Do you want to build the best thermal system?

Design it with Batemo!

Challenge

ImpleĀ­menting an effecĀ­tive battery thermal manageĀ­ment system is indisĀ­pensĀ­able to maximize battery perforĀ­mance while ensuring safety and longevity under all operating conditions. Yet, it imposes a signifĀ­iĀ­cant challenge, as numerous objecĀ­tives, practical constraints and design variants must be considĀ­ered. Designing a cooling concept for a new battery system protoĀ­type or optimizing the design of an existing system means to have precise knowlĀ­edge of heat generĀ­aĀ­tion in the battery, heat storage within and heat transĀ­port across all compoĀ­nents - something that is missing when technology evolves as fast as in the battery community.

This is true for many aspects of battery thermal manageĀ­ment. Letā€™s make some examples: 
  • How does the cooling system impact the debalĀ­ancing amongst cells in the module, and how can my BMS account for that?
  • How does the cooling system impact the temperĀ­aĀ­ture, state of charge and current distriĀ­bĀ­uĀ­tion within the cell, and how does that change with aging?
  • Is a bottom or side cooling concept more benefiĀ­cial for my pack?
  • Which cooling strategy is required to optimize the fast-charging capability of my pack?
  • How much space do I safe when switch from water to immerĀ­sion cooling?
  • How should I design the heat sinks to enable passive cooling of my pack?
Finding reliable answers to these questions requires to have accurate thermal models. However, the deterĀ­miĀ­naĀ­tion of a suitable thermal simulaĀ­tion approach poses a signifĀ­iĀ­cant challenge, as sophisĀ­tiĀ­cated multi-dimenĀ­sional thermal models offer higher accuracy, but often demand overwhelming compuĀ­taĀ­tional and human resources. Achieving the optimal balance between simulaĀ­tion speed and accuracy for given design objecĀ­tives and project constraints is difficult. 

Solution

You need a universal tool which seamlessly integrates into your simulaĀ­tion environĀ­ment and precisely predicts the heat dissiĀ­paĀ­tion of your battery. And that is what the Batemo Cell Models and the Batemo Cube Model are. Batemos unique battery modeling technology allows to accurately predict the dissiĀ­pated heat considĀ­ering exactly your load profile and system design and can be integrated into all commonly used simulaĀ­tion tools. ConsisĀ­tent workflows across all length scales allow to connect system design objecĀ­tives with thermal design parameĀ­ters and thereby optimizaĀ­tion of your thermal manageĀ­ment on total system level. This increases product quality, while simulĀ­taĀ­neĀ­ously reducing development time and cost. 
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Fast

Batemo Cell Models run within seconds on normal office computers. This enables co-simulaĀ­tion among different simulaĀ­tion environĀ­ments considĀ­ering large parameter variaĀ­tions and optimizaĀ­tion workflows.
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Physical

Only if you split up the physical processes in the cell correctly, you can precisely calcuĀ­late the heat dissiĀ­paĀ­tion in the entire regime of operating conditions, for all cell chemistries and formats, including entropic effects and hysteresis behavior. 
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Accurate

QuantiĀ­taĀ­tively reliable simulaĀ­tion results need extenĀ­sively validated models. The Batemo Cell Model is the most accurate battery cell model there is ā€“ guaranĀ­teed! We always demonĀ­strate the validity through extenĀ­sive measureĀ­ments that prove highest accuracy. 
Thermal manageĀ­ment contains multiple aspects and occurs on multiple length scales. Holistic thermal optimizaĀ­tion requires the smart combiĀ­naĀ­tion of different simulaĀ­tion tools. The Batemo technology seamlessly integrates into all common simulaĀ­tion tools, allowing you to choose exactly the right tool for your challenge at hand. 

Battery Thermal Modeling Solutions:

Cell Internal

Analyze the local temperĀ­aĀ­ture distriĀ­bĀ­uĀ­tion in your cell and develop optimized cooling concepts.

System

Optimize the thermal network in your total system, check for debalĀ­ancing in your pack and much more.

3D CFD

Predict the exact temperĀ­aĀ­ture distriĀ­bĀ­uĀ­tion even in a complex pack geometry and include fluid dynamics.

Cell Internal - Batemo Cube Model

Each individual Batemo Cube Model repreĀ­sents a fraction of the cellā€™s active material. By considĀ­ering the heat and current transfer between single Batemo Cube Models, the cell exterior and the passive compoĀ­nents (cell housing or poles), you gain inforĀ­maĀ­tion about local distriĀ­bĀ­uĀ­tions of all internal cell quantiĀ­ties. This helps you to underĀ­stand, identify and predict local hot spots as well as to develop optimized cooling concepts for your cell. The Batemo Cube Model can be integrated in system simulaĀ­tion tools as well as 3D CFD environments. 

Real
battery Cell 

3D DiscretizaĀ­tion
with Cube Models

Inner TemperĀ­aĀ­ture Distribution 

System SimulaĀ­tion

To efficiently couple thermal and electrical effects on module, pack, or system level, system simulaĀ­tion tools are the right choice. Batemo Cell Models are natively integrated in MATLAB Simulink, Simscape and AVL Cruise M for easy-to-use model setup and postproĀ­cessing. AdditionĀ­ally, Batemo Cell Model FMUs allow integraĀ­tion into all common system simulaĀ­tion tools. To optimize your cooling strategy for all operaĀ­tion conditions including fast charging, check for debalĀ­ancing in your pack due to thermal ā€“ electrical interĀ­acĀ­tions, run parameter variaĀ­tions on system design variables and much more. 

3D CompuĀ­taĀ­tional Fluid Dynamics

When the exact temperĀ­aĀ­ture distriĀ­bĀ­uĀ­tion is needed in a complex pack geometry or a cooling system including fluid dynamics, high fidelity 3D CFD tools are required. Batemo Cell Models are natively integrated in AVL Fire M for easy-to-use model setup and postproĀ­cessing. AdditionĀ­ally, Batemo Cell Model FMUs allow integraĀ­tion into all common CFD simulaĀ­tion tools. 

development method

  • 1st

    Get the Batemo Cell Model or the Batemo Cube Model to have a physical, parameĀ­terĀ­ized and validated battery cell model. 

  • 2nd

    Integrate the cell model into your system model or CFD model in your preferred simulaĀ­tion environĀ­ment.

  • 3rd

    Identify the best thermal system by varying thermal design parameĀ­ters and compare different cell, module or pack design variants. Consider arbitrary cells, cooling concepts and operaĀ­tion strateĀ­gies, as well as your constraints and your KPIs.

  • 4th

    Do a design of validaĀ­tion experĀ­iĀ­ments with a thermal manageĀ­ment system protoĀ­type and get it into your technology.

AdvanĀ­tages

Using the Batemo Cell Models and/or Batemo Cube Models digitizes your thermal system design, making it faster, lower cost while leading to better battery systems. This is how we generate value and contribute to your success. 
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Better

Using the Batemo Technology, you will identify the best thermal system design and optimize the cooling strategy of your battery system. This is how you maximize robustĀ­ness, lifetime and electroĀ­chemĀ­ical perforĀ­mance of your system, and enables you to differĀ­enĀ­tiate from competiĀ­tors.
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Faster

With the Batemo Technology, the development of your thermal manageĀ­ment system takes a fraction of time. By digitizing your thermal design process instead of building protoĀ­types, you move optimally towards your objecĀ­tives, thereby reducing the time to market of your technology. 
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Lower Cost

The Batemo technology reduces cost of your thermal system design and optimizaĀ­tion. Your development gets more efficient saving expenses on protoĀ­typing, testing and engineering time. 

InterĀ­ested?

Letā€™s Take the First step!

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