The Thermal Battery Market is gaining significant traction as global industries and energy systems seek advanced, reliable, and cost-effective storage solutions to support the accelerating shift toward renewable energy. Thermal batteries store and release energy through heat-based mechanisms, often utilizing phase change materials (PCMs) or other thermal storage technologies to efficiently capture, retain, and discharge thermal energy. As the need for sustainable, grid-stabilizing energy storage continues to rise, thermal batteries are emerging as a vital component in applications ranging from power generation and industrial processes to electric mobility and backup power systems.
In 2023, the global thermal batteries for military market was valued at approximately USD 148.99 million. Projections indicate it will reach around USD 274.9 million by 2033, reflecting a compound annual growth rate (CAGR) of about 6.4% from 2024 to 2033.
| Report Attributes | Details |
| Study Period | 2023 to 2033 |
| Base Year | 2023 |
| FORECAST PERIOD | 2024-2030 |
| HISTORICAL PERIOD | 2020-2023 |
| UNIT | Value (USD Billion) |
| KEY COMPANIES PROFILED | EaglePicher Technologies EnerSys DFR Solutions Wuhan JOHO Technologies Co LTD Missiles & Space Batteries LTD Advanced Thermal Batteries INC EnergyNest A.S Diehl Stiftung & Co. KG APS-ASB India Pvt. Ltd SINOEV Technologies Inc. |
| SEGMENTS COVERED | By Type, By Application, and By Geography |
| CUSTOMIZATION SCOPE | Free report customization (equivalent to up to 4 analyst’s working days) with purchase. Addition or alteration to country, regional & segment scope. |
Thermal batteries, also known as thermal energy storage (TES) systems, store and release energy in the form of heat. They utilize materials that either undergo reversible phase changes (solid–liquid or liquid–gas transitions) or absorb and release heat without changing phase. These systems offer high efficiency, long operational life, and strong scalability, making them ideal for industrial processes, residential heating and cooling, and grid-scale renewable energy integration.
Unlike conventional chemical batteries that store electrical energy, thermal batteries capture heat—often from renewable or waste energy sources—and release it on demand. This stored heat can be used directly or converted back into electricity through specialized systems, enabling flexible and sustainable energy management.
PCM-based thermal batteries store energy by leveraging materials that absorb or release heat during phase transitions.
How they work: When heated, the PCM melts and stores latent heat; when cooled, it solidifies and releases the energy.
Examples of PCMs: Paraffin wax, salt hydrates, and fatty acids.
These materials are widely used due to their high energy density and ability to store heat at constant temperatures.
Sensible heat systems store energy by increasing the temperature of a material without altering its phase.
How they work: The storage medium absorbs heat as its temperature rises and releases it when the temperature decreases.
Common materials: Water, rocks, concrete, and molten salts.
These systems are simple, cost-effective, and suitable for a broad range of thermal applications.
Molten salt systems are widely used for large-scale and high-temperature applications, such as concentrating solar power (CSP) plants.
How they work: Salt mixtures are heated to extremely high temperatures during peak solar hours and store energy for use at night or during peak demand.
Molten salts offer excellent heat retention and the ability to deliver continuous power output in renewable energy systems.
Thermal batteries absorb heat—often from renewable sources such as solar energy or industrial waste heat—and store it within a thermal medium.
In PCM systems, the material melts during charging, storing large amounts of latent heat.
In sensible heat systems, materials simply rise in temperature to store energy.
When heat is required, the stored energy is released:
PCMs solidify and discharge latent heat.
Sensible heat materials release energy as their temperature decreases.
This heat can be used directly for heating, industrial processes, or converted into electricity via thermodynamic systems.
Applications of Thermal Batteries:
Renewable Energy Storage: Thermal batteries are widely used in solar and wind energy systems to store excess energy and release it during periods of low generation.
Grid-Scale Energy Storage: Large-scale thermal batteries help balance the supply and demand on electrical grids, providing stability.
Industrial Heating: Thermal storage systems are used in industries that require high-temperature processes, such as cement manufacturing or steel production, to provide consistent heating.
Residential and Commercial Heating: Thermal batteries are used in district heating systems, where stored heat is distributed across multiple buildings.
Advantages of Thermal Batteries:
Long-Term Energy Storage: Thermal storage systems can store energy for long periods, especially compared to conventional electrical storage systems.
Sustainability: Many thermal energy storage solutions use eco-friendly materials and are part of clean energy systems.
Cost-Effective for Large-Scale Applications: Thermal batteries, particularly molten salts, are highly cost-effective for storing large amounts of energy.
Challenges:
Lower Energy Density: Thermal batteries typically have lower energy densities than chemical batteries, which means they require more space for the same amount of energy storage.
High Initial Cost: Installation and setup can be expensive, especially for large-scale systems.
Limited Commercial Availability: Although thermal storage technologies are advancing, they are not yet as widely adopted as chemical battery systems.
Thermal batteries are an important part of the future of energy storage, especially as the world transitions to renewable energy and seeks better ways to store and manage energy efficiently.
Types of Thermal Batteries:
Phase Change Material (PCM) Based Thermal Batteries: These use materials that change their phase (e.g., from solid to liquid) to store energy.
Molten Salt Thermal Batteries: Commonly used for large-scale, high-temperature energy storage applications.
Sensible Heat Storage: Involves heating or cooling a substance (e.g., water or rocks) to store energy.
Applications:
Renewable Energy Integration: Thermal batteries help store excess energy from solar and wind sources for later use.
Grid-Scale Energy Storage: Thermal storage is used in utility-scale applications to balance supply and demand.
Industrial Heating Systems: These batteries are used in various industries to store heat for processes that require a stable temperature.
Market Drivers
Growing Demand for Renewable Energy Storage:
As renewable energy sources such as solar and wind grow in prominence, there is a need for efficient energy storage solutions. Thermal batteries are a key technology for addressing intermittent energy generation, providing stability to energy systems.
Technological Advancements in Thermal Energy Storage:
Continued improvements in materials, such as advanced phase change materials and molten salts, have made thermal batteries more efficient and cost-effective, increasing their adoption.
Government Support and Policy Initiatives:
Many governments worldwide are encouraging clean energy initiatives and offering subsidies for renewable energy storage technologies, including thermal storage. This has contributed to the market's growth.
Sustainability and Environmental Concerns:
Thermal batteries offer an environmentally friendly alternative to conventional energy storage technologies. The reduction in CO2 emissions from thermal storage systems supports the global shift toward sustainability.
Grid Modernization:
Aging power grids are being upgraded to accommodate more renewable energy and improve energy storage. Thermal energy storage systems are a crucial component of this transformation.
Market Restraints
High Initial Capital Costs:
The installation and setup of thermal battery systems can be costly, which may deter some industries and utilities from adopting the technology, especially in price-sensitive markets.
Limited Energy Density:
While thermal batteries offer a cost-effective storage solution, their energy density is lower compared to other technologies like lithium-ion batteries. This limits their use in applications that require high energy storage in compact forms.
Material Limitations:
Some thermal storage systems rely on materials with limited availability or long recovery times, which may affect the scalability and efficiency of the technology.
Lack of Awareness and Adoption:
While the technology has immense potential, the awareness and adoption of thermal storage systems are relatively low in some regions, which can hinder market growth.
Market Trends
Hybrid Energy Storage Systems:
Hybrid systems that combine thermal storage with other forms of energy storage (like batteries) are gaining traction. These systems offer the flexibility of storing both thermal and electrical energy, improving efficiency in energy usage.
Integration with District Heating:
Thermal batteries are increasingly being used for district heating, where stored thermal energy is distributed to multiple residential or commercial buildings. This is an energy-efficient way to manage heating demand.
Concentration on Cost Reduction:
Manufacturers are focusing on reducing the cost of thermal energy storage systems by improving the efficiency of materials, lowering operational costs, and using scalable solutions to meet the growing demand for renewable energy storage.
Research and Development:
R&D activities in thermal energy storage are intensifying, particularly in the areas of new materials, system integration, and process optimization. These efforts aim to improve the efficiency, scalability, and affordability of thermal batteries.
Market Segmentation
By Type:
Phase Change Material (PCM)
Molten Salt Thermal Batteries
Sensible Heat Storage
By Application:
Utility-Scale Storage: Large-scale systems for grid stabilization and renewable energy integration.
Industrial Heating: Used in high-temperature processes in industries like steel manufacturing, chemicals, and cement.
Residential and Commercial: Thermal energy storage for heating and hot water applications in homes and businesses.
By Region:
North America: Significant investment in renewable energy and government-backed projects are driving growth in the region.
Europe: High adoption of thermal storage systems due to the EU's aggressive sustainability targets and renewable energy goals.
Asia-Pacific: Rapid industrialization and the increasing focus on energy efficiency contribute to market growth in countries like China and India.
Market Forecast and Future Outlook
The thermal battery market is expected to grow significantly in the coming years due to the rising demand for energy storage solutions. The market is projected to reach a value of USD 10.5 billion by 2033, growing at a compound annual growth rate (CAGR) of around 15% from 2023 to 2033.
Key factors that will contribute to this growth include:
Increased integration of renewable energy sources into the grid
Growing emphasis on energy storage systems in industrial applications
Technological advancements and cost reductions in thermal storage systems
Key Players
EnergyNest AS
TES.VENTURES
SolarReserve
Heliogen
Kaiser Aluminum Corporation
BrightSource Energy
K-Heat
Conclusion
The thermal battery market is poised for significant growth driven by the global shift towards renewable energy and energy storage solutions. As the technology matures and cost-effective solutions emerge, thermal batteries are expected to play a vital role in addressing energy storage needs across various sectors. However, overcoming challenges related to cost and energy density will be critical in unlocking the full potential of this promising technology.
Thermal Battery Market Segments
By Applications
Military
Automotive
Marine
Others
By Encapsulation
Nonencapsulated
Encapsulated
Phase change
Others
icon_6
By Transportation Type
Passenger
Commercial
icon_7
Thermal Battery Market Players
EaglePicher Technologies
EnerSys
DFR Solutions
Wuhan JOHO Technologies Co LTD
Missiles & Space Batteries LTD
Advanced Thermal Batteries INC
EnergyNest A.S
Diehl Stiftung & Co. KG
APS-ASB India Pvt. Ltd
SINOEV Technologies Inc.
Table Of Content
1 : INTRODUCTION
1.1. Report Description
1.2. Key Market Segments
1.3. Key Benefits
1.4. Research Methodology
1.4.1. Primary Research
1.4.2. Secondary Research
1.4.3. Analyst Tools and Models
2 : EXECUTIVE SUMMARY
2.1. CXO Perspective
3 : MARKET LANDSCAPE
3.1. Market Definition and Scope
3.2. Key Findings
3.2.1. Top Investment Pockets
3.2.2. Top Winning Strategies
3.3. Porter's Five Forces Analysis
3.3.1. Bargaining Power of Suppliers
3.3.2. Threat of New Entrants
3.3.3. Threat of Substitutes
3.3.4. Competitive Rivalry
3.3.5. Bargaining Power among Buyers
3.5. Market Dynamics
3.5.1. Drivers
3.5.2. Restraints
3.5.3. Opportunities
4 : THERMAL BATTERIES MARKET, BY ENCAPSULATION
4.1. Market Overview
4.1.1 Market Size and Forecast, By Encapsulation
4.2. Nonencapsulated
4.2.1. Key Market Trends, Growth Factors and Opportunities
4.2.2. Market Size and Forecast, By Region
4.2.3. Market Share Analysis, By Country
4.3. Encapsulated
4.3.1. Key Market Trends, Growth Factors and Opportunities
4.3.2. Market Size and Forecast, By Region
4.3.3. Market Share Analysis, By Country
4.4. Phase Change
4.4.1. Key Market Trends, Growth Factors and Opportunities
4.4.2. Market Size and Forecast, By Region
4.4.3. Market Share Analysis, By Country
4.5. Others
4.5.1. Key Market Trends, Growth Factors and Opportunities
4.5.2. Market Size and Forecast, By Region
4.5.3. Market Share Analysis, By Country
5 : THERMAL BATTERIES MARKET, BY TRANSPORTATION TYPE
5.1. Market Overview
5.1.1 Market Size and Forecast, By Transportation Type
5.2. Passenger
5.2.1. Key Market Trends, Growth Factors and Opportunities
5.2.2. Market Size and Forecast, By Region
5.2.3. Market Share Analysis, By Country
5.3. Commercial
5.3.1. Key Market Trends, Growth Factors and Opportunities
5.3.2. Market Size and Forecast, By Region
5.3.3. Market Share Analysis, By Country
6 : THERMAL BATTERIES MARKET, BY APPLICATIONS
6.1. Market Overview
6.1.1 Market Size and Forecast, By Applications
6.2. Military
6.2.1. Key Market Trends, Growth Factors and Opportunities
6.2.2. Market Size and Forecast, By Region
6.2.3. Market Share Analysis, By Country
6.3. Automotive
6.3.1. Key Market Trends, Growth Factors and Opportunities
6.3.2. Market Size and Forecast, By Region
6.3.3. Market Share Analysis, By Country
6.4. Marine
6.4.1. Key Market Trends, Growth Factors and Opportunities
6.4.2. Market Size and Forecast, By Region
6.4.3. Market Share Analysis, By Country
6.5. Others
6.5.1. Key Market Trends, Growth Factors and Opportunities
6.5.2. Market Size and Forecast, By Region
6.5.3. Market Share Analysis, By Country
7 : THERMAL BATTERIES MARKET, BY REGION
7.1. Market Overview
7.1.1 Market Size and Forecast, By Region
7.2. North America
7.2.1. Key Market Trends and Opportunities
7.2.2. Market Size and Forecast, By Encapsulation
7.2.3. Market Size and Forecast, By Transportation Type
7.2.4. Market Size and Forecast, By Applications
7.2.5. Market Size and Forecast, By Country
7.2.6. U.S.
7.2.6.1 Market size and forecast, encapsulation
7.2.6.2 Market size and forecast, transportation type
7.2.6.3 Market size and forecast, applications
7.2.7. Canada
7.2.7.1 Market size and forecast, encapsulation
7.2.7.2 Market size and forecast, transportation type
7.2.7.3 Market size and forecast, applications
7.2.8. Mexico
7.2.8.1 Market size and forecast, encapsulation
7.2.8.2 Market size and forecast, transportation type
7.2.8.3 Market size and forecast, applications
7.3. Europe
7.3.1. Key Market Trends and Opportunities
7.3.2. Market Size and Forecast, By Encapsulation
7.3.3. Market Size and Forecast, By Transportation Type
7.3.4. Market Size and Forecast, By Applications
7.3.5. Market Size and Forecast, By Country
7.3.6. France
7.3.6.1 Market size and forecast, encapsulation
7.3.6.2 Market size and forecast, transportation type
7.3.6.3 Market size and forecast, applications
7.3.7. Germany
7.3.7.1 Market size and forecast, encapsulation
7.3.7.2 Market size and forecast, transportation type
7.3.7.3 Market size and forecast, applications
7.3.8. Italy
7.3.8.1 Market size and forecast, encapsulation
7.3.8.2 Market size and forecast, transportation type
7.3.8.3 Market size and forecast, applications
7.3.9. Spain
7.3.9.1 Market size and forecast, encapsulation
7.3.9.2 Market size and forecast, transportation type
7.3.9.3 Market size and forecast, applications
7.3.10. UK
7.3.10.1 Market size and forecast, encapsulation
7.3.10.2 Market size and forecast, transportation type
7.3.10.3 Market size and forecast, applications
7.3.11. Russia
7.3.11.1 Market size and forecast, encapsulation
7.3.11.2 Market size and forecast, transportation type
7.3.11.3 Market size and forecast, applications
7.3.12. Rest of Europe
7.3.12.1 Market size and forecast, encapsulation
7.3.12.2 Market size and forecast, transportation type
7.3.12.3 Market size and forecast, applications
7.4. Asia-Pacific
7.4.1. Key Market Trends and Opportunities
7.4.2. Market Size and Forecast, By Encapsulation
7.4.3. Market Size and Forecast, By Transportation Type
7.4.4. Market Size and Forecast, By Applications
7.4.5. Market Size and Forecast, By Country
7.4.6. China
7.4.6.1 Market size and forecast, encapsulation
7.4.6.2 Market size and forecast, transportation type
7.4.6.3 Market size and forecast, applications
7.4.7. Japan
7.4.7.1 Market size and forecast, encapsulation
7.4.7.2 Market size and forecast, transportation type
7.4.7.3 Market size and forecast, applications
7.4.8. India
7.4.8.1 Market size and forecast, encapsulation
7.4.8.2 Market size and forecast, transportation type
7.4.8.3 Market size and forecast, applications
7.4.9. South Korea
7.4.9.1 Market size and forecast, encapsulation
7.4.9.2 Market size and forecast, transportation type
7.4.9.3 Market size and forecast, applications
7.4.10. Australia
7.4.10.1 Market size and forecast, encapsulation
7.4.10.2 Market size and forecast, transportation type
7.4.10.3 Market size and forecast, applications
7.4.11. Thailand
7.4.11.1 Market size and forecast, encapsulation
7.4.11.2 Market size and forecast, transportation type
7.4.11.3 Market size and forecast, applications
7.4.12. Malaysia
7.4.12.1 Market size and forecast, encapsulation
7.4.12.2 Market size and forecast, transportation type
7.4.12.3 Market size and forecast, applications
7.4.13. Indonesia
7.4.13.1 Market size and forecast, encapsulation
7.4.13.2 Market size and forecast, transportation type
7.4.13.3 Market size and forecast, applications
7.4.14. Rest of Asia Pacific
7.4.14.1 Market size and forecast, encapsulation
7.4.14.2 Market size and forecast, transportation type
7.4.14.3 Market size and forecast, applications
7.5. LAMEA
7.5.1. Key Market Trends and Opportunities
7.5.2. Market Size and Forecast, By Encapsulation
7.5.3. Market Size and Forecast, By Transportation Type
7.5.4. Market Size and Forecast, By Applications
7.5.5. Market Size and Forecast, By Country
7.5.6. Brazil
7.5.6.1 Market size and forecast, encapsulation
7.5.6.2 Market size and forecast, transportation type
7.5.6.3 Market size and forecast, applications
7.5.7. South Africa
7.5.7.1 Market size and forecast, encapsulation
7.5.7.2 Market size and forecast, transportation type
7.5.7.3 Market size and forecast, applications
7.5.8. Saudi Arabia
7.5.8.1 Market size and forecast, encapsulation
7.5.8.2 Market size and forecast, transportation type
7.5.8.3 Market size and forecast, applications
7.5.9. UAE
7.5.9.1 Market size and forecast, encapsulation
7.5.9.2 Market size and forecast, transportation type
7.5.9.3 Market size and forecast, applications
7.5.10. Argentina
7.5.10.1 Market size and forecast, encapsulation
7.5.10.2 Market size and forecast, transportation type
7.5.10.3 Market size and forecast, applications
7.5.11. Rest of LAMEA
7.5.11.1 Market size and forecast, encapsulation
7.5.11.2 Market size and forecast, transportation type
7.5.11.3 Market size and forecast, applications
8 : COMPETITIVE LANDSCAPE
8.1. Introduction
8.2. Top Winning Strategies
8.3. Product Mapping Of Top 10 Player
8.4. Competitive Dashboard
8.5. Competitive Heatmap
8.6. Top Player Positioning,2022
9 : COMPANY PROFILES
9.1. Advanced Thermal Batteries INC
9.1.1. Company Overview
9.1.2. Key Executives
9.1.3. Company Snapshot
9.1.4. Operating Business Segments
9.1.5. Product Portfolio
9.1.6. Business Performance
9.1.7. Key Strategic Moves and Developments
9.2. APS-ASB India Pvt. Ltd.
9.2.1. Company Overview
9.2.2. Key Executives
9.2.3. Company Snapshot
9.2.4. Operating Business Segments
9.2.5. Product Portfolio
9.2.6. Business Performance
9.2.7. Key Strategic Moves and Developments
9.3. DFR Solutions
9.3.1. Company Overview
9.3.2. Key Executives
9.3.3. Company Snapshot
9.3.4. Operating Business Segments
9.3.5. Product Portfolio
9.3.6. Business Performance
9.3.7. Key Strategic Moves and Developments
9.4. Diehl Stiftung And Co. KG
9.4.1. Company Overview
9.4.2. Key Executives
9.4.3. Company Snapshot
9.4.4. Operating Business Segments
9.4.5. Product Portfolio
9.4.6. Business Performance
9.4.7. Key Strategic Moves and Developments
9.5. EaglePicher Technologies
9.5.1. Company Overview
9.5.2. Key Executives
9.5.3. Company Snapshot
9.5.4. Operating Business Segments
9.5.5. Product Portfolio
9.5.6. Business Performance
9.5.7. Key Strategic Moves and Developments
9.6. EnergyNest A.S.
9.6.1. Company Overview
9.6.2. Key Executives
9.6.3. Company Snapshot
9.6.4. Operating Business Segments
9.6.5. Product Portfolio
9.6.6. Business Performance
9.6.7. Key Strategic Moves and Developments
9.7. EnerSys
9.7.1. Company Overview
9.7.2. Key Executives
9.7.3. Company Snapshot
9.7.4. Operating Business Segments
9.7.5. Product Portfolio
9.7.6. Business Performance
9.7.7. Key Strategic Moves and Developments
9.8. Missiles And Space Batteries LTD
9.8.1. Company Overview
9.8.2. Key Executives
9.8.3. Company Snapshot
9.8.4. Operating Business Segments
9.8.5. Product Portfolio
9.8.6. Business Performance
9.8.7. Key Strategic Moves and Developments
9.9. SINOEV Technologies Inc.
9.9.1. Company Overview
9.9.2. Key Executives
9.9.3. Company Snapshot
9.9.4. Operating Business Segments
9.9.5. Product Portfolio
9.9.6. Business Performance
9.9.7. Key Strategic Moves and Developments
9.10. Wuhan JOHO Technologies Co LTD.
9.10.1. Company Overview
9.10.2. Key Executives
9.10.3. Company Snapshot
9.10.4. Operating Business Segments
9.10.5. Product Portfolio
9.10.6. Business Performance
9.10.7. Key Strategic Moves and Developments
Thermal Battery Market Segments
By Applications
Military
Automotive
Marine
Others
By Encapsulation
Nonencapsulated
Encapsulated
Phase change
Others
icon_6
By Transportation Type
Passenger
Commercial
icon_7
Thermal Battery Market Players
EaglePicher Technologies
EnerSys
DFR Solutions
Wuhan JOHO Technologies Co LTD
Missiles & Space Batteries LTD
Advanced Thermal Batteries INC
EnergyNest A.S
Diehl Stiftung & Co. KG
APS-ASB India Pvt. Ltd
SINOEV Technologies Inc.
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