Wet Separators for Lithium-ion Batteries Research:CAGR of 7.0% during the forecast period

QY Research Inc. (Global Market Report Research Publisher) announces the release of 2025 latest report "Wet Separators for Lithium-ion Batteries- Global Market Share and Ranking, Overall Sales and Demand Forecast 2025-2031". Based on current situation and impact historical analysis (2020-2024) and forecast calculations (2025-2031), this report provides a comprehensive analysis of the global Wire Drawing Dies market, including market size, share, demand, industry development status, and forecasts for the next few years.

The global market for Wet Separators for Lithium-ion Batteries was estimated to be worth US$ 856 million in 2024 and is forecast to a readjusted size of US$ 1243 million by 2031 with a CAGR of 5.9% during the forecast period 2025-2031.

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Wet Separators for Lithium-ion Batteries Market Summary

The wet process is also known as the thermally induced phase separation method. The wet process adopts the principle of thermally induced phase separation. The plasticizer is mixed with the polyolefin resin. Solid-liquid phase/liquid-liquid phase separation occurs during the cooling of the molten mixture. The membrane is pressed and heated to a temperature close to the melting point. It is then stretched to align the molecular chains. The film is kept warm and a volatile solvent is used to extract the plasticizer from the film to produce a diaphragm. Separator usually refers to a porous membrane material located between the positive and negative electrodes of a battery. Its main function is to prevent the positive and negative electrodes from directly contacting each other and causing a short circuit, while allowing electrolyte ions to pass through to maintain the battery's charge and discharge process.

According to the new market research report "Global Wet Separators for Lithium-ion Batteries Market Report 2025-2031", published by QYResearch, the global Wet Separators for Lithium-ion Batteries market size is projected to reach USD 6.09 billion by 2031, at a CAGR of 7.0% during the forecast period.

Figure00002. Global Wet Separators for Lithium-ion Batteries Market Size (US$ Million), 2020-2031

Above data is based on report from QYResearch: Global Wet Separators for Lithium-ion Batteries Market Report 2025-2031 (published in 2025). If you need the latest data, plaese contact QYResearch.

Figure00003. Global Wet Separators for Lithium-ion Batteries Top 10 Players Ranking and Market Share (Ranking is based on the revenue of 2024, continually updated)

Above data is based on report from QYResearch: Global Wet Separators for Lithium-ion Batteries Market Report 2025-2031 (published in 2025). If you need the latest data, plaese contact QYResearch.

According to QYResearch Top Players Research Center, the global key manufacturers of Wet Separators for Lithium-ion Batteries include Semcorp, Putailai, Senior, Gellec, TORAY, etc. In 2024, the global top five players had a share approximately 71.0% in terms of revenue.

Figure00004. Wet Separators for Lithium-ion Batteries, Global Market Size, Split by Product Segment

Based on or includes research from QYResearch: Global Wet Separators for Lithium-ion Batteries Market Report 2025-2031.

Wet Separators for Lithium-ion Batteries is a microporous membrane material, mainly used to separate the positive and negative electrodes in lithium-ion batteries to prevent short circuits caused by direct contact, while allowing lithium ions to complete charging and discharging through micropores. It is usually made of high molecular compounds such as polyolefins (such as polypropylene PP, polyethylene PE) or polyvinyl alcohol. Compared with dry separators, wet separators are superior in thickness uniformity, mechanical properties (tensile strength, puncture resistance), air permeability, physical and chemical properties (wettability, chemical stability, safety), etc. Wet separators occupy the vast majority of the market share in the lithium-ion battery market due to their performance advantages, especially in the field of high energy density batteries (such as new energy vehicles and energy storage systems).

With the rapid growth of the new energy vehicle market and the popularization of energy storage systems, the market demand for wet separators is expected to continue to grow.

Policy dividends continue to be released

Global new energy policy promotion: EU, US and China's subsidies for new energy vehicles and energy storage systems (such as China's "New Energy Vehicle Industry Development Plan"), tax incentives and R&D support (such as China's maximum 15% R&D subsidy) directly stimulate the growth of lithium battery demand.

Technology iteration breaks through performance bottlenecks

Advantages of wet process: wet separators have higher porosity (>40%) and better air permeability, and are suitable for high-energy density batteries (such as ternary lithium batteries). Coating technology (ceramics, PVDF, etc.) further improves puncture resistance and thermal stability.

In the future, although there is a continuous growth in demand in the downstream market of wet separators for lithium-ion batteries, the large-scale expansion of leading companies still has the risk of long-term overcapacity. Driven by policies, technology and downstream demand, the wet separator market is accelerating its evolution towards high-end, green and globalization. Chinese companies need to continue to innovate to consolidate their global leading position.

The report provides a detailed analysis of the market size, growth potential, and key trends for each segment. Through detailed analysis, industry players can identify profit opportunities, develop strategies for specific customer segments, and allocate resources effectively.

The Wet Separators for Lithium-ion Batteries market is segmented as below:

By Company

Semcorp
Sinomatech
Gellec
Asahi Kasei
Senior
ZIMT
Tianfeng Material
SKI
Mitsubishi Chemical
Huiqiang New Energy
ENTEK

Segment by Type

Coated Separator
Uncoated Separator

Segment by Application

Power Battery
Consumer Battery
Energy Storage Battery

Each chapter of the report provides detailed information for readers to further understand the Wet Separators for Lithium-ion Batteries market:

Chapter 1: Introduces the report scope of the Wet Separators for Lithium-ion Batteries report, global total market size (valve, volume and price). This chapter also provides the market dynamics, latest developments of the market, the driving factors and restrictive factors of the market, the challenges and risks faced by manufacturers in the industry, and the analysis of relevant policies in the industry. (2020-2031)

Chapter 2: Detailed analysis of Wet Separators for Lithium-ion Batteries manufacturers competitive landscape, price, sales and revenue market share, latest development plan, merger, and acquisition information, etc. (2020-2025)

Chapter 3: Provides the analysis of various Wet Separators for Lithium-ion Batteries 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. (2020-2031)

Chapter 4: 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.(2020-2031)

Chapter 5: Sales, revenue of Wet Separators for Lithium-ion Batteries in regional level. It provides a quantitative analysis of the market size and development potential of each region and introduces the market development, future development prospects, market space, and market size of each country in the world..(2020-2031)

Chapter 6: Sales, revenue of Wet Separators for Lithium-ion Batteries in country level. It provides sigmate data by Type, and by Application for each country/region.(2020-2031)

Chapter 7: 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. (2020-2025)

Chapter 8: Analysis of industrial chain, including the upstream and downstream of the industry.

Chapter 9: Conclusion.

Benefits of purchasing QYResearch report:

Competitive Analysis: QYResearch provides in-depth Wet Separators for Lithium-ion Batteries competitive analysis, including information on key company profiles, new entrants, acquisitions, mergers, large market shear, opportunities, and challenges. These analyses provide clients with a comprehensive understanding of market conditions and competitive dynamics, enabling them to develop effective market strategies and maintain their competitive edge.

Industry Analysis: QYResearch provides Wet Separators for Lithium-ion Batteries comprehensive industry data and trend analysis, including raw material analysis, market application analysis, product type analysis, market demand analysis, market supply analysis, downstream market analysis, and supply chain analysis.

and trend analysis. These analyses help clients understand the direction of industry development and make informed business decisions.

Market Size: QYResearch provides Wet Separators for Lithium-ion Batteries market size analysis, including capacity, production, sales, production value, price, cost, and profit analysis. This data helps clients understand market size and development potential, and is an important reference for business development.

Other relevant reports of QYResearch:

Global Wet Separators for Lithium-ion Batteries Sales Market Report, Competitive Analysis and Regional Opportunities 2025-2031
Global Wet Separators for Lithium-ion Batteries Market Research Report 2025
Global Wet Separators for Lithium-ion Batteries Market Insights, Forecast to 2031

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