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ATOMFAIR® a small cluster of metallic aluminum clad wave spring washers on a white background.

Al-Clad Wave Springs 15.4×1.1mm CR2032 Lab ATOMFAIR®

$100.00

Institutional Procurement & Supply Compliance: As a verified US supplier, Atomfair accepts formal institutional Purchase Orders (POs), contract billing schedules, and custom procurement loops for university and national laboratories, and corporate R&D departments globally.

Research-grade Al-clad stainless wave springs for CR2032 cells, 15.4×1.1 mm, 5–10 μm coating, ≥5B adhesion, fatigue life ≥10,000 cycles, 60 pcs/pack. Order now.

SKU: AFMSEQKM196
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ATOMFAIR AL-CLAD WAVE SPRINGS 15.4MM CR2032 RESEARCH GRADE

RESEARCH GRADE MATERIAL

Product Overview
ATOMFAIR® Al-Clad Wave Springs 15.4mm CR2032 Research Grade is a coin cell spring for battery research and laboratory procurement. Key specifications include Product Name: ATOMFAIR® Al-Clad Wave Springs; Spring Type: Wave Spring (Belleville); Material & Surface Treatment: Aluminum-Clad Stainless Steel (Coating Thickness 5–10 μm, Adhesion ≥5B Grade); Dimensions (Diameter × Free Height): 15.4 × 1.1 mm (Default); Model Compatibility: CR2032 (Compatible with all CR20 Series Internal Dimensions). It is organized for Lab Accessories & Consumables workflows.

ATOMFAIR® Al-Clad Wave Springs
ITEM DESCRIPTION
Product Name ATOMFAIR® Al-Clad Wave Springs
Spring Type Wave Spring (Belleville)
Material & Surface Treatment Aluminum-Clad Stainless Steel (Coating Thickness 5–10 μm, Adhesion ≥5B Grade)
Dimensions (Diameter × Free Height) 15.4 × 1.1 mm (Default)
Model Compatibility CR2032 (Compatible with all CR20 Series Internal Dimensions)
Packaging Specification 60 Pieces/Pack
Core Performance Parameters Spring Force Range 5 N–30 N
Large Contact Area
Small Footprint
Fatigue Life ≥10,000 cycles
Stable Cell Internal Pressure
Optimal Application Scenarios Most routine testing, thin electrodes, low-loading batteries; universal preferred choice
Customization Options For other sizes, models, and materials, please email to request customization.

Research-Grade Core Quality Advantages
  • Uniform High-Precision Tolerance Control: All component dimensions strictly controlled within ±0.02 mm, ensuring perfect matching across different batches and components, completely eliminating assembly gaps and uneven pressure issues caused by dimensional errors.
  • Full Material Gradient Coverage: Provides a complete material selection from basic to high-end, allowing flexible selection based on corrosivity, voltage range, and testing precision requirements of your experimental system, avoiding experimental failure due to mismatched consumables.
  • Rigorous Electrochemical Compatibility Verification: All materials have undergone constant potential polarization, cyclic voltammetry, and other electrochemical tests to ensure no side reactions within a -0.5 V to 5.0 V voltage range, guaranteeing no interference with battery performance test results.
  • Standardized Batch Production: Fully automated production and quality control ensures highly consistent product performance within and across batches, effectively reducing experimental systematic errors.

APPLICATION SCOPE: Precision assembly and standardized testing for most routine electrochemical testing, thin electrodes, low-loading batteries, and all systems requiring stable cell internal pressure with a compact footprint.
PACKAGING: 60 pieces/pack. 100% dimensional inspection, coating thickness verification, spring force calibration, and appearance inspection before shipment, ensuring oil-free, burr-free, and impurity-free conditions. Can be used directly for battery assembly inside gloveboxes.
IMPORTANT NOTICE: This series is a one-stop assembly solution for coin cells dedicated to electrochemical research. Default accompanying accessories are made of 304 stainless steel. If other materials or special dimensions are required, please email for customization.



This series is a one-stop assembly solution for coin cells dedicated to electrochemical research, comprehensively covering the three mainstream models CR2032, CR2025, and CR2016. It provides a full material and specification selection of three core components—positive/negative electrode cases, conductive spacers, and elastic springs. Independent purchase of single components is supported, and pre-matched complete assembly kits are also available. Fully compatible with all cutting-edge research systems, including conventional lithium-ion batteries, sodium-ion batteries, all-solid-state batteries, lithium-air batteries, and high-voltage batteries, it provides standardized hardware support for the accuracy and reproducibility of experimental data.
Important Note: Default accompanying accessories are made of 304 stainless steel. For accessories made of other materials, please email for customization.

I. Positive/Negative Electrode Cases
Type Classification Material / Special Structure Compatible Models Core Performance Parameters Optimal Application Scenarios
Basic Universal 304 Stainless Steel CR2032/CR2025/CR2016 Dimensional Tolerance ±0.02 mm
Sealing Pressure ≥5 MPa
Operating Temp. -40°C to 120°C		 Conventional Li-ion/Na-ion batteries, aqueous battery basic testing, batch prototype preparation
Basic Universal 316L Stainless Steel CR2032/CR2025/CR2016 Dimensional Tolerance ±0.02 mm
Sealing Pressure ≥6 MPa
Operating Temp. -40°C to 150°C		 Sulfide solid-state batteries, high-voltage batteries (>4.5 V), long-term cycling tests, highly corrosive systems
High-Performance Coated Aluminum Coated CR2032/CR2025/CR2016 Coating Thickness 5–10 μm
Adhesion ≥5B Grade
Volume Resistivity ≤3×10⁻⁸ Ω·m		 Lightweight batteries, low contact resistance precision testing, systems sensitive to metal ion contamination
High-Performance Coated Titanium Coated CR2032/CR2025/CR2016 Coating Thickness 3–8 μm
Excellent Biocompatibility
Resistant to Strong Acid/Base Corrosion		 Bio-batteries, aqueous zinc batteries, strongly acidic/alkaline electrolyte systems
High-Performance Coated Nickel Coated CR2032/CR2025/CR2016 Coating Thickness 5–12 μm
Excellent Weldability
Atmospheric Corrosion Resistant		 Battery structures requiring tab welding, pilot-scale batch production, routine electrochemical testing
High-Performance Coated Gold Coated CR2032/CR2025/CR2016 Coating Thickness 0.5–2 μm
Contact Resistance ≤1 mΩ
Superior Chemical Stability		 Ultra-precision electrochemical testing, EIS testing, micro-current testing, in-situ characterization
Specialized Research Li-Air Mesh Type CR2032/CR2025/CR2016 Pore Size 0.2–0.5 μm
Waterproof Rating IP67
Uniform Gas Distribution Design		 Lithium-air batteries, lithium-oxygen batteries, gas-involved reaction battery systems
Specialized Research polyimide Window Type CR2032/CR2025/CR2016 Window Thickness 25–50 μm
Optical Transmittance ≥85%
Electrolyte Corrosion Resistant		 In-situ optical characterization, in-situ Raman/IR spectroscopy, in-situ microscopy observation

II. Conductive Spacers
Default Size: Φ15.8 × 0.5 mm, compatible with the internal dimensions of all CR20 series cell cases. Other thicknesses and special sizes are customizable; please email for customization.
Material Available Size (Diameter × Thickness) Core Performance Parameters Optimal Application Scenarios
99.5% Industrial Pure Aluminum Φ15.8 × 0.5 mm (Default) Dimensional Tolerance ±0.02 mm
Volume Resistivity 2.7×10⁻⁸ Ω·m
No Electrochemical Side Reactions		 Precision experiments requiring high contact resistance, conventional Li-ion/Na-ion batteries
304 Stainless Steel Φ15.8 × 0.5 mm (Default) Dimensional Tolerance ±0.02 mm
High Mechanical Strength
General Corrosion Resistant		 Most routine testing scenarios, aqueous batteries, low-to-medium voltage systems
316L Stainless Steel Φ15.8 × 0.5 mm (Default) Dimensional Tolerance ±0.02 mm
Sulfide/Chloride Ion Corrosion Resistant
High Temperature Resistant		 Sulfide solid-state batteries, high-voltage batteries, highly corrosive systems, long-term cycling tests

III. Elastic Springs
Default Size: φ15.4 × 0.3 mm, compatible with the internal dimensions of all CR20 series cell cases. Other heights and special sizes are customizable; please email for customization.
Spring Type Available Materials Available Size (Diameter × Free Height) Core Performance Parameters Optimal Application Scenarios
Wave Spring (Belleville) Al Coated / 304 SS / 316L SS / Au Coated SS φ15.4 × 1.1 mm (Default) Spring Force Range 5 N–30 N
Large Contact Area
Small Footprint
Fatigue Life ≥10,000 cycles		 Most routine testing, thin electrodes, low-loading batteries; universal preferred choice
Conical Spring Al Coated / 304 SS / 316L SS / Au Coated SS φ15.4 × 1.1 mm (Default) Spring Force Range 10 N–50 N
Good Self-Centering
Strong Anti-Buckling
Fatigue Life ≥10,000 cycles		 Thick electrodes, high-loading batteries, vibration environment testing, systems requiring precise pressure control

IV. Complete Assembly Kit Specifications
Kit Type Included Components Corresponding Battery Model Configurable Options
Standard Assembly Kit Positive Case + Negative Case + Spacer + Spring CR2032/CR2025/CR2016 All materials freely combinable
Spacer thickness customizable
Spring height customizable
Li-Air Dedicated Kit Mesh Positive Case + Negative Case + Waterproof Breathable Membrane + Spacer + Spring CR2032/CR2025/CR2016 304/316L SS material optional
Spacer thickness customizable
Spring height customizable
In-Situ Characterization Kit polyimide Window Cell Case + Gold Coated Spacer + Gold Coated Spring CR2032/CR2025/CR2016 Window thickness optional
Spacer thickness customizable
Spring height customizable

International Quality Standards
  • Stainless steel materials comply with ASTM A240 international standard.
  • Pure aluminum materials comply with ASTM B209 international standard.
  • All coating thicknesses are uniform, with adhesion meeting ASTM B571 standard.
  • 100% dimensional inspection, sealing performance testing, and appearance inspection before shipment.
  • Oil-free, burr-free, and impurity-free; ready for direct use in glovebox battery assembly.
TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official institutional quotations.
EMAIL: INQUIRY@ATOMFAIR.COM
Manufacturer: Atomfair LLC
Brand: ATOMFAIR®

The aluminum coating (5–10 μm, adhesion ≥5B) must remain intact to prevent substrate exposure in electrolyte environments. All handling and assembly must be performed in an inert atmosphere glovebox to maintain electrochemical compatibility and mechanical integrity.

  • Coating integrity: The aluminum coating (5–10 μm, adhesion ≥5B) must not be scratched or delaminated to avoid exposing the stainless steel substrate to electrolyte.
  • Dimensional precision: The spring's diameter and free height tolerances of ±0.02 mm must be respected to ensure uniform pressure distribution within the cell.
  • Electrochemical stability: The spring has been verified to exhibit no side reactions within a voltage window of -0.5 V to 5.0 V, but operation outside this range may cause corrosion.
  • Handling environment: All handling and assembly must be performed in an inert atmosphere glovebox to prevent oxidation and contamination.
  • Mechanical loading: The spring is designed for 5–30 N force range; exceeding 30 N may cause permanent deformation and loss of contact pressure.

How does the spring force range of 5 N–30 N in the Al-Clad wave spring affect its performance with thin electrodes in CR2032 coin cells?

The spring force range of 5 N–30 N is optimized for thin electrodes and low-loading batteries, providing a large contact area and stable internal pressure. This trade-off balances sufficient electrical contact with minimal risk of damaging thin electrodes, as supported by the product's designation as a universal preferred choice for routine testing and thin electrodes.

Over what voltage range can the Al-Clad wave spring be used without introducing electrochemical side reactions?

The Al-Clad wave spring has been electrochemically verified to cause no side reactions within a voltage range of -0.5 V to 5.0 V. This makes it compatible with conventional lithium-ion, sodium-ion, and high-voltage battery systems, as stated in the rigorous electrochemical compatibility verification.

Does the Al-Clad wave spring require any special preparation before use in a glovebox for battery assembly?

No, the wave springs are shipped oil-free, burr-free, and impurity-free after 100% dimensional inspection, coating thickness verification, and spring force calibration. They can be used directly for battery assembly inside gloveboxes without additional cleaning or preparation.

The Atomfair Al-Clad Wave Springs (15.4 mm, CR2032) offer a durable aluminum-coated stainless steel spring with controlled force output (5–30 N) and long fatigue life (≥10,000 cycles), suitable for standardized coin cell assembly. However, their specific geometry limits compatibility to CR20 series cases and demands careful handling to preserve coating integrity.

Positive

  • Aluminum-Clad Corrosion Protection and Low Contact Resistance: The 5–10 μm aluminum coating on stainless steel (adhesion ≥5B) provides electrochemical stability against side reactions within -0.5 V to 5.0 V, minimizing metal ion contamination and ensuring consistent contact resistance.
  • Reliable Spring Performance for Consistent Cell Pressure: With a spring force range of 5–30 N and fatigue life exceeding 10,000 cycles, this wave spring maintains stable internal pressure across repeated compression, crucial for reproducibility in coin cell assembly.

Trade-offs

  • Limited to CR20 Series Internal Dimensions: The 15.4 mm diameter and 1.1 mm free height are specifically designed for CR20 series coin cells (e.g., CR2032), restricting direct use in other cell formats without customization.
  • Sensitivity to Coating Integrity During Handling: The aluminum coating, while robust, requires oil-free, burr-free, and impurity-free assembly environments (glovebox) to avoid damage or contamination that could compromise electrochemical performance.

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 excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).

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