Engineered components designed to meet the strict containment, dry room compatibility, and safety standards of lithium-ion battery manufacturing environments.
The global transition toward electric vehicles (EVs) has triggered an unprecedented expansion of lithium-ion battery manufacturing capacity. Gigafactories worldwide are scaling up production to meet the demands of automotive OEMs. However, producing high-energy-density lithium-ion batteries requires strict control over environmental conditions. The active materials used in battery electrodes—such as lithium compounds, cobalt, nickel, manganese, and graphite—are highly sensitive to humidity, particulate contamination, and cross-contamination.
In the production of automotive lithium batteries, the dispensing and weighing of raw powders represent the first line of defense. Any exposure of these raw materials to ambient moisture can compromise electrochemical performance, shorten battery lifecycle, and even trigger thermal runaway hazards. Consequently, integrating specialized Cleanroom Dispensing Booths is essential for maintaining dry room standards (often requiring dew points below -40°C to -60°C) while ensuring operator safety and material purity.
Unpacking the critical operational requirements for handling hazardous battery powders under laminar flow systems.
Active cathode materials (NMC, LFP) and chemical binders can pose health risks to operators if inhaled. Dispensing booths utilize a downflow design that draws airborne dust away from the operator's breathing zone, ensuring Occupational Exposure Band (OEB) compliance.
Lithium battery materials degrade rapidly when exposed to humidity. Dispensing booths are engineered to integrate seamlessly with dry room desiccant dehumidification systems, preventing moisture ingress during powder handling.
Fine powder suspensions can create combustible dust environments. K-STONE dispensing booths incorporate explosion-proof motors, lighting, and static-dissipative surfaces to mitigate ignition hazards in automotive manufacturing lines.
During the dispensing phase, bulk containers of active materials are opened, sampled, and weighed to prepare specific slurry batches. The dispensing booth provides a unidirectional laminar flow of HEPA-filtered air that sweeps down over the work area. This air barrier prevents ambient particulates from entering the material containers while containing hazardous dust generated during scoop-transfer processes. The recirculated air passes through multi-stage filtration—typically a combination of pre-filters, medium-efficiency filters, and terminal HEPA/ULPA filters—before being returned to the cleanroom or dry room environment.
To withstand the abrasive nature of battery powders and the dry, chemical-laden atmospheres of gigafactories, dispensing booths must feature robust structural designs. Stainless steel (SUS304 or SUS316L) is the standard material for internal walls and work surfaces due to its high corrosion resistance and ease of sanitation.
How Industry 4.0 and sustainable engineering are shaping the next generation of battery dispensing booths.
As battery manufacturers strive for higher throughput and reduced operational costs, automation is becoming standard. Modern dispensing booths are designed to accommodate automated powder dosing systems and robotic arms. This minimizes human intervention, thereby reducing contamination risks and protecting operators from toxic chemical exposure.
Furthermore, energy efficiency is a major focus. Dry rooms require substantial energy to maintain ultra-low dew points. Dispensing booths equipped with smart variable frequency drives (VFDs) can adjust airflow based on real-time usage, reducing energy consumption when the booth is idle. Recirculation loops are optimized to return dry air directly to the dehumidifier intake, reducing the load on the facility’s primary HVAC systems.
K-STONE Cleanroom System Engineering (Suzhou) Co., Ltd. is a professional cleanroom system supplier specializing in the design and construction of cleanroom engineering projects. With nearly 20 years of industry experience, our core team brings extensive expertise and deep understanding of cleanroom technologies and standards.
Founded in 2012, K-STONE has positioned itself as a trusted partner offering complete cleanroom solutions—from conceptual design to system integration and execution. We serve a wide range of industries, including pharmaceuticals, biotechnology, electronics, and medical applications, with a strong focus on tailored engineering services that meet the specific needs of each client.
At K-STONE, we are committed to creating value for our customers. Our services include engineering consultation, layout design, construction, and cleanroom system commissioning and operation, ensuring a seamless project delivery experience.

Established in 2019, Zhejiang Ailv Purification Technology Co., Ltd. is K-STONE’s dedicated manufacturing arm, located in Meixi Industrial Park, Anji, Zhejiang Province. The facility spans 30 acres with a self-built factory of approximately 30,000 square meters.
The factory is equipped with state-of-the-art production lines and testing equipment, enabling high-precision manufacturing of cleanroom components including:
Our products are widely applied in biomedical, food processing, electronics, semiconductors, new energy, and medical aesthetics industries. By integrating design, production, and quality control, we ensure high-performance, reliable cleanroom solutions for global customers.
To become a leading force in the global cleanroom industry. K-STONE is committed to driving innovation and setting new benchmarks in clean environment engineering.
Quality first, pursuit of excellence. We strive to deliver high-performance cleanroom solutions through uncompromising quality and continuous improvement.
Professionalism. Dedication. Customer Value. We are driven by a strong sense of responsibility, expertise, and the belief that our success is measured by the value we create for our clients.
At K-STONE, we go beyond supplying products—we deliver confidence, innovation, and long-term value.

Our rigorous quality standards and attention to detail ensure every product and project meets international compliance and client expectations.

We invest heavily in the research and development of new products, technologies, and materials to stay at the forefront of the cleanroom industry.

We have a highly experienced team specializing in cleanroom design, construction, and execution—ensuring efficiency, compliance, and reliable performance.
K-STONE offers fully integrated engineering solutions for pharmaceutical and medical manufacturing plants around the world. Our turnkey capabilities cover every critical aspect of facility development, including:

We understand that each project must meet stringent regulatory requirements across different countries while adapting to the specific operational needs of each client. By providing customized, regulation-compliant turnkey solutions, K-STONE empowers manufacturers to achieve high performance, global compliance, and strong industry recognition.
Feasibility Research
Set Up The Project
Concept Design
Project Accounting
Contract Signing
Production Technology Transferring
Construction Design
Equipment Model Selection & Customization
Previous Preparation
Construction And Management
Completion Approval
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