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Electra details $530M–$675M nickel refinery study

Electra Battery Materials is advancing engineering and commercial work on a two‑phase North American nickel refinery targeting 20,000 tonnes per year of initial nickel capacity.

(Neutral)
(Neutral)
Form Type
6-K

Rhea-AI Filing Summary

Electra Battery Materials Corp (ELBM) outlined preliminary engineering results for the initial phase of a proposed two‑phase nickel refinery in North America. The first phase targets production of approximately 20,000 tonnes per year of contained nickel in battery‑grade nickel sulfate from mine‑derived feedstock.

The study indicates nickel and cobalt recoveries of 97% or higher, with cobalt hydroxide potentially supplying Electra’s existing cobalt refinery. Preliminary capital estimates for the first‑phase nickel sulfate refinery range from US$530 million to US$675 million, using a preferred southeastern U.S. site as the basis, subject to further assessment and commercial and funding arrangements.

A potential second phase could add processing of recycled battery black mass with up to an additional 20,000 tonnes per year of contained nickel, plus cobalt, lithium and graphite byproducts. Electra is advancing site assessment, permitting planning, financing discussions, and feedstock and offtake negotiations, while stating that completion and commissioning of its Ontario cobalt sulfate refinery remains the immediate priority.

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Filing Explained

This Form 6-K incorporates its September 16, 2026 report and disclosed exhibits by reference into Electra’s Form S-8 and amended Form F-3 registration statements; the nickel project remains at preliminary engineering, with no development decision reported.

Phase 1 nickel capacity 20,000 tonnes per year of contained nickel First-phase nickel sulfate refinery production capacity evaluated in the preliminary engineering study
Estimated capital cost range US$530 million to US$675 million Preliminary capital estimates for the first-phase nickel sulfate refinery
Phase 2 additional nickel capacity 20,000 tonnes per year of contained nickel Potential second-phase expansion to process battery black mass
Nickel and cobalt recoveries 97% or higher Preliminary process modelling results for the proposed refinery
Engineering study level FEL-1 Preliminary engineering study stage for the nickel sulfate refinery
Nickel refinery phases Two phases Initial nickel sulfate refinery plus potential recycling expansion for battery black mass
battery black mass technical
"A second phase could expand the facility to process battery black mass"
hydrometallurgical processes technical
"recover critical minerals using hydrometallurgical processes"
A set of industrial methods that use water-based chemical solutions to dissolve, separate, concentrate and recover metals from ores, concentrates or recycled material, typically including leaching, solution purification (for example solvent extraction or precipitation) and metal recovery (for example electro-winning). It matters to investors because these methods determine how much metal a facility can extract, the cost and efficiency of production, and related environmental and permitting risks—similar to using a tailored chemical wash and filter to pull and refine valuable metal from raw material.
nickel sulfate financial
"conversion of mine-derived feedstock into battery-grade nickel sulfate"
Nickel sulfate is an inorganic salt made from nickel and sulfur that appears as a blue crystalline powder dissolved in water. It is a key industrial raw material used to make nickel metal, electroplating coatings, catalysts and, critically, precursor chemicals for many rechargeable batteries; think of it like a small but essential spice in a recipe whose shortage or price change can alter the cost and availability of the finished product. Investors watch nickel sulfate because swings in its supply, purity and price directly affect manufacturing costs and profit margins for battery makers, miners and manufacturers tied to electric vehicles and electronics.
offtake arrangements financial
"with upstream and downstream partners on feedstock supply and offtake arrangements"
Offtake arrangements are contracts where a buyer agrees to purchase a company's future production or output—such as raw materials, energy, or manufactured goods—often before those goods are produced. They matter to investors because they create predictable revenue and reduce sales and price risk, making cash flow and project financing more secure; like a farmer pre-selling a crop to guarantee income, they can materially affect a company’s valuation and risk profile.
contained nickel financial
"production capacity of approximately 20,000 tonnes per year of contained nickel"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Electra Battery Materials (ELBM) announce in this Form 6-K?

Electra announced preliminary engineering results for the first phase of a proposed two‑phase nickel refinery in North America, focused on converting mine‑derived feedstock into battery‑grade nickel sulfate at an initial capacity of about 20,000 tonnes per year of contained nickel.

What production capacity is Electra (ELBM) evaluating for its nickel refinery?

Electra is evaluating a first‑phase capacity of approximately 20,000 tonnes per year of contained nickel as battery‑grade nickel sulfate. A potential second phase could add processing of battery black mass with up to an additional 20,000 tonnes per year of contained nickel, plus critical mineral byproducts.

What are the estimated capital costs for Electra’s proposed nickel sulfate refinery?

Preliminary capital estimates for the first‑phase nickel sulfate refinery range from US$530 million to US$675 million, based on annual production of about 20,000 tonnes of contained nickel and the feedstock configurations evaluated in the engineering study.

Where could Electra Battery Materials (ELBM) locate the new nickel refinery?

The engineering study uses a preferred location in the southeastern United States as its site basis. Final site selection remains subject to further technical assessment and to commercial and funding arrangements, while Electra continues to consider alternative locations in North America.

How does the nickel refinery project relate to Electra’s current cobalt refinery?

Process modeling indicates cobalt recoveries of 97% or higher, with recovered cobalt hydroxide potentially serving as feedstock for Electra’s cobalt refinery in Ontario. Electra states its immediate priority remains completion and commissioning of the Ontario cobalt sulfate refinery.

What is the role of recycling in Electra’s proposed nickel project?

A possible second phase would expand the facility to process battery black mass, potentially adding 20,000 tonnes per year of contained nickel plus cobalt, lithium and graphite byproducts, building on Electra’s black mass demonstration work using hydrometallurgical processes.

Is Electra (ELBM) already financed for the nickel refinery project?

Electra reports it is advancing financing and commercial strategy in parallel with engineering, engaging with governments on funding programs and with partners on feedstock supply and offtake arrangements. It does not state that full project financing has been secured.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of September 2026

Commission File Number: 001-41356

Electra Battery Materials Corporation
(Translation of registrant's name into English)

133 Richmond St W, Suite 602
Toronto, Ontario, M5H 2L3 Canada
(416) 900-3891 

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.
Form 20-F [ X ]      Form 40-F [   ] 

Incorporation by Reference

The information contained in this Report on Form 6-K (this “Form 6-K”) and Exhibits 99.1 and 99.2 herewith are hereby incorporated by reference as an exhibit to (i) the Registration Statement on Form S-8 (File No. 333-264589), (ii) the Registration Statement on Form F-3, as amended (File No. 333-288364) and (iii) the Registration Statement on Form F-3, as amended (File No. 333-291766) of Electra Battery Materials Corporation (the “Company”).

 


EXHIBIT INDEX

 

Exhibit Number Description
  
99.1 Press Release dated September 16, 2026

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

      Electra Battery Materials Corporation    
  (Registrant)
   
  
Date: September 16, 2026     /s/ Trent Mell    
  Trent Mell
  Chief Executive Officer and Director
  

EXHIBIT 99.1

Electra Advances Phased Nickel Refining and Battery Recycling Strategy for North America

Initial engineering evaluates 20,000 tonnes of annual nickel production as the first
phase of a broader critical minerals processing facility

TORONTO, Sept. 16, 2026 (GLOBE NEWSWIRE) -- Electra Battery Materials Corporation (NASDAQ: ELBM; TSX-V: ELBM) (“Electra” or the “Company”), a leader in North American critical minerals processing, today announced preliminary engineering results for the initial phase of a proposed two-phase nickel refinery to process mine-derived feedstock and recycled battery black mass into nickel metal and battery-grade nickel sulfate. The proposed facility would strengthen North American supply chains by supplying nickel for industrial, military and battery applications, helping reduce reliance on foreign processing.

The preliminary engineering study (FEL-1) evaluates the first-phase conversion of mine-derived feedstock into battery-grade nickel sulfate at a production capacity of approximately 20,000 tonnes per year of contained nickel. Preliminary process modelling indicates nickel and cobalt recoveries of 97% or higher, with recovered cobalt hydroxide providing a potential feedstock for Electra’s cobalt refinery.

“We need the capacity to refine nickel for industrial, military and battery applications,” said Trent Mell, CEO. “Electra is applying the expertise developed through our Ontario cobalt sulfate refinery and battery recycling work to advance a new source of nickel sulfate and nickel metal. Our goal is to strengthen critical mineral supply chains in the United States and Canada and reduce reliance on Chinese processing.”

The proposed facility would address a gap in North America’s capacity to convert nickel feedstock into products for domestic customers. Its intended product flexibility would serve both battery manufacturers requiring battery-grade nickel sulfate and industrial and military customers requiring nickel metal, including for aerospace applications.

The project is designed to establish capacity to process nickel intermediates that might otherwise be refined in China. By processing nickel closer to customers, the facility could help reduce exposure to geopolitical risk and strengthen the security and traceability of Western critical minerals supply chains.

Electra is advancing the financing and commercial strategy for this project in parallel with engineering. The Company continues to engage with governments on funding programs and with upstream and downstream partners on feedstock supply and offtake arrangements. These discussions are intended to align government support and private financing with the supply and customer commitments needed to develop competitive critical minerals processing capacity.

The proposed refinery would use conventional hydrometallurgical processes to refine feedstock from existing mining operations, drawing on Electra’s cobalt refining and battery recycling expertise. This approach would use available feedstock while creating a processing option for future domestic mine supply. The project relies primarily on established processing methods rather than the commercialization of new technology.

Preliminary capital estimates for the first-phase nickel sulfate refinery range from approximately US$530 million to US$675 million across the feedstock configurations evaluated, based on annual production of approximately 20,000 tonnes of contained nickel. Nickel metal production and the second-phase recycling expansion will require separate capital estimates.

A second phase could expand the facility to process battery black mass, with the potential to add an additional 20,000 tonnes per year of contained nickel capacity, along with cobalt, lithium and graphite byproducts. This expansion would build on Electra’s black mass demonstration work to recover critical minerals using hydrometallurgical processes. Recent U.S. restrictions on black mass exports underscore the need to limit critical minerals exports to support investment in domestic processing capacity.

Work completed to date includes preliminary process design, equipment sizing, site layout, infrastructure and logistics assessment, and capital and operating cost estimates. Further engineering is planned for nickel metal production to confirm product specifications, process scope and capital requirements.

The study uses a preferred location in the southeastern United States as its site basis. Final site selection remains subject to further assessment, as well as commercial and funding arrangements. Electra will continue to consider alternative locations in North America as it evaluates access to feedstock and customers, utilities, permitting requirements and the ability to accommodate the second-phase recycling expansion.

The next stage of work will focus on advancing site assessment and permitting planning alongside ongoing funding, feedstock and offtake discussions. As these parallel workstreams progress, Electra intends to refine equipment and utility requirements, effluent and tailings management plans, product specifications, and capital and operating cost estimates. Together, this work is expected to establish the site, feedstock and commercial basis required to advance the Project towards further engineering (FEL-3) and a potential development decision.

“Our focus is on securing the feedstock, customer commitments and financing needed to support a development decision,” said Mell. “We are working with governments and potential commercial partners to establish the conditions for a competitive North American nickel refinery serving industrial, military and battery customers.”

Electra’s immediate priority remains the completion and commissioning of its Ontario cobalt sulfate refinery. The proposed nickel refinery and recycling expansion remain longer-term opportunities.

About Electra Battery Materials

Electra is a leader in advancing North America’s critical minerals supply chain for lithium-ion batteries. The Company’s primary focus is constructing North America’s only cobalt sulfate refinery, as part of a phased strategy to onshore critical minerals refining and reduce reliance on foreign supply chains. In addition to the Refinery, Electra holds a significant land package in Idaho’s Cobalt Belt, including its Iron Creek project and surrounding properties, positioning the Company as a potential cornerstone for North American cobalt and copper production.

Electra is also advancing black mass recycling opportunities to recover critical materials from end-of-life batteries, while continuing to evaluate growth opportunities in nickel refining and other downstream battery materials. For more information, please visit www.ElectraBMC.com.

Contact
Heather Smiles
Vice President, External Affairs & Corporate Development
Electra Battery Materials
info@ElectraBMC.com
1.416.900.3891

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

Cautionary Note Regarding Forward-Looking Statements
This news release contains forward-looking statements and forward-looking information (together, “forward-looking statements”) within the meaning of the United States Private Securities Litigation Reform Act of 1995 and applicable Canadian securities laws. All statements, other than statements of historical facts, are forward-looking statements. Generally, forward-looking statements can be identied by the use of terminology such as “seek”, “expect”, “anticipate”, “budget”, “plan”, “estimate”, “continue”, “forecast”, “intend”, “believe”, “predict”, “potential”, “target”, “may”, “could”, “would”, “might”, “will” and similar words or phrases (including negative variations) suggesting future outcomes or statements regarding an outlook or statements that certain actions, events or results “may”, “could”, “would”, “might”, “occur” or “be achieved” (including negative variations). Forward-looking statements in this release include, but are not limited to, statements regarding the advancement of a preliminary engineering study for a proposed nickel sulfate refinery; the evaluation of production levels from such a refinery, the identification of a suitable site for such a refinery; and discussions with potential financing and offtake partners. Forward-looking statements are based on the Company’s current beliefs and assumptions as to the outcome and timing of future events, including, but not limited to, that the anticipated timing for completion of engineering studies, the commercial viability of a nickel sulfate refinery in North America, the availability of government and commercial financing, and the ability to identify a suitable site for development. Forward-looking statements involve risks, uncertainties and other factors that could cause actual results, performance and opportunities to dier materially from those implied by such forward-looking statements. Factors that could cause actual results to dier materially from these forward-looking statements include, among other things: the commercial viability of a nickel sulfate refinery in North America, the availability of commercially feasible development sites, the negotiation of suitable supply and offtake arrangements with third-parties, the risks and uncertainties relating to commercial development; the need to comply with environmental and governmental regulations in Canada and the United States; uctuations in the prices of commodities; operating hazards and risks; competition and other risks and uncertainties and other such factors as are set forth in the Annual Information Form, as well as the management discussion and analysis and other disclosures of risk factors for the Company, led on SEDAR+ at www.sedarplus.com. Although the Company believes that the information and assumptions used in preparing the forward-looking statements are reasonable, undue reliance should not be placed on these statements, which only apply as of the date of this news release, and no assurance can be given that such events will occur in the disclosed time frames or at all. Except where required by applicable law, the Company disclaims any intention or obligation to update or revise any forward-looking statement, whether as a result of new information, future events or otherwise.

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