Accelerating Battery Material Optimization through iterative Machine Learning

• URL: http://arxiv.org/abs/2505.18162v1
• Date: Mon, 12 May 2025 11:45:02 GMT
• Title: Accelerating Battery Material Optimization through iterative Machine Learning
• Authors: Seon-Hwa Lee, Insoo Ye, Changhwan Lee, Jieun Kim, Geunho Choi, Sang-Cheol Nam, Inchul Park,
• Abstract summary: We introduce an iterative machine learning (ML) framework that integrates active learning to guide targeted experimentation and facilitate incremental model refinement.<n>Our results demonstrate that active-learning-driven experimentation markedly reduces the total number of experimental cycles necessary.
• Score: 0.8189259726221193
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: The performance of battery materials is determined by their composition and the processing conditions employed during commercial-scale fabrication, where raw materials undergo complex processing steps with various additives to yield final products. As the complexity of these parameters expands with the development of industry, conventional one-factor-at-a-time (OFAT) experiment becomes old fashioned. While domain expertise aids in parameter optimization, this traditional approach becomes increasingly vulnerable to cognitive limitations and anthropogenic biases as the complexity of factors grows. Herein, we introduce an iterative machine learning (ML) framework that integrates active learning to guide targeted experimentation and facilitate incremental model refinement. This method systematically leverages comprehensive experimental observations, including both successful and unsuccessful results, effectively mitigating human-induced biases and alleviating data scarcity. Consequently, it significantly accelerates exploration within the high-dimensional design space. Our results demonstrate that active-learning-driven experimentation markedly reduces the total number of experimental cycles necessary, underscoring the transformative potential of ML-based strategies in expediting battery material optimization.

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