Redwood Materials
Securing U.S. critical minerals. Powering America’s energy future.
769 employees · est. 2017 · Carson City, United States
Redwood Materials is the older company (2017 vs 2020); Redwood Materials is the larger of the two.
1 signal in the last 90 days
Side-by-Side Comparison
| Metric | Redwood Materials | theion |
|---|---|---|
| Founded | ||
| Founded | 2017 older | 2020 |
| Headquarters | ||
| Headquarters | Carson City, United States | Berlin, Germany |
| Employees | ||
| Employees | 769 larger | 35 |
| Industry | ||
| Industry | Not tracked yet | Energy Storage |
| Funding Stage | ||
| Funding Stage | Series E | Corporate Round |
| Total Funding | ||
| Total Funding | $3.52B | Not tracked yet |
| Funding Rounds | ||
| Funding Rounds | 8 | 2 |
| Services | ||
| Services | Design and integration of energy storage systems, Deployment of energy storage solutions, Recycling of end-of-life batteries, Securing critical mineral resources | Battery Development and Manufacturing, Research and Development of Crystal Battery Technology, Integrated Energy Storage Solutions, Battery Recycling Solutions, Consultation for Industrial Applications |
| Target Customers | ||
| Target Customers | Data Centers, National Grid, Automobile Manufacturers, Technology Companies, Energy Corporations | Electric Vehicle Manufacturers, Aerospace Companies, Residential and Commercial Energy Storage Clients, Air Mobility Enterprises, Grid and Industrial Energy Solutions Providers |
| Taxonomy | ||
| Taxonomy | Critical Minerals, Large-scale Energy Storage, Lithium-ion Batteries, Recycling, Circular Supply Chain, Battery Materials, Electric Vehicles, Sustainable Energy Storage, Anode Production, Cathode Production, End-of-life Battery Recycling, Energy Dominance, Advanced Batteries, Next-generation Energy Storage, Battery Component Manufacturing | Lithium-Sulfur Batteries, Crystalline Battery Technology, Energy Storage Solutions, Electric Mobility Batteries, Aviation Energy Solutions, Space Application Batteries, Portable Electronics Batteries, Sustainable Materials, Sulfur-Based Chemistry, High Energy Density, Low CO₂ Footprint, Nickel-free And Cobalt-free, Battery Safety, Non-Flammable Batteries, Battery Manufacturing Innovation |
| Website | ||
| Website | redwoodmaterials.com | theion.de |
About Redwood Materials
Redwood Materials, founded in 2017, is building a strategic reserve of critical materials in the United States, key to powering the nation's energy future. Spearheaded by JB Straubel, a notable figure in the industry, the company boosts domestic production of essential components like lithium, nicke...
About theion
theion, founded in 2020 and headquartered in Germany, is a deep-tech company at the forefront of energy storage innovation. Its core focus lies in the utilization of crystalline lithium-sulfur battery technology, which promises to revolutionize the industry by making energy storage lighter, cleaner,...
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Funding, hiring, leadership and stack changes at Redwood Materials and theion — by email.
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Compiled from the BounceWatch company index. We last looked at Redwood Materials on 18 May 2026, and theion on 14 May 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.