Utilization of Spent Graphite from Lithium-ion Batteries Waste as Sustainable Reinforcing Filler for Thermal, Vibration-Damping, and Noise Control Applications

IF 9.7 1区 环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL Journal of Cleaner Production Pub Date : 2024-11-06 DOI:10.1016/j.jclepro.2024.144143
, Jonty Mago, Ashutosh Negi, K.K. Pant, S. Fatima
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Abstract

This study explores the practical application of using spent graphite (SG) derived from lithium-ion battery waste as a sustainable reinforcing filler for fabricating rubber composites. Two types of rubber, natural rubber (NR) and butyl rubber (BR), were employed as matrices, and eight composites were fabricated by increasing SG loadings [0, 10, 20, and 30 parts per hundred rubber (phr)]. The effects of these SG loadings on the composites' morphological, physical, thermal, wettability, mechanical, dynamic mechanical, vibration-damping, and acoustic properties were thoroughly investigated. The findings demonstrate significant improvements with increasing SG loading, particularly in the BR/SG30 composite. By reinforcing 30 phr of SG into the BR matrix, the density, hardness, thermal degradation, and sound-insulating properties improved by approximately 3.50%, 15.64%, 6.05%, and 5%, respectively, compared to the NR/SG0 composite. The damping ratio (ξ) of MSBB + BR/SG30 was approximately 18.04 at the second vibration mode, and the overall sound power level of MSBB was reduced by about 12.20 dB(A) when the BR/SG30 composite layer was applied, highlighting its potential for real-world vibration and noise control applications. These results underscore the significant role of SG as a sustainable reinforcing filler in enhancing the properties of rubber composites, particularly in the BR matrix, making it a promising option for applications requiring effective vibration and noise control. This research opens new possibilities for using SG in various engineering applications, inspiring further exploration and innovation.
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利用锂离子电池废料中的废石墨作为可持续的强化填料,用于热能、减震和噪音控制领域
本研究探讨了使用从锂离子电池废料中提取的废石墨(SG)作为可持续补强填料制造橡胶复合材料的实际应用。研究采用了天然橡胶(NR)和丁基橡胶(BR)两种橡胶作为基体,并通过增加 SG 的负载量[0、10、20 和 30 份/百橡胶 (phr)]制造了八种复合材料。我们深入研究了这些 SG 添加量对复合材料形态、物理、热、润湿性、机械、动态机械、减振和声学性能的影响。研究结果表明,随着 SG 添加量的增加,复合材料的性能有了明显改善,尤其是在 BR/SG30 复合材料中。与 NR/SG0 复合材料相比,通过在 BR 基体中添加 30 phrs 的 SG,密度、硬度、热降解和隔音性能分别提高了约 3.50%、15.64%、6.05% 和 5%。在第二振动模式下,MSBB + BR/SG30 的阻尼比 (ξ)约为 18.04,当使用 BR/SG30 复合材料层时,MSBB 的整体声功率级降低了约 12.20 dB(A),突出了其在实际振动和噪声控制应用中的潜力。这些结果强调了 SG 作为可持续增强填料在提高橡胶复合材料性能方面的重要作用,特别是在 BR 基体中,使其成为需要有效控制振动和噪音的应用中的一个有前途的选择。这项研究为在各种工程应用中使用 SG 提供了新的可能性,激发了进一步的探索和创新。
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来源期刊
Journal of Cleaner Production
Journal of Cleaner Production 环境科学-工程:环境
CiteScore
20.40
自引率
9.00%
发文量
4720
审稿时长
111 days
期刊介绍: The Journal of Cleaner Production is an international, transdisciplinary journal that addresses and discusses theoretical and practical Cleaner Production, Environmental, and Sustainability issues. It aims to help societies become more sustainable by focusing on the concept of 'Cleaner Production', which aims at preventing waste production and increasing efficiencies in energy, water, resources, and human capital use. The journal serves as a platform for corporations, governments, education institutions, regions, and societies to engage in discussions and research related to Cleaner Production, environmental, and sustainability practices.
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