Solar Encapsulation Materials (EVA / POE)
Film structure switching as bifacial and N-type modules take over
Cathode, anode, electrolyte, separator and foil: size, technology and the capacity cycle
This report covers the four main battery materials plus copper foil current collectors, sizing 2024–2030 and splitting demand across power, storage and consumer applications. It focuses on the central contradiction of high growth coexisting with overcapacity: 22.5% demand growth in 2025 against 68% utilisation at the top ten cathode makers.
Technology transition is the second thread. Silicon anode penetration jumped from 8% to 14.5%, coated separator from 51% to 67%, and LiFSI loading is rising fast — each shift redistributes profit. The report sets out the industrialisation stage and qualification cycle for each chemistry.
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The gap comes mainly from whether foils, structural parts and recycling are included; always state the boundary.
| Source | Base-year size | Forecast size | CAGR |
|---|---|---|---|
| MarketsandMarkets | 953.4 亿美元 (2024) | — | 14.6% (至 2030) |
| Global Industry Analysts | 407 亿美元 (2024) | 1,295 亿美元 (2030) | 21.3% |
| GEP Research | > 1,800 亿美元 (2025) | — | > 15% 年均 (至 2030) |
Source: 各机构公开发布摘要,2025–2026
This outline is a roadmap: the brief delivered today is 5 pages — abstract, key findings, cross-source table, and scope/players. The chapters below are not in the current brief; they are candidates for chapter purchase or an annual subscription.
Film structure switching as bifacial and N-type modules take over
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