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  • Battery Characterization

    Fig.1 Battery Characterization

    Batteries are devices that convert chemical energy into electrical energy and are used in a wide variety of devices and systems, including cell phones, laptops, electric vehicles, household appliances, and more. Battery characterization and testing is critical for battery manufacturers, researchers and users to understand and optimize battery performance, safety and reliability.

    T, C&A Lab, as a professional third-party reliability testing organization, can provide a full range of battery characterization services according to customer requirements. This service involves the evaluation of various performance parameters and characteristics of the battery, helping customers to determine the capacity, efficiency, cycle life, self-discharge rate, and other important factors affecting its overall performance, to the extent of understanding and enhancing the functionality of the battery system.

    Available battery characterization services are listed below:

    Half-cell and full-cell testing
    • Capacity at room temperature (under constant flow).
    • Capacity at high or low temperature (at constant current).
    • Capacity retention at room temperature (at different current densities).
    • Capacity retention at high or low temperature (at different current densities).
    • Multiplier capacity test.
    • Cycle life.
    Ionic conductivity testing
    • Single point (room temperature).
    • Multi-point (-20 ℃ to 100 ℃).
    LiOH & Li2CO3 content measurement
    • In positive powder .
    • Titration.
    Particle size analysis
    • Water-based dispersions.
    • Alcohol-based dispersions (ethanol or isopropanol).
    • Specialty solvents.
    BET surface area analysis
    • Single point.
    • Multiple points.
    • Pore size distribution.
    Tap density testing
    Powder density testing (helium pycnometer)
    Battery exhaust characteristics analysis
    • Lower flammability limit.
    • Explosion severity test.
    • Flammable gas burning velocity.

    Our characterization techniques are listed below:

    TechniqueTypical Battery Applications
    ICP-OESElectrode composition
    Scanning Electron Microscopy (SEM)Morphology, mixing and film uniformity, particle size
    GDMSRaw material quality control
    Raman/FTIR/Infrared SpectroscopyImpurity detection, carbon phase, functional group analysis
    Transmission Electron Microscopy (TEM)Particle size, particle coating analysis, crystallinity phase
    Energy Dispersive Spectrometer (EDS)Elemental analysis/mapping,SEI characterization
    X-Ray Photoelectron Spectroscopy (XPS)Chemical state, composition
    Time of Flight Secondary Ion Mass Spectrometry (TOF-SIMS)Organic composition, SEI characterization
    Auger Electron Spectroscopy (AES)Elemental mapping, particle depth profiling
    TGA/DTA/DSCThermal properties
    Secondary Ion Mass Spectroscopy (SIMS)Elemental depth profiling of metals
    Gas Chromatography-Mass Spectrometry (GC-MS)Characterization of volatile organic species, electrolyte characterization
    X-ray Diffraction (XRD)Crystallographic phase, crystallite size, crystal density
    IGALevels of atmospheric species
    Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)Electrode impurities
    RTXAlignment of internal components
    X-Ray Fluorescence (XRF)Elemental composition

    We test most battery chemistries, including:

    • Rechargeable Lithium Battery.
    • Rechargeable Nickel Battery.
    • Rechargeable Lead Acid Batteries.
    • Non-Rechargeable Lithium Battery.
    • Non-Rechargeable Consumer Batteries.

    Fig.2 Rechargeable Lithium Battery

    The T, C&A advantages

    • Customized Test Protocols: Whether you need performance verification of a new battery design or characterization of an existing battery system, we can design a customized test plan to meet your needs.
    • Performance Evaluation: We provide insight into the behavior of batteries under a variety of operating conditions. By evaluating factors such as temperature sensitivity, charge/discharge profiles and efficiency, we help you identify opportunities for optimization and improvement.
    • Failure Analysis: We specialize in failure analysis, utilizing advanced diagnostic techniques to identify factors that contribute to battery performance degradation or failure.
    • Regulatory compliance: Our battery characterization services ensure that your batteries comply with relevant standards, including safety certifications, performance benchmarks, and environmental requirements.

    Are you looking to optimize the performance and reliability of your batteries? Contact us today to learn more about our battery characterization services and how we can help you optimize your battery's performance and reliability.

    Note: this service is for Research Use Only and Not intended for clinical use.

    T,C & A LAB is an independent lab providing quality or custom testing, characterization and analysis of a variety of materials. Our engaged experts are ready to help you.

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