Sodium solid-state battery
Altech Batteries, an innovative enterprise based in Australia, recently unveiled the performance of its latest creation: the Cerenergy ABS60 sodium solid-state battery. Designed for excellence, this cutting-edge battery prototype is now in operation at the Fraunhofer IKTS test laboratory in Dresden, Germany.
The Cerenergy ABS60 battery distinguishes itself by using sodium ions derived from common table salt as opposed to lithium. The battery’s cathode combines sodium chloride, or table salt, with nickel. This solid-state technology differentiates it from other sodium-ion and sodium sulfur batteries, which typically operate with liquid electrolytes.
Tests have shown that the 60 kWh sodium chloride battery integrated into a designated test station exhibits remarkable efficiency and stability. Over more than 500 charge-discharge cycles, it demonstrates an impressive efficiency rating of up to 91% while maintaining a consistent discharge capacity of 80 Ah.
The durability of the Cerenergy ABS60 battery is a significant highlight. Altech claims the battery has a projected lifespan of over 15 years. Notably, it functions efficiently across a wide ambient temperature range, from minus 20° Celsius (-4° Fahrenheit) to +60° Celsius (140° Fahrenheit). Importantly, it remains fire and explosion-proof, avoiding thermal runaway, a common issue in Lithium-ion batteries.
The ABS60 battery boasts an energy capacity of approximately 110-130 Wh/kg. This capability positions it as a viable rival to LFP Lithium-ion batteries, typically ranging from 90-110 Wh/kg. Furthermore, its 4-6 hour charge and discharge cycle is perfectly suited for grid storage applications. The battery system comprises 240 Cerenergy cells, each providing 2.58 V, equating to a sizable capacity for various implementations.
During the charging process, electrons traverse from the positive to the negative terminal. Concurrently, sodium ions migrate through a solid ceramic electrode to the negative canister, forming a molten anode layer. This process yields a fully charged battery.
In discharge, electrons return, and molten sodium oxidizes into Na+ ions, reversing through the ceramic tube and reforming sodium chloride as the nickel chloride converts to metallic nickel.
Altech''s Cerenergy ABS60 sodium solid-state battery marks a technological milestone with its groundbreaking use of sodium ions and solid-state technology. It promises enhanced safety, efficiency, and longevity, addressing several limitations of traditional battery technologies. With continued testing and refinement, this battery could well redefine standards in grid storage and renewable energy markets.
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The image is randomly selected and doesn’t necessarily represent the company or the news above. Altech Batteries Limited (ASX: ATC, FRA: A3Y) is pleased to announce that its first CERENERGY® ABS60 battery prototype is online and operating successfully. The completed battery unit has passed all physical tests with flying colours. The prototype was installed at Altech''s joint venture partner Fraunhofer IKTS'' test laboratory in Dresden, Germany, and integrated into a specially designed battery test station. This setup enables continuous daily charging and discharging cycles to assess the battery's efficiency, stability, and overall performance under real-world conditions.
Altech''s CEO and MD Iggy Tan stated"We are extremely pleased that the first CERENERGY® 60kWh battery prototype is now up and running and operating better than expected, reconfirming our confidence in the sodium-chloride solid-state battery technology developed by the world-leading Fraunhofer Institute in Germany. Using common table salt technology and without the requirement for lithium, copper, cobalt, graphite and manganese, the CERENERGY® battery can operate in a wide range of temperatures and has a life of 15 years, around double that of lithium-ion batteries.
The prototype can now be demonstrated under real-world conditions, providing critical data for off-take parties. This will be invaluable as Altech pushes forward with sales and finance to construct the first 120MWh plant. With the first Letter of Intent for 30MWh of offtake with Schwarze Pumpe Industrial Park recently announced, we envisage that having the CERENERGY® 60kWh battery prototype up and running and exceeding expectations, will further assist in the offtake process".
The success of this prototype positions Altech Batteries at the forefront of advanced battery technology, offering a reliable and efficient energy storage solution.
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An individual cell testing program has also been conducted by the Fraunhofer team at Hermsdorf, Germany. Separate battery cells underwent extensive testing, highlighting their performance and stability. A total of 497 individual battery cells were produced. The cells were tested at an operational temperature of 300°C. Key results from over 500 cycles demonstrated stable performance, including a consistent discharge capacity of 80 Ah and an efficiency of up to 91%. The discharge energy and capacity remained stable without any indication of degradation occurring across the 500 cycles, and the average discharge voltage held steady throughout the tests.
Discharge and overcharge stress and abuse tests were conducted without any cell failures, confirming the cells'' durability. These findings demonstrate the cells'' potential for long-term stability, high energy capacity, and reliability in high-temperature applications.
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An innovative technology that promises positive economics place Altech Batteries in a compelling position to take advantage of a booming batteries market driven by global electrification and clean energy transition.
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. Lastly, 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.
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 in research and development. Now, 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. The prototype was installed at Fraunhofer IKTS'' test laboratory in Dresden, Germany, and integrated into a specially designed battery station. This setup enables continuous daily charging and discharging cycles to assess the battery's efficiency, stability and overall performance under real-world conditions.
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:AMA).
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.
Altech Batteries has purchased the land in Saxony, Germany, for its 8,000-tpa proprietary Silumina AnodesTM 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 will be built adjacent to the land.
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.
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