Description
ATOMFAIR® SILICON/CARBON (SI/C) ANODE ELECTRODERESEARCH GRADE MATERIAL
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TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support, custom requirements, or bulk orders.
EMAIL: INQUIRY@ATOMFAIR.COM
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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This electrode is moisture-sensitive and packaged in an aluminum laminated bag with desiccant. During electrochemical cycling, the silicon-carbon composite exhibits a volume expansion of less than 30%, requiring careful cell design to accommodate dimensional changes.
- Moisture Sensitivity: Store and handle the electrode under dry conditions to prevent degradation from ambient humidity.
- Volume Expansion: The electrode undergoes less than 30% volume expansion during cycling, which must be considered in cell stack pressure and separator selection.
- Current Collector Handling: The 6μm copper foil current collector is thin and susceptible to tearing; handle with care using tweezers or vacuum pickup tools.
- Packaging Integrity: Maintain the aluminum laminated bag seal until use to preserve the desiccant's effectiveness.
How does the 1.0 g/cc fixed compaction density of this Si/C anode affect its rate capability compared to lower-density designs?
The fixed 1.0 g/cc compaction density is optimized to balance porosity and ionic/electronic conductivity, supporting the 1350 mAh/g specific capacity and <30% volume expansion. This density favors volumetric energy density over ultra-high-rate performance; lower-density electrodes typically offer better ionic transport for high-C-rate applications.
Can this Si/C anode be integrated into standard lithium-ion battery assembly processes without modifications?
Yes, the electrode is supplied in a dry uncalendered format and is compatible with standard electrolytes as indicated in the product notice. However, the ultra-thin 6 μm copper foil current collector requires careful handling during cell assembly to prevent tearing, and custom pre-lithiation options are available for SEI stability studies.
What storage and handling conditions are required to preserve the performance of these Si/C anode sheets?
The electrodes are packaged in an aluminum laminated bag with desiccant; inert gas packaging is available for enhanced stability. They must be stored in a dry, inert atmosphere to prevent moisture uptake and oxidation of the silicon-carbon composite. The dry uncalendered format also demands gentle handling to avoid mechanical damage such as cracking or delamination.
This Si/C anode electrode offers a high specific capacity of 1350 mAh/g with low expansion (<30%), but is supplied in a dry uncalendered format with fixed compaction density (1.0 g/cc) and areal density (11 mg/cm² double side), necessitating additional processing and limiting experimental flexibility for electrolyte or binder optimization.
Positive
- High specific capacity: Delivers 1350 mAh/g, significantly exceeding conventional graphite anodes, enabling higher energy density in lithium-ion battery research.
- Low expansion design: Silicon-carbon composite structure limits volume change to <30% during cycling, enhancing structural integrity and prolonged cycle life.
Trade-offs
- Dry uncalendered format: Supplied without calendering, requiring an additional processing step to achieve target porosity and electrode density for consistent electrochemical performance.
- Fixed compaction and areal density: Compaction density at 1.0 g/cc and double-side areal density of 11 mg/cm² are not adjustable, limiting tailoring for specific electrolyte or binder systems in experimental setups.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
