Achievement of R&D

We focus on the field of power battery for new energy vehicles, and have developed a relatively complete core technology system through continuous innovation and accumulation.

  • Basic research field
  • Single cell
  • Module and pack
  • BMS field

Safety technology

By optimizing the materials / electrodes / simulation / early warning, the safety and reliability can be ensured in the operating condition; our battery products run 600 million km without any safety accidents.

Basic research for cell

  • Analysis technology for key material

    Raw material evaluation and selection, material characteristic analysis, failure analysis, etc

  • Simulation technology

    Supporting cell design and development with simulation, reducing experiment amount and shorten R&D period.

  • Safety Research

    To analyze, predict and solve cell safe problems to ensure safety and reliability

  • Electrode technology

    To optimize the slurry stability, and ensure the production and manufacture with high quality electrode.

  • Electrochemical diagnosis technology

    To rapid diagnose and analysize various problems happened in R&D, production and after-sales process by electrochemical method

  • Micro-analysis Technology for electrode

    To analyze the special characteristics of the electrode, and analyze the electrode problems and principles in depth

Electrode technology

Electrochemical diagnosis technology

Long-Life Technology

  • Through independent electrolyte formulation technology / electrode low expansion design technology,4,000 cycles can be achieved for graphite system, and 20,000 cycles can be achieved for LTO battery.

Ultra low temperature technology

1.amorphous carbon system can be used at low temperature
for a long time without lithium precipitation
2.Fast ion / electron diffusion channels are built to reduce
battery polarization and broaden the temperature range
of battery use

High specific energy cell technology

The first 300 wh/kg grade battery product has passed the acceptance and commercial application has processed in China. The product is applied to the electric manned aircraft, and the flight time is increased to 150 minutes by using the 300 wh/kg grade battery product. The sepcific energy cell will effectively improve the endurance mileage.

High specific power battery technology

By adopting the concept of single cell forward design, embedding cell design model into R&D has shortened develop cycles, reduced costs, solved bottlenect restriction of power performance and played a significant role in developing the single cell with power density up to 7000W / kg 

Advanced safety technology

From material properties to thermal runaway mechanism of abused battery,
battery safety has been quantified by building thermal runaway model and
analyzing key factors of safety features. By optimizing battery design,
effective safety techniques has been verified. 


  • In the early stage of conceptual design, the modules are designed for random vibration, fatigue, mechanical shock and thermal management simulation. In the process of product development, many safety verifications are carried out.
  • The module meets the safety requirements and test methods of power battery for electric vehicles (GB/T31485-2015).
  • The module meets the electrical performance requirements and test methods of power battery for electric vehicles (GB/T31486-2015).
  • The module meets the safety requirements of GB/T 31467.3-2015 lithium ion battery pack and system for electric vehicles.
  • Insulation safety: double insulation protection is adopted inside the module.


Combining simulation and experiments, multiple optimization and upgrades are performed to ensure that the product has reliable structural stability from parts to components to modules.


Aluminum alloy is used for battery module packaging, because of light weight, good structural strength and rigidity. Combining simulation and experiment, under the premise of ensuring safety, Excessive redundant design is removed, and the rate of CTP is high.

Simulation of LMO battery pack

The modalities of each component of the battery pack is verifies by vibration simulation, and the first-order modalities should to be greater than 30Hz; BG/T 31467.3-2015 vibration conditions is used to perform random vibration simulations in the X, Y, and Z directions, respectively, with 1σ stress> tensile strength / 5; Thermally simulation of battery pack is performed to analyze the heating conditions of the battery system under different operating conditions and ambient temperatures.

Simulation of LFP pack components

To predict potential safe risk, simulating the random vibration of the battery pack, using the random vibration load spectrum in GB/T-31467.3, and analysizing the CAE simulation results. The first-order mode should be greater than 30Hz, and 1 σ stress should be big than tensile strength / 6 of each component in X, y and Z directions, meeting the use requirements; CFD simulation of the battery box system is carried out to analyze the working state of the thermal management system under different operating conditions and ambient temperature, including heating under low-temperature and cooling under high-temperature. Continous optimization is performed to make the battery work in the most "comfortable" state.

Safety test

The following safety experiments of battery pack should be passed: fire, liquid cooling experiment, short circuit protection, heating, simulated leakage, EMC test, extrusion, IP68, vibration test, module thermal runaway.

  • fire

  • liquid cooling experiment

  • short circuit protection

  • heating

  • simulated leakage

  • EMC test

  • extrusion

  • IP68

  • thermal runaway

  • vibration test


  • The overall rental rate of battery system is up to 85%
  • The battery system uses the liquid cooling integrated packing approach to effectively improve the energy density.
  • Balanced management

    Fast and multi-objective equilibrium strategy Improve the consistency cell under operating conditions Improve battery life

  • Multi-modal thermal management strategy

    Heat management control technology with multi parameter energy-saving Thermal management system of vehicle Design of battery thermal management control scheme for cabin comfort

  • Multi-domain high-precision battery model

    Multi-level modeling method Verification and test of the core algorithm of BMS Optimize test resources and accelerate product development

Highly reliable and intelligent BMS in full life

  • Safety

    Near 100% diagnostic coverage Dual-processor monitoring redundant Multi-level fault protection Multi-level and multi-parameter fault diagnosis method Multi-dimensional fault location method Multi-dimensional fault detection Multi-level safety pre-warning method

  • reliability

    Material optimization / derating design Tolerance analysis / SI / PI design WCCA analysis SI / PI simulation and test Environmental reliability verification First-class manufacturing plant

  • EMC design

    Considerating design, simulation, and testing,CISPR25, ISO11452-2, ISO11452-4, ISO10605, ISO16750 and other road vehicle standards and customer needs should be meeted.

  • Battery parameter detection

    Collection, diagnosis and analysis of cell voltage, current, temperature and insulation resistance High-accuracy and high-stability signal collecting

  • High precision SOX estimation method

    Algorithm management of SOC and SOH for different cell chemistry and operating condition On line identification of capacity and internal resistance under multiple operating conditions SOE estimation method based on data driven On line SOP estimation using secant iteration algorithm

  • Other

    Data storage / Redundant communication, First in series, then in parallel, Work hard, Save you precious time