R&D Capability

IEST has a multidisciplinary and multi-specialized R&D team, placing great emphasis on the development of cutting-edge technologies.

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R&D staffs

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Ratio of masters & PhDs

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National testing standards

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National scientific research

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Authorized patents

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Utility patents

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Invention patents

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Software copyrights

IEST Laboratory

Based on years of experience in technology development and characterization applications, IEST Lab actively plays a role in R&D , and actively participates in major scientific research projects, national standards and industry standards.

Comprehensive Lab

Multi-dimensional Test

ISO9001 Certification

CE Certification

IEST Testing Services

Our dependable testing results will provide you with a competitive edge, ensuring the highest quality of your lithium-ion batteries.

Thermal Analysis

• Laser thermal conductivity analyzer
• diferential scanning calorimeter
• Thermogravimetric analyzer
• Constant temperatureand humidity box
• Low temperature storage box
• high and low temperature box, etc.

Electrical Performance Analysis

• Electrochemical workstation
• High voltage insulation resistance tester
• Insulation resistance tester
• Cyclic corrosion saltspray box, etc.

Material Properties Analysis

• Automatic microphysical adsorption
• Analyzer,laser particle size analyzer
• On-line ultrasonic disperser
• Gas chromatograph
• Material surface mechanics testing, etc.

Microstructure Analysis

• Scanning electron microscope (including energy spectrum)
• Atomic force microscope
• Confocal Raman rapid microscopicimaging system
• Optical contact angle measuring instrument
• X-ray difractometer
• Fourier transform infrared spectrometeroptical microscope, etc.

Li-ion Batteries Comprehensive Performance Analysis

• Powder resistivity & compaction density meter
• Electrode resistance tester
• Slurry resistance tester
• In-situ gas production volume monitor
• In-situ swelling testing system
• Solid electrolyte analysis system, etc.