Cellcius
Cellcius is a Netherlands-based company that develops salt-based heat battery technology for thermochemical thermal energy storage, targeting industrial and energy-sector customers seeking decarbonized heat solutions.
- Company typePrivate
- Founded2020
- HeadquartersEindhoven, Netherlands
- Headcount1–10
- GTM typeB2B
- OfferingHardware or Manufacturing
What Cellcius does
Cellcius is a privately held Dutch company founded in 2020, headquartered in Eindhoven, Netherlands, that develops salt-based heat battery technology for thermochemical thermal energy storage. The company's core product is a thermal energy storage system that uses salt-based chemical reactions to capture, store, and release heat — a category relevant to industrial process heat decarbonization, district heating networks, and renewable energy storage applications. Based on available firmographics, Cellcius operates with a small team of 1-10 employees and is in an early-stage development posture.
The company's go-to-market, business model, and pricing mechanics are not disclosed in the available source material. As a deep-tech hardware venture in the thermal energy storage category, Cellcius would typically follow a capital-intensive path involving R&D, pilot installations with industrial or utility partners, demonstration projects, and eventually commercial-scale system sales or licensing. The salt-based thermochemical approach differentiates from sensible-heat (e.g., molten salt tanks) and latent-heat storage by offering higher energy density and the ability to store heat indefinitely with minimal losses, though commercial viability depends on cycle durability, system cost, and integration with heat sources and consumers.
The available data is thin: the company's website (cellcius.com) returned only a loader/verification page at the time of capture, and no funding rounds, customer logos, management team, partnerships, patents, revenue figures, or product specifications were disclosed in the aggregated source material. As a result, the company's commercialization stage, revenue trajectory, ownership structure, and competitive positioning within the broader thermal storage landscape cannot be substantively characterized from the input.
Cellcius firmographics
Firmographics- Name
- Cellcius
- Website
- https://cellcius.com
- Company type
- Private
- Founded year
- 2020
- Headcount range
- 1–10 employees
- Short description
- Cellcius is a Netherlands-based company that develops salt-based heat battery technology for thermochemical thermal energy storage, targeting industrial and energy-sector customers seeking decarbonized heat solutions.
- Ownership category
- akta.pro rank
Cellcius industry classification
Industry- Product category
- Industrial Thermal Energy Storage
- NAICS
- Power Boiler and Heat Exchanger Manufacturing (33241), Steam and Air-Conditioning Supply (221330)
- SIC
- Industrial Process Furnaces & Ovens (3567), Heating Equipment, Except Electric & Warm Air Furnaces (3433)
- akta.pro primary industry
- Thermochemical Energy Storage (Sorption, Chemical Looping) (EUAFANAE)
- akta.pro secondary industries
- Molten Salt Thermal Storage (CSP & High-Temperature Heat) (EUAFANAB), District Heating & Cooling Thermal Storage (Network-Integrated TES) (EUAFANAH)
Keywords
Where Cellcius is headquartered
LocationHeadquarters
- HQ city
- Eindhoven
- HQ country
- Netherlands
- HQ region
- Europe
Markets served
Cellcius business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Technology or R&D, Personnel, Operations
Cellcius product offering
Product offeringCore offering
Cellcius develops salt-based heat battery technology for thermochemical thermal energy storage. The company's offering centers on reversible salt-chemistry systems that capture and release industrial heat at high density, enabling loss-free long-duration storage of thermal energy for industrial process heat applications.
Differentiator
Problem solved
Functional benefit
Products and services
- Salt-based heat battery system A thermochemical heat battery based on reversible salt reactions that stores industrial high-temperature heat at high energy density and releases it on demand, intended for industrial customers seeking to decarbonize or buffer process heat supply.
Companies that use Cellcius
Customer profileIdeal customer profiles1 record
Cellcius technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Cellcius partnerships and signals
Strategic signalRecent moves2 records
Cellcius competitors and assessment
Company assessmentBroad incumbents
- Siemens Energy: Siemens Energy is a large incumbent offering thermal storage solutions including those integrated with concentrated solar power and industrial heat. Broad incumbent in the same energy storage space with much larger portfolio.
Direct peers
- Brenmiller Energy: Brenmiller Energy (Israel) supplies bCR (brenmiller Crushed Rock) thermal energy storage systems for industrial steam and process heat. Direct competitor in the industrial TES market that Cellcius targets.
- Rondo Energy: Rondo Energy (US) markets industrial "heat batteries" using solid thermal storage media to deliver high-temperature process heat. Competes head-to-head with Cellcius for the same industrial off-takers and decarbonization use cases.
- Kraftblock: Kraftblock (Germany) provides modular thermal storage using recycled steel slag as storage medium for industrial and district heat. Comparable business model (modular industrial TES) and target customers.
- EnergyNest: EnergyNest (Norway) supplies modular thermal battery systems based on a concrete/cementitious storage medium for industrial heat. Directly comparable to Cellcius as both sell modular industrial heat storage to decarbonize process heat customers.
- Polar Night Energy: Polar Night Energy (Finland) builds sand-based thermal storage systems for district heating and industrial customers. Comparable thermal storage product and Nordic/European industrial heat go-to-market.
- 1414 Degrees: 1414 Degrees (Australia) is developing molten-slat thermal energy storage (TESS) for industrial and grid applications. Closely comparable technology category to salt-based heat storage and targets similar industrial customers.
- Malta Inc. Malta (US) develops pumped heat energy storage using molten salt and anti-fluids for long-duration grid and industrial heat applications. Comparable technology category and customer overlap with Cellcius's thermochemical salt storage.
- SaltX Technology: SaltX Technology (Sweden) develops nano-coated salt hydrates for thermochemical heat storage in district heating and industrial applications. Closely comparable to Cellcius on salt-based thermochemical technology.
Emerging players
- Antora Energy: Antora Energy (US) combines thermophotovoltaics with thermal storage to deliver zero-carbon industrial heat and power. Emerging player with overlapping thermal storage technology and same industrial decarbonization thesis.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat2 records
Key risks5 records
Key highlights4 records
Customer concentration
Cellcius social profiles
Digital presenceCellcius financial estimates
Financial estimateRevenue estimate
Valuation estimate
Cellcius leadership team
Management profileNumber of profiles
Cellcius funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Cellcius M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Cellcius
What does Cellcius do?
Cellcius develops salt-based heat battery technology for thermochemical thermal energy storage. The company's offering centers on reversible salt-chemistry systems that capture and release industrial heat at high density, enabling loss-free long-duration storage of thermal energy for industrial process heat applications.
When was Cellcius founded?
Cellcius was founded in 2020. It employs 1 to 10 people.
Where is Cellcius based?
Cellcius is headquartered in Eindhoven, Netherlands, in the Europe region.
Who are Cellcius's main competitors?
Siemens Energy is listed as a broad incumbent. Direct peers are Brenmiller Energy, Rondo Energy, Kraftblock, EnergyNest, Polar Night Energy, 1414 Degrees, Malta Inc. and SaltX Technology. Antora Energy is listed as an emerging player.
Does Cellcius have an API?
No public API is recorded for Cellcius.
What industry is Cellcius in?
Cellcius's product category is Industrial Thermal Energy Storage. Its primary akta.pro industry code is EUAFANAE, Thermochemical Energy Storage (Sorption, Chemical Looping), with a secondary code of EUAFANAB, Molten Salt Thermal Storage (CSP & High-Temperature Heat). Its NAICS code is 33241 and its SIC code is 3567.