Battery Day 2025 Highlights

As we start looking forward to Battery Day 2026 on 24th September, we wanted to give you an overview of Battery Day 2025's success. On September 25, Battery Associates hosted the 6th edition of Battery Day, which featured 6 panels, 9 deep dives, 7 keynote addresses and several networking breaks throughout the day. Battery Day 2024 saw the registration of 1100+ battery enthusiasts from 60+ countries.

During the event, delegates spent an average of 4+ hours on the platform, and participants conducted 180+ networking meetings.

Our 6 panels at a glance:

1. Advances in BESS Technologies and Deployment in APAC

   This session brings forth the policy, regulatory, and operational drivers accelerating BESS adoption across APAC. The session maps a pathway toward integrating distributed energy resources, advancing domestic battery manufacturing, and managing safety across the accelerating energy transition.

   
   

2. Optimising the Battery Value Chain: Balancing Cost and Sustainability

   The panel explored how digitalization, regulation, and innovation can jointly enhance both efficiency and environmental performance in battery production. The speakers emphasized the importance of AI-driven manufacturing, lifecycle assessment, and digital product passports to cut costs and improve transparency, while also calling for faster regulatory clarity in Europe and holistic, long-term strategies similar to China’s integrated approach to scaling its battery industry.

   
   

3. Opportunities & Challenges for BESS in the Middle East & Europe

   This panel explored opportunities and challenges for BESS in Europe and the Middle East, highlighting how Europe’s mature regulatory frameworks contrast with the Middle East’s rapid project deployment. The speakers discussed key markets (UK, Germany, Spain, Saudi Arabia), the role of regulation and financing in enabling growth, and emerging technologies like LFP and sodium-ion. The session concluded that Europe leads in market design and use cases, while the Middle East excels in large-scale implementation and speed, emphasizing the need for collaboration and smarter grid integration.

   
   

4. The Battery Innovation Pipeline: From Lab to Gigafactory

   This panel explored the journey of battery innovation from lab research to gigafactory-scale commercialization. The panelists discussed challenges in scaling technologies, analytical methods for understanding degradation, and translating lab insights into manufacturing processes.

   
   

5. Localisation Strategies for Building a Resilient US Battery Supply Chain

   The panel discussed strategies to strengthen the U.S. battery supply chain, emphasizing the need for a holistic approach including domestic mining, recycling, advanced manufacturing, and policy consistency. The panelists highlighted innovations like dry electrode technology and sodium-ion batteries, the importance of access to capital, and lessons from global supply chains, particularly China.

   
   

6. Gigafactory Technology Advancements and Cost Reduction Strategies

   This panel explored innovations in cell production, focusing on dry electrode manufacturing, digital infrastructure, and quality management. Experts emphasized integrating data systems, process analytics, and skilled teams early in factory design to boost efficiency and yield. The session concluded that cross-functional collaboration, rapid learning, and digitalization are key to driving competitiveness and reducing costs in battery manufacturing.

Our 9 deep-dives at a glance:

During the event, a number of 30 min deep-dive sessions were run in parallel to ensure in-depth discussion into specific battery topics. This year, our deep-dives included:

1. The Triple Revolution in Lithium Batteries: Material Breakthroughs, Capacity Adjustment, and Circular Economy

   The session explored the “triple revolution” in lithium batteries, covering material breakthroughs, capacity planning, and circular economy practices, highlighting shifts in cathode and anode technologies and emerging trends like silicon-based anodes. It also addressed global production dynamics, overcapacity challenges, and strategic considerations for factory locations and cost efficiency. Finally, the discussion emphasized the growth of battery recycling, including collection, processing, and regional pricing mechanisms, as a key driver for sustainability and resource optimization.

   
   

2. Policy and Market BESS Developments in Europe

   The session covered the rapid growth and evolving dynamics of BESS across Europe, highlighting the shift from residential to utility-scale installations and the drivers behind this expansion, including cost reductions, policy incentives, and renewable integration. It also addressed market projections through 2029 and emphasized key policy priorities such as streamlined permitting, fair market access, grid service remuneration, resilient supply chains, and sustainability to accelerate adoption.

   
   

3. Beyond the Charge: Unlocking the True Value of EV Battery Passports

   The session explored the emerging role of EV battery passports, detailing their regulatory basis, data requirements, and practical implementation for tracking battery lifecycle, carbon footprint, and performance metrics. It highlighted a real-world case with electric buses, demonstrating how dynamic and verifiable battery data can enhance sustainability, after-sales service, and circular economy opportunities.

   
   

4. Time to Act: User Stories Driving EU Battery Passport Compliance

   The session explored the EU battery passport regulation, detailing the requirements, challenges, and lifecycle management of digital product passports for batteries. Key points included the need for accurate, secure, and cumulative data across the battery value chain, practical implementation through digital platforms, and strategies for compliance before the February 2027 deadline. Emphasis was placed on collaboration with partners, interoperability, and ensuring accessibility of data to stakeholders throughout the battery’s lifecycle.

   
   

5. Advancing Next Generation Battery Technology: Techniques and Innovations

   The session focused on advancing next-generation battery technology through high-resolution imaging and innovative workflows. Key highlights included using electron microscopy, dual-beam techniques, and controlled sample transfer to observe battery materials at native states, enabling nanoscale and atomic-scale insights. The discussion also covered real-time, in situ monitoring of structural changes during battery operation to guide material and electrode design for improved performance.

   
   

6. Indian market potentials on BESS

   The session provided an in-depth overview of India’s energy storage landscape, highlighting the rapid growth of lithium-ion (LFP) and pumped hydro projects, supportive policies, and tendering activity driving deployment. Key opportunities were identified in standalone storage, solar/wind plus storage, and emerging markets like C&I, data centers, and recycling, with a focus on sustainable scaling and future integration of second-life batteries.

   
   

7. From Lab to Factory Floor: NMR’s Crucial Role in Battery Excellence

   The session explored the transition of NMR from lab research to practical factory applications, highlighting its role in quality control, electrolyte analysis, and electrode slurry monitoring. It showcased how advanced NMR techniques accelerate battery material development, optimize manufacturing processes, and support sustainability through real-time insights and scalable dry electrode production. Collaboration between instrumentation providers and battery manufacturers was emphasized as key to driving innovation and industrial relevance.

   
   

8. BESS Microgrid Integration for Remote North American Communities

   The case study BESS Microgrid Integration for Remote North American Communities examines how BESS are used alongside conventional generation (e.g. diesel) and renewables to stabilize microgrids in remote, off-grid communities. It highlights key technical challenges like frequency/voltage control, asset dispatch, and ensuring resilience during island operation.

   
   

9. Battery Cycler

   The session explored the growing importance of advanced battery testing amid a rapidly expanding global lithium-ion market, emphasizing key electrical parameters, performance metrics, and safety protocols. It introduced a modern, IoT-connected battery cycler designed for accurate, accessible, and intelligent testing, complemented by an educational curriculum to address the skill gap.

Our 7 keynote addresses at a glance:

1. Unleashing Battery Potential: Advanced Characterization with Analytical Solutions

   This keynote highlighted how Thermo Fisher Scientific’s advanced materials characterization tools enable battery research, process optimization, quality control, and safety improvements. These solutions help engineers better understand material properties, electrode microstructures, and decomposition mechanisms, ultimately driving more efficient, higher-performing, and safer batteries.

   
   

2. Rooted in Europe, Symbiosis and Growth.

   The keynote outlined EVE Energy’s global battery operations, highlighting their diverse product portfolio from primary to EV and energy storage batteries, and rapid revenue growth driven by EV market demand. It emphasized the company’s commitment to supporting European battery manufacturing through knowledge transfer, local partnerships, and industrialization of advanced battery technologies.

   
   

3. Beyond the Charge: Unlocking the True Value of EV Battery Passports

   The keynote session highlighted how digital EV battery passports go beyond regulatory compliance, acting as dynamic, “living” documents that track lifecycle, circularity, and performance data. The session emphasized that integrating fragmented supply chain information into secure, verifiable credentials enables safer, more sustainable operations and unlocks new business opportunities, giving early adopters a competitive advantage ahead of 2027 EU regulations.

   
   

4. Time to Act: User Stories Driving EU Battery Passport Compliance

   This session presented the EU battery passport regulation, highlighting its lifecycle, key stakeholders, and responsibilities for compliance across manufacturing, use, and end-of-life stages. It emphasized how battery passports track around 70 data points, enable secure updates throughout the battery’s life, and ensure continuity even during ownership changes or insolvency, supporting transparency, circularity, and regulatory adherence.

   
   

5. Charge Ahead: The Strategic Impact of NMR on Battery Development

   The keynote highlighted the strategic role of NMR and advanced analytical technologies in accelerating battery R&D, optimizing cell chemistries, and improving manufacturing efficiency. It emphasized linking R&D insights with production through automated workflows and data harmonization to reduce costs, increase flexibility, and support diverse battery portfolios.

   
   

6. From Mining to Markets: Fireside Chat with the Author of Volt Rush

   This session explored the evolving role of batteries beyond EVs, highlighting their critical importance for energy storage in data centers and AI applications. It examined global supply chain dynamics, the challenges Western countries face competing with China, and the growing opportunities for innovation in sustainable mining, new chemistries, and large-scale energy storage.

   
   

7. The CREOCell story: Perseverance leads to success

   The keynote highlighted the development of a disruptive, energy-efficient electro manufacturing technology that replaces traditional wet coating processes, enabling faster, cleaner, and more flexible battery production. It traced the company’s journey from lab prototyping to pilot-scale production, emphasizing perseverance, low capex/opex, and the first industrial partnership to scale the technology globally.

Our warm thanks go to our sponsors & speakers for making this a successful event and a huge thank you to everyone for supporting our mission to share knowledge about battery industry trends and technology development while connecting leading experts throughout a full day of battery-focused discussions.

We look forward to hosting all the battery enthusiasts on Battery Day 2026, 24th September 2026. Battery Day 2026 will feature panels, deep dive sessions, keynote addresses, and networking breaks throughout the day.