Battery Cover Plate Market Size US 1292 Million in 2024 to Reach US 3386 Million by 2031 Led by Shenzhen Kedali and SANGSIN EDP

According to the recent report from QYResearch, the global Battery Cover Plate market, a critical component of lithium-ion batteries for electric vehicles and energy storage, continues to expand rapidly. In 2024 the market size reached US$ 1,292 million with global production of about 600 million pieces at an average price of US$ 2.5 each. The market is projected to climb to US$ 3,386 million by 2031, growing at a CAGR of 15.6% from 2025 to 2031.

Latest Market Data
• Market size: US$ 1,292m (2024); US$ 3,386m (2031)
• CAGR: 15.6% (2025-2031)
• Production volume: ~600 million pieces (2024)
• Average price: US$ 2.5 per piece
• Technology focus: multi-stage explosion-proof vents, aluminum thin-wall lightweighting, integrated electrical/thermal features
• Market structure: China leads with more than 50% share; Japan and Korea dominate the high-end segment
• Policy environment: U.S. tariff framework in 2025 and Europe's countervailing duties are reshaping global sourcing and investment decisions

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Leading Companies
Shenzhen Kedali Industry
SANGSIN EDP
Zhenyu Technology
Wuxi Jinyang New Material
Zhongrui Electronic Technology
Shenzhen Everwin Precision
Changzhou Red Fairy
Zhejiang Zhongze Precision Technology
Shinheung SEC
Fuji Spring
SCHOTT
Jie Jing Precision
Hefei Lixiang
SuZhou Sumzone
Guangdong Hoshion Industrial Aluminium
Shenzhen Xindongda
Ningbo Fangzheng

Classification
By Type
• Round
• Square

By Application
• Prismatic Battery
• Cylindrical Battery

Company Updates and Achievements (2025)
Samsung SDI started mass production of large-format 46-mm cylindrical cells in April 2025, requiring new-generation cover plates with higher venting precision and stronger reinforcement.

Shenzhen Kedali secured a contract to supply more than 200 million prismatic cases and covers to Automotive Cells Company in Europe through 2030, alongside localized manufacturing expansion in Hungary.

SANGSIN EDP together with Shinheung SEC entered North American supply chains, providing can and cap parts for the Samsung SDI-GM battery joint venture.

SCHOTT expanded deployment of glass-to-metal sealed battery lids, achieving leak rates below 1×10-8 mbar·L/s to meet growing demand for ultra-long service life in EV and ESS.

Fuji Spring advanced its precision safety valve technology for top covers, ensuring burst pressures remain within tightly controlled ranges for improved battery safety.

Product Highlights
Shenzhen Kedali Industry - Prismatic Cover Plate
• Precision stamped and laser-welded aluminum alloy cap assembly
• Integrated explosion-proof valve and SSD flip tab design
• Major supply agreement with ACC in Europe exceeding 200 million sets
SANGSIN EDP - Prismatic Can & Cap Set
• Thin-wall deep-drawn aluminum structure (~0.17 mm thickness)
• High-strength lightweight design to increase cell energy density
• Selected to supply Samsung SDI-GM joint venture
Fuji Spring - Safety Valve for Cover Plates
• Press-formed safety valve with controlled burst pressure
• Ensures rapid pressure release at defined thresholds
• Designed for large-scale mass production consistency
SCHOTT - Hermetic Glass-to-Metal Sealed Lid
• Leak rate below 1×10-8 mbar·L/s
• High insulation resistance and long service life
• Applied in EV and stationary storage requiring >10 years durability
Shinheung SEC - Automotive Prismatic Cap Assembly
• Advanced venting and sealing solution for EV batteries
• Proven multi-stage safety design
• Secured supply contracts with Samsung SDI-GM

Verified Downstream Users
CATL
BYD (FinDreams Battery)
LG Energy Solution
Samsung SDI
Panasonic Energy
SK On
EVE Energy
CALB
Gotion High-Tech
Farasis Energy
Envision AESC
Tianjin Lishen
Sunwoda
Amper-ex Technology Limited (ATL)
Northvolt

Market Trends
Large Cylindrical Battery Demand
The introduction of 46-mm cylindrical batteries such as Tesla's 4680 and Samsung SDI's April 2025 rollout is reshaping cover plate requirements. These cells, with capacities exceeding 20 Ah, demand thicker sealing beads and precisely calibrated venting mechanisms.

CTP and CTC Integration
Cell-to-Pack and Cell-to-Chassis designs are eliminating module structures. This reduces parts count but increases reliance on cover plates to provide robust safety functions. By 2025, nearly half of new EVs sold in China already incorporate CTP, making cover plate reliability a critical differentiator.

Hermetic Sealing Becomes Mainstream
For energy storage and high-cycle EV platforms, hermetic sealing using glass-to-metal technology is gaining traction. Leak rate requirements below 1×10-8 mbar·L/s are becoming common in RFQs, setting new industry standards.

Pack-Level Venting Systems
Automakers are increasingly adopting dual-layer safety strategies. Cell-level cover plates provide first-stage venting, while pack-level membranes open at ~40 mbar differential pressure to prevent catastrophic failure propagation.

Localization Under Trade Pressure
Tariff adjustments in the U.S. and Europe are accelerating local manufacturing. Chinese leaders such as Kedali are building European plants, while Korean suppliers like SANGSIN EDP and Shinheung SEC are expanding in North America to serve joint ventures.

Lightweight Materials and Process Innovation
Aluminum thin-wall structures down to 0.17 mm and advanced laser welding are enabling lighter covers without compromising safety. This trend supports both EV range improvements and cost competitiveness.

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Tighter Safety Standards
Industry safety standards are converging on stricter thresholds for vent pressure and sealing performance. Automakers and regulators demand repeatable results across millions of units, reinforcing barriers for new entrants and rewarding companies with deep process expertise.

Conclusion
The Battery Cover Plate industry in 2025 is at a strategic inflection point. With EV adoption accelerating, structural innovations like CTP, and geopolitical trade shifts, demand is both scaling rapidly and becoming more technically demanding. Companies that combine localized production, proprietary sealing technologies, and lightweight high-strength materials are set to lead this next chapter of growth.

Chapter Outline:

Chapter 1: Introduces the report scope of the report, executive summary of different market segments (by region, product type, application, etc), including the market size of each market segment, future development potential, and so on. It offers a high-level view of the current state of the market and its likely evolution in the short to mid-term, and long term.
Chapter 2: key insights, key emerging trends, etc.
Chapter 3: Manufacturers competitive analysis, detailed analysis of the product manufacturers competitive landscape, price, sales and revenue market share, latest development plan, merger, and acquisition information, etc.
Chapter 4: Provides profiles of key players, introducing the basic situation of the main companies in the market in detail, including product sales, revenue, price, gross margin, product introduction, recent development, etc.
Chapter 5 & 6: Sales, revenue of the product in regional level and country level. It provides a quantitative analysis of the market size and development potential of each region and its main countries and introduces the market development, future development prospects, market space, and market size of each country in the world.
Chapter 7: Provides the analysis of various market segments by Type, covering the market size and development potential of each market segment, to help readers find the blue ocean market in different market segments.
Chapter 8: Provides the analysis of various market segments by Application, covering the market size and development potential of each market segment, to help readers find the blue ocean market in different downstream markets.
Chapter 9: Analysis of industrial chain, including the upstream and downstream of the industry.
Chapter 10: The main points and conclusions of the report.

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