High Temperature Lipo Battery Production
High-temperature operation is a critical issue for the lipo batteries, which can pose dangers of fire and explosion. During our normal manufacturing process, the high temperature lipo batteries will conduct a strict temperature cycling test and be stored in 45°C for 5 days of high-temperature aging, which ensures ultimate safety and reliability, but also deeply explores the high-temperature safety limits.
Custom High Temperature Battery Manufacturers in China
To solve the high-temperature operation issue, VTCBATT devoted great efforts to the high temperature lipo battery research with custom features of 0℃ to 60℃ charge temperature range and -20℃～85℃ discharge temperature range. Our patented composition of special high-temperature electrolyte and ceramic-coating multi-layer separator is proven to prevent internal short-circuiting at elevated high temperatures.
Furthermore, VTCBATT high temp lipo batteries can be stored in an 85℃ environment for 240 hours without any bulge or damage, which can suit the operation of many harsh environments, such as oil&gas tooling, industrial, and manufacturing equipment, aerospace, and aviation.
Known as the leading custom battery manufacturer, VTCBATT can design different high temperature battery solutions in any size or shape, tailor-made for your products and specific temperature demand.
High Temperature Lipo Battery Pictures
Production Process Flow Chart
Advantages
Compared to a standard lipo battery, the VTCBATT high-temperature lipo battery can be stored at 85°C for 240hours without bulge and damage, which can ensure the devices work normally even under high temperature environments.
VTCBATT’s modern facility implements a ¾ automatic manufacturing process, ensuring safety, stability, and reliability for the high-temp lipo battery quality. Furthermore, low& high temperature cycling tests were conducted to make the battery
Formulated with soft aluminum film, VTCBATT can fully customize the high-temperature battery in different sizes and capacities to power different devices in harsh high-temperature environments.
Application
Industrial IOT devices& Cargo TrackerSome industrial IOT devices and cargo trackers are deployed in extreme thermal environments, where the temperature can reach 60°C–80°C temperature. High temperature lithium polymer battery is ideal for these applications.
Automotive ElectronicsIn harsh environments, the high-temperature lithium polymer battery is designed to hold ambient 60°C-80°C high temperature operation, such as under-hood engine compartments,fold-down seatback monitor, etc.
Solar EnergyIn desert or tropical climate environments, most solar-powered controllers, IOT gateways, and environmental monitoring units should withstand 70-80°C during the direct sunlight in the middle day, which is very critical requirement for standard lithium battery.
High Temperature Lipo Battery Specification
- Basic Performance
| No. | Item | Specification | Note |
|---|---|---|---|
| 1 | Rated Capacity | 1140mAh | 0.2C discharge |
| 2 | Nominal Capacity | 1100mAh | 0.2C discharge |
| 3 | Min. Capacity | 1060mAh | 0.2C discharge |
| 4 | Pack Weight | <20g | |
| 5 | Pack Initial Impedance | <200mΩ | 3.7V AC 1kHz measured |
| 6 | Nominal Voltage | 3.7V | |
| 7 | Initial Voltage | ≥3.8V | |
| 8 | Limited Charge Voltage | 4.2 V | Voltage of CC charge to CV charge |
| 9 | Standard Charging Method | 0.2C CC current charge to 4.2V, then CV charge till current declines to 0.01C | 0.2C CC current charge to 4.2V, then CV charge till current declines to 0.01C |
| 10 | Cut-off Voltage | 3.0 V | Load Voltage when discharge ended |
| 11 | Standard ChargingCurrent | 220mA | CC charge to 4.2 V, then CV charge till current declines to less than 0.01C |
| 12 | Standard Charging Time | 6~7 hours | |
| 13 | Rapid Charging Current | 1100mA | |
| 14 | Rapid Charging Time | 1.5hours | |
| 15 | Standard Discharging Current | 220mA | CC discharge to 3.0 V |
| 16 | Max. Discharging Current | 1100mA | |
| 17 | Operating Temperature Range | Charging: 0℃≤T≤60℃ | 0℃≤T≤10℃: 0.2C max, CC to 4.2V, CV to 0.02C |
| 10℃≤T≤45℃: 1C max, CC to 4.2V, CV to 0.02C | |||
| 45℃<T≤60℃: 0.5C max, CC to 4.1V, CV to 0.02C | |||
| Discharging: -20℃≤T≤85℃ | -20℃<T≤10℃: 0.5C, Peak 1.0C | ||
| 10℃≤T≤45℃: 1.0C max | |||
| 45℃≤T≤70℃: 0.5C, Peak 1.0 C | |||
| 18 | High Temperature Storage | -40~85℃( at 85℃, 240 hours of storage, expansion rate<10%, capacity recovery rate>85%) | -40~85℃( at 85℃, 240 hours of storage, expansion rate<10%, capacity recovery rate>85%) |
| 19 | Operating Humidity Range | ≤90%RH |
A: Identify whether the temperature is within the safe operating range.
Stop the battery operation of charge and discharge immediately.
Take the high temperature battery to cool and ventilated places.
A: The main reasons for high battery temperature are overcharging, overdischarging, and overcurrent. Check whether the battery is operated for a long time under charging and overdischarging. Some heavy loads will consume the battery power quickly, which generates lots of heat to increase the battery temperature.
A: 1. Under a normal environment, just add the temperature sensor( NTC) on the battery to sense the temperature. NTC can sense the high temperature and cut off the battery output directly
Under high temperature environment, use high temperature batteries that can withstand max 85°C.
A: Yes.VTCBATT high-temperature lithium battery can operate under an 85°C high temperature environment for 240 hours.
A: VTCBATT high temperature lithium battery can withstand 85°C high temperature for 240 hours.
A: Yes. High temperatures will age the car battery as a result of faster degradation.
A: Yes. High temperatures can decrease the battery life. Because it will accelerate the lithium ions’ movement and degrade the battery capacity.
A: There are several methods to protect the batteries from high temperatures
1. Use the battery in a cool and ventilated place.
2. Use the PCM or BMS with a temperature sensor, which can detect the temperature and cut off above 65°C. Smart software BMS can also collect each cell’s temperature and cut off the battery operation directly.
3. Use smart charging control, which not only can reduce the current above 40°C temperature, but also stops charging at 60°C.
4. Identify the environmental temperature to choose the correct type of batteries suiting for the environmental temperature. If the temperature is above 60°C, you need to use the high-temperature batteries.
A: High temperature will accelerate the battery degradation, which not only shortens the battery lifespan, but also reduces the battery capacity.Long time storage will cause the battery died.
