Deciphering energy storage mechanisms and pore structure effects in sugarcane bagasse-derived biomass carbon for lithium – ion batteries and supercapacitors

IF 5.8 2区生物学 Q1 AGRICULTURAL ENGINEERING

Biomass & Bioenergy Pub Date : 2025-09-13 DOI:10.1016/j.biombioe.2025.108325

Quynh Nhu Nguyen , Nghia Trong Nguyen , Thuy Trang T. Vuong , Viet-Duy La , Thi Viet Bac Phung , Nhat Van Nguyen , Phat Tan Vu , Hoang Van Nguyen , Phung My Loan Le , Phi Long Nguyen

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Abstract

Biomass porous carbon material is a potential electrode candidate. However, it remains challenging to understand the energy storage mechanisms and the influence of pore architecture, which are evaluated holistically in this study. In detail, sugarcane bagasse carbon (SC) materials were synthesized and activated using sodium hydroxide, exhibiting surface areas exceeding 200 m² g⁻¹, making them highly suitable for use in batteries and supercapacitors. Among the tested anodes, SC700 demonstrated outstanding performance, delivering a specific capacity of 369.2 mAh.g⁻¹ at 0.1 A g⁻¹ and retaining 190.2 mAh.g⁻¹ at 5 A g⁻¹. Even after 150 cycles at 0.5 A g⁻¹, SC700 maintained a retention rate of 80.03 %, which is attributed to ion mainly adsorption by the optimal balance of microporous and mesoporous structures. Additionally, SC800 excelled in high-rate cycling, attributed to its macro-porous structure and pseudo-capacitive behavior, which improve ion adsorption and facilitate efficient energy release, making it particularly suitable for powering high-energy devices. These findings provide deeper insights into the structure-property relationship of biomass-derived porous carbon, paving the way for sustainable energy solutions.

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用于锂离子电池和超级电容器的甘蔗甘蔗渣衍生生物质碳的储能机制和孔隙结构效应

生物质多孔碳材料是一种潜在的电极候选材料。然而，了解能量储存机制和孔隙结构的影响仍然具有挑战性，本研究对其进行了整体评估。详细地说，蔗渣碳（SC）材料是用氢氧化钠合成和活化的，其表面积超过200 m2 g−1，非常适合用于电池和超级电容器。在测试的阳极中，SC700表现出出色的性能，提供了369.2 mAh的比容量。g−1在0.1 A g−1和保持190.2 mAh。5a时的g−1。即使在0.5 A g−1条件下循环150次后，SC700的保留率仍保持在80.03%，这主要归因于微孔和介孔结构的最佳平衡吸附离子。此外，由于其大孔结构和准电容性，SC800在高倍率循环方面表现出色，从而改善了离子吸附并促进了高效的能量释放，特别适合为高能器件供电。这些发现对生物质衍生多孔碳的结构-性质关系提供了更深入的见解，为可持续能源解决方案铺平了道路。

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来源期刊

Biomass & Bioenergy 工程技术-能源与燃料

CiteScore

11.50

自引率

3.30%

发文量

258

审稿时长

60 days

期刊介绍： Biomass & Bioenergy is an international journal publishing original research papers and short communications, review articles and case studies on biological resources, chemical and biological processes, and biomass products for new renewable sources of energy and materials. The scope of the journal extends to the environmental, management and economic aspects of biomass and bioenergy. Key areas covered by the journal: • Biomass: sources, energy crop production processes, genetic improvements, composition. Please note that research on these biomass subjects must be linked directly to bioenergy generation. • Biological Residues: residues/rests from agricultural production, forestry and plantations (palm, sugar etc), processing industries, and municipal sources (MSW). Papers on the use of biomass residues through innovative processes/technological novelty and/or consideration of feedstock/system sustainability (or unsustainability) are welcomed. However waste treatment processes and pollution control or mitigation which are only tangentially related to bioenergy are not in the scope of the journal, as they are more suited to publications in the environmental arena. Papers that describe conventional waste streams (ie well described in existing literature) that do not empirically address ''new'' added value from the process are not suitable for submission to the journal. • Bioenergy Processes: fermentations, thermochemical conversions, liquid and gaseous fuels, and petrochemical substitutes • Bioenergy Utilization: direct combustion, gasification, electricity production, chemical processes, and by-product remediation • Biomass and the Environment: carbon cycle, the net energy efficiency of bioenergy systems, assessment of sustainability, and biodiversity issues.