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Cathode and Anode Tapes
Ready-to-Use Electrodes for Li-ion, Na-ion, Aqueous, & Lithium Primary Systems
At NEI Corporation, we fuel the future of energy storage with our industry-leading selection of cathode and anode materials. Whether you’re developing next-generation lithium-ion batteries or exploring the exciting world of alternative chemistries, we have the materials you need to push the boundaries of performance.
For lithium-ion batteries, save valuable time and streamline your development efforts with our extensive selection of standard and custom, ready-to-use cathode and anode electrode sheets or made-to-order rolls. Transitioning to sodium-ion technology? NEI Corporation is here to support your sustainability goals. Explore our innovative cathode and anode electrode sheets specifically designed for sodium-ion batteries.
Looking to leverage the safety and cost-efficiency of water-based systems? Evaluate our new aqueous electrode sheets, engineered specifically to withstand unique water-based operating conditions. For long-term reliability and high energy density, view our premium materials optimized for Lithium Primary systems to support your critical, non-rechargeable power applications.
SEM cross-section of an electrode tape at 2,000 and 10,000 magnification
Electrode Sheets for Lithium-ion Batteries
Convenient & Reliable Li-ion Cathode & Anode Tapes
Accelerate your lithium-ion battery development efforts and save time with NEI’s reliable and convenient, ready-to-use electrode sheets. We offer an extensive range of high performance materials, which includes industry-leading cathodes known for their exceptional capacity and cycling stability, and anode materials like graphite, to maximize efficiency and safety. NEI offers a variety of standard and custom options, including different active material loadings and electrode configurations to meet your specific research needs.
Browse our extensive and growing selection of electrodes and find the perfect fit for your lithium-ion battery needs today!
Electrode Sheets for Sodium-ion Batteries
Innovative Na-ion Cathode & Anode Tapes for Next-Gen Batteries
Accelerate your sodium-ion battery R&D 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 electrode sheets utilize our high-quality cathode and anode materials specifically designed for sodium-ion battery applications. NEI offers a variety of options, including different active material loadings and electrode configurations to meet your specific research needs.
Explore how our electrode sheets can take your sodium-ion battery development to the next level!
Electrode Sheets for Aqueous Batteries
High-Performance Materials for Sustainable Energy Storage
Push the boundaries of next-generation aqueous energy storage with our selection of various sodium-ion (Na-ion) active materials coated onto carbon paper. Designed to withstand the unique operating conditions of water-based electrolyte systems, these new electrode sheets offer researchers the exciting opportunity to evaluate the fundamental electrochemical behavior, stability, and viability of new aqueous battery configurations.
Evaluate our specialized selection of aqueous battery electrode sheets today.
Electrode Sheets for Lithium Primary Batteries
Specialized Materials for Non-Rechargeable Systems
Beyond our rechargeable materials, NEI Corporation is now offering electrode sheets for lithium primary battery research and development. These single-discharge electrode materials are designed for systems that prioritize maximum energy density, exceptional shelf life, and stable performance in demanding environments. Our current offerings include electrode sheets of high-capacity Carbon Monofluoride (), a material recognized for having one of the highest energy densities available in solid-state primary chemistry.
Discover how our electrodes can enhance your primary battery research.
Electrode Rolls for Lithium-ion Batteries
Streamline Battery Prototyping with NEI’s Custom Cathode & Anode Rolls
Developing demonstration cells? NEI Corporation now offers the perfect solution: customizable cathode and anode electrode rolls (10 – 100 meters in length), ideal for cylindrical and pouch cell designs. We can tailor electrodes to your exact specifications, such as active material loading, electrode composition, conducting carbon, and any other parameters of your choice. Our expert engineers will leverage our state-of-the-art roll-to-roll coating and calendaring system to produce your custom electrodes efficiently.
Pioneering New Materials? NEI is your partner in innovation! Are you developing a novel active material or exploring new binders, conducting carbons, or additives? Our electrode engineers can help you navigate the process of translating your discoveries into commercially viable electrodes. We’ll work with you to determine the quickest and most efficient path for your demonstration experiments.
Ready to accelerate your battery development? Contact us today to discuss your custom electrode roll needs!
Precut Electrodes for Li-ion Pouch Cells
Save Valuable time with our Precut Electrodes!
Streamline your lithium-ion battery pouch cell assembly process with our selection of precut cathode and anode electrodes. Reduce production time and ensure consistency with these ready-to-use electrodes, available in both single-sided and double-sided configurations. Cast on high-quality current collectors, our precut electrodes deliver consistent performance that matches our industry-leading standard electrode sheet specifications.
Explore the possibilities and unlock efficient pouch cell assembly with NEI’s precut electrodes today!
Page updated June 24, 2026