celgard.com
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Celgard: The Invisible Engine Behind the Battery Revolution
A $242M membrane tech leader quietly powering the world's energy transition.
While the world obsesses over battery gigafactories and cell chemistry, the real bottleneck—and opportunity—lies in the microscopic separator. Celgard isn't just making membranes; they're engineering the critical barrier that determines safety, performance, and longevity for lithium-ion batteries.
"In the battery race, the separator is the unsung hero—and Celgard has been mastering this craft for decades."
The Stealth Growth Playbook
Celgard's traffic profile reveals a mature, B2B industrial player. With only 2,593 monthly visits and a global rank of #5.9M, they're not chasing eyeballs—they're capturing contracts. The 44% direct traffic indicates strong brand recall among engineers and procurement teams, while 35% organic search shows they're top-of-mind for specific technical queries like 'celgard thickness' (170 monthly searches) and 'celgard 2500' (40 monthly searches). This isn't mass-market branding; it's precision targeting.
Niche Domination Strategy
The keyword data tells a story of deep technical specialization. When engineers search for '2500-1280m-b cellgard' (190 monthly searches), they're not window shopping—they're sourcing specific specs. Celgard dominates these high-intent, low-volume searches that translate directly to sales. This is the playbook for industrial B2B: own the technical keywords that matter, convert searchers into customers, and let revenue scale without needing viral traffic.
The tech stack reveals a modern but pragmatic approach. They're using Ruby on Rails for backend development, Tailwind and Bootstrap for frontend efficiency, and have implemented robust tracking with Google Analytics and Tag Manager. The presence of AccessiBe suggests compliance focus, while HSTS indicates security consciousness. This isn't a legacy behemoth stuck in the past—it's a company building for scale.
- Global leader in lithium-ion battery separators with $242M in revenue
- Strategic keyword ownership of technical specifications (not just brand terms)
- Strong direct traffic (44%) indicating established B2B relationships
- Modern tech stack balancing performance with development efficiency
The Real Battery Play Isn't in the Cells
Celgard proves that owning a critical component in the supply chain can be more valuable than being a headline-grabbing startup.
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https://www.celgard.com/
Meta Tags
Membrane Technology | Membrane Systems World Leader in Battery Separator Technology | Celgard
Celgard is a global leader in the development and production of high-performance membrane technology. Our products are used in a broad range of energy storage and other barrier-type applications, including lithium-ion batteries, lithium primary and other
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About celgard.com
Celgard is a global leader in the development and production of high-performance membrane technology. Our products are used in a broad range of energy storage and other barrier-type applications, including lithium-ion batteries, lithium primary and other
Company Overview
celgard.com Social Media
Technology Stack
celgard.com uses 10 technologies across their website including AccessiBe, Google Fonts, HSTS, and more.
Accessibility
AccessiBe
Fonts
Google Fonts
Security
HSTS
Backend Frameworks
Ruby on Rails
Analytics & Marketing
Google Tag Manager, Google Analytics
Web Standards
Twitter Cards
Traffic & Audience
celgard.com receives approximately 2.6K monthly visitors and ranks #5,919,507 globally. The website has a bounce rate of 33% with visitors viewing an average of 2.0 pages per visit. Users spend an average of 1:13 on the site.
The majority of celgard.com's traffic comes from .
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This page provides publicly available information about celgard.com. Data is collected from various public sources and may not always be up to date. For the most accurate information, please visit celgard.com directly at https://celgard.com.