May 9, 2025
The development history of the natural cooling stage in the electric bicycle battery cooling system
The EcoE 5000W electric bike
Powerful Motor: EcoE is equipped with a 60V 5000W high-speed brushless motor. Due to different loads and road conditions, the electric bike drive system provides adjustable assistance, allowing you to stay healthy, relax, and exercise.
Accessories: This electric bike accessory set includes a rearview mirror, water bottle holder and bottle, a sturdy phone mount, and a waterproof phone pouch. The reinforced cargo rack allows you to easily carry extra items needed for your ride. Additionally, if you need more accessories, you can purchase a detachable storage rack, passenger safety seat, trailer, and more.
60V 32AH Battery: The bike is equipped with a high-capacity, removable 32AH battery, providing longer range per charge and over 1000 charge cycles. With pedal assist, the fat tire e-bike can travel 35-80 miles, depending on riding mode, load, and terrain. You can also purchase a spare battery for extended trips.
Comfort and Versatility: This fat tire electric bike comes with dual front suspension and rear shocks to reduce impact and strain during rides. Its 26-inch wheels, 4-inch tires, and SHIM 7-speed system offer excellent grip across diverse terrains. Front and rear disc brakes ensure safe, responsive stopping, whether on mountain trails or city streets.
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In the early stage of the development of electric bicycles, due to the limitations of battery technology and the performance of electric bicycles, the heat generated by the battery was relatively small, and the requirement for the cooling system was not high. Therefore, the natural cooling method came into being and was widely used. At that time, electric bicycles mainly aimed to meet the basic travel needs. The battery capacity was small, and the cruising range was also short, generally about 100 km, and the battery pack capacity was about a dozen kWh. Natural cooling relied on the convection of natural wind between the battery box and the outside world to dissipate heat. There was no additional cooling device. This method had the advantages of simple structure, low cost, no space occupation, no energy consumption, and no risk of liquid leakage. It could meet the heat dissipation requirements of electric bicycle batteries at that time.
As time went by, the usage scenarios and demands of electric bicycles gradually increased, and people’s requirements for the performance of electric bicycles also became higher and higher. The energy density of batteries continued to increase, and more powerful motors were applied, resulting in more and more heat generated during the charging and discharging of batteries. The limitations of the natural cooling method began to emerge. Its heat dissipation efficiency was low, and it was unable to effectively deal with the heat generated by high – power batteries. In high – temperature environments or during long – time riding, the battery temperature was prone to be too high. This would not only lead to the attenuation of the battery’s cruising range but also accelerate the aging of the battery, affecting the service life of the battery and the overall performance of the electric bicycle.
Although there were these problems, the natural cooling method was still used in some low – end or small – sized electric bicycles that were sensitive to cost and had low – performance requirements because its simple structure and low cost could meet the needs of specific consumer groups. However, with the continuous progress of electric bicycle technology, the natural cooling method gradually could not meet the mainstream needs of the market and was gradually replaced by other more efficient cooling methods, such as forced air cooling and liquid cooling.
The following is the relevant table:
| Stage | Characteristics | Advantages | Disadvantages | Application Scenarios |
|---|---|---|---|---|
| Early stage | The battery generates less heat and relies on the convection of natural wind and the battery box to dissipate heat | Simple structure, low cost, no space occupation, no energy consumption, no risk of liquid leakage | Low heat dissipation efficiency, unable to cope with high – power heat generation. The battery is prone to overheating at high temperatures, resulting in cruising range attenuation and aging | Early – stage electric bicycles that meet the basic travel needs, low – end or small – sized electric bicycles that are sensitive to cost and have low – performance requirements |
| Later stage | The performance of electric bicycles is improved, the heat generation of batteries increases, and the limitations of natural cooling become prominent | The same as in the early stage | The problem of low heat dissipation efficiency is more prominent, affecting the battery life and vehicle performance | Still used in some low – end and small – sized electric bicycles, but gradually replaced by other cooling methods |
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5000W Dual Motor Electric Bike for Adults 28MPH with 60V 32AH Battery, 26×4 Fat Tire All Terrain Ebikes, Full Suspension E Bike, SHM 7-Speed Gear Electric Bicycle
From$1,599.00 Out of stock
5000WPeak Motor
28 MPHTop Speed
80 MilesMax Range
26x4"Fat Tires
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4375W Dual Motor Electric Bike for Adults 28MPH with 60V 28AH Battery, 26×4 Fat Tire All Terrain Ebikes, Full Suspension E Bike, SHM 7-Speed Gear
From$1,499.00 Add to cart
4375WPeak Motor
28 MPHTop Speed
80 MilesMax Range
26x4"Fat Tires
The development history of the expanding brake in the braking heat – dissipation system of electric bicycles
The EcoE 5000W electric bike Powerful Motor: EcoE is equipped with a 60V 5000W high-speed brushless motor. Due to different loads and road conditions, the electric bike drive system provides adjustable assistance, allowing you to stay healthy, relax, and exercise.Accessories: This electric bike accessory set includes a rearview mirror, water bottle holder and bottle, a sturdy phone mount, and a waterproof phone pouch. The reinforced cargo rack allows you to easily carry extra items needed for your ride. Additionally, if you need more accessories, you can purchase a detachable storage rack, passenger safety seat, trailer, and more.60V 32AH Battery: The bike is equipped with a high-capacity, removable 32AH battery, providing longer range per charge and over 1000 charge cycles. With pedal assist, the fat tire e-bike can travel 35-80 miles, depending on riding mode, load, and terrain. You can also purchase a spare battery for extended trips.Comfort and Versatility: This fat tire electric bike comes with dual front suspension and rear shocks to reduce impact and strain during rides. Its 26-inch wheels, 4-inch tires, and SHIM 7-speed system offer excellent grip across diverse terrains. Front and rear disc brakes ensure safe, responsive stopping, whether on mountain trails or city streets. – The following is the relevant table: Stage Time Characteristics Early Application Stage The early stage of the development of electric bicycles Simple structure, low cost, good braking effect, better heat dissipation than the clasp brake, widely used Widespread Use Stage 2004 – 2014 Mature technology, stable product quality, but some disadvantages emerged with the development Gradual Replacement Stage After the implementation of the “New National Standard” in 2019 Due to problems such as braking effect and cost, the application is gradually decreasing, and there is an obvious trend of being replaced by disc brakes and drum brakes
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The EcoE 5000W electric bike Powerful Motor: EcoE is equipped with a 60V 5000W high-speed brushless motor. Due to different loads and road conditions, the electric bike drive system provides adjustable assistance, allowing you to stay healthy, relax, and exercise.Accessories: This electric bike accessory set includes a rearview mirror, water bottle holder and bottle, a sturdy phone mount, and a waterproof phone pouch. The reinforced cargo rack allows you to easily carry extra items needed for your ride. Additionally, if you need more accessories, you can purchase a detachable storage rack, passenger safety seat, trailer, and more.60V 32AH Battery: The bike is equipped with a high-capacity, removable 32AH battery, providing longer range per charge and over 1000 charge cycles. With pedal assist, the fat tire e-bike can travel 35-80 miles, depending on riding mode, load, and terrain. You can also purchase a spare battery for extended trips.Comfort and Versatility: This fat tire electric bike comes with dual front suspension and rear shocks to reduce impact and strain during rides. Its 26-inch wheels, 4-inch tires, and SHIM 7-speed system offer excellent grip across diverse terrains. Front and rear disc brakes ensure safe, responsive stopping, whether on mountain trails or city streets. – The following is the relevant table: Stage Time Development Key Events/Technical Achievements Early Exploration Stage An earlier period The immersion cooling technology was explored in the field of electric vehicles, and the electric bicycle field paid less attention. The McLaren “Speedtail” series of racing cars adopted the immersion – type battery technology. Technology Introduction Stage A few years ago The immersion cooling technology was introduced into the research on the heat dissipation of electric bicycle batteries. XING Mobility launched the immersion – cooled battery system and planned to enter the electric bicycle field. Technology Improvement Stage In recent years Enterprises and institutions have […]
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Development History of Refrigerant Direct Cooling in Electric Bicycle Battery Cooling Systems
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History of Forced Air Cooling Stage in Electric Bicycle Battery Cooling Systems
The EcoE 5000W electric bike Powerful Motor: EcoE is equipped with a 60V 5000W high-speed brushless motor. Due to different loads and road conditions, the electric bike drive system provides adjustable assistance, allowing you to stay healthy, relax, and exercise.Accessories: This electric bike accessory set includes a rearview mirror, water bottle holder and bottle, a sturdy phone mount, and a waterproof phone pouch. The reinforced cargo rack allows you to easily carry extra items needed for your ride. Additionally, if you need more accessories, you can purchase a detachable storage rack, passenger safety seat, trailer, and more.60V 32AH Battery: The bike is equipped with a high-capacity, removable 32AH battery, providing longer range per charge and over 1000 charge cycles. With pedal assist, the fat tire e-bike can travel 35-80 miles, depending on riding mode, load, and terrain. You can also purchase a spare battery for extended trips.Comfort and Versatility: This fat tire electric bike comes with dual front suspension and rear shocks to reduce impact and strain during rides. Its 26-inch wheels, 4-inch tires, and SHIM 7-speed system offer excellent grip across diverse terrains. Front and rear disc brakes ensure safe, responsive stopping, whether on mountain trails or city streets. – 1. Technical Background and Evolution The forced air cooling stage served as a critical transition between natural cooling and liquid cooling for electric bicycle battery thermal management, spanning from the late 2000s to the early 2010s. As lithium-ion battery energy density increased from 100-150 Wh/kg to 200-250 Wh/kg, heat generation during high-rate charging/discharging surged (up to 5-8 W per cell). Natural cooling became insufficient, prompting the adoption of forced air cooling. This technology improved heat dissipation efficiency by 30%-50% through active components like centrifugal fans and axial fans. 2. Technical Principles and System Architecture 3. Technological Development and Market Adoption Stage Timeframe Technical Features […]
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The development history of the natural cooling stage in the electric bicycle battery cooling system
The EcoE 5000W electric bike Powerful Motor: EcoE is equipped with a 60V 5000W high-speed brushless motor. Due to different loads and road conditions, the electric bike drive system provides adjustable assistance, allowing you to stay healthy, relax, and exercise.Accessories: This electric bike accessory set includes a rearview mirror, water bottle holder and bottle, a sturdy phone mount, and a waterproof phone pouch. The reinforced cargo rack allows you to easily carry extra items needed for your ride. Additionally, if you need more accessories, you can purchase a detachable storage rack, passenger safety seat, trailer, and more.60V 32AH Battery: The bike is equipped with a high-capacity, removable 32AH battery, providing longer range per charge and over 1000 charge cycles. With pedal assist, the fat tire e-bike can travel 35-80 miles, depending on riding mode, load, and terrain. You can also purchase a spare battery for extended trips.Comfort and Versatility: This fat tire electric bike comes with dual front suspension and rear shocks to reduce impact and strain during rides. Its 26-inch wheels, 4-inch tires, and SHIM 7-speed system offer excellent grip across diverse terrains. Front and rear disc brakes ensure safe, responsive stopping, whether on mountain trails or city streets. – In the early stage of the development of electric bicycles, due to the limitations of battery technology and the performance of electric bicycles, the heat generated by the battery was relatively small, and the requirement for the cooling system was not high. Therefore, the natural cooling method came into being and was widely used. At that time, electric bicycles mainly aimed to meet the basic travel needs. The battery capacity was small, and the cruising range was also short, generally about 100 km, and the battery pack capacity was about a dozen kWh. Natural cooling relied on the convection of natural wind between […]
Read more