Industrial Cleaning for EV Battery Facilities
CXP Solutions provides specialized industrial cleaning, passivation, and commissioning services for lithium-ion battery manufacturing facilities. From solvent distribution lines to electrolyte systems, slurry piping to coolant loops—we prepare your critical process systems for safe, contamination-free operation.
⚡ EV Battery Cleaning Capabilities
Why EV Battery Facilities Require Specialized Cleaning
Lithium-ion battery manufacturing represents one of the most contamination-sensitive industrial processes in modern manufacturing. Unlike traditional automotive or chemical processing, battery cell production operates with tolerances measured in parts-per-million, where microscopic particulate can cause cell failures, thermal events, or catastrophic quality escapes.
The rapid expansion of EV battery manufacturing across North Carolina and the Southeast has created unprecedented demand for specialized cleaning services. Facilities like Toyota Battery Manufacturing North Carolina in Liberty, NC represent billions of dollars in capital investment—systems that must be commissioned correctly the first time.
Contamination Risk
Metallic particles as small as 20 microns can cause internal short circuits in lithium-ion cells, leading to thermal runaway, fires, or recalls affecting thousands of vehicles.
Solvent System Sensitivity
NMP (N-Methyl-2-pyrrolidone) and other battery solvents require specialized handling. Cross-contamination between solvent systems creates fire, health, and quality risks.
Electrolyte Compatibility
Electrolyte systems are extremely sensitive to moisture and particulate. Even trace water contamination can react with lithium salts, generating hydrofluoric acid.
EV Battery Manufacturing in North Carolina
EV Battery Facility Systems We Clean
From electrode coating lines to thermal management systems, CXP provides specialized cleaning across the entire battery manufacturing process chain
Solvent Distribution Lines
Cleaning and commissioning of NMP, DMAC, and other solvent distribution systems. Preparation for solvent circulation while maintaining strict contamination control.
Slurry Piping Systems
Pre-commissioning cleaning of cathode and anode slurry transfer lines. Removal of fabrication debris, weld particulate, and contamination affecting electrode quality.
Electrolyte Transfer Systems
Ultra-clean preparation of electrolyte fill lines, storage vessels, and transfer piping. Moisture elimination and particulate removal to specification.
Thermal Management Loops
Flushing and passivation of glycol-based cooling systems, chilled water loops, and temperature control piping serving dry rooms and process equipment.
Dry Room Support Systems
Cleaning of stainless steel piping, ductwork supports, and utility systems serving ultra-low humidity dry room environments critical to cell assembly.
DI/Process Water Systems
Commissioning cleaning of deionized water generation, storage, and distribution systems used throughout battery manufacturing operations.
Solvent System Support: The CXP Method
CXP Solutions takes a specialized, safety-first approach to NMP and solvent system work. We do not circulate NMP or other hazardous solvents through our standard cleaning equipment. Instead, we provide turnkey recirculation loop installation that enables your facility team to safely circulate solvents through newly cleaned and passivated lines.
This approach eliminates cross-contamination risk between projects, protects our equipment from solvent degradation, and ensures your facility maintains full control over solvent handling per your environmental and safety protocols.
We install temporary recirculation loops with appropriate pumps, filtration, and instrumentation. Once connected, your trained personnel circulate NMP or other solvents per your procedures while we monitor flow, temperature, and system parameters. After completion, we remove the temporary equipment and document the results.
This method has been successfully deployed at Toyota Battery Manufacturing North Carolina in Liberty, NC, where we configured recirculation loops on four separate solvent lines during commissioning.
Why We Don't Use Standard Equipment for NMP
NMP (N-Methyl-2-pyrrolidone) is a powerful solvent that attacks seals, gaskets, and certain polymers over time. Using standard CIP equipment on NMP systems would create:
- Cross-contamination risk to future projects
- Equipment degradation and seal failures
- Environmental disposal complications
- Worker exposure during equipment cleaning
- Liability transfer between facilities
- Voided warranties on pumps and instruments
The CXP solution: Purpose-configured recirculation systems that remain with or are returned clean to the facility, eliminating cross-contamination and maintaining our zero-incident safety record.
EV Battery Facility Cleaning Workflow
Systematic approach ensuring contamination-free commissioning of critical battery manufacturing systems
System Assessment & Planning
Detailed review of P&IDs, material specifications, and commissioning requirements. Identification of system boundaries, isolation points, and cleaning sequences. Coordination with facility EHS and operations teams.
Pre-Cleaning & Degreasing
Alkaline degreasing to remove fabrication oils, cutting fluids, preservatives, and organic contamination. Temperature-controlled circulation at 140–160°F for optimal degreasing performance.
High-Velocity Flushing
Turbulent flow flushing at 5–10 ft/sec to mobilize and remove construction debris, weld slag, pipe scale, and particulate matter. Progressive filtration from 100μm down to final target.
Passivation (Stainless Systems)
Citric acid passivation per ASTM A967 to remove free iron, restore the chromium oxide layer, and create corrosion-resistant surfaces. Controlled time/temperature cycles based on alloy grade.
Recirculation Loop Configuration (Solvent Lines)
For NMP and solvent systems: installation of purpose-built recirculation loops with compatible pumps, filtration, and instrumentation. System handoff to facility personnel for solvent circulation per their procedures.
Final Rinse & Verification
High-purity water rinse cycles until conductivity, pH, and particulate specifications are achieved. Visual inspection, surface verification testing, and system drying as required.
Documentation & Turnover
Complete commissioning documentation package including executed procedures, chemical lot traceability, time/temperature logs, rinse water analysis, filter inspection records, and final acceptance signatures.
Project Spotlight: Toyota Battery Manufacturing NC
Liberty, North Carolina — Solvent Line CommissioningProject Scope
- Four separate NMP solvent distribution lines
- Recirculation loop installation on each line
- Pre-commissioning cleaning and preparation
- Coordination with Toyota facility team
- Support during solvent circulation phases
- System monitoring and parameter documentation
- Final verification and equipment removal
Project Outcomes
CXP's Approach: Rather than using standard equipment on NMP systems, we installed dedicated recirculation loops that Toyota's trained personnel used to circulate solvent per their procedures. This method maintained full safety compliance, eliminated cross-contamination risk, and provided Toyota complete control over solvent handling throughout the process.
Ready to Discuss Your EV Battery Project?
CXP Solutions provides specialized industrial cleaning, passivation, and commissioning services for lithium-ion battery manufacturers across the Southeast. From solvent system preparation to coolant loop commissioning, we deliver contamination-free results with complete documentation.