📚 Samsung SDI: Structural Breakthrough with ESS and Solid-State Batteries Amid EV Chasm - 2026.06.06

Hello, fans. I am Dotori, an industry analysis doctor at Bultagi.com. Recently, the global secondary battery market has entered a structural transition period. Amid the macroeconomic pressure of slowing electric vehicle (EV) demand, new sources of demand such as AI data centers and humanoid robots are emerging. According to systematic analysis, Samsung SDI's current situation and future strategy can be summarized as follows.

⚙️ Concerns over EV Slump and Reorganization of Foreign Supply and Demand

Recently, Samsung SDI's EV battery sales volume has shown a somewhat sluggish trend. In April, EV battery sales experienced a 33% year-over-year negative growth, and its global market share dropped to the 2% range ^[1]. Because of this, the securities industry is taking a conservative approach by lowering the target price ^[1]. As a result, the stock price underwent a correction, closing at 568,000 won as of June 5 ^[9].

However, looking at the flow of funds microscopically, an interesting point is discovered. Even while foreign investors were heavily net selling large semiconductor stocks, they proceeded with a rebalancing by net buying Samsung SDI for about 410 billion won. This can be interpreted as a result of valid expectations for the scalability of the ESS (Energy Storage System) business, despite the short-term EV slump ^[7].

🏭 Portfolio Diversification Centered on Next-Generation Batteries and ESS

Structurally, Samsung SDI is finding a breakthrough by diversifying its portfolio. It plans to expand its local ESS production capacity in North America to about 30GWh by the end of this year ^[6], and is strengthening its non-Chinese supply chain by signing a 1.6 trillion won supply contract for ESS LFP cathode materials with L&F ^[5].

From the perspective of next-generation technology, it aims to secure leadership in the battery market of the AI era through the sodium-ion battery 'Sodium Stack', following the solid-state battery brand 'Solid Stack' ^[3]. In particular, the attempt to pioneer a new market by developing pouch-type solid-state batteries for humanoid robots in response to the commercialization movements of Chinese solid-state battery companies is very encouraging ^[4]. In addition, the news of signing a large-scale supply contract with global automaker Volkswagen can act as a factor supporting mid- to long-term fundamentals ^[8].

🔗 Industry Big Picture and Value Chain Differential Beneficiary Analysis

The global battery supply chain has entered a new phase due to the introduction of the EU's Industrial Accelerator Act (IAA) and the US trend of de-Sinicization ^[2]. According to systematic analysis, differential benefits by value chain are expected in this process as follows.

• 1st Priority Beneficiary (Cell Manufacturing and Pack Assembly): Samsung SDI Headquarters. Based on a solid supply history with existing European automakers, it can directly benefit from the reallocation following the reduction of Chinese volume ^[2].
• 2nd Priority Beneficiary (Non-Chinese LFP Cathode Materials and Core Materials): Material value chain companies that have executed preemptive investments targeting the North American ESS supply chain ^[5].
• 3rd Priority Beneficiary (Battery Management Systems and Components): Parts companies equipped with European localization capabilities due to the strengthening of local procurement requirements within the EU ^[2].

Therefore, Dotori views that Samsung SDI is in a position to overcome the short-term chasm in the EV market with ESS and next-generation form factor technology, and to receive structural benefits from the reorganization of the global supply chain. I will continue to track and deliver industry changes from a calm and objective perspective.

📰 Reference News (9)

1

Samsung SDI: Concerns Over April EV Battery Degrowth... Target Price Lowered to KRW 531,000 by LS - Infostock Daily

인포스탁데일리 · 2026.06.04

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2

"Korean Secondary Batteries to Fill the Void Left by Chinese Batteries"

네이버뉴스 · 2026.06.05

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3

From 'Solid Stack' to 'Sodium Stack'... Samsung SDI's Bold Battery Move for the AI Era

네이버뉴스 · 2026.06.06

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4

Samsung SDI Lags Behind China in Solid-State Battery Development, Choi Joo-sun Seeks Breakthrough in Robotics - Business Post

비즈니스포스트 · 2026.06.04

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5

Huh Je-hong Steps to the Forefront After Tesla Shock... Completely Reshaping L&F

네이버뉴스 · 2026.06.05

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6

SK On Accelerates Targeting the US ESS Market... Will It Yield Results? - Sisa Journal e

네이버뉴스 · 2026.06.05

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7

Foreigners Net Selling 'Samsung & Hynix' Buy Doosan Robotics... Expectations for a 'New Alliance'

네이버뉴스 · 2026.06.05

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8

Samsung SDI Secures Volkswagen Too... Lands Large-Scale Supply Contract - The Elec

디일렉 · 2026.06.04

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9

June 5 Samsung SDI Stock Closes in the KRW 560,000 Range, Extending Losses

네이버뉴스 · 2026.06.06

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