2V EVE LiFePO4 battery offers enhanced safety, long cycle life, high energy density, fast charging, wide temperature range tolerance, environmental friendliness, high power output, and maintenance-free operation. These advantages make it a reliable and sustainable choice for a wide range of applications, from electric vehicles and energy storage systems to portable electronics and backup power solutions.
Packing & Shipping
①Use high hardness custom sponge to protect the battery
②5 layers of dangerous goods export corrugated carton
③Positive and negative paste insulation tape
④Test data on each cell before delivery
⑤If customer have requirement, we can provide Wooden Packing for shipping.
Battery Certifications：
XINTechPro Factory are exported to major trade distribution centers and major countries and regions in the world. Reliable battery cells is a must for a start of ESS home solar system.
Basic Parameters
| Items | Specifications | Remark |
| Manufacturer | EVE Energy | |
| Model | MB31 | |
| Form | Prismatic | |
| Nominal Capacity | 314Ah | |
| Continuous Charge/Discharge Rating | 0.5C (157A) | |
| Maximum Charge/Discharge Rating (30 Seconds) | 1C (314A) | |
| Cycle Life | 8,000 cycles | |
| Nominal Voltage | 3.2V | |
| AC Impedance Resistance (1KHz) | ≤0.18mΩ | |
| Protected | No | |
| Rechargeable | Yes | |
| Approx. Dimensions (LxWxH) | 173.7mm x 71.7mm x 204.6mm | |
| Approx. Weight | 5,600g | |
| Country of Origin | China | |
| End-of-discharge Voltage (Umin) | 2.5V(T>0℃) | / |
| 2.0V(T≤0℃) | / | |
| Standard Charging Power | 0.5P | 25℃±2℃ |
| Max.Continuous Charging Power | 0.5P | 25℃±2℃ |
| Standard Discharging Power | 0.5P | 25℃±2℃ |
| Max.Continuous Discharging Power | 0.5P | 25°℃±2℃ |
| Initial Internal Resistance | 0.18mΩ±0.05mΩ | AC,1 kHz,Delivery SOC,Fresh cell |
| Weight (g) | 5600g±300 g | / |
| Dimensions（H*L*T） | 207.2* 173.7 * 71.7 mm | With Terminal |
| Charging Temperature | 0℃-60℃ | / |
| Discharging Temperature | -30℃-60℃ | / |
| Storage Temperature (1 Year) | 0℃-35℃ | Delivery SOC status |
| Storage Temperature (1 month) | -20℃-45℃ | |
| Self-discharge（First Month） | ≤3.5%/M | Delivery SOC status,25°C±2℃ storage |
| Self-discharge（After First Month） | ≤3.5%/M |
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