Skip to content

An Ultra-Fast Solver for Battery Performance

High-performance, physics-based solvers for the Newman model of Li-ion battery behaviour. Full electrochemical and thermal simulations in minutes, not hours.

Advanced Battery Modelling

DandeLiion Technologies Ltd. builds validated high-performance, physics-based battery modelling software.

(i)

Thermal-Electrochemical Design

Fully three-dimensional tools capable of simulating large pouch, cylindrical and prismatic cells, and complete battery packs. Coupled thermal-electrochemical-degradation models solved exactly, rather than approximated.

(ii)

Fast Battery Management Tools

Physics-based cell models designed to run within the tight computational limits of an on-board vehicle battery management system, bringing first-principles accuracy to real-time control.

Seamless Cloud Scalability

Run simulations directly in the cloud on a scalable architecture. DandeLiion combines speed, scalability and raw computational power to shorten battery development cycles and deepen system-level understanding.

About:Energy Integration

About:Energy, a world-leading innovator in battery parameterisation, has entered a technology licensing agreement with DandeLiion to advance battery modelling and accelerate electrification across the automotive and energy-storage sectors.

10-100×
Faster Full-DFN Simulation
100,000+
Coupled DFN Models on a Laptop
<1 min
4s4p Pack Simulation on a Desktop
2 min
Tesla Module Simulation on a Desktop
Core Features

Platform Capabilities

Experimental accuracy

Reproduces measured pack temperatures during pulsed discharge and relaxation, with validation against experiments on a 4s4p battery pack.

View Example

Fast full-physics simulation

Accelerates battery design studies using a high-performance solver for the full Newman/DFN electrochemical model, without reduced-order approximations.

Scalable pack modelling

Handles over 100,000 coupled DFN models on a standard laptop, with computation time scaling linearly as the system grows.

View Example

Energy-conserving thermal models

Includes heat of mixing within electrode materials for more accurate predictions of battery heating and temperature.

View Example

Detailed 3D cell simulation

Resolves internal temperature gradients and uneven local discharge to help evaluate large-format cell designs and cooling strategies.

View Example

Custom pack cooling

Couples electrochemical behaviour with heat transfer to simulate bespoke battery packs and cooling systems, including liquid cooling.

View Example

Embedded BMS simulation

Brings pack-scale electrochemical models into onboard battery management, with demonstrated deployment on resource-constrained automotive BMS hardware.

Flexible integration and deployment

Supports engineering workflows through Python API access and MATLAB/Simulink models, with deployment in the cloud or on your own servers.

Simulation Results

Examples

A selection of simulations run on DandeLiion. Each compares model output against experiment or demonstrates large-scale 3D performance.

3D SIMULATIONTHERMO-ELECTROCHEMICAL

Pouch cell heating during 5C discharge

A fully coupled thermo-electrochemical 3D simulation built from 9,600 coupled DFN models, showing heat generation across the cell during a demanding 5C discharge.

3D SIMULATIONLIQUID COOLING

Tesla Model S battery module simulation

Temperature distribution across a complete module during a 1C discharge. A fully coupled thermo-electrochemical 3D simulation with liquid cooling, made up of 440 coupled DFN models.

View Slide Deck(PDF)
3D POUCH CELL5M+ DAEs

Temperature coupling

Temperature distribution inside a 3D pouch cell, with the full DFN model solved in every finite volume. This single simulation solves more than 5 million coupled differential-algebraic equations.

DRIVE CYCLEHIGH ACCURACY

Drive Cycle simulation

A half-hour fragment of a drive-cycle simulation (red) compared against experiment (black). The relative error (orange) never exceeds 1%.

LG M50TIME-VARYING CURRENT

Charge / discharge experiment

An LG M50 cell simulated under a realistic, time-varying current demand.

21700 NCA/Gr-SiTEMPERATURE COMPARISON

Commercial NCA/Gr-Si battery discharge

A high-energy 21700 NCA/Gr-Si cell discharged at two different temperatures, with results compared directly against experiment.

HIGH-CURRENT10C PEAK

High-current Drive Cycle simulation

A high-current drive cycle with a highly non-uniform current profile, where peak charge and discharge currents reach 10C.

KOKAM 7.5 AHMACROSCOPIC VARIABLES

Secondary variables

A constant-current (1C) charge and discharge of a commercial Kokam 7.5 Ah pouch cell. Both microscopic and macroscopic variables — lithium-ion concentration in particles, potentials and more — can be saved at user-defined times and post-processed offline.

GITT21700 NCA/Gr-Si

GITT experiment simulation

A 21700 NCA/Gr-Si cell undergoing a Galvanostatic Intermittent Titration Technique (GITT) experiment, with measured current and voltage in excellent agreement with simulation.

GITT ZOOMHIGH QUALITY

GITT simulation (zoomed-in)

A zoomed-in view of the GITT comparison, highlighting just how closely simulation tracks experiment.

The DandeLiion Team

DandeLiion is built by a dedicated team of researchers and engineers from the Universities of Southampton and Portsmouth. Meet the people behind the platform.

Meet the Team

Contact Us

Connect with our team to discuss your interest, your application, or a potential partnership.

Location
Network Eagle Lab, Portland Terrace, Southampton, SO14 7SJ

Send us a message

Fill out the form below and we'll get back to you as soon as we can. All fields are required.

Legacy Simulation Portal

Our previous simulation engine is being retired as we prepare to launch a brand-new platform. If you need your historical simulation queue or past results, the legacy portal remains available for a limited time.