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A Simulation Approach in Analyzing Performance of Fly Ash Nanofluid for Optimizing Battery Thermal Management System used in EVs
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  • Prajwal Thorat,
  • Sudarshan Sanap,
  • Shashank Gawade,
  • Sateesh Patil
Prajwal Thorat
MIT Art Design and Technology University

Corresponding Author:prajwalthorat596@gmail.com

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Sudarshan Sanap
MIT Art Design and Technology University
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Shashank Gawade
MIT Art Design and Technology University
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Sateesh Patil
MIT Art Design and Technology University
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Abstract

Driven by the goal to achieve sustainable mobility, mitigate climate change, and reduce greenhouse gas emissions, electric vehicles (EVs) represent a radical paradigm shift in the automotive industry. Significant progress has been made in electric vehicle (EV) technology in recent times, including enhancements in battery efficiency, range, and charging infrastructure. As the main energy storage option for electric vehicles, lithium-ion battery technology has advanced significantly, increasing energy density and lowering costs. Wider acceptance of EVs has also been encouraged by the development of fast-charging stations and smart grid integration, which have greatly solved issues with convenience and charging time. However, lithium-ion cells used currently have a working temperature range of 15 o C to 35 o C. The temperature above or below can affect the battery performance and range of the vehicle. Thus, implementation of proper Battery Thermal Management System (BTMS) is required to achieve effective cooling performance and maintain the cells within operating range of temperatures. The current study focuses on the use of fly ash nanoparticles dispersed in base fluid water-ethylene glycol to be used as coolant in indirect liquid cooling system. An ANSYS FLUENT model is developed for 14 LFP cylindrical cells having 2S7P arrangement with serpentine cooling channel in between the cells. The current study uses 5 % particle concentration fly ash nanofluid as coolant to understand the rise in temperature at the outlet for different flow velocities. The better cooling performance was observed for fluid flow rate of 0.1 m/sec with an outlet temperature rise of 311.976 K along with rise of 4 % in temperature compared to inlet fluid flow temperature of 300 K. The percentage difference between the rise in temperature of the outlet for the fluid at 0.1 m/sec and 3 m/sec is 3.07 % indicating effective cooling at lower fluid flow velocities. Thus, by the use of Fly ash as nanofluid in battery cooling application will certainly help to reduce the temperature of battery pack and can provide to be a sustainable solution leading to lesser degradation of environment.
25 Jan 2024Review(s) Completed, Editorial Evaluation Pending
25 Jan 2024Submitted to Energy Storage
01 Feb 2024Submission Checks Completed
01 Feb 2024Assigned to Editor
11 Apr 2024Reviewer(s) Assigned
11 Apr 2024Reviewer(s) Assigned
29 Jun 20241st Revision Received
29 Jun 2024Review(s) Completed, Editorial Evaluation Pending
01 Jul 2024Submission Checks Completed
01 Jul 2024Assigned to Editor
07 Jul 2024Editorial Decision: Accept