TX-PCMs Phase Change Material

TX-PCMs is a high thermal conductivity composite phase change material developed for passive thermal management and temperature buffering. The material combines a bio-based phase-change substrate with expanded graphite to form a thermally conductive composite structure. The expanded graphite network enhances heat transfer within the material, while the phase-change component provides latent heat storage during thermal loading.

TX-PCMs is designed as a solid-solid phase change material, maintaining a solid structural form during the phase-change process. This makes it suitable for applications where dimensional stability and reduced leakage concerns are important.

The powder can be processed into customized PCM sheets, plates, blocks and other thermal-management components through hot pressing and related forming processes.High Thermal Conductivity Graphite Composite PCM Powder: High-Conductivity Solid-Solid PCM for Battery Thermal Management.High Thermal Conductivity · High Latent Heat · Solid-Solid Phase Change · Customizable Temperature

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Technical Data

Parameter	TX-PCMs
Material Type	Solid-Solid Composite PCM
Composition	Bio-based PCM + Expanded Graphite
Appearance	Uniform Black Powder
Phase-Change Temperature	5–120°C, customizable
Recommended Battery Range	28–35°C
Temperature Tolerance	±1°C
Latent Heat	210–310 J/g
Thermal Conductivity	Up to 5 W/m·K
Density	1.1–1.3 g/cm³
Thermal Cycling	≥1,000 cycles
Latent-Heat Retention	>95%
Processing	Hot Pressing / Forming
Customization	Temperature / Formulation / Structure

Specifications may vary according to formulation, processing conditions and test methods.

Key Benefits

•High Thermal Conductivity
The PCM core is enclosed by a polymer shell. This structure is designed to reduce direct exposure of the phase-change material to the surrounding matrix and minimize liquid leakage concerns during phase transition.

•High Latent Heat
TX-PCMs provides a latent heat capacity of 210–310 J/g, enabling the material to absorb and store thermal energy during temperature fluctuations.

•Solid-Solid Phase Change
The material is designed to maintain a solid form throughout its phase-change process. Compared with conventional solid-liquid PCM materials, this structure helps minimize concerns associated with liquid melting, seepage and leakage.

•Stable Thermal Cycling
According to the current product specification, TX-PCMs maintains more than 95% latent-heat retention after 1,000+ thermal cycles under the specified accelerated testing conditions.

•Flexible Temperature Design
Phase-change temperature can be customized within approximately 5–120°C. For many lithium-ion battery thermal-management applications, 28–35°C is available as a commonly selected range, subject to the customer's battery chemistry and system requirements.

•Flexible Processing
TX-PCMs is designed for hot-press forming, PCM sheet production, PCM plate production, PCM block forming and customized thermal-management components.

Battery Thermal Management Applications

Lithium-Ion Battery Modules

EV battery modules
Hybrid vehicle battery systems
Electric two-wheelers
Electric motorcycles
Light electric vehicles
Battery modules for industrial equipment

Energy Storage Systems

Residential energy storage
Commercial & industrial energy storage
Portable energy storage
Solar energy storage
Off-grid energy storage
Telecom backup power
Battery cabinets and modules

AGV & Robotics

AGV
AMR
Industrial robots
Service robots
Autonomous mobile equipment

Other Potential Applications

Power electronics thermal buffering
Electronic component thermal management
Telecom power systems
Industrial thermal-energy storage
Temperature-controlled packaging
Customized thermal-buffering components

TX-PCMs vs. ME-PCMs

Feature	TX-PCMs	ME-PCMs
Material Structure	Solid-Solid Composite	Microencapsulated PCM
Main Advantage	High thermal conductivity	Polymer compatibility
Appearance	Black powder	White fine powder
Latent Heat	210–310 J/g	100–130 J/g
Thermal Conductivity	Up to 5 W/m·K	0.22–0.30 W/m·K
Phase-Change Range	5–120°C	5–58°C
Typical Battery Range	28–35°C	28–35°C
Cycle Stability	≥1,000 cycles	≥5,000 cycles
Latent-Heat Retention	>95%	>90%
Main Processing	Hot Pressing	Silicone / Epoxy Blending
PCM Sheet / Plate	Recommended	Not recommended alone
Potting	Not recommended	Recommended
Main Application	Thermal sheets / plates / blocks	Potting / composite materials

Customized Material Solutions

We can customize TX-PCMs according to Phase-Change Temperature, Latent Heat, Thermal Conductivity, Battery Application, Component Geometry and Processing Method.

Our technical support can cover material selection, sample evaluation and customized formulation development.

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