CR2032 304/316L SS Coin Cell Case Sets, ±0.02mm ATOMFAIR®

ATOMFAIR CR2032 316L/304 STAINLESS STEEL COIN CELL CASE SETS

RESEARCH GRADE MATERIAL

Product Overview

ATOMFAIR® CR2032 316L/304 Stainless Steel Coin Cell Case Sets is a coin cell case set for battery research and laboratory procurement. Key specifications include Product Name: ATOMFAIR® CR2032 Coin Cell Case Sets; Included Components: 316L/304 Stainless Steel Cases, 15.8 × 0.5 mm Spacers, 15.4 × 1.1 mm Springs; Intended Use: Premium cell cases designed specifically for battery research in academic R&D environments; Customization Options: For other sizes or custom specifications, please email to request customization.; Type Classification: Material/Special Structure. It is organized for Lab Accessories & Consumables workflows.

ATOMFAIR® CR2032 Coin Cell Case Sets

ITEM	DESCRIPTION
Product Name	ATOMFAIR® CR2032 Coin Cell Case Sets
Included Components	316L/304 Stainless Steel Cases, 15.8 × 0.5 mm Spacers, 15.4 × 1.1 mm Springs
Intended Use	Premium cell cases designed specifically for battery research in academic R&D environments
Customization Options	For other sizes or custom specifications, 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: Standardized testing and prototype preparation for conventional lithium-ion batteries, sodium-ion batteries, all-solid-state batteries, lithium-air batteries, high-voltage batteries, and other cutting-edge research systems.

PACKAGING: Standard packaging of 1000 sets/pack. 100% dimensional inspection, sealing performance testing, 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—with a unified packaging specification of 1000 sets/pack. 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	Packaging Specification
Standard Assembly Kit	Positive Case + Negative Case + Spacer + Spring	CR2032/CR2025/CR2016	All materials freely combinable Spacer thickness customizable Spring height customizable	1000 Sets/Pack
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	1000 Sets/Pack
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	1000 Sets/Pack

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 operating temperature and sealing pressure limits depend on the selected stainless steel grade, with 304SS rated to 120°C and 316L to 150°C. All components must remain free of oil, burrs, and impurities for direct use in glovebox battery assembly.

Temperature Range Constraint: 304 stainless steel cases are constrained to -40°C to 120°C, while 316L cases tolerate -40°C to 150°C.
Sealing Pressure Requirement: The assembly must achieve a minimum sealing pressure of 5 MPa for 304SS cases and 6 MPa for 316L cases to ensure electrolyte containment.
Electrochemical Voltage Window: All materials are verified to exhibit no side reactions within -0.5 V to 5.0 V versus the reference electrode.
Dimensional Tolerance Constraint: Component dimensions are held to ±0.02 mm to eliminate assembly gaps and ensure uniform pressure distribution.
Cleanliness Requirement: Cases and accessories must be oil-free, burr-free, and impurity-free prior to introduction into the glovebox.

FAQ

What are the key performance differences between the 304 stainless steel and 316L stainless steel versions of the ATOMFAIR CR2032 coin cell case set for high-voltage or corrosive battery systems?

The 316L stainless steel variant offers higher corrosion resistance and a sealing pressure of ≥6 MPa, compared to ≥5 MPa for 304 SS. It is specifically recommended for sulfide solid-state batteries, high-voltage batteries (>4.5 V), long-term cycling tests, and highly corrosive systems, while 304 SS is suitable for conventional Li-ion/Na-ion and aqueous battery testing. Both maintain dimensional tolerance ±0.02 mm and electrochemical stability verified from -0.5 V to 5.0 V.

Are the ATOMFAIR CR2032 stainless steel coin cell case sets compatible with sulfide solid-state electrolytes and high-voltage cathode materials?

Yes, the 316L stainless steel version is optimized for sulfide solid-state batteries and high-voltage systems (>4.5 V) due to its resistance to sulfide/chloride ion corrosion and higher sealing pressure of ≥6 MPa. The 304 stainless steel version is intended for conventional Li-ion, Na-ion, and aqueous systems. Both variants have undergone electrochemical testing with no side reactions in the -0.5 V to 5.0 V range, ensuring compatibility.

Do the ATOMFAIR CR2032 coin cell case sets require any pre-treatment or surface cleaning before use in a glovebox for battery assembly?

No pre-treatment is required. The cases are shipped oil-free, burr-free, and impurity-free after 100% dimensional inspection, sealing performance testing, and appearance inspection. They are ready for direct use in glovebox battery assembly. If 316L stainless steel is needed instead of the default 304 stainless steel, customization must be requested via email.

Assessment

The ATOMFAIR CR2032 coin cell case sets provide high-precision stainless steel cases (304 or 316L) with ±0.02 mm dimensional tolerance and verified electrochemical compatibility from -0.5 V to 5.0 V, ensuring reproducible battery assembly and pure electrochemical data. However, the default spacers and springs are 304 stainless steel, necessitating custom orders for 316L compatibility, and the 1000-set packaging may exceed the needs of small research groups.

Positive

High-Precision Dimensional Tolerance ±0.02 mm: All component dimensions are strictly controlled within ±0.02 mm, ensuring perfect batch-to-batch matching and eliminating assembly gaps and uneven pressure from dimensional errors.
Electrochemical Compatibility Verified (-0.5 V to 5.0 V): Materials have passed constant potential polarization and cyclic voltammetry tests, guaranteeing no side reactions within the voltage range and no interference with battery performance results.

Trade-offs

Default Accessory Material 304SS Only: Spacers and springs default to 304 stainless steel; 316L or other materials require customization via email, adding lead time for users needing matched corrosion resistance.
Large Minimum Pack Size (1000 sets): Standard packaging is 1000 sets per pack, which may be excessive for exploratory or low-volume research, though single components can be purchased independently.

Quality Standards & Performance Verification

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.

Shipping & Returns

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).