Batteries & Fuel Cells Module

New Functionality in 4.2

Material Library

• New Batteries and Fuel Cells material library including common battery electrode materials and electrolytes.

Electrode Kinetics

• Concentration-dependent predefined kinetics expressions for porous and planar electrodes.

Electrochemical Impedance Spectroscopy (EIS)

• AC Impedance Study types simulating EIS using Harmonic Perturbations on Electric Potential and Electrode Current boundary nodes.

New Physics Interfaces and Interface Functionality

• Surface Reactions interface for modeling of surface reactions on boundaries (surfaces in 3D).

• Reacting Flow, Diluted Species multiphysics interface combining single-phase flow with mass transport of diluted species.

• Reacting Flow, Concentrated Species multiphysics interface combining single-phase flow with mass transport of concentrated species.

• New Thin Diffusion Barrier boundary condition for interior boundaries in the Species Transport in Porous Media interface.

New Models

• Edge Effects In a Spirally Wound Li-Ion Battery

• Thermal Modeling of a Cylindrical Li-Ion Battery in 2D

• Thermal Modeling of a Cylindrical Li-Ion Battery in 3D (requires the Batteries & Fuel Cells Module and the Heat Transfer Module)

• Electrochemical Impedance Spectroscopy in a Fuel Cell

• Primary Current Distribution in a Lead-Acid Battery Grid Electrode

• Soluble Lead-Acid Redox Flow Battery