Vietnam’s lithium-ion battery and electric vehicle (EV) manufacturing industry is experiencing rapid growth, placing extremely stringent demands on purity and process stability. One of the major challenges is the transfer of electrode slurries (cathode/anode slurry), which are highly sensitive and susceptible to contamination by metallic particles such as copper, iron, and zinc¹. Even the slightest contamination can degrade the quality, lifespan, and safety of the finished battery cell.
Understanding this pain point, Thái Khương Pumps – acting as the sole authorized distributor of the SANDPIPER brand in Vietnam – offers a specialized pump solution designed specifically to address this challenge comprehensively. SANDPIPER air-operated diaphragm pumps (AODD) are not merely equipment — they represent a commitment to purity and efficiency for your production line.
Why Is Pump Selection a “Critical” Factor in Lithium-Ion Battery Manufacturing?
In a high-precision production process, every detail matters. In battery manufacturing, a pump does not merely transport fluid — it also serves as the “guardian” protecting product integrity.
- Risk of metallic contamination: Conventional pumps may contain components made from copper, iron, or zinc. When in contact with the slurry, leaching of these metallic particles causes undesired chemical reactions that directly affect battery performance.Shear-sensitive product: The slurry is a complex mixture of active material, binder, and solvent. Using pumps that generate excessive shear force can disrupt the structure of the mixture, reducing the quality of the electrode coating.
SANDPIPER: A Specialized Solution Engineered to Prevent Contamination
As the inventor of AODD pump technology, SANDPIPER understands the most stringent requirements. The company has developed a specific pump configuration for the lithium battery industry, focused on addressing the core issues.
Pure Material Construction
To ensure battery integrity, SANDPIPER can manufacture AODD pump lines with strictly compliant materials, free of contaminants such as copper, iron, and zinc. Preferred materials for this application include:
- Stainless Steel pump body: Corrosion-resistant, ensuring high cleanliness levels.
- Polypropylene (PP) plastic pump body: Chemically inert with many types of solvents, making it a suitable choice for chemical applications in the process.
Gentle Operation, Preserving Slurry Structure
The operating principle of air-operated diaphragm pumps (AODD) is inherently gentle, making them well-suited for pumping shear-sensitive products. This is critically important when mixing and transferring slurry, solvent, and binder for battery manufacturing.
Application Positions of SANDPIPER Pumps in the Battery Production Line
SANDPIPER pumps are a key component throughout the Cathode/Anode electrode and battery manufacturing process. Their durability and versatility help maintain continuous plant operation. Key application positions include:
- Raw material transfer: Transferring active material, binder, and solvent (NMP) into the mixing tank.
- Slurry circulation and transfer: Circulating within the mixing tank and transferring completed Cathode/Anode slurry to buffer tanks.
- Feed for downstream processes: Pumping slurry through a filter and precisely feeding the coater.
SANDPIPER’s Proprietary Technologies That Create a Difference
Beyond addressing contamination, SANDPIPER pumps deliver notable operational advantages that help optimize total cost of ownership.
ESADS+ Air Valve System: Maximizing Uptime
The air valve is the most frequently maintained component on an AODD pump. With the genuine ESADS+ design, engineers can service and repair the entire air valve in just 5 minutes in place without removing the pump from the system. By comparison, competing pumps may require 55 minutes or more. This saves cost and maximizes production line uptime.
Energy Efficiency and Flow Rate Performance
- Compressed air savings: The S30 pump line requires up to 56% less compressed air to operate, reducing demand on the compressed air system and cutting operating costs.
- High flow rate: The S20 line achieves a maximum flow rate up to 32% higher, enabling faster completion of transfer tasks.
Proven Durability
SANDPIPER Signature pump lines stand behind the quality of their products with strong commitments:
- 5-year warranty: A 5-year warranty policy covering material and workmanship defects.
- Ultra-durable diaphragm shaft: Guaranteed not to bend or deform under mechanical load, enhancing reliability.
Thái Khương Pumps – Strategic Partner and Authorized SANDPIPER Distributor in Vietnam
With 18 years of experience in the industrial pump sector, Thái Khương Pumps is more than just a supplier. We position ourselves as solution experts and strategic partners to our customers. When you choose Thái Khương, you receive:
100% Assurance: A commitment to genuine products with clear origins and genuine SANDPIPER-standard spare parts. This is the key factor in protecting against counterfeit and unverified products on the market.
In-depth technical consultation: Our technical team does more than sell products. We “listen to the problem before offering an answer”, helping you select the right pump configuration and the most suitable materials for each specific chemical and application.
Technical support and ready inventory: We understand that time is of the essence. With a diverse inventory of pump sizes and spare parts, along with our dedicated service team (TKS), Thái Khương Pumps is ready to respond quickly to all your requirements.
Does your battery production line demand high standards of cleanliness and reliability? Are you looking to eliminate contamination risks that could affect final product quality?
Let the solution experts at Thái Khương Pumps help you diagnose and prescribe an effective SANDPIPER pump solution.
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