Microporous, LLC

Microporous, LLC Microporous operates two world-class manufacturing facilities in the U.S. and Europe.

With 80+ years of excellence, Microporous is a leading manufacturer of separators for lithium-ion and lead-acid batteries, backed by exceptional logistics and technical support. With 80+ years of excellence, we are renowned for quality and service, offering the world's broadest range of high-performance battery separators backed by exceptional logistics and technical support. In 2026, a third faci

lity will launch in Danville, Virginia, dedicated to coated lithium-ion battery separators. Together, these facilities will have the capacity to produce approximately 630 million to 1.25 billion m²/year of coated lithium-ion battery separators and 130 million m²/year of lead-acid battery separators, respectively.

⌛The countdown is on for the 2026 BCI Convention + Power Mart Expo, taking place May 3–6, and the Microporous team will ...
04/29/2026

⌛The countdown is on for the 2026 BCI Convention + Power Mart Expo, taking place May 3–6, and the Microporous team will be there.

As the battery industry continues to evolve, this event is a key opportunity to connect, exchange ideas, and explore what’s next in energy storage and innovation.

We’re looking forward to meeting with partners, customers, and industry peers to talk about how Microporous is supporting performance, reliability, and long-term value across battery applications.

If you’re attending, let’s connect. We’d welcome the opportunity to meet and start a conversation.

📍 Nashville, TN
🗓️ May 3–6, 2026
🤝 Booth 317

Customer service shouldn’t feel like a ticket system. It should feel like an extension of your engineering team.In batte...
03/25/2026

Customer service shouldn’t feel like a ticket system. It should feel like an extension of your engineering team.

In battery materials, especially microporous membranes, every application is different.

That means real support goes beyond answers and asks for collaboration.
✔️ Dialing in separator thickness
✔️ Troubleshooting electrolyte compatibility
✔️ Designing for long-term performance

Because when you're building for a 10-year battery life, the partnership behind it matters just as much.
The best results happen when a supplier becomes a partner.

The most important part of your battery might be the part you can’t even see. While the world chases the next energy mir...
03/19/2026

The most important part of your battery might be the part you can’t even see.

While the world chases the next energy miracle, the real energy transition is happening in a 20-micron space. In 2026, separators are active risk managers.

We’re moving beyond just storing energy to securing it through smarter architecture:
Thermal Resilience: Proactive safety, not just reactive.
Extended Life: Reducing degradation to keep EVs on the road longer.
Domestic Security: Strengthening U.S. supply chains with lower Scope 3 impact.

The energy transition won’t be won by chemistry alone. It will be won by the architecture inside.

What role do you think separator innovation will play in next-gen storage?

In 2026, the gap between lab results and real-world battery performance will only grow.Small variations in separator coa...
03/18/2026

In 2026, the gap between lab results and real-world battery performance will only grow.

Small variations in separator coating thickness don’t cause small problems.

They directly impact:
• Cycle life
• Safety margins
• Customer confidence

Common risks of separator variability:
• Disrupted ion flow and thermal hot spots
• Uneven aging within the same batch
• Increased risk of internal shorts

Closing the lab-to-line gap requires precision, repeatability, and tight process control—not “good enough.”

In B2B energy manufacturing, “good enough” is often the most expensive mistake.

In automotive lead-acid batteries, reliability isn’t decided by the plates.It’s decided by the separator.Modern vehicles...
03/04/2026

In automotive lead-acid batteries, reliability isn’t decided by the plates.
It’s decided by the separator.

Modern vehicles expose batteries to vibration, tight packaging, and wide temperature swings.
Without proper mechanical stability, separators allow plate contact, metal growth, and internal shorts.

High-performance separators provide:
• Mechanical isolation under vibration
• Stable ion flow during rapid charge/discharge
• Protection against metal growth over thousands of cycles

Separator selection isn’t a component decision; it’s a system-level reliability choice.

Where do you see the biggest reliability risk in today’s automotive batteries?

In stationary power systems, separator reliability is the foundation of Return on Investment.Lead-acid batteries are bui...
02/25/2026

In stationary power systems, separator reliability is the foundation of Return on Investment.

Lead-acid batteries are built to last, but generic separators can quietly turn long-term assets into liabilities, especially under extended float conditions and increased cycling.

High-performance separators deliver:

• Stable operation over 10+ years
• Uniform charge distribution
• Protection against internal shorts
• Immediate power when failure isn’t an option

As grid demands increase, the gap between standard and high-performance separators becomes the difference between uptime and outage.

How are you auditing your stationary systems for long-term reliability?

On , we recognize the battery technologies that quietly power our world.Lead batteries deliver high surge current for e...
02/18/2026

On , we recognize the battery technologies that quietly power our world.

Lead batteries deliver high surge current for engines, dependable standby power for hospitals and telecom networks, and essential energy for industrial applications. With a 99% recycling rate, they represent one of the most successful circular economy models globally.

At Microporous, we proudly support the highly sustainable lead battery industry—while also advancing separator technologies for lithium, sodium, and next-generation battery chemistries.

No matter the chemistry, batteries play a critical role in modern life. Today, we celebrate their impact—and the innovation driving what comes next. 🔋

The cheapest battery component is rarely the safest choice.When separators are treated as commodities, short-term saving...
02/12/2026

The cheapest battery component is rarely the safest choice.

When separators are treated as commodities, short-term savings often turn into:
• Scrap and rework
• Performance inconsistency
• Warranty and reputation risk

These costs don’t show up on a purchase order, but they hit margins later.

Precision-engineered separators protect yields, stabilize production, and reduce downstream risk.

Where do you draw the line between cost savings and long-term reliability?

We believe transparency builds trust, and listening to our customers is a core part of how we improve, innovate, and del...
01/12/2026

We believe transparency builds trust, and listening to our customers is a core part of how we improve, innovate, and deliver consistent results.

We recently completed a customer satisfaction survey to better understand how our service is performing.

After reviewing the results, the feedback shows strong confidence in our expertise, responsiveness, and commitment to customer success. Sharing these results helps keep us accountable and focused on what matters most.

If you’re interested in how customer feedback shapes better service outcomes, we’re always happy to continue the conversation.

Are your separators holding back your battery’s true potential?Many separator companies fall short due to poor manufactu...
01/05/2026

Are your separators holding back your battery’s true potential?

Many separator companies fall short due to poor manufacturing, leading to issues like chemical degradation, which compromise both safety and output. It’s a widespread problem in the industry.

We engineered a better solution. By combining ceramic coatings with single- or double-sided polymer binders, our separators deliver safer operation, longer battery life, and more efficient energy flow.

A battery is only as strong as its weakest component.

Address

596 Industrial Park Road
Piney Flats, TN
37686

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+14235387111

Website

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