Battery R&D Services

Cell-Level Battery Testing and R&D

Coin & Pouch Cell Fabrication & Electrochemical Testing

Do you have an established or next-generation battery material and want to know how well it performs? Are you looking for third party verification of your material, have the next great idea, or have a special battery requirement but need assistance in generating data? NEI has a team of electrochemical experts who can evaluate your battery material or project and get answers to your electrochemical questions.

At NEI, we perform full-service contract and by-the-sample cell level research at an affordable price so you can get fundamental cell data, such as specific capacity, impedance, retention, ionic conductivity, and more. We not only give you the data, but we also help interpret it for you. NEI also offers additional services, such as coin and pouch cell fabrication, electrode fabrication, battery materials development, and battery powder characterization. As your project grows, we can continue to work with you on future research directions or scale-up efforts and help you navigate the complex battery market space.

Your Intellectual Property is fully protected at all times, as we work strictly under an NDA (view & download our NDA).

Contact us today and let us know how we can fulfill your battery testing needs.

Coin & Pouch Cell Fabrication & Testing

Coin & Pouch Cell Fabrication & Testing Services

Some of the Cell Fabrication Services that NEI provides, includes:
  • 2032 Coin Cells – choice of anode chemistry, Li, Li-ion, Silicon, Oxide
  • Pouch Cells – up to 4 Ah with standard and custom cell components
  • Use customer’s active and passive materials to fabricate coin and pouch cells
  • Modify electrolyte composition to avoid/mitigate gassing and side reactions

NEI also offers the following Cell-Level Testing Services:

  • Cell Cycling: Rate Capability & Retention
  • Custom Electrode Casting
  • Electrochemical Impedance Spectroscopy
  • Cycling: -40°C to >90°C
  • Ionic Conductivity
  • Cyclic Voltammetry
  • Electrode Resistance
  • Transference Number
Electrode Fabrication

Electrode Fabrication Services

NEI’s battery cell preparation and testing includes industry standard tape casting. In addition to NEI’s standard cast electrode sheets, we can custom fabricate electrode’s to your specification and make modifications in the composition of the tapes, such as:

  • Active material loading (80 – 95%)
  • Coating / tape thickness
  • Tape porosity or density
  • Binder type (aqueous / non-aqueous)
  • Binder content
  • Choice of current collector
Areas of Expertise

Areas of Expertise

Some of NEI Corporation’s areas of expertise include:

Additional Services

Additional Services

Below is a comprehensive list of the battery characterization & cell testing services that NEI offers.

Characterization / Test

Options

Lead Time

Half & Full Cell Testing (coin & pouch cells)• Capacity (under constant current) at room temperature
• Capacity (under constant current) at high or low temperatures
• Capacity retention (under different current densities) at room temperature
• Capacity retention (under different current densities) at high or low temperatures
• Rate capability testing
• Cycle life
• Varies (depending on parameters)
• Varies (depending on parameters)
• Varies (depending on parameters)
• Varies (depending on parameters)
• Varies (depending on parameters)
• Varies (depending on parameters)
Ionic Conductivity• Single point (room temperature)
• Multiple points (-20°C to 100°C)
• 2 - 3 business days
• 4 - 5 business days
Electrochemical Impedance Spectroscopy (EIS)• Temperature Range: -10°C to 150°C• 3 - 5 business days
LiOH & Li2CO3 content measurement (in cathode powders)• Titration• 3 - 5 business days
Particle Size Analysis (Microtrac S3500)
(Range: 10nm - 1000μm)
• Water-based Dispersion
• Alcohol-based (ethanol or isopropanol)
• Special Solvent
• 3 - 5 business days
• 3 - 5 business days
• Varies (contact)
BET Surface Area• Single Point
• Multiple Points
• Pore Size Distribution (need multiple points)
• 3 - 5 business days
• 3 - 5 business days
• 3 - 5 business days
X-ray Diffraction (XRD)• XRD Pattern Acquisition
• Data Analysis (phase identification)
• Data Analysis (crystallite size)
• Crystal Density
• 1 - 2 business days
• 2 - 3 business days
• 1 - 2 business days
• 1 - 2 business days
Thermal Gravimetric Analysis (TGA)• One Heating Condition
• Multiple Heating Conditions (different rate, soak, or temperature)
• 3 - 5 business days
• Varies (contact)
Differential Scanning Calorimetry (DSC)• Glass Transition Temperature and Melting Point of Polymer
• Enthalpy
• 2 - 3 business days
• Varies (contact us)
Infrared Spectroscopy• Transmission Range (Wavenumber: 500 - 4000 cm-1)
• IR spectra functional group analysis
• 1 - 2 business days
• 4 - 5 business days
Scanning Electron Microscopy (SEM)• 3 Micrographs (200x - 50,000x)
• Each Additional Micrograph
• Elemental Mapping (EDS at a single magnification)
• 5 - 10 business days
• Varies (contact)
• Varies (contact)
Optical Microscopy• Bright field (Mag.: 50x, 200x, 500x, & 1000x)
• Additional images using light polarizer
• Interference contrast image
• Dark field images
• 2 - 3 business days
• 2 - 3 business days
• 2 - 3 business days
• 2 - 3 business days
UV-Vis Spectroscopy (Range: 190 - 1100 nm)• Water soluble solids• 1 - 2 business days
Tap Density• N/A• 1 business day
Powder Density (Helium Pycnometer)• N/A• 1 - 2 business days
Contact Form

Contact Form

Describe your battery cell testing needs to us by completing the form below (* – required fields). Your Intellectual Property is fully protected at all times (view & download our NDA).

    Title

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    *Message (please include relevant information, such as cathode/anode chemistries, electrolyte, capacity, full or half cells...):

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