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CATL’s TENER BESS Technology Unveiled at ees Europe 2024

Late last year, RRPS and CATL have signed a long-term supply agreement, which covers more than 10 GWh business cooperation.
Dew Briefs:
  • World’s first mass-produced energy storage system manufactured by CATL, TENER BESS offering all-round safety and robust capacity of 6.25MWh & 430 Wh/L energy density in a compact 20-foot container
  • The system achieves zero degradation in power and capacity
  • Late last year, RRPS and CATL have signed a long-term supply agreement, which covers more than 10 GWh business cooperation.
Image Source: CATL/edited

On June 19, CATL unveiled TENER, the world’s first mass-producible energy storage system with zero degradation in the first five years of use. CATL unveiled this breakthrough technology at ees Europe, the largest and most international exhibition for batteries and energy storage systems in Europe. 

The TENER energy storage system achieves zero degradation in power and capacity over five years through advanced bionic SEI and self-assembling electrolyte technologies, helping to ensure long-term stability and safety by addressing lithium metal reactivity and thermal runaway risks.

Utilizing CATL’s L-series cells with an energy density of 430Wh/L, TENER boasts a 6.25 MWh capacity in a 20-foot container, enhancing energy density per unit area by 30% and reducing overall station footprint by 20%.

CATL also established a dedicated, end-to-end quality management system for TENER, which includes technology development, proof testing, operation monitoring, and safety failure analysis. The management system sets safety goals for different scenarios and develops technologies to meet them. CATL continuously monitors the system’s operation through AI-powered risk monitoring and early warning measures to verify and continuously optimize its safety design goals.

With its exceptional all-round safety performance, five-year zero degradation and robust 6.25 MWh capacity, TENER is set to propel global energy storage technology into a new era of high efficiency and widespread adoption. 

CATL and RRPS, Tener Zero
Image Source: CATL

“I am thrilled to announce that Rolls-Royce and CATL have entered into a strategic cooperation to bring CATL’s innovative TENER product line to the European Union and the United Kingdom,”

“This partnership not only underscores our commitment to delivering cutting-edge, reliable, and efficient energy storage solutions but also strengthens our ability to support the energy transition with sustainable and robust infrastructure.” 

Perry Kuiper, SVP Sales of Sustainable Power Solutions at Rolls-Royce Power Systems

Leveraging a global network of over 700 service stations, CATL harnesses the synergistic advantages of logistics partners and comprehensive ecosystem support to deliver professional, efficient, and reliable overseas services. This robust infrastructure ensures seamless supply chain management, customized solutions, and continuous technical support for each partner. 

CATL has forged and strengthened partnerships with top-tier global players in the industry such as NextEra, Fluence, Wartsila, Tesla, Powin and FlexGen, implementing over 1,000 energy storage projects in over 40 countries and regions with its advanced energy technologies so far. 

In 2023, for the third year in a row, CATL was ranked first in market share of global energy storage battery shipment. The company holds a market share of 40% with 69 GWh of shipment. CATL will expand cooperation with more partners to promote energy transition and contribute to global efforts for carbon neutrality. 

Committed to Europe’s Sustainable Future 

CATL’s dedication goes beyond providing energy solutions-it seeks to support the wellbeing of the communities it operates in. In 2023, the company donated 1.5 million forints to build a medical salt room in Debrecen, 20,000 euros to the Pediatric Clinic of the University of Debrecen, and 30,000 euros for the treatment of a Hungarian boy with genetic disease. These milestones all underscore CATL’s commitment to supporting Europe’s sustainable development. 

Recognizing the importance of nurturing future talent, CATL has also actively supported employee careers and educational initiatives. A strategic partnership with the Vocational Training Center in Debrecen in 2024 aimed to align vocational training with industry needs, ensuring the development of prepared, motivated, and highly qualified professionals for the future. 

Environmental stewardship is another cornerstone of CATL’s ethos. The company is undertaking a reforestation project in Thuringia. In 2023, CATL helped to plant 4,800 trees-a sign of its steadfast commitment and dedication to restoring and enriching the natural world, enhancing biodiversity and supporting forest resilience. 

CATL’s steadfast commitment to sustainability is poised to leave an enduring impact on Europe, fostering a future where progress is harmoniously intertwined with environmental and social prosperity.

As release a press note by CATL on June,19 Rolls-Royce Power Systems (RRPS) and CATL are excited to announce a strategic cooperation that will bring the TENER product line to the EU and UK markets. The groundbreaking product is designed with safety in mind and, improvement of service life, efficiency, and availability. Depending on the product line and the customer use case, up to 5 years of no degradation can be expected from the new TENER product. RRPS has started to offer TENER products as part of their mtu EnergyPack QG solution. Together, the two companies have built a close relationship on the integration of the TENER products into fully fledged EPC-turnkey projects with all-inclusive service maintenance.

Diver Insights:
  • On April 09, 2024, CATL already unveiled TENER, the world’s first mass-producible ESS with Zero degradation in the first five years of use in Beijing, China. Featuring all-round safety, five-year zero degradation and a robust 6.25 MWh capacity, TENER will accelerate large-scale adoption of new energy storage technologies as well as the high-quality advancement of the sector.
  • Immense Energy in a Compact Space: 20-foot Container with 6.25 MWh Capacity
  • TENER achieves an impressive 6.25 MWh capacity in the TEU container, representing a 30% increase in energy density per unit area and a 20% reduction in the overall station footprint, thus enhancing energy density and efficiency through innovative design within a limited space. 
  • CATL’s cutting-edge cell technology supports the outstanding performance of the system. TENER is equipped with long service life and zero-degradation cells tailored for energy storage applications, achieving an energy density of 430 Wh/L, an impressive milestone for LFP batteries used in energy storage.

Binder is an experienced writer around the EV industry. Aiming to bridge the EV knowledge gap.