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Electrode Sheets

ATOMFAIR Custom Battery Electrode Sheets & Advanced Coating Services support research teams that need reliable electrode preparation between powder synthesis and cell-level validation. This category includes standard coated electrode sheets, custom wet-slurry coating, solvent-free dry electrode processing, client-supplied powder toll coating, and formulation support for lithium-ion, sodium-ion, zinc-ion, solid-state, and hybrid electrochemical systems.

Researchers can select from existing electrode sheet families or request customized electrodes based on active material, loading, coating thickness, compaction density, current collector, binder system, conductive additive network, coating side, sheet size, and target cell format. The service is suitable for coin-cell screening, pouch-cell prototyping, sodium-ion validation, high-loading cathode studies, silicon-carbon anode development, and solid-state composite electrode research.

Because electrode performance is strongly affected by coating uniformity, formulation balance, substrate compatibility, drying behavior, and calendering conditions, custom electrode preparation should be specified by process target rather than material name alone. For special chemistries, moisture-sensitive powders, solid electrolytes, or unusually high-loading designs, feasibility review is recommended before confirming the coating route.

Show More Custom Electrode Sheet Materials, Coating Routes & RFQ Guidelines

I. Supported Electrode Material Systems

Battery System	Cathode / Positive Electrode Options	Anode / Negative Electrode Options
Lithium-Ion Batteries	LFP, LMFP, NCM, high-nickel NCM, NCA, LCO, LNMO, LMR / LLO	Graphite, MCMB, Si-C, SiOx, nano-silicon, LTO, lithium metal-related structures
Sodium-Ion Batteries	NVP, NFPP, NFM, NMO, Prussian Blue / Prussian White, sodium layered oxides	Hard carbon, soft carbon, phosphorus-carbon composites, alloy anodes, sodium metal-related systems
Zinc-Ion & Aqueous Batteries	MnO₂, vanadium oxides, zinc manganese oxide, zinc hexacyanoferrate	Zinc foil, porous zinc structures, zinc-alloy substrates
Solid-State Batteries	Composite cathodes with sulfide, oxide, halide, or polymer solid electrolytes	Lithium metal, coated lithium foil, solid-state compatible anode structures
Hybrid / Blended Systems	LFP + LMFP, NCM + LCO, sulfur-carbon, catalyst-containing cathodes	Graphite + SiOx, Si-C blends, custom binder/conductive networks

II. Customizable Electrode Parameters

Parameter	Typical Options	Why It Matters
Coating Side	Single-sided or double-sided	Matches coin-cell, pouch-cell, and process validation requirements
Loading	Low, medium, high, or custom mg/cm² target	Controls areal capacity, rate behavior, and electrode stress
Thickness & Density	Custom wet thickness, dry thickness, and compaction density	Affects porosity, ion transport, adhesion, and volumetric energy density
Current Collector	Al, Cu, carbon-coated foil, porous foil, Ti, stainless steel, Ni foam	Determines conductivity, corrosion resistance, adhesion, and system compatibility
Binder System	PVDF, PTFE, PAA, CMC/SBR, or chemistry-specific binders	Impacts slurry stability, flexibility, dry process feasibility, and cycling stability
Conductive Network	Super P, carbon black, CNTs, graphene, hybrid additives	Controls electronic percolation and high-rate performance
Sheet Format	Standard sheets, custom dimensions, coin-cell discs, pouch-cell sheets	Reduces downstream preparation time and improves test consistency

III. Wet Slurry vs. Dry Electrode Processing

Process Route	Best For	Technical Notes
Wet Slurry Coating	Standard LIB/SIB/ZIB electrodes, baseline validation, routine coated foils	Suitable for established binder-solvent systems and controlled coating uniformity
Transfer / Slot-Die Coating	Larger sheet formats, pilot validation, controlled coating geometry	Useful when coating width, pattern, and repeatability matter
Dry Electrode Processing	High-loading electrodes, PTFE fibrillation, solvent-sensitive materials	Avoids traditional solvent drying and may reduce binder migration in thick electrodes
Solid-State Composite Electrode Preparation	ASSB cathodes and interface studies	Requires attention to solid electrolyte compatibility, moisture sensitivity, and pressure-assisted contact

IV. RFQ Checklist

Information to Provide	Example
Target electrode type	Cathode, anode, solid-state composite electrode
Active material	LFP, NCM811, NVP, hard carbon, Si-C, custom powder
Material source	Atomfair-supplied or client-supplied powder
Process route	Wet slurry, dry electrode, solid-state composite, feasibility trial
Target loading	mg/cm² or mAh/cm²
Target thickness / density	Dry thickness, compaction density, porosity target if available
Current collector	Al, Cu, carbon-coated Al/Cu, Ti, stainless steel, Ni foam
Coating format	Single-sided, double-sided, full coating, intermittent coating
Sheet size / disc size	Standard sheet, pouch size, coin-cell disc
Quantity	Number of sheets, batch size, trial quantity
Special handling	Moisture-sensitive, air-sensitive, toxic, corrosive, solid electrolyte compatible

Technical FAQ

Can Atomfair coat customer-supplied powders?

Yes, customer-supplied powders may be evaluated for toll coating or feasibility trials. Material safety, particle size, moisture sensitivity, slurry compatibility, and required loading should be reviewed before processing.

How should I choose between wet slurry coating and dry electrode processing?

Wet slurry coating is suitable for established electrode systems and baseline validation. Dry electrode processing is more suitable for high-loading designs, PTFE-based binder networks, and certain moisture- or solvent-sensitive materials.

What information is most important for a custom electrode sheet quotation?

The most important information includes active material, target loading, coating side, current collector, sheet size, binder preference, conductive additive system, quantity, and intended cell format.

Can custom electrode sheets be prepared for solid-state batteries?

Solid-state composite electrodes may be prepared depending on the active material, solid electrolyte type, moisture sensitivity, binder compatibility, and target architecture. Sulfide systems usually require more careful process review.

Why does current collector selection matter?

The current collector affects adhesion, resistance, corrosion stability, and compatibility with the electrode chemistry. Aluminum, copper, carbon-coated foils, porous foils, titanium, stainless steel, and nickel foam serve different electrochemical systems.

Can I request both standard electrode sheets and custom formulations?

Yes. Standard electrode sheets are useful for baseline testing, while custom formulations are better for evaluating new materials, different conductive networks, special binders, or specific loading targets.

Are performance results guaranteed by electrode sheet preparation alone?

No. Final cell performance depends on active material quality, electrode formulation, drying, calendering, electrolyte, separator, cell assembly, formation protocol, and test conditions. Custom electrode preparation helps control one major part of the workflow.

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Technical FAQ & References

What electrode sheet chemistries can be sourced in this category?

This category covers lithium-ion cathodes and anodes, sodium-ion cathodes and carbon anodes, zinc-ion cathodes, solid-state composite electrodes, and hybrid blended formulations. Examples include LFP, LMFP, NCM, NCA, LCO, LNMO, LMR, NVP, NFPP, NFM, Prussian Blue/White, graphite, hard carbon, Si-C, SiOx, LTO, and manganese-based zinc-ion materials.

Can customer-supplied battery powders be coated into electrode sheets?

Customer-supplied powders may be reviewed for toll coating or feasibility trials. Evaluation can include material safety, particle size, moisture or air sensitivity, slurry compatibility, target loading, current collector choice, and whether the material is better suited to wet coating or dry processing.

How should buyers choose wet slurry coating versus dry electrode processing?

Wet slurry coating is typically used for established binder-solvent systems, baseline electrode validation, and many standard research sheets. Dry electrode processing is often considered for PTFE-based systems, solvent-sensitive materials, high-loading designs, and moisture-sensitive or process-constrained formulations.

Which electrode parameters are configurable for an RFQ?

Useful RFQ parameters include active material, cathode or anode polarity, target loading, areal capacity, wet and dry thickness, compaction density, porosity target, current collector, binder system, conductive additive network, coating side, coating pattern, sheet or disc size, batch quantity, handling needs, and intended cell format.

Can electrode sheets be made for solid-state batteries?

Solid-state composite electrode sheets can be considered when the active material, sulfide, oxide, halide, or polymer solid electrolyte, binder system, moisture sensitivity, pressure-contact requirements, and target architecture are compatible with the proposed preparation route.

Does a coated electrode sheet guarantee final battery performance?

No. Electrode preparation is only one part of cell performance. Results also depend on active material quality, electrolyte and separator selection, cell assembly, drying, calendering, formation protocol, test conditions, and downstream compatibility.

References

Electrode manufacturing for lithium-ion batteries—Analysis of current and next generation processing
Hawley, W. B.; Li, J. · Journal of Energy Storage · 2019
DOI: 10.1016/j.est.2019.100862
Directly addresses lithium-ion battery electrode manufacturing steps including slurry preparation, coating, drying, calendaring, and next-generation processing routes relevant to custom coated electrode sheets.
Current and future lithium-ion battery manufacturing
Liu, Y.; Zhang, R.; Wang, J.; Wang, Y. · iScience · 2021
DOI: 10.1016/j.isci.2021.102332
Authoritative manufacturing review covering electrode slurry mixing, coating, drying, calendering, cell assembly, and future process directions, supporting the category's electrode-sheet preparation and process-selection content.
Solvent-Free Manufacturing of Electrodes for Lithium-ion Batteries
Ludwig, B.; Liu, J.; Chen, I. M.; Liu, Y.; Shou, W.; Wang, Y.; Pan, H. · Scientific Reports · 2016
DOI: 10.1038/srep23150
Directly supports solvent-free dry electrode processing, an important category capability for high-loading and solvent-sensitive lithium-ion electrode sheets.
Investigation of film solidification and binder migration during drying of Li-Ion battery anodes
Jaiser, S.; Muller, M.; Baunach, M.; Bauer, W.; Scharfer, P.; Schabel, W. · Journal of Power Sources · 2016
DOI: 10.1016/j.jpowsour.2016.04.018
Directly relevant to wet-slurry electrode coating and drying behavior, especially binder migration and electrode uniformity, which are key factors in coated electrode sheet quality.
Interfaces and Interphases in All-Solid-State Batteries with Inorganic Solid Electrolytes
Banerjee, A.; Wang, X.; Fang, C.; Wu, E. A.; Meng, Y. S. · Chemical Reviews · 2020
DOI: 10.1021/acs.chemrev.0c00101
High-impact review supporting solid-state composite electrode preparation, sulfide and oxide electrolyte compatibility, and interface considerations for all-solid-state battery electrode sheets.