Learn · model · understand

Battery examples, guides & knowledge

Start with a worked example, follow a practical guide, or explore the sources behind a design idea. Every page connects the explanation to its assumptions and evidence.

40 entries

Worked examples

Open a worked pack-design case or run a prepared simulation, inspect its inputs and results, and trace the assumptions behind it.

Roadster Physics Lab

Explore four original Lemonergy experiments with a 3D cutaway, live forces, editable packs and a native block inspector for every subsystem.

Interactive use case · authored engineering assumptions

Engineering examples in Lemonergy

Run and inspect ten prepared battery, circuit and thermal examples with software figures, downloadable model data and numerical references.

Draft explanation

Simulate a battery pulse with a two-RC cell model

Build a two-branch equivalent-circuit cell in Lemonergy and follow terminal voltage, instantaneous resistance and slower polarization during two discharge pulses.

Editorially reviewed

Simulate current and charge in an RLC circuit

Build a driven RLC equation model in Lemonergy, inspect its connected blocks and compare current, charge and input voltage against an analytical reference.

Editorially reviewed

Iron rod: steady conduction

Calculate the tip temperature of a rod carrying 18 W from a 100 °C base through its axial resistance.

Editorially reviewed

Iron rod: cylindrical convection

Calculate heat loss from the cylindrical surface of a uniform 55 °C rod into 20 °C air.

Editorially reviewed

Iron rod: insulated heating

Integrate the temperature of a uniform insulated rod heated with a constant 18 W input.

Editorially reviewed

Iron rod: lumped transient

Follow one rod thermal mass with base conduction and combined losses to ambient.

Editorially reviewed

Recover a cell’s resistance and capacitances from pulse data

Follow the CT-01 parameter-recovery experiment: prepare synthetic pulse data, estimate equivalent-circuit parameters and check the recovered response.

Draft explanation

Two cells: passive heat exchange

Check passive heat transfer between two equal thermal masses without sources or losses.

Editorially reviewed

Single cell: finite heat release

Check that a finite heat pulse releases the intended energy and stops at the declared event.

Editorially reviewed

Two cells: triggered heat propagation

Check that heat from the first cell produces the expected sampled trigger in its neighbor.

Editorially reviewed

Two cells: reduced thermal coupling

Inspect the same two-cell event model with weaker inter-cell heat transfer.

Editorially reviewed

51.2 V LFP home battery sizing for a four-hour 2 kW duty

Follow a 16S1P LF280K pack from a simple 8 kWh load budget to the existing Lemonergy design workspace. Inspect the native case, distinguish nominal energy from simulated state of charge, and keep estimated cell resistance and equipment limits visible.

Editorially reviewed

How-to guides

Run a prepared example, interpret and download its results, or adapt a model in the Pro editor.

Run, inspect and save your first simulation

Run a prepared Lemonergy example, inspect its blocks and signals, download the results, and adapt a model with Pro.

Draft explanation

Understand simulation results and accuracy

Read the signal table, compare plotted traces, diagnose a failed limit and distinguish a fresh run from a saved result.

Draft explanation

Collect independent comparison evidence

Collect repeatable results from Lemonergy and an independent implementation, check the same inputs and numerical gates, and retain evidence that another engineer can reproduce.

Draft explanation

Concepts and methods

Understand the engineering ideas, assumptions and proposed applications behind a design.

Battery thermal management

A starting point for thermal-management explanations, cooling concepts, source references and design studies.

Draft explanation

Liquid cooling integrated into the CCS

Evaluate an optional cooling path through a CCS assembly, with source attribution, linked components and explicit validation needs.

proposed

Charging duty

Compare joint and cell temperatures under the same current profile, coolant inlet temperature and flow.

proposed

Repeated power pulses

Investigate whether connector temperatures constrain repeated power pulses before bulk-cell temperatures do.

proposed

Cold-start conditioning

Compare joint, surface and internal temperature gradients while warming the module.

proposed

Module packaging

Compare assembly height, coolant routing, mass and service access against a conventional module.

proposed

Thermal propagation verification examples

Explore finite heat release, bidirectional exchange, sampled triggering and energy accounting in four synthetic models.

Draft explanation

Model a thruster vehicle on Lemonergy parts

Lemonergy parts, a battery with OCV, resistance and temperature, an explicit suspension, enforced or flagged limits; drive it live or run the event.

Under study

Sources and references

Find articles, bibliographic records, parts, requirements and evidence provenance.

Finally, Liquid Cooling Moves to the Top of the Cell — Integrated into CCS

Publisher’s descriptive article about cooling passages within a CCS carrier.

Source description

Source description: cooling within the CCS

JONVER describes coolant passages integrated into the CCS insulating carrier near the busbars and terminal connections. The assembly accommodates sensing electronics and dedicated cell-vent openings. Warm coolant can provide preheating. This is the publisher’s description, not measured Lemonergy performance.

Source description

Cell contact system (CCS, plastic carrier)

The existing interconnect class is relevant to a cooled CCS study. Its catalog entry does not establish compatibility or performance for a cooled assembly.

Catalog reference

Bottom liquid cold plate

An existing cooling component for the comparison baseline; a combined configuration may retain bottom cooling.

Catalog reference

Characterize thermal and electrical inputs

Measure joint resistance, thermal contact resistance, carrier properties, contact areas, channel dimensions and coolant properties.

Open evidence question

Define a separate thermal network

Distinguish cell, terminal/busbar and coolant states. Account for joint heating once and track where coolant heat is removed.

Open evidence question

Check physical integration

Represent top clearance, vent paths, electrical isolation, seals, coolant routing and service access in the geometry.

Open evidence question

Collect comparable evidence

Measure joint and cell temperatures, flow, pressure drop and pump power using identical baseline and candidate duties.

Open evidence question

MathWorks: Estimate Battery Model Parameters from HPPC Data

The retained CT-01 contract transcribes ParameterSummary ID 5 for BAK N18650CL-29 at 25 °C and 0.4 SOC. Its original retrieval date is August 23, 2026; the campaign source notes record a September 30, 2026 check. The measured source voltage waveform was not imported.

Bibliographic reference · contents not reviewed

MathWorks: Solve Differential Equations of RLC Circuit Using Laplace Transform

The retained campaign contract records the circuit inputs and published current/charge expressions. Campaign source notes record a September 30, 2026 check. Lemonergy implements a connected numerical equation graph; it does not invoke a symbolic Laplace solver.

Bibliographic reference · contents not reviewed

MathWorks: Heat Conduction Through Iron Rod

The retained campaign contract records the iron-rod inputs and printed answers for Examples 1–3. Campaign source notes record a September 30, 2026 check. The local linear and lumped exponential trajectories are analytical constructions, not downloaded Simscape traces.

Bibliographic reference · contents not reviewed

The published-reference comparison campaign

Read the battery, RLC and heat-transfer evidence batch with its frozen contracts, comparison table and recorded provenance.

Draft explanation

Experimental Data-Driven Parameter Identification and State of Charge Estimation for a Li-Ion Battery Equivalent Circuit Model

Pang and Zhang’s experimental study of parameter identification for a two-branch RC battery model; related reading for pulse-response modeling and the distinction between synthetic recovery and measured validation.

Source description

A Review of Lithium-Ion Battery Thermal Runaway Modeling and Diagnosis Approaches

A review connecting thermal-runaway model choices with prediction and detection methods; background for understanding what a numerical verification case can and cannot establish.

Source description

Experimental and Numerical Investigations on the Thermal Performance of Three Different Cold Plates Designed for the Electrical Vehicle Battery Module

An experimental and numerical LTO-module study comparing cold-plate arrangements, temperature distributions and pressure drop; related reading for planning a cooling comparison.

Source description

EVE LF280K: manufacturer data and source conditions

The undated manufacturer sheet used for the LFP storage example, including rating conditions and the distinction between published AC impedance and estimated DC resistance.

Bibliographic reference