薄膜電池市場シェア分析、業界動向と統計、成長予測 2026-2031年

薄膜電池市場規模は、2025年の2億6,803万米ドル、2026年の3億1,568万米ドルから、2031年には7億7,445万米ドルに成長し、2026年から2031年までの年平均成長率（CAGR）は19.66%に達するとMordor Intelligenceでは予測しています。

防衛機関、医療機器メーカー、そして家電メーカーは、薄膜電池アーキテクチャに注目しています。これは、薄膜電池がサブミリメートルサイズの小型化、固体電池特有の安全性、そして高速充電を可能にするためです。DARPA（米国防高等研究計画局）による兵士装着型電源プログラム、固体マイクロ電池を搭載した埋め込み型刺激装置、そして5mm未満の薄型デバイスを目指すスマートウォッチメーカーなどが、市場需要を牽引する要因となっています。ロールツーロール真空蒸着技術の進歩により、単価が下がり、印刷型電池は従来のコイン型電池とコスト競争力を持つようになっています。 LiPON電解質と全固体積層構造に関する知的財産の集中は、参入障壁を高める一方で、機関投資家の投資を呼び込む技術成熟度を示している。2027年以降、EU電池規則に基づくトレーサビリティ規制が強化されるにつれ、フレキシブルセルにデジタルパスポートを直接組み込むことができるサプライヤーは、契約上の優遇措置を受けられる立場になる。

主要レポートの要点

• 電池の種類別に見ると、充電式電池は2025年時点で薄膜電池市場の73.57%を占め、2031年まで年平均成長率（CAGR）20.69%で拡大すると予測されています。
• 技術別に見ると、印刷型電池は2025年時点で薄膜電池市場の収益の81.64%を占め、2031年まで年平均成長率21.47%で成長すると予測されています。
• 用途別に見ると、医療機器は2025年時点で薄膜電池市場の54.97%を占め、ウェアラブル技術は2031年まで年平均成長率25.36%で成長しています。
• 地域別に見ると、欧州は2025年の収益の52.11%を占めて市場をリードし、アジア太平洋地域は2031年まで年平均成長率22.35%で最も速い成長を記録しています。

Thin Film Battery Market Analysis by Mordor Intelligence

The Thin Film Battery Market size is projected to expand from USD 268.03 million in 2025 and USD 315.68 million in 2026 to USD 774.45 million by 2031, registering a CAGR of 19.66% between 2026 and 2031.

Defense agencies, medical-device innovators, and consumer-electronics brands are converging on thin-film architectures because they allow sub-millimeter form factors, intrinsic solid-state safety, and high-speed charging. Soldier-worn power programs under DARPA, implantable stimulators qualified with solid-state micro-batteries, and smartwatch makers targeting <5 mm device thickness are the immediate demand catalysts. Roll-to-roll vacuum-deposition upgrades are driving down unit costs, making printed formats cost-competitive with legacy coin cells. Intellectual-property concentration around LiPON electrolytes and all-solid-state laminate stacks raises entry barriers yet signals technology maturity that attracts institutional capital. As traceability rules under the EU Batteries Regulation tighten after 2027, suppliers able to embed digital passports directly onto flexible cells are positioned for contractual preference.

Key Report Takeaways

• By battery type, rechargeable cells held 73.57% of thin film battery market share in 2025 and are projected to expand at a 20.69% CAGR through 2031.
• By technology, printed batteries commanded 81.64% revenue share of the thin film battery market in 2025, while the segment is forecast to grow at 21.47% CAGR to 2031.
• By application, medical devices accounted for a 54.97% share of the thin film battery market size in 2025, and wearable technology is advancing at a 25.36% CAGR through 2031.
• By region, Europe led with 52.11% of 2025 revenues, while Asia-Pacific is registering the fastest growth at 22.35% CAGR to 2031.

Note: Market size and forecast figures in this report are generated using Mordor Intelligence’s proprietary estimation framework, updated with the latest available data and insights as of January 2026.

Global Thin Film Battery Market Trends and Insights

Surge in Wearable & IoT Device Production

Global shipments of smartwatches, earbuds, service robots, and industrial sensors are creating sustained pull for sub-1 Ah planar cells. TDK’s thin-film inductors introduced for true-wireless-stereo earbuds make mechanical coin cells obsolete in devices where every cubic millimeter counts.[1] Ensure batteries reach 90% charge in under 25 minutes, supporting daily-wear gadgets without bulky housings. Samsung SDI forecasts robot demand rising from 500,000 units in 2025 to 2.04 million by 2030, and it unveiled a solid-state pouch cell to serve that wave.[2] Energy-harvesting modules such as Dracula Technologies’ LayerVault OPV sheets buffer intermittent power for logistics sensors, lifting thin film battery market volumes across consumer and industrial use cases. The synergy between ambient-light harvesters and flexible micro-cells underpins the replacement of CR2032 batteries in temperature loggers and asset tags.

Miniaturization Trend in Consumer Electronics

Device makers are setting chassis thickness targets below 5 mm for smart cards, AR glasses, and biometric tags, forcing a pivot to flat battery geometries. BTRY’s 1S4P cell, barely 0.1 mm thick yet delivering 50 mAh in one-minute charges, exemplifies innovation that unlocks active security authentication inside ID cards.[3] Planar cells laminate directly onto flex circuits, skip wire-bond fixtures, and cut assembly time, giving OEMs a compelling cost-of-ownership story even when volumetric energy is lower than 18650 standards. The design freedom enables curved smartwatch backs and bezel-less displays while maintaining device rigidity. Because the operating profile is intermittent rather than continuous, consumers accept daily re-charging in exchange for lighter wearables, driving repeat orders across the thin film battery market.

Rising Demand for Solid-State Micro-Batteries in Medical Implants

Regulatory open-door policies for solid-state chemistries remove concerns over electrolyte leakage in Class II implantables. Ilika’s Stereax M300, qualified in 2025, powers peripheral nerve stimulators and continuous glucose monitors with predictable discharge curves over ten-year implant lives.[4] The FDA has shaved roughly six months off 510(k) clearances for devices employing solid-state cells, encouraging OEM pipeline expansion. Bioresorbable zinc-based thin-film batteries position startups for transient wound-care sensors that safely dissolve after therapy completion. Predictable voltage output simplifies firmware design, cutting validation cycles and giving incumbents a head-start against emerging sodium-ion microsystems. Together, these factors enlarge the thin film battery market among medical OEMs seeking miniaturized, safe, and maintenance-free power sources.

Roll-to-Roll PVD Scale-Ups Reducing Per-Unit Costs

Equipment vendors are adapting semiconductor deposition tools for continuous web processing, achieving 2 µm/h spatial ALD and 1 µm/s e-beam titanium sputtering that slashes tack times. BTRY’s solvent-free roll-to-roll lines eliminate drying ovens, cutting energy use 30% and pushing consumable yield above 90%. Ilika’s pilot facility reached 93% first-pass yield on 10 Ah prototypes, confirming scalability metrics attractive to automotive Tier-1 suppliers. High European labor costs become less punitive as automation density rises, narrowing Asia’s wage advantage and spurring regional diversification of thin film battery market capacity.

Limited Energy Density Versus Bulk Li-ion Batteries

Thin-film cells provide 100-200 Wh/L, about one-third of advanced 21700 cylindrical formats now touching 320 Wh/kg. Ionic conductivity in LiPON remains at the 10⁻⁶ S/cm level, capping discharge rates and precluding use in power tools. As EV-grade packs adopt silicon-graphite anodes, the performance contrast widens, making it harder for the thin film battery market to win long-duration or high-drain slots. Smartwatch makers chasing multiday runtimes sometimes revert to coin cells, and AR headset OEMs blend small lithium-polymer pouches for auxiliary loads. Composite electrolyte R&D could double conductivity, yet commercialization after 2027 offers no relief during the current forecast window.

High CAPEX for Vacuum Deposition Tooling

Laser pulsed-deposition units alone cost USD 100,000-750,000, with a modest 1.5 MWh pilot line totaling USD 8-12 million in capital before clean-room fit-out. Mid-tier entrants struggle to secure such funding, slowing ecosystem expansion and leaving production clustered around conglomerates capable of amortizing semiconductor fabs. Ceramic sputter targets run into the tens of thousands of dollars, and utilization often falls below 40%, inflating material cost curves. Roll-to-roll automation promises relief but demands process retooling that defers payback well beyond five years. In regions lacking subsidy frameworks, particularly North America and parts of Europe, these hurdles temper the otherwise robust thin film battery market growth outlook.

*Our forecasts treat driver/restraint impacts as directional, not additive. The impact forecasts reflect baseline growth, mix effects, and variable interactions.

Segment Analysis

By Battery Type: Rechargeable Cells Extend Lead in Long-Cycle Use

Rechargeable thin-film cells accounted for 73.57% of 2025 revenue and are forecast to grow at 20.69% CAGR, reinforcing their dominance in the thin film battery market. This cohort benefits from smartwatch, humanoid-robot, and medical-implant workloads that demand thousands of charge cycles. Samsung SDI’s SolidStack prototypes deliver eight-hour duty cycles in service robots and promise fast top-ups during shift changes. Non-rechargeable primary cells still power disposable smart packaging where unit economics dictate pennies per label, yet their share in the thin film battery market is shrinking as IoT device operators calculate life-cycle cost advantages of rechargeability.

ISO/IEC 7810 durability tests and UN 38.3 transport certification shape R&D roadmaps, pushing vendors to validate thermal stability above 1,000 cycles and shelf life beyond five years. Defense logistics add momentum as the STUB standard adopts rechargeable formats to slash field battery shipments. Consequently, the thin film battery industry is funneling R&D budgets toward cycle-life extension through LiPON refinement and anode-free stack designs, reinforcing the share supremacy of secondary chemistries.

By Technology: Printed Formats Scale Fast on Cost and Flexibility

Printed batteries captured 81.64% of thin film battery market share in 2025 and will rise at 21.47% CAGR through 2031. Screen and inkjet techniques allow direct deposition onto paperboard and polymer films, fulfilling the EU digital battery-passport mandate from 2027 with serialized QR tags laminated into cartons. The thin film battery market size tied to printed lines is projected to jump as food-packaging schemes funded by NIFA move toward volume trials.

Ceramic thin-film batteries, prized for ≥150 °C tolerance, occupy niche industrial sensor applications. Lithium-polymer cells bridge flexibility and moderate capacity, feeding wearable-health patches that must bend with human skin. Solid-state chip batteries fabricated at wafer scale serve real-time clocks in micro-controllers but encounter wafer-cost ceilings that limit output. As scale economics overwhelmingly favor printability, roll-to-roll web widths wider than 600 mm are coming online, sharply trimming overhead and fortifying printed technology’s leadership in the thin film battery market.

By Application: Medical Devices Dominate While Wearables Accelerate

Medical devices brought in 54.97% of 2025 revenue, reflecting strict biocompatibility needs that only solid-state architectures satisfy. Implantable stimulators, drug pumps, and continuous glucose monitors hinge on predictable voltage curves over decadal lifetimes. Parallel momentum comes from bioresorbable sensors using zinc or magnesium anodes that dissolve harmlessly in vivo.

Wearable technology is registering the quickest climb at 25.36% CAGR, birthing a sizable slice of the upcoming thin film battery market size. TDK component miniaturization allows earbud cases to shrink 20% yet retain six-hour playback. Smart cards and RFID tags enjoy steady gains as fintech rolls out biometric verification, whereas military demand remains smaller in volume but lucrative in per-unit terms under DARPA’s Promethean Clay program. Smart packaging rockets from a low base as the FDA’s DSCSA mandates serialized pharma tracking, propelling printed cells embedded in NFC labels.

Complete Report Scope:

Geography Analysis

Europe generated 52.11% of thin film battery market revenue in 2025, underpinned by the EU Batteries Regulation (2023/1542) that enforces carbon-footprint disclosure and battery passports from 2027. Switzerland’s BTRY raised USD 5.7 million to industrialize solvent-free roll-to-roll solid-state cells, showing deep-tech vigor in the region. France’s ITEN and the UK’s Battery Industrialisation Centre pushed Ilika’s Goliath prototypes toward 93% pilot-line yield, anchoring supply resilience. Nordic producers tout hydropower-sourced electricity for low-carbon credentials, but mining permits for lithium and cobalt remain a bottleneck.

Asia-Pacific is the momentum engine, expanding at 22.35% CAGR and reshaping the thin film battery market landscape. Samsung SDI presented a pouch-type all-solid-state prototype for humanoid robots at InterBattery 2026 and owns about 1,100 patents, fortifying its moat. China scales printed-battery output for connected packaging under Made in China 2025 subsidies, while Japan’s TDK commercializes ceramic variants for industrial electronics. Vietnam and Thailand lure assembly capacity as diversification away from China accelerates, although upstream materials remain concentrated in Northeast Asia.

North America captures defense and med-tech niches within the thin film battery market. DARPA funding and Silicon Valley start-ups provide steady demand, while Amprius’ silicon-anode facility under NDAA alignment hints at onshoring synergies should thin-film versions mature. South America’s pilot projects in Brazilian smart agriculture and the Middle East’s oil-field IoT deployments use ceramic thin-film batteries for high-temperature resilience. Africa remains embryonic, though renewable-energy micro-grids may later seed sensor demand that benefits flexible micro-batteries.

Competitive Landscape

Competition in the thin film battery market sits at a moderate level as semiconductor giants, battery specialists, and materials innovators vie for a share. Samsung SDI leverages existing PVD lines, unveiling the SolidStack brand and amassing 1,100 all-solid-state patents to fence key architectures. STMicroelectronics and Panasonic exploit lithography heritage to co-integrate energy and IC packages, trimming BOM for IoT modules.

Start-ups fill white-space opportunities. BTRY’s ultra-thin, one-minute-charge cells address biometric smart cards; Ilika’s Goliath program scales 10 Ah to 50 Ah solid-state pouches for automotive telemetry; Ensurge targets hearables with sub-30-minute high-cycle offerings. Materials disruptors develop polymer-ceramic composite electrolytes aimed at boosting ionic conductivity beyond LiPON limits, while equipment firms license roll-to-roll blueprints to shorten plant ramps.

Regulatory traceability and ISO/IEC standards favor vertically integrated suppliers able to fuse QR-coded substrates, cloud tracking, and battery passport data. As printed cells commoditize, competitive intensity will pivot to differentiation in charging speed, high-temperature tolerance, and integration with energy harvesters. M&A activity is expected as conglomerates acquire start-ups for know-how and niche customer bases, gradually pushing the thin film battery industry toward higher concentration.

Recent Industry Developments

• March 2026: Samsung SDI unveiled a pouch-type all-solid-state battery prototype for humanoid robots at InterBattery 2026, scheduling mass production for H2 2027.
• February 2026: Lyten acquired Northvolt Ett and Northvolt Labs, gaining 16 GWh capacity and Europe’s largest battery R&D center.
• February 2026: Amprius partnered with Nanotech Energy to scale domestic silicon-anode cell production, refining the 320 Wh/kg SA128 cell.
• November 2025: BTRY closed a USD 5.7 million seed round to industrialize solvent-free roll-to-roll solid-state batteries.

List of Companies Covered in this Report:

• STMicroelectronics
• Panasonic Corporation
• Samsung SDI Co., Ltd.
• Cymbet Corporation
• BrightVolt Inc.
• Ilika plc
• Imprint Energy, Inc.
• Enfucell Oy
• Kurt J. Lesker Company
• Blue Spark Technologies
• Front Edge Technology
• Thinfilm Electronics ASA
• BASQUEVOLT
• EIT InnoEnergy SE
• The Batteries Sp. z o. o.
• Renata SA
• Power Paper Ltd.
• VARTA AG
• EnerVenue Inc.
• NEO Battery Materials Ltd.

Additional Benefits:

• The market estimate (ME) sheet in Excel format
• 3 months of analyst support

Table of Contents

1 Introduction
1.1 Study Assumptions & Market Definition
1.2 Scope of the Study

2 Research Methodology

3 Executive Summary

4 Market Landscape
4.1 Market Overview
4.2 Market Drivers
4.2.1 Surge in wearable & IoT device production
4.2.2 Miniaturization trend in consumer electronics
4.2.3 Rising demand for solid-state micro-batteries in medical implants
4.2.4 Roll-to-roll PVD scale-ups reducing per-unit costs
4.2.5 Integration with energy-harvesting IIoT sensors
4.2.6 Defense funding for soldier-worn power sources & smart munitions
4.3 Market Restraints
4.3.1 Availability of alternative battery chemistries
4.3.2 Limited energy density versus bulk Li-ion batteries
4.3.3 High CAPEX for vacuum deposition tooling
4.3.4 LiPON electrolyte patent bottlenecks
4.4 Supply-Chain Analysis
4.5 Regulatory Landscape
4.6 Technological Outlook
4.7 Porter’s Five Forces Analysis
4.7.1 Bargaining Power of Suppliers
4.7.2 Bargaining Power of Consumers
4.7.3 Threat of New Entrants
4.7.4 Threat of Substitute Products & Services
4.7.5 Intensity of Competitive Rivalry

5 Market Size & Growth Forecasts
5.1 By Battery Type
5.1.1 Rechargeable
5.1.2 Non-Rechargeable (Primary)
5.2 By Technology
5.2.1 Printed Battery
5.2.2 Ceramic Battery
5.2.3 Lithium-Polymer Battery
5.2.4 Solid-State Chip Battery
5.2.5 Other Technologies
5.3 By Application
5.3.1 Consumer Electronics
5.3.2 Medical Devices
5.3.3 Wearable Technology
5.3.4 Smart Cards
5.3.5 RFID
5.3.6 IoT Sensors
5.3.7 Military & Defense
5.3.8 Smart Packaging
5.3.9 Others
5.4 By Geography
5.4.1 North America
5.4.1.1 United States
5.4.1.2 Canada
5.4.1.3 Mexico
5.4.2 Europe
5.4.2.1 United Kingdom
5.4.2.2 Germany
5.4.2.3 France
5.4.2.4 Spain
5.4.2.5 Nordic Countries
5.4.2.6 Russia
5.4.2.7 Rest of Europe
5.4.3 Asia-Pacific
5.4.3.1 China
5.4.3.2 India
5.4.3.3 Japan
5.4.3.4 South Korea
5.4.3.5 ASEAN Countries
5.4.3.6 Australia and New Zealand
5.4.3.7 Rest of Asia-Pacific
5.4.4 South America
5.4.4.1 Brazil
5.4.4.2 Argentina
5.4.4.3 Colombia
5.4.4.4 Rest of South America
5.4.5 Middle East and Africa
5.4.5.1 Saudi Arabia
5.4.5.2 United Arab Emirates
5.4.5.3 South Africa
5.4.5.4 Egypt
5.4.5.5 Rest of Middle East and Africa

6 Competitive Landscape
6.1 Market Concentration
6.2 Strategic Moves (M&A, JV, Funding)
6.3 Market Ranking/Share Analysis
6.4 Company Profiles {(includes Global level Overview, Market level overview, Core Segments, Financials as available, Strategic Information, Market Rank/Share for key companies, Products & Services, and Recent Developments)}
6.4.1 STMicroelectronics
6.4.2 Panasonic Corporation
6.4.3 Samsung SDI Co., Ltd.
6.4.4 Cymbet Corporation
6.4.5 BrightVolt Inc.
6.4.6 Ilika plc
6.4.7 Imprint Energy, Inc.
6.4.8 Enfucell Oy
6.4.9 Kurt J. Lesker Company
6.4.10 Blue Spark Technologies
6.4.11 Front Edge Technology
6.4.12 Thinfilm Electronics ASA
6.4.13 BASQUEVOLT
6.4.14 EIT InnoEnergy SE
6.4.15 The Batteries Sp. z o. o.
6.4.16 Renata SA
6.4.17 Power Paper Ltd.
6.4.18 VARTA AG
6.4.19 EnerVenue Inc.
6.4.20 NEO Battery Materials Ltd.

7 Market Opportunities & Future Outlook
7.1 White-Space & Unmet-Need Assessment

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