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Altech Batteries
Investor Insight
An innovative technology that promises positive economics places Altech Batteries in a compelling position to take advantage of a booming batteries market driven by global electrification and clean energy transition.
Overview
Altech Batteries (ASX:ATC,FRA:A3Y) is a battery technology company focused on commercialising the revolutionary CERENERGY® Sodium-Chloride Solid State (SCSS) Battery, destined for the renewable energy grid storage market. The SCSS Battery does not require lithium, cobalt, copper, graphite or manganese, bypassing these high-demand and expensive minerals, and leverages a novel sodium-chloride (common table salt) technology to produce a more durable and longer-lasting battery. This new battery uses cheaper and readily available sodium rather than the more scarce, costly and risky lithium. Altech is headed by an experienced team who understands what it takes to bring transformative technology to market.
That's not all Altech has going for it, either. Unlike other energy storage options, the company's new SCSS Battery technology promises to solve many issues associated with traditional lithium batteries, including fire and explosion risks, manufacturing costs, operating temperature ranges and lifespans.
The reality is simple: Lithium-ion batteries have been susceptible to fire and explosions and have even malfunctioned in certain temperatures – all critical issues that must be solved to ensure long-term sustainability.
CERENERGY® batteries solve these challenges. For example, they do not contain any volatile flammable electrolytes or plastic separators, and they use solid-state ceramic tubes. Simply put, the thermal runaway problem that's plaguing lithium-ion batteries is not possible with Altech's new battery technology.
Altech has a joint venture agreement with the German government battery institute Fraunhofer IKTS, which has been developing the CERENERGY® battery over the past eight years and invested over €35 million (~US$39.7 million) in research and development. Altech is commercialising the technology by providing expertise and resources to build a new 120-MWh-per-annum plant in Saxony, Germany, on Altech's land.
In 2024, the pilot line at Fraunhofer IKTS in Hermsdorf, Germany underwent a comprehensive redesign to facilitate the manufacturing of two ABS60 60 kWh battery prototypes. Innovative tools and machinery have been developed and implemented specifically for producing the battery cells required for the 60 kWh prototypes. The first ABS60 battery prototype is now online and operating successfully, passing all physical tests with great results.
As of April 2025, rigorous individual cell stress-testing conducted by Fraunhofer IKTS has confirmed the safety and operational robustness of the CERENERGY® technology under extreme conditions, including over-discharge, overcharge, high C-rates and elevated temperatures of up to 400°C.
Altech Batteries also released the results from a definitive feasibility study (DFS) conducted for the CERENERGY® project with an annual capacity of 120 MWh GridPacks. DFS showed a capital cost estimated at €156 million (US$170.15 million) with excellent project economics.
The CERENERGY® project is being developed by Altech Batteries GmbH (ABG) with 75 percent interest and joint venture partner Fraunhofer IKTS with 25 percent interest. ABG is 75 percent owned by Altech Batteries and Altech Advanced Materials AG (FSE).
Altech Batteries has executed several offtake agreements in 2024:
- Zweckverband Industriepark Schwarze Pumpe will purchase 30 MWh of energy storage capacity annually, consisting of 1 MWh GridPacks, for the first five years of production.
- Referenzkraftwerk Lausitz GmbH (RefLau), a joint venture between utility companies Enertrag SE and Energiequelle GmbH. RefLau will purchase 30 MWh of CERENERGY® energy storage capacity in the first year, then 32 MWh per year thereafter for the next four years of production. It was further agreed that Altech will purchase green electricity at competitive prices directly from the partners in the region for the planned production plant.
- Axsol GmbH (Axsol) is a leading, award-winning integrated renewable energy solutions provider. Altech has entered into an exclusive distribution agreement with Axsol to supply the western defence industry with CERENERGY® battery technology.
To address funding requirements, the company has executed a binding Bond Note Subscription Deed with major shareholder Deutsche Balaton AG, under which it candraw down up to €2.5 million (US$2.8 million) in cash in the form of interest-bearing Bearer Bonds. Altech is also in the process of selling its land in Johor to provide additional funding.
Company Highlights
- Altech Batteries is a battery technology company commercialising its revolutionary CERENERGY® Sodium-Chloride Solid State (SCSS) Battery that uses common table salt technology.
- Altech's proprietary technology does not require lithium, cobalt, copper or graphite, eliminating cost, ethical, safety and supply chain issues.
- Compared to lithium-ion batteries, the CERENERGY® battery is fire and explosion-proof, is cheaper to manufacture, suitable in any temperature range (-40°C to +60°C) and provides a greater lifespan (over 15 years).
- Altech has a joint venture agreement with Fraunhofer IKTS, the German Government's Battery Institute that has been developing the SCSS technology for eight years with significant financial investment.
- The joint venture is building a new 120 MWh plant in Saxony, Germany to manufacture the new SCSS 1 MWh GridPack, designed for the lucrative and growing grid storage market.
- Rigorous testing of individual CERENERGY® battery cells has confirmed their safety and operational robustness under extreme conditions, including over-discharge, overcharge, high C-rates, and elevated temperatures.
- Additionally, Altech has successfully made its Silumina Anodes™ pilot plant in Germany operational, designed to improve lithium-ion batteries by providing a higher capacity anode for the EV market. This patented technology involves coating silicon and graphite with high-purity alumina, increasing the capacity of lithium-ion batteries compared to traditional graphite-only anodes.
- Recent breakthroughs in the Silumina Anodes™ technology include spherifying coated silicon particles, which has achieved a 50 percent capacity performance improvement in battery applications compared to traditional graphite-only anodes.
- Through a definitive feasibility study, Altech expanded the Silumina Anodes™ project output eightfold, increasing the capacity from 15 gigawatt-hours (GWh) to 120 GWh.
Key Projects
CERENERGY® Sodium-Chloride Solid State Battery Project
Altech Batteries and Fraunhofer IKTS are currently commercialising the Sodium-Chloride Solid State (SCSS) battery technology, which uses sodium over lithium. It is a solution geared toward the renewable energy grid storage market, an often overlooked but significant market for the transition to renewable energy.
Project Highlights:
- Solves Major Issues with Lithium-Ion Batteries: We've seen challenges with lithium-ion batteries become news stories as these batteries experience thermal runaway or cannot operate outside an ideal temperature range. CERENERGY® battery technology does not use combustible liquid electrolytes and has a significantly improved temperature range of 40 to 60 degrees Celsius.
- Impressive Shelf Life and Operating Life: Unlike lithium-ion batteries, the CERENERGY® battery does not use a liquid electrolyte, meaning it does not deteriorate over time; there is no loss of sodium. CERENERGY® batteries have extended shelf life compared to lithium-ion and an operating lifespan of over 15 years, which also exceeds lithium batteries.
- Pilot Plant and New GridPack Underway: Altech Batteries and Fraunhofer IKTS are now commercialising the technology with a new 120 MWh plant in Saxony. Additionally, Altech recently announced its new 1 MWh GridPack designed for grid storage. The new GridPack is suitable for all weather conditions, has low maintenance costs, and has a long battery life.
- Highly Positive DFS: The DFS excellent economics include:
- Capital cost estimated at €156 million with excellent project economics
- Pre-tax Net Present Value (NPV9) of €169 million
- Attractive Internal Rate of Return (IRR) of 19 percent
- Steady state payback period is 3.7 years, with annual revenue of €106 million per annum
- EBITDA of €51 million or margin of around 47 percent
- Altech Board Decision to Proceed to Funding Phase
- Low lifetime levelised cost of storage €0.06/kWh vs lithium-ion batteries at €0.149/kWh
- Grid energy storage market projected to grow by 28 percent CAGR
- Grant funding applications underway
- Equity and mezzanine financing discussions in progress
- Proven Safety Under Extreme Conditions: Recent rigorous testing of individual CERENERGY® cells has confirmed their safety and operational robustness. Tests included:
- Long-term cycling showing consistent performance across the full capacity range
- Over-discharge tests demonstrating exceptional resilience and ability to recover without damage
- Overcharge tests (up to four times higher than nominal voltage for 15 hours) confirming robust safety features
- C-rate flexibility tests validating performance across various charge/discharge rates
- Thermal stability testing at temperatures up to 400°C (50°C above maximum expected operational temperature)
- Cell failure testing showing continuous system operation without significant risk or performance degradation even when individual cells fail
Silumina Anodes™ Project
Altech Batteries has purchased the land in Saxony, Germany, for its 8,000-tpa proprietary Silumina Anodes™ battery materials plant. The plant has a completed pre-feasibility study with outstanding economics. The company strategically selected the plant's location to serve the European battery market. The pilot plant has now been successfully built and is operational.
Project Highlights:
- Plant Designed for Minimal Environmental Impact: The Centre of International Climate and Environmental Research (CICERO), located in Norway, has reviewed the plant's design and awarded it the rating of "Medium Green." This rating indicates that the project achieves 'green' financing.
- Feedstock Supply of Battery-Grade Anode Materials Secured: Altech Batteries has executed a Memorandum of Understanding (MoU) with two European suppliers of battery-grade materials: SGL Carbon and Ferroglobe.
- Breakthrough in Silumina Anodes™ Technology: Altech's latest development involves spherification of silicon particles coated with nanolayers of alumina. These spherical particles are distributed within the voids of graphite, minimizing long-term damage to the electrode layer caused by expansion.
- Optimized Silicon Content: The company's R&D laboratory has optimized silicon content to a 5 percent addition, which has delivered a 50 percent capacity performance improvement in battery applications.
- Pilot Plant Now Operational: Despite initial technical challenges related to equipment delivery delays and handling difficulties with ultra-fine silicon powders, the pilot plant is now fully operational and producing high-quality coated silicon particles ready for customer evaluation.
Management Team
Luke Frederick Atkins - Non-executive Chairman
Luke Frederick Atkins is a lawyer by profession and one of the founders of the company. Atkins brings to the board extensive experience in the areas of mining, exploration and corporate governance. Atkins is also non-executive director of the successful ASX-listed mining and exploration company, Bauxite Resources (BRL) (now Australian Silica Quartz). Atkins formerly held the role of executive chairman of BRL after co-founding the company in 2007. He has played a key role in BRL third party negotiations to successfully access funding, joint venture partnerships, land and infrastructure. Atkins has had extensive experience in capital raising and has held some executive and non-executive directorships of private and publicly listed companies including several mining and exploration companies.
Iggy Tan - Managing Director
Iggy Tan is a highly experienced mining and chemical executive with several significant achievements in commercial mining projects such as capital raising, funding, construction, start-ups and operations. Tan has over 30 years of chemical and mining experience and has been an executive director of some ASX-listed companies. He holds a Master of Business Administration from the University of Southern Cross, a Bachelor of Science from the University of Western Australia, and a graduate of the Australian Institute of Company Directors.
Tan is responsible for managing and implementing the next stage of Altech's strategic business objectives. Having been involved in the commissioning and start-up of seven resource projects in Australia and overseas, including high-purity technology projects, Tan is an accomplished project builder and developer.
He was the managing director of Nickelore, Galaxy Resources and Kogi Iron. At Galaxy, Tan was responsible for capital raising, construction and start-up of the company's Mt Cattlin spodumene mine ($80 million) and the Jiangsu lithium carbonate plant ($100 million), which resulted in Galaxy becoming the world's leading producer of high-purity lithium carbonate. The Jiangsu plant was eventually sold for $260 million in 2014.
Uwe Ahrens - Alternate Director
Uwe Ahrens is the executive director of Melewar Industrial Group Berhad and managing director of Melewar Integrated Engineering Sdn Bhd. He is also on the board of other private limited companies. Ahrens holds masters in both mechanical engineering and business administration from the Technical University Darmstadt, Germany. Upon graduation, Ahrens joined the international engineering and industrial plant supplier, KOCH Transporttechnik GmbH in Germany, now part of FLSmidth Group, where he held a senior management position for 12 years, working mainly in Germany, the USA and South Africa.
In 1997, Ahrens was the general manager of KOCH in Southeast Asia and became its managing director in 1999. He joined Melewar Group in 2002 and is also currently chief technical officer of the Melewar group of companies responsible for engineering, upgrading, modification and extension of machinery and plant, as well as the overall maintenance.
Martin Stein - Chief Financial Officer & Company Secretary
Martin Stein is a finance and corporate executive with over 20 years of international experience. Stein has been the chief financial officer and company secretary for several ASX-listed companies. In these roles, he was responsible for all aspects of capital raising, financial management, shareholder liaison and corporate governance.
Before this, Stein held senior positions with Anvil Mining as well as with PwC at its London office. Whilst with PwC, he provided corporate services for companies listed on the LSE, NYSE and AIM, including Colgate-Palmolive, Sony, Heinz, DHL Express and Bosch.