Why Rapid Market Growth Is Not Translating Into Equal Growth for Every Battery Maker

📰 iAtlas Daily #31 | August 2026

📰 What Happened?

The global electric vehicle battery market continued to expand rapidly during the first half of 2026.

According to data from SNE Research, global battery usage in electric vehicles reached approximately 608.5 GWh between January and June, representing roughly 20% year-over-year growth.

But the more important story is where that growth is going.

Chinese battery manufacturers continued to expand their presence across the global market, while the combined market share of Korea’s three major battery companies declined.

This suggests that the next phase of battery competition may be defined less by overall EV market growth—and more by who captures that growth.

📊 CATL Remains the Clear Global Leader

CATL remains at the center of the global battery industry.

Its EV battery installations reached approximately 242.2 GWh in the first half of 2026, giving the company a market share of roughly 39.8%.

BYD remained another major force, while other Chinese manufacturers—including CALB, Gotion, EVE Energy and SVOLT—continued competing for global scale.

The result is increasingly clear:

China’s battery advantage is no longer based on one or two companies. It is becoming an ecosystem advantage.

🇰🇷 What About Korean Battery Makers?

The situation is more complicated for Korea’s major battery manufacturers.

LG Energy Solution, SK On, and Samsung SDI remain among the world’s important battery suppliers.

However, their combined global market share declined during the first half of 2026 even as overall battery demand continued growing.

That distinction matters.

A growing market does not automatically guarantee growing competitive position.

Battery companies must simultaneously compete on:

Cost
Manufacturing scale
Chemistry
Supply chains
Customer relationships
Regional production
Energy density
Safety

Chinese manufacturers have become particularly competitive in LFP batteries and large-scale manufacturing.

💡 Why This Matters

For several years, the global battery industry benefited from a relatively simple assumption:

More EVs = more opportunities for every battery manufacturer.

The market is now becoming more complicated.

EV demand is still growing, but competition between battery manufacturers is becoming significantly more intense.

Chinese manufacturers are expanding outside China while simultaneously benefiting from enormous domestic manufacturing scale.

That creates a difficult competitive environment for Korean, Japanese, European, and emerging battery manufacturers.

🔋 Battery Chemistry Is Part of the Story

One important factor behind China’s expansion is LFP battery technology.

LFP batteries generally offer:

Lower material costs
Strong thermal stability
Long cycle life
Reduced reliance on nickel and cobalt

Their lower energy density historically limited adoption in some long-range EV applications.

But improvements in battery pack design and cell technology have made LFP increasingly competitive across mainstream EV segments.

This has strengthened manufacturers with large LFP production capabilities.

🌍 The Competition Is Moving Overseas

Perhaps the bigger question is no longer what happens inside China.

It is:

How successfully can Chinese battery companies expand internationally?

Europe has become one of the most important battlegrounds.

CATL and other Chinese manufacturers are expanding manufacturing networks and customer relationships outside their domestic market.

At the same time, Korean manufacturers are trying to defend their positions through local manufacturing, new chemistries, cost reduction, and partnerships with global automakers.

The global battery competition is therefore moving from an export race toward a localized manufacturing race.

🏭 Industry Impact

Battery Manufacturers

Scale and manufacturing efficiency are becoming increasingly important competitive advantages.

Battery Materials

The expansion of LFP creates additional opportunities for lithium, phosphate, graphite, electrolyte, and separator suppliers.

Battery Equipment

New global battery plants will continue generating demand for coating, calendaring, stacking, winding, formation, inspection, and automation equipment.

Automakers

Automakers may gain greater negotiating power as more battery suppliers compete for global contracts.

👀 What to Watch

Several indicators will be particularly important during the second half of 2026:

CATL’s overseas expansion
Korean battery makers’ global market share
LFP adoption outside China
European battery manufacturing
Battery price competition
ESS battery growth
Next-generation battery technologies

The key question is no longer simply whether the battery market will grow.

It is which companies will capture that growth.

🎯 Atlas Insight

The first half of 2026 highlights an important transformation in the battery industry.

The market itself is still expanding.

But market growth and competitive success are becoming two different things.

China has built advantages across multiple layers of the battery ecosystem—from materials and cells to manufacturing scale and increasingly overseas production.

For Korean battery manufacturers, the next competitive phase may therefore require more than technological leadership.

Cost, scale, localization, chemistry strategy, and manufacturing efficiency will increasingly determine who leads the global battery industry.

The battery race is becoming a manufacturing race.

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Sources

Yonhap — Global EV Battery Usage Rises 20% in H1 2026
ETNews — H1 EV Battery Usage Rises 20% as Chinese Suppliers Expand Share
CnEVPost — Global EV Battery Market Share in H1 2026

The reported figures originate from SNE Research’s latest battery market data.

About iAtlas

iAtlas is an independent publication covering batteries, semiconductors, OLED, advanced materials, AI, and global industrial trends.

We transform complex industrial developments into clear, reliable, and easy-to-understand insights.

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