Cathode & Anode Tapes
for Sodium-ion Batteries

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Sodium-ion Cathode & Anode Electrode Sheets

Sodium, one of Earth’s most abundant elements, fuels the future of battery technology. Sodium-ion batteries (SIBs) are rapidly emerging as a more sustainable and potentially cost-effective alternative to lithium-ion batteries. NEI Corporation is at the forefront of this exciting transition, empowering researchers and developers with the critical tools they need to improve battery performance. Our commitment to innovation goes beyond just offering existing products. NEI is continuously researching and developing its current portfolio of sodium-ion materials and actively exploring new and innovative compositions. This relentless pursuit aims to address current challenges in SIB technology and unlock even greater performance potential.

Ready-to-Use Na-ion Electrode Sheets

Accelerate your research and development of sodium-ion batteries with NEI’s cathode and anode electrode sheets. Pre-processed and ready to use, our electrode sheets eliminate the need for time-consuming slurry preparation, streamlining your workflow and saving valuable time. Our sodium-ion battery electrode sheets utilize our high-quality Na-ion cathode and anode materials, offering a reliable and efficient solution for researchers and developers pushing the boundaries of this exciting energy storage technology.

Explore how our electrode sheets can take your sodium-ion battery development to the next level!

Na-ion Cathode Electrode Sheets

NEI’s sodium-ion cathode materials are cast into electrode sheets, calendered, and vacuum-sealed into ready-to-use packages of 2, 5, 10 sheets or more.

Choose from our standard specifications or have them customized to meet your specific research needs, such as different active material loadings, electrode composition, current collector, and more.

Sodium Chromium Oxide

NaCrO2

  • Product: NANOMYTE® NAB-10E
  • Active Material Class: Cathode
  • Structure: Hexagonal
  • Minimum Quantity: 2 electrode sheets, 5″ x 10″

Sodium Cobalt Oxide

Na0.7CoO2+x

  • Product: NANOMYTE® NAB-20E
  • Active Material Class: Cathode
  • Structure: Hexagonal
  • Minimum Quantity: 2 electrode sheets, 5″ x 10″
  • Product: NANOMYTE® NAB-30E
  • Active Material Class: Cathode
  • Structure: Orthorhombic
  • Minimum Quantity: 2 electrode sheets, 5″ x 10″

NMO, Sodium Manganese Oxide

Na0.7MnO2+x

  • Product: NANOMYTE® NAB-35E
  • Active Material Class: Cathode
  • Structure: Orthorhombic
  • Minimum Quantity: 2 electrode sheets, 5″ x 10″

Sodium Cobalt Phosphate

NaCoPO4

  • Product: NANOMYTE® NAB-40E
  • Active Material Class: Cathode
  • Structure: Orthorhombic
  • Minimum Quantity: 2 electrode sheets, 5″ x 10″

Sodium Nickel Phosphate

NaNiPO4

  • Product: NANOMYTE® NAB-50E
  • Active Material Class: Cathode
  • Structure: Orthorhombic
  • Minimum Quantity: 2 electrode sheets, 5″ x 10″

Maricite NFP,
Sodium Iron Phosphate

NaFePO4

  • Product: NANOMYTE® NAB-60E
  • Active Material Class: Cathode
  • Structure: Orthorhombic (Maricite-type)
  • Minimum Quantity: 2 electrode sheets, 5″ x 10″

Olivine NFP,
Sodium Iron Phosphate

NaFePO4

  • Product: NANOMYTE® NAB-64E
  • Active Material Class: Cathode
  • Structure: Orthorhombic (Olivine-type)
  • Minimum Quantity: 2 electrode sheets, 5″ x 10″

NFPP, Sodium Iron Phosphate
Pyrophosphate

Na4Fe3(PO4)2P2O7

  • Product: NANOMYTE® NAB-65E
  • Active Material Class: Cathode
  • Structure: Orthorhombic (NASICON-type)
  • Minimum Quantity: 2 sheets, 5″ x 10″

Sodium Manganese Phosphate

NaMnPO4

  • Product: NANOMYTE® NAB-70E
  • Active Material Class: Cathode
  • Structure: Orthorhombic
  • Minimum Quantity: 2 electrode sheets, 5″ x 10″

Prussian Blue

Na0.61Fe[Fe(CN)6]0.94

  • Product: NANOMYTE® NAB-80E
  • Active Material Class: PBA Cathode
  • Structure: Cubic
  • Minimum Quantity: 2 electrode sheets, 5″ x 10″

Prussian White

Na1.79Mn[Fe(CN)6]0.87

  • Product: NANOMYTE® NAB-85E
  • Active Material Class: PBA Cathode
  • Structure: Monoclinic
  • Minimum Quantity: 2 electrode sheets, 5″ x 10″

Na-ion Anode Electrode Sheets

NEI’s sodium-ion anode materials are cast into electrode sheets, calendered, and vacuum-sealed into ready-to-use packages of 2, 5, 10 sheets or more.

Choose from our standard specifications or have them customized to meet your specific research needs, such as different active material loadings, electrode composition, current collector, and more.

NTO, Sodium Titanium Oxide

Na2Ti3O7

  • Product: NANOMYTE® NAB-100E
  • Active Material Class: Anode
  • Structure: Monoclinic
  • Minimum Quantity: 2 electrode sheets, 5″ x 10″

NTO, Sodium Titanium Oxide

Na4Ti5O12

  • Product: NANOMYTE® NAB-150E
  • Active Material Class: Anode
  • Structure: Hexagonal
  • Minimum Quantity: 2 electrode sheets, 5″ x 10″

NTP, Sodium Titanium Phosphate

NaTi2(PO4)3

  • Product: NANOMYTE® NAB-200E
  • Active Material Class: Anode
  • Structure: Hexagonal
  • Minimum Quantity: 2 electrode sheets, 5″ x 10″

NTP, Sodium Titanium Phosphate

Carbon-coated NaTi2(PO4)3

  • Product: NANOMYTE® NAB-200CE
  • Active Material Class: Anode
  • Structure: Hexagonal
  • Minimum Quantity: 2 electrode sheets, 5″ x 10″

Hard Carbon

HC

  • Product: NANOMYTE® NAB-300E
  • Active Material Class: Anode
  • Minimum Quantity: 2 electrode sheets, 5″ x 10″

Standard Na-ion Electrodes

Below is a brief overview of what you can expect from our standard electrode sheets. Please refer to the spec sheet of each material for detailed specifications.

  • Dimensions

    5 in x 10 in (127 mm x 254 mm)

  • Coating

    Single or double-sided; coated edge-to-edge

  • Current Collector

    Anode: Copper (10 µm thick); Cathode: Aluminum (16 µm thick)

  • Binder Type

    Aqueous (CMC/SBR), Non-aqueous (PVDF)

  • Quantities

    2, 5, 10, 25, 50, & 100 sheet increments

  • Packaging

    Electrodes are calendered, dried, & vacuum sealed

Customization Options

Don’t settle for a one-size-fits-all solution! NEI understands that your battery development needs are unique. That’s why we offer extensive customization options for our cathode and anode electrodes. For a nominal fee, our electrodes can be custom tailored to your specification, such as:

  • Active Material Loading

    Specify the active loading (mg/cm2) per side

  • Areal Capacity

    Specify the areal capacity (mAh/cm2) per side

  • Electrode Composition

    Modify the ratio of active material, conductive carbon, and binder

  • Binder Type

    Aqueous (CMC/SBR), Non-aqueous (PVDF)

  • Current Collector

    Aluminum, Copper, Carbon paper, Graphite foil, Titanium, or Stainless steel

  • Size / Format

    Modify the dimensions or length of sheets or rolls

  • Uncoated Tab Areas

    Specify the uncoated areas along the length

  • Matching

    Anodes can be matched to cathodes at your specified N/P ratio

Current Collectors

While focus is typically placed on the performance of the ‘active’ material, the current collector plays an essential role in electrode functionality. It must remain chemically stable—resisting corrosion and unwanted surface reactions—while ensuring the electrode remains well-adhered through thousands of charge-discharge cycles.

As non-traditional materials and aqueous electrolytes become more prevalent, standard copper and aluminum foils are not always sufficient. Depending on your specific application and active material, substrates such as carbon paper, graphite foil, titanium, or stainless steel may be required. NEI Corporation has developed specialized processes to deposit active materials on a wide variety of alternative current collectors, allowing you to customize your electrodes for optimal performance.

With NEI’s customizable electrode tapes, you have the power to create the perfect sodium-ion battery solution for your unique needs.

Updated September 23, 2026

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