The Important Role of Batteries in Electric Vehicles
Batteries Research Background
With the increasing consumption of fossil energy and the gradual emphasis on environmental protection, electric vehicles that use electric energy to replace fossil energy as power have attracted the attention and vigorous research and development of countries all over the world. As the core and bottleneck of electric vehicles, battery technology is the focus and hot spot of electric vehicle research, and is also the key to the cost, cruising range, safety and service life of new energy vehicles.
At present, there are four main technical routes in the direction of battery research and development: lithium-ion batteries, fuel cells, supercapacitors and aluminum-air batteries, of which the first three have been widely used, and the latter is still in the laboratory research stage. Overall, lithium-ion batteries and fuel cells will be the main development trends for a long time to come.
Battery Simulation Research Background
At present, the simulation research and development of new energy batteries mainly lies in the two aspects of battery reaction research and thermal management research. ANSYS has relatively mature solutions for these two aspects of research.
Since the physical phenomena in the battery research process have very different time and space dimensions, ANSYS provides MSMD solutions for this; it also provides corresponding solutions for problems that may be encountered during battery use, such as short circuit, thermal runaway, etc. models and solutions.
ANSYS CFD has specially set up two modules for fuel cell simulation, one is the PEMFC model and the other is the SOFC model, which can realize the comprehensive simulation of fuel cell or stack-level electrochemistry, heat, flow, etc.
In addition, ANSYS can also extract the ROM reduced-order model of the battery through the calculation results of CFD, which can obtain very high-precision results in real time, and this ROM reduced-order model can be used in system simulation.
Finally, ANSYS has corresponding simulation programs for a series of tests required by national standards such as structural strength, vibration performance, fatigue analysis, drop analysis, extrusion analysis, impact analysis, and collision analysis during the specific use of batteries.
