AI data center cooling
PCM thermal buffers absorb short-duration cooling-loop peaks, support recovery windows and help shift cooling demand.
China-based PCM technology · Cooling and heat storage
PCM Thermal Energy Storage (PCM TES) Systems
Passive Edge develops phase-change materials, thermal-storage plates, stacked thermal cores and project-scale cooling cabins in Ningbo, China—turning PCM material performance into deployable cooling and heat-storage capacity.
Direct answer
What is PCM thermal energy storage?
PCM thermal energy storage stores cooling or heat as latent energy while a phase-change material changes state at a selected temperature. A PCM TES system combines the material with containment, heat-transfer surfaces, a heat-transfer fluid or airflow path, controls and the host cooling or heating system. It does not eliminate thermal load; it shifts when that load must be served.
One term, several layers
From PCM material to a complete TES system.
Searches for thermal energy storage, TES and PCM TES often refer to different layers of the same project. Separating those layers makes specification and supplier scope clearer.
| Layer | Function | Passive Edge scope |
|---|---|---|
| PCM material | Stores latent heat at the selected phase temperature. | Organic, inorganic and composite PCM families; phase-point selection and technical data. |
| Containment and plate | Keeps PCM sealed and creates a repeatable exchange surface. | SemiST and UltraST plates, shape-stabilized materials and application-specific formats. |
| Thermal core or module | Combines plates and flow paths into usable thermal capacity. | Stacked thermal cores, modular assemblies and selected cooling-cabin formats. |
| System integration | Connects the store to chillers, heat pumps, liquid loops, airflow and controls. | Sizing inputs, material/module selection, validation planning and collaboration with integrators. |
Where PCM TES applies
Cooling storage and heat storage applications.
The correct phase point, charge window and heat-exchanger design depend on the operating temperature and load profile of each project.
Cold rooms and refrigeration
Cold energy storage supports outage hold time, temperature stability, compressor scheduling and solar or off-peak charging.
Buildings and HVAC
Comfort-range PCM can add thermal memory to rooms or provide compact active storage for heat-pump and HVAC systems.
Industrial heat and cold
Configurable phase temperatures support process buffering, waste-heat recovery, LNG cold-energy recovery and thermal-load shifting.
Engineering sequence
Six inputs before PCM TES sizing.
Capacity in kWh is only one part of a useful system design. Thermal power, flow path and recovery conditions must be checked at the same time.
| Input | Why it matters |
|---|---|
| 1. Target temperature band | Defines the usable phase-change temperature and approach temperature. |
| 2. Peak thermal load | Defines the required charge or discharge power in kW or MW. |
| 3. Peak duration | Defines the initial thermal capacity requirement in kWh or MWh. |
| 4. Charge and recovery window | Shows whether the store can be recharged before the next peak. |
| 5. Heat-transfer fluid and flow | Constrains heat-exchanger geometry, pressure drop and compatibility. |
| 6. Footprint, tariff and control logic | Connects the engineering design to site feasibility and economic value. |
China PCM TES supplier scope
Materials, modules and transparent project boundaries.
Based in Ningbo, China
Passive Edge develops PCM materials and deployable thermal-capacity formats from its China technology platform, with international project collaboration.
Technical evidence
Released products are supported by technical data sheets covering phase point, latent heat, thermal conductivity, cycling and chemistry.
Clear delivery boundary
Passive Edge supplies materials, plates/modules, selected cooling-cabin formats and engineering inputs. Complete equipment and site delivery may be performed with integration partners.
FAQ
PCM TES questions.
What does PCM TES stand for?
PCM TES stands for phase change material thermal energy storage. TES is the broader category; PCM TES is the latent-heat-storage branch that uses a phase change material.
How is PCM TES different from chilled-water or ice storage?
All three shift thermal demand over time. PCM can be selected for a specific operating temperature and can offer higher storage density than sensible-water storage. Ice storage uses a fixed 0 °C phase point and usually requires lower charging temperatures. The best option depends on the plant, tariff, space and temperature band.
Is Passive Edge a China PCM TES manufacturer?
Passive Edge is a China-based PCM technology and product company in Ningbo. We supply PCM materials, plates and modules, selected cooling-cabin formats, technical data and engineering inputs. Complete system equipment may be manufactured and delivered with project integration partners.
Can PCM thermal energy storage store both cooling and heat?
Yes. The function depends on the selected phase temperature and system design. Our published options cover sub-zero cold storage, chilled-water ranges, comfort temperatures and higher-temperature heat storage.
What information is needed for a PCM TES proposal?
Share the target temperature, thermal-load profile, peak duration, available recovery window, heat-transfer fluid, flow conditions, site footprint, operating schedule and project location.