Redwood Materials Revolutionizes Energy Storage and Recycling

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Redwood Materials is leading the charge in energy storage and recycling. The company's innovative approach is making a significant impact in the industry.

Redwood Materials is founded by J.B. Straubel, the co-founder of Tesla. Straubel's experience in electric vehicles has given him a unique perspective on the need for sustainable energy storage solutions.

Redwood Materials is working to revolutionize the way we recycle lithium-ion batteries. The company is developing a process to extract valuable materials like lithium, nickel, and cobalt from discarded batteries.

This process has the potential to significantly reduce waste and the demand for primary materials.

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Products and Services

Redwood Materials produces higher-value battery components like cathode active material (CAM) and copper foil for anodes, which are two of the most expensive and technically demanding inputs in EV battery cells.

The company manufactures CAM in-house, converting refined metals into a precise blend of lithium, nickel, manganese, and cobalt, each meeting strict purity and particle size specifications.

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Credit: youtube.com, Redwood Materials Largest U.S. Battery Recycler & Producer

Redwood's CAM business was responsible for most of its revenue in 2024, and by 2028, the company expects to increase the material's manufacturing capacity to power over 1.3 million EVs annually.

The company also produces copper foil by reclaiming and processing copper scrap, which serves as the conductive base for the negative electrode and must be manufactured to sub-micron tolerances.

Redwood's launch of copper foil production marked the first time this material has ever been manufactured in the US, specifically for use in lithium-ion batteries.

The company sells intermediate products and fully refined outputs, such as cathode active material and copper foil, back to battery manufacturers.

Redwood's recycling and refining process reportedly recovers 95% of key battery elements and raw materials, including copper, cobalt, and nickel.

Product

Redwood Materials produces four key parts for lithium-ion batteries: the anode, cathode, separator, and electrolyte. The anode is made of copper and graphite, which influences the battery's charging performance.

A well-designed modern kitchen with redwood cabinets and sleek appliances.
Credit: pexels.com, A well-designed modern kitchen with redwood cabinets and sleek appliances.

The cathode is made of lithium, nickel, and cobalt, and it represents a substantial part of a battery's cost. The electrolyte is usually a lithium salt in an organic solvent.

The separator is designed as a barrier to keep the anode and cathode apart and is comprised of synthetic resin. Redwood Materials is working to improve the efficiency of battery production.

Redwood's refining operations feed directly into its manufacturing processes, where it produces higher-value battery components like cathode active material (CAM) and copper foil for anodes. These are two of the most expensive and technically demanding inputs in EV battery cells.

The cathode is built from a precise blend of lithium, nickel, manganese, and cobalt, each of which must meet stick purity and particle size specifications. Redwood manufactures this powder in-house, converting refined metals into CAM that can be directly integrated into battery cell production.

Redwood produces copper foil by reclaiming and processing copper scrap. These foils serve as the conductive base for the negative electrode and must be manufactured to sub-micron tolerances.

Customer

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Redwood Materials serves customers on both sides of its operation: those in the market for receiving recyclable materials, and those producing new materials.

The company's known partners for receiving recyclable materials include Panasonic, Envision AESC, Amazon, Ford, Volvo, the Volkswagen Group (including Audi), Toyota, Lyft, and ERI, an e-waste recycler.

A small percentage of people do send their old electronics to e-waste recyclers, but Redwood Materials believes educating consumers and making it easier for them to hand over electronics is important.

The company offers free shipping to encourage consumers to recycle their old electronics.

Redwood Materials provides chemicals and battery materials to manufacturers like Panasonic, which supplies batteries for Tesla.

In 2022, Redwood Materials and Panasonic created a partnership to begin providing cathode materials to Panasonic's new Kansas factory, which opened its doors in July 2025.

The company's Energy division, launched in 2025, repurposes EV batteries into stationary grid infrastructure.

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Redwood Materials' first deployment powers an AI data center operated by Crusoe, using over 800 second-life battery packs.

In July 2025, GM deepened its relationship with Redwood by contributing used and unused battery packs to support similar storage installations.

Redwood partnered with Caterpillar to recycle batteries from its fully electric R1700 XE underground loaders, recovering high-value metals like lithium and nickel.

Energy Storage

Redwood Materials has launched a dedicated energy storage business, repurposing retired EV batteries into grid-scale storage systems. This business is a natural extension of the company's closed-loop ambitions, aiming to extract more value from each battery it touches.

The company's energy storage division, Redwood Energy, was launched in June 2025 and has already achieved significant milestones. Redwood Energy's first deployment powers an AI data center operated by Crusoe at Redwood's Nevada facility.

This installation uses over 800 second-life battery packs and delivers 12 megawatts of power with 63 megawatt-hours of capacity, backed by an adjacent solar array. As of October 2025, this microgrid was the largest of its kind in North America.

Credit: youtube.com, Battery Startup Redwood Materials Tops $6 Billion Valuation

Redwood keeps the battery packs intact and integrates them into unified storage arrays, extending battery life and addressing a bottleneck in clean energy infrastructure. By storing intermittent power from solar and wind, the company is helping to make renewable energy more viable.

In July 2025, General Motors expanded its collaboration with Redwood to include both used and unused battery packs for stationary storage projects. This arrangement gives GM a productive outlet for surplus or lightly used inventory.

Redwood aims to deploy 20 GWh of storage capacity by 2028, which would make it the largest second-life battery storage provider in North America. If successful, this energy business could outpace Redwood's core recycling segment in revenue and infrastructure relevance.

Market and Competition

Redwood Materials faces stiff competition in the battery recycling landscape, with several direct competitors vying for market share.

The biggest competition to Redwood Materials is mining, which poses a threat to the demand for lithium-ion batteries being filled by recycling.

Governments around the world are committing billions to increase the supply of necessary metals, driven by the ever-increasing demand for electrification.

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Target Markets

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Redwood Materials targets the Electric Vehicle (EV) industry, providing recycled materials for EV battery production to meet the growing demand for sustainable transportation solutions.

The company's focus on the EV industry is a key differentiator, as it addresses a critical need in the market. Redwood Materials has already established partnerships with automakers such as Ford and Volkswagen, ensuring a steady demand for recycled battery materials.

Redwood Materials also targets the Consumer Electronics market, recycling batteries from devices like smartphones and laptops, and offering sustainable materials for electronics manufacturers. This diversification of revenue streams helps to reduce dependence on a single market.

As of October 2025, the company is exploring opportunities in Asia, a region with significant potential for growth, particularly in the manufacture of battery components.

Market Size

The lithium-ion battery market is expected to reach $135 billion by 2031, driven by the electrification of vehicles and homes.

Redwood Materials is positioned to capitalize on this growth, particularly in the EV segment, where sales are expected to account for 58% of car sales by 2040.

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The market for recycled lithium-ion batteries was worth $6.5 billion in 2022 and could reach $18 billion by 2030, presenting a substantial expansion opportunity for Redwood.

In the US, the battery recycling market is expected to reach over 125 GWh of recoverable material by 2035, primarily driven by EV retirements and factory scrap.

Redwood is also entering the stationary energy storage market through its new division, Redwood Energy, which is growing rapidly due to increasing demand from data centers, renewable energy providers, and utilities.

The US grid added 10.4 GW of battery storage in 2024 alone, and is forecast to deploy over 130 GWh per year globally by 2030, creating a significant market for Redwood's second-life capacity.

Competition

Redwood Materials faces stiff competition in the battery recycling landscape, with several direct competitors vying for market share.

Governments around the world are committing billions to increase the supply of necessary metals, driven by the ever-increasing demand for electrification.

Mining is a significant competitor to Redwood Materials, as it poses a possibility that demand for lithium-ion batteries will be filled by resource extraction rather than recycling.

Redwood Materials' competitive edge is its vertically integrated approach, which combines battery recycling with advanced materials manufacturing.

Partnerships and Expansion

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Redwood Materials is forming partnerships with major players in the EV industry, including Amazon, which is also invested in Rivian, an EV truck company. This partnership provides a significant source of growth for Redwood Materials.

Amazon's investment in Rivian, combined with new US tax credits for EV manufacturers, creates a beneficial environment for Redwood Materials to work with EV companies. These tax credits provide benefits to those that source their materials domestically, which is difficult for batteries, whose materials are largely mined overseas.

Redwood Materials is also exploring partnerships with factories that build smartphones, smartwatches, laptops, and other devices, which require batteries. Additionally, governments around the world are pushing for grid-scale energy storage, which helps prevent blackouts and loss of renewable energy.

Battery & Auto Manufacturer Partnerships

Redwood Materials has existing relationships with major players in the industry, such as Panasonic, Tesla's battery supplier. This partnership provides a significant source of growth.

Credit: youtube.com, How Do OEMs Collaborate With Battery Manufacturers for EVs? | Electric Vehicle Insiders News

Amazon, one of Redwood Materials' early investors, is also a large investor in Rivian, an EV truck company. This connection can benefit Redwood Materials as it allows EV companies to take advantage of US tax credits for EV manufacturers that source their materials domestically.

Redwood Materials is not limited to EVs, as batteries are also required for 21st-century innovations like smartphones, smartwatches, and laptops. Governments around the world are pushing for grid-scale energy storage, which helps prevent blackouts and loss of renewable energy.

The company is exploring opportunities in renewable energy storage and industrial applications, where battery recycling plays a critical role. Redwood Materials has already recycled 20 gigawatt-hours worth of material in 2024, enough to produce another 250,000 EVs.

Redwood Materials' partnerships with factories and manufacturers can help reduce shipping costs by co-locating operations. For example, if a Rivian partnership became successful, Redwood Materials could place a site near the Rivian plant in Illinois to reduce shipping costs.

Redwood Materials is also working with GM to deploy second-life EV batteries and new batteries in energy storage systems, delivering fast, flexible power solutions and strengthening America's energy and manufacturing independence.

Entering Foreign Markets

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Expansion into foreign markets is crucial for Redwood Materials' ongoing viability. International expansion is a key opportunity for the company, which currently operates in North America and Europe as of October 2025.

Redwood Materials has already made significant strides in expanding its operations, starting with Europe in February 2022. This move was a direct response to the company's 2021 statement highlighting Europe as a key growth area.

Europe is the fastest growing EV market globally, with an increasing commitment from automakers. In fact, 1000 GWh battery cell production is planned in the EU to support EV sales that are expected to account for nearly 30% of total passenger cars by 2025.

Asia remains an opportunity for Redwood to expand its business as of October 2025. The company's CEO, Straubel, identified Asia as the company's third most important growth area in 2021.

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Challenges and Opportunities

Redwood Materials is a company that's making waves in the field of battery recycling. They're working to create a more sustainable future by recycling lithium-ion batteries.

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One of the biggest challenges in the li-ion battery recycling market is the lack of infrastructure to handle the growing number of retired batteries. This is an opportunity for companies like Redwood Materials to step in and provide a solution.

The future of li-ion battery recycling looks bright, with companies like Redwood Materials leading the way.

Uncertainty Around Federal Support

Redwood Materials has benefited from a $2 billion loan from the Department of Energy to build out its South Carolina battery materials campus.

This financing package constitutes over half of the company's capital stack, highlighting the significant federal support the company has received.

The "One Big Beautiful Bill" signed into law in July 2025 has introduced material headwinds for Redwood Materials.

The bill accelerates the phase-out of key tax credits, eliminates transferability, and imposes aggressive construction deadlines, which is likely to slow industry momentum and shrink the addressable market for battery materials.

Certain provisions like 45X remain in place and could favor domestic suppliers, but the broader contraction in federal incentives is a significant concern for the industry.

Inability to Optimize Operations

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Credit: pexels.com, Tranquil forest pathway surrounded by towering redwoods and vibrant green ferns.

Optimizing operations is a crucial aspect of any business, but Redwood Materials faces a unique challenge. Their processes are innately challenging to streamline due to the unusual inputs they receive, such as electric toothbrushes and large vehicular batteries.

This makes mining the cheaper option, at least for now. Mining remains the more affordable choice.

The company's inability to optimize operations could limit their ability to lower prices, making it harder for customers and the broader market to benefit. If operations can't be streamlined, the price may never come down to a competitive point.

Streamlining production and reducing the time and capital required for battery breakdown and production could lead to increased demand for lower prices, which would eat away at the company's margins.

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Redwood Materials operates within a rapidly growing industry that's projected to reach $87.41 billion by 2030. This growth is driven by the increasing adoption of electric vehicles, rising concerns over battery waste disposal, and stricter government regulations promoting recycling practices.

Credit: youtube.com, How Used EV Batteries Are Being Turned Into Data Centers To Power AI

The battery recycling industry is a key focus area for Redwood Materials, which emphasizes closed-loop supply chains to reduce reliance on newly mined resources and minimize environmental impact.

The company's investments in research and development have enabled the development of cutting-edge recycling processes that improve efficiency and sustainability. These technological advancements are a significant factor in Redwood's success.

Redwood Materials plans to expand into Europe, leveraging the EU's aggressive electric vehicle adoption targets and strict recycling requirements. This strategic move will help the company tap into new markets and increase its global presence.

Redwood Materials has formed strategic partnerships with automakers and electronics manufacturers, ensuring consistent demand for recycled materials while fostering innovation across industries.

Investors and M&A

Redwood Materials has attracted a significant amount of investment from major players in the industry. Notable investors include Goldman Sachs, Ford, Amazon, Rowe Price, Bill Gates' Breakthrough Energy Ventures, Fidelity, and the Microsoft Climate Innovation Fund.

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Redwood Materials is a privately held company, which allows it to maintain control over its strategic decisions and long-term goals without the pressure of meeting short-term financial targets. This is in contrast to publicly traded companies, which are often driven by quarterly earnings and short-term gains.

The company has been able to secure significant funding, with over $100 billion invested in EV and battery supply chain M&A deals in 2023. This reflects the industry's focus on electrification and sustainability, driven by global commitments to net-zero emissions and tighter environmental regulations.

Here are some of the notable investors in Redwood Materials:

  • Goldman Sachs
  • Ford
  • Amazon
  • Rowe Price
  • Bill Gates’ Breakthrough Energy Ventures
  • Fidelity
  • Microsoft Climate Innovation Fund

Valuation

Redwood Materials has raised over $4 billion in total funding as of October 2025, with a significant portion coming from a $2 billion Department of Energy loan in February 2025.

The company's valuation has skyrocketed, with a recent Series E round valuing it at over $6 billion in October 2025, led by Eclipse and featuring Nvidia as a new strategic investor.

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This valuation is a significant increase from August 2023, when Redwood Materials was valued at $5.3 billion.

Redwood Materials' revenue multiple is estimated to be around 30x, based on its 2024 revenue of $200 million and its current valuation.

In comparison, publicly-traded companies like Albemarle Corporation, Glencore, and LG Chem, which operate at a much larger scale, have revenue multiples ranging from 0.4x to 2.7x as of October 2025.

Major Investors

Redwood Materials has secured funding from some of the biggest names in the industry. Goldman Sachs is one of the notable investors, along with Ford and Amazon.

These investors have put their trust in Redwood Materials, which is a testament to the company's innovative approach to recycling and sustainability. Bill Gates' Breakthrough Energy Ventures is also on board, bringing a wealth of experience in clean energy and technology.

Here are the major investors in Redwood Materials:

  • Goldman Sachs
  • Ford
  • Amazon
  • Rowe Price
  • Bill Gates’ Breakthrough Energy Ventures
  • Fidelity
  • Microsoft Climate Innovation Fund

M&A Activity in Similar Companies

M&A activity in similar companies is on the rise, with notable deals in the battery recycling and energy storage sectors. In January 2025, Hydro acquired the remaining shares of Hydrovolt, a battery recycling company, for NOK 78 million (~$7 million).

Credit: youtube.com, Mergers and Acquisitions Explained: M&A Process Secrets Revealed! (Step by Step)

Hydrovolt focuses on EV and industrial battery recycling, emphasizing circular solutions for end-of-life batteries. This highlights the industry's shift towards sustainability and reducing waste.

Over $100 billion was invested in EV and battery supply chain M&A deals in 2023, a significant increase that reflects the industry's focus on electrification and sustainability. This trend is driven by global commitments to net-zero emissions and tighter environmental regulations.

Regenerate Technology Global acquired Infinion SARL, a Luxembourg-based battery recycling company with operations in Sweden, in March 2024. This acquisition demonstrates the growing interest in battery recycling and the need for efficient solutions.

Recycling and Batteries

Redwood Materials recycles battery materials to create a circular supply chain, recovering and refining critical metals like lithium, cobalt, nickel, and other valuable metals from end-of-life electronics and batteries. This process minimizes cost and carbon footprint.

Redwood primarily uses a combination of mechanical separation and hydrometallurgical processing, a water-based chemical method that is less carbon-intensive than pyrometallurgy. This process can reclaim more than 80% of the lithium contained in cells and upwards of 95% of the nickel, cobalt, aluminum, and graphite.

The company refines these metals into over 20 distinct battery-grade materials, including lithium carbonate, cobalt sulfate, and nickel sulfate. These materials are then fed directly into Redwood’s manufacturing lines or sold to cell producers.

Key Statistics:

Collection & Diagnostics

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Redwood Materials receives recyclable materials in three main ways. Consumer electronics, such as old phones and laptops, are collected from third-party e-waste suppliers and direct mail.

Old phones, e-bikes, and power tools are just a few examples of consumer electronics that are received at Redwood Materials' factories. These materials are then sent to Nevada facilities for processing.

Batteries from electric vehicles (EVs) are also collected, often due to depleted capacity or accidents. These batteries are recovered and sent to Redwood's facilities for processing.

Up to 10% of battery materials are scrapped during production, which could amount to 80 GWh of wasted capacity by 2025. This is a significant amount of material that could be recovered and reused.

Redwood Materials has found a way to recover valuable materials from these scrap batteries, reducing waste and conserving resources.

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Recycling

Redwood Materials is a company that specializes in recycling battery materials, aiming to create a circular supply chain. They recover and refine critical metals like lithium, cobalt, nickel, and other valuable metals from end-of-life electronics and batteries.

Credit: youtube.com, Why It's So Hard To Recycle Electric-Car Batteries | World Wide Waste

Redwood's recycling operations are tightly integrated with downstream refining and manufacturing lines, enabling them to recover critical metals and process them into battery compounds on-site, minimizing both cost and carbon footprint.

The company primarily uses a combination of mechanical separation and hydrometallurgical processing, which is a water-based chemical method that is less carbon-intensive than pyrometallurgy.

According to Redwood Materials, their processes can reclaim more than 80% of the lithium contained in cells as well as upwards of 95% of the nickel, cobalt, aluminum, and graphite.

Lime, the largest bike- and scooter-sharing company in the world, has struck a deal with Redwood Materials to recycle its lithium-ion batteries. The process involves shipping the batteries to Redwood's North Nevada recycling facility, where they are disassembled and chemically recycled to recover valuable metals like nickel, cobalt, and copper.

Redwood Materials has developed a closed-loop system, where the refined materials are transformed into "high-quality" battery materials that can be sold back to its partners to make new EV batteries. The company claims that around 95–98 percent of these materials are eventually recovered and returned to the supply chain.

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Here's a breakdown of how recyclable materials enter Redwood Materials factories:

  1. Consumer electronics (including old phones, e-bikes, power tools, and laptops) are received from third-party e-waste suppliers and direct mail.
  2. End-of-life EV batteries, which are recovered for reasons ranging from depleted capacity to automobile accidents.
  3. Scrap from battery cell production. These factories scrap up to 10% of battery materials, which could amount to 80 GWh of squandered capacity by 2025.

Redwood Materials' recycling efforts have already produced significant results, with the company claiming that they recycled 20 gigawatt-hours worth of material just in 2024, which is enough to produce another 250,000 EVs.

Tasha Kautzer

Senior Writer

Tasha Kautzer is a versatile and accomplished writer with a diverse portfolio of articles. With a keen eye for detail and a passion for storytelling, she has successfully covered a wide range of topics, from the lives of notable individuals to the achievements of esteemed institutions. Her work spans the globe, delving into the realms of Norwegian billionaires, the Royal Norwegian Naval Academy, and the experiences of Norwegian emigrants to the United States.

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