With the wide application of unmanned vehicles, robot chassis, special equipment and shipboard/vehicle-mounted equipment, the reliability and performance of power system become the key to ensure the stable operation of equipment. With its high energy density, high power output and intelligent management, the 50 kW power lithium battery system has become an ideal energy solution to meet the continuous output demand of these devices. This article will introduce in detail the complete technical scheme of 50 kW power lithium battery system, covering system composition, key technologies, performance characteristics and application advantages, help users in related fields to deeply understand the technical details of the power system.

I. Application scenario description

50 kW power lithium battery the system is mainly aimed at application scenarios with high output requirements of continuous output, including:

• unmanned vehicle
  unmanned vehicles are widely used in inspection, logistics distribution, security and other fields, requiring the power system to have stable and continuous output capability and high safety to ensure that vehicles work independently for a long time.

• Robot chassis
  as the mobile core of the whole machine, the robot chassis needs to meet the high power output and response speed and support the execution of diverse and complex tasks.

• Special equipment
  

• Shipborne/vehicle-mounted equipment
  shipboard and vehicle-mounted equipment have strict restrictions on the volume, weight and energy efficiency of the power system, and require continuous power supply capability to ensure efficient and stable operation of the equipment.

II. Overall system architecture

the 50 kW power lithium battery system is mainly composed of lithium battery monomer, battery module, power battery management system (BMS), thermal management system, charge and discharge control unit and communication interface, all parts work together to achieve efficient, safe and stable power output.

1. Lithium battery monomer and module design

the system adopts high energy density lithium-ion battery monomer, which has excellent rate performance and cycle life. The battery module adopts modular design and meets the system voltage and capacity requirements through reasonable series-parallel configuration to ensure stable and scalable overall power output.

2. Battery management system (BMS)

3. Thermal management system

aiming at the continuous output of high power, the system is equipped with an efficient thermal management scheme, which adopts the combination of liquid cooling or air cooling to ensure that the temperature of the battery pack is stable in the optimal working interval, effectively prevent performance degradation and security risks caused by overheating.

4. Charge and discharge control unit

the charge and discharge control unit supports multiple charging modes, including normal charging and fast charging, ensuring that the system can flexibly adapt to different working conditions. Stable discharge output, meeting the high load operation of 50 kW continuous output.

5. Communication interface and intelligent monitoring

the system is equipped with standardized communication interfaces (such as CAN, Modbus, etc.) to realize seamless data interaction with the whole machine control system. Through the intelligent monitoring platform, real-time battery status information is obtained, remote diagnosis and maintenance are supported, and system reliability is improved.

III. Analysis of key technologies

high-rate lithium battery monomer is selected, which has low internal resistance and high discharge efficiency, ensuring 50 kW power output and prolonging cycle life. Battery material optimization and manufacturing process improve the safety performance and durability of the battery.

2. Intelligent battery management system

BMS uses advanced algorithms to achieve accurate SOC (power state) estimation and SOH (health state) assessment, ensuring that the battery pack is always in the best working state. The balancing strategy effectively avoids overcharging or overdischarging of the monomer and improves the overall system life.

3. Efficient thermal management design

combined with thermal simulation analysis, the cooling scheme meeting the actual needs of the system is designed. The liquid cooling system quickly takes away battery heat through efficient heat exchanger, while the air cooling system simplifies the structure, adapts to different installation environments, and ensures uniform and safe battery temperature.

4. Modular structure design

modular design facilitates system expansion and maintenance, singleWhen a module fails, it can be replaced quickly to reduce downtime. At the same time, the system can be flexibly configured through standardized interfaces to meet the needs of different devices.

5. High security protection mechanism

multiple safety protection measures ensure the stable operation of the system under abnormal working conditions, including voltage, current, temperature protection and short circuit detection. In addition, the system has a mechanical protection design to prevent external impact from damaging the battery pack.

IV. System Performance characteristics

• continuous high power output: supports 50 kW continuous discharge to meet the power demand of high-load equipment.
• High energy density: optimize the battery monomer and structure design to realize the maximum energy storage per unit volume and weight.
• Intelligent management: advanced BMS system realizes full life cycle management and prolongs battery life.
• High security: multiple protection and thermal management ensure stable and reliable operation of the system.
• Modular and convenient maintenance: designed to facilitate quick replacement and expansion, reducing maintenance costs.
• Wide compatibility: The standard communication interface supports the integration of multiple devices to improve system adaptability.