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Solid-State Battery Race Heats Up: InterBattery 2026 Reveals New Global Industry Frontiers**
Release time:
2026-03-13
Release Date: March 13, 2026
Recently, InterBattery 2026, Korea's largest battery exhibition, grandly opened at COEX in Seoul, attracting 667 companies from 14 countries to showcase the latest global advancements in battery technology. The exhibition's biggest highlight was the simultaneous launch of solid-state batteries and AI data center-focused energy storage products by Korea's three major battery giants—LG Energy Solution, Samsung SDI, and SK On—marking an accelerated shift in global industry competition from traditional lithium-ion to next-generation technologies.
【Solid-State Batteries: Mass Production Timelines Clarified for the First Time】
In the solid-state battery arena, Korean companies publicly disclosed clear product roadmaps for the first time:
LG Energy Solution unveiled its sulfide-based solid-state battery for the first time and announced plans to deploy next-generation solid-state batteries for humanoid robot applications by 2030. Additionally, research results from LG Energy Solution's collaboration with Professor Shirley Meng's team at the University of Chicago on all-solid-state batteries were published in *Nature Communications* at the end of February. The study features an all-solid-state battery utilizing a sulfur cathode that achieves a high capacity of approximately 1,500 mAh/g while maintaining stable cycle life.
Samsung SDI introduced pouch-type all-solid-state battery samples targeting physical AI applications and officially named its all-solid-state battery brand "SolidStack." According to plans, the product will enter mass production in the second half of 2027, targeting robotics and aviation systems.
SK On demonstrated next-generation technologies including sulfide-based all-solid-state batteries, polymer-oxide composite batteries, and lithium-metal batteries. The company also showcased autonomous mobile robots (AMRs) co-developed with Hyundai Wia, demonstrating its expansion potential in the robotics sector.
【Energy Storage Track: AI Data Centers Emerge as New Battleground】
With the explosive growth in AI computing power demand, data center-oriented energy storage solutions became another major focus of the exhibition:
LG Energy Solution launched its grid-scale energy storage solution "JF2 DC LINK 5.0," becoming the first Korean company to adopt lithium iron phosphate (LFP) batteries for energy storage. Leveraging the chemical stability of LFP batteries, this product achieves dual improvements in fire safety and operational efficiency, with mass production scheduled for May this year. Additionally, LG introduced emergency backup power solutions for AI data centers, including the LFP-based JP6 uninterruptible power supply (UPS) cabinet system and battery backup unit (BBU) solutions.
Samsung SDI exhibited its comprehensive line of SBB container-type energy storage system solutions, with the LFP-based SBB 2.0 energy storage system scheduled for mass production in the second half of this year. Furthermore, Samsung introduced ultra-high-power cylindrical batteries specifically designed for backup power applications, expected to increase standby power duration during outages by more than 50%.
SK On highlighted its pouch-type energy storage batteries, reportedly achieving approximately 14-19% higher energy density compared to traditional LFP batteries. SK On also showcased for the first time "immersion cooling" technology co-developed with SK Enmove, which submerges batteries in specialized liquid to eliminate fire hazards.
【Market Outlook: Robotics and UAM Emerge as New Growth Engines】
Industry consensus in Korea suggests that energy storage systems (ESS), AI data centers, robotics, and urban air mobility (UAM) will become new growth drivers for the battery industry. According to industry estimates, global demand for robot batteries is projected to surge from 0.03 GWh in 2025 to 1.4 GWh by 2030, while power battery demand for UAM applications is expected to reach 3.7 GWh in 2030 and explode to 68.0 GWh by 2035.
【Industry Observation】
InterBattery 2026 clearly reveals a trend: global competition in the battery industry has expanded comprehensively from the单一 electric vehicle market to diversified application scenarios including energy storage, AI data centers, and robotics. Solid-state battery mass production timelines have been clarified for the first time, the LFP technology route has further consolidated its position in the energy storage sector, and Korean companies are attempting to catch up with and surpass China through next-generation technologies.
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