Development of Battery Cell with Extreme Cold Tolerance 

• By utilizing ultra-micro nanoscale cathode material, mixed-type anode material, low temperature type electrolyte, low temperature improving process and other technologies, the battery discharge rate can realize 3C in pulse and 1.5C in continuous at low temperature(-43℃).

• The temperature decreasing rate of cell is less than 2℃/h is achieved at low temperature -43℃ through thermal insulation design of battery module and pack.
• The heating algorithm is optimized according to the big data of driving habit by an intelligent identification technology.

High Precision Battery Status Estimation                                  

• Less than 3% of Estimation Errors of SOC, less than 5% of estimation errors of SOE are achieved at Different Environmental Conditions, Which Based on the “Comprehensive Kalman Filter and Artificial Neural Network Battery System State Estimation Algorithms”

Safety

• Protection in mechanical, electric and thermal aspects can ensure overall safety and reliability of the battery system.
• With the technology of one-cell-one-sensor, the temperature of every single cell can be real-time monitored.  
• Based on a comprehensive technology to  online identify  internal short circuit with voltage and temperature signals, early warning of internal short circuit can be issued  15 minutes in advanced of battery thermal runaway.

• Strict tests on vibration, mechanical shock, extrusion, collision and falling are conducted to ensure the structure of battery is reliable under various extreme conditions.
• IP68 and IPX9K class protection level can be achieved to ensure battery system can work normally in conditions of crossing water , sandstorm or heavy dust.

• High standard for Both the design and test standard of insulation withstand voltage are outclassing that of automobile industry, and the the whole process flow from pack to battery system are precisely controlled, thus the battery system has a good high-voltage electric safety.
  With high level of requirement on insulation withstand voltage in design and manufacturing process of product, the safety regarding high-voltage is guaranteed.

• With  BMS monitoring insulation resistance in real time and connectors with interlock functions,  the circuit can be cut off as long as abnormal is identified to ensure human safety.

Fast Charging

• By applying lithium-plating-prevention charging , high accurate temperature monitoring, thermal management during fast charging, model based fast charging algorithm, the cell performance limitation can be further widened to achieve 5C fast charging safely and stably, thus the battery pack can be fully charged within 15 minutes. 

• At high temperature 45℃, three-surface module cooling, five-surface cell cooling is applied, which can cool the battery efficiently during fast charging, the cell temperature would not exceed 35℃ and the cell temperature difference would not exceed 2℃. 

Safely Fast Charging in Low Temperature 

• Based on characteristic data of cell, with application of advanced phase change material to storage heat, with fast cell heating technologiesand with intelligent multi-stage charging strategy, battery system can be charged safely at low temperature.

High Energy Desnsity

Highly-compact Module    

• By Applying Matrix type module, CTP and CTC technologies, the pack volume and weight can be decreased and the cell to pack ratio can be improved significantly.
• Through decreasing the number of modules and simplifying the module structure, the energy density can be improved by decreasing the number of parts.

Mechanical Structure Optimization

• Based on applying non-load-bearing structure of battery box, the stiffness of module structural parts can be fully utilized, thus the bearing requirement of outer box can be reduced and box weight can be reduced by 30%.
• Basing on topology simulation and optimization, the material of parts can be reduced precisely, therefore  both mechanical performance and lightweight design can be realized simultaneously.

• By using advanced lightweight materials, such as Mg-Al alloys or carbon fiber, the weight can be reduced further, and energy density can be further improved
• By using laser welding, resistance welding or structural bonding process, the number of fasteners can be decreased to reduce weight.

瞬间强劲动力

通过材料层面的纳米级包覆等技术，提高材料导电能力，实现高倍率放电，收放自如的强劲动力，胜任全景路况，为您独当一面

小身躯，大能量

通过材料层面的纳米级包覆等技术，提高材料导电能力，实现高倍率放电，收放自如的强劲动力，胜任全景路况，为您独当一面

高节油率

通过材料层面的纳米级包覆等技术，提高材料导电能力，实现高倍率放电，收放自如的强劲动力，胜任全景路况，为您独当一面

超长寿命

通过材料层面的纳米级包覆等技术，提高材料导电能力，实现高倍率放电，收放自如的强劲动力，胜任全景路况，为您独当一面

Long Life

Efficient Thermal Management Technology

• Different thermal management systems(eg. air cooling, liquid cooling, refrigerant cooling, PTC heating ) are equipped according to working conditions, therefore the cell temperature can be controlled in ideal range to decrease the influence of cell temperature to battery life. 

High Accurate Monitoring of Cell State 

• Basing one-cell-one-sensor technology, the temperature of each cell can be monitored, therefore the cell thermal management strategy can be optimized to control cell temperature in ideal range and the deterioration of pack life due to the decay of a few cells can be avoided.

High Accurate Estimation of Battery State

• Based on one-cell-one-sensor technology and model based algorithm in BMS, the estimation errors of SOC is less than 3% and the error of SOH is less than 5% during full life cycle, therefore the life of battery system can be extended.

Low Cost 

• By applying CTP, CTC, large module, non-load-bearing structure and low-cost thermal management system, both the number of parts and the cost can be reduced.

• By highly dedicated development of module and BMS, optimize electric schematic and components and eliminate redundancy, cost can be reduced without compromise on performance.

• Key equipment can be developed independently, which can improve the automatic level, and adopting innovative manufacturing process, therefore the cose of manufacturing process can be reduced significantly.

Flexible and Intelligent Manufacturing

Quick Response and Low Cost

• According to the requirement from product design, process design and test process, dedicated test equipmentsuch as performance testing, function testing, high and low temperature testing can be developed to  better fulfill the needs of customers.

• In order to better fulfill customer needs,  manufacturing equipment can be reconstructed and reorganized to quickly response to fulfill customer needs.

• By applying speicalized equipment(such as automatic turntable, flexible robotic-arm, double-station welding station, automatic rolling device and automatic gluing machine) to production line, the production capacity of one single shift can be hundreds of  packs.

Diversified Welding Technologies

• A variety of welding technologies (such as laser welding, resistance welding and ultrasonic welding) can be applied for different products to achieve high productivity and high quality.  

High Precision Electronic Control

Adaptive State Estimation Algorithms

• Depending on the adaptive model based algorithms, the battery SOC/SOP/SOH status is calculated, and the battery is all-time monitored in all-weather in real time.  

Cloud-based Big Data & OTA                

• Through cloud computing and big data analysis, the control strategy can be customized  for individual vehicle, in order to make each product working in its ideal status.

High Performance                      

High Reliability                                      

• ASILD/ASILB Level Functional Safety
• Hardware Redundant Design for Key Function
• High EMC Performance
• Broad Temperature Adaptability

Totally Domestic                          

• Components are 100% totally domestic.

瞬间强劲动力

通过材料层面的纳米级包覆等技术，提高材料导电能力，实现高倍率放电，收放自如的强劲动力，胜任全景路况，为您独当一面

小身躯，大能量

通过材料层面的纳米级包覆等技术，提高材料导电能力，实现高倍率放电，收放自如的强劲动力，胜任全景路况，为您独当一面

高节油率

通过材料层面的纳米级包覆等技术，提高材料导电能力，实现高倍率放电，收放自如的强劲动力，胜任全景路况，为您独当一面

超长寿命

通过材料层面的纳米级包覆等技术，提高材料导电能力，实现高倍率放电，收放自如的强劲动力，胜任全景路况，为您独当一面