# Sustainable and Robust Biomass-Based Binder for Silicon Anodes in Lithium-Ion Batteries: Cross-linked Sodium Alginate and Chondroitin Sulfate

https://mdr.nims.go.jp/datasets/ba59e4e2-bd31-4aeb-83ca-be9bb7f87a58

## Files

- [Sustainable and robust biomass-based binder for silicon anodes in lithium-ion batteries  cross-linked sodium alginate and chondroitin sulfate.pdf](https://mdr.nims.go.jp/filesets/9626ceb2-9af2-4da1-9c19-46f9ab2d37ef/download) ([Detail](https://mdr.nims.go.jp/filesets/9626ceb2-9af2-4da1-9c19-46f9ab2d37ef.md))

## Id

ba59e4e2-bd31-4aeb-83ca-be9bb7f87a58

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2025-07-01T05:37:38.368505Z

## Updated at

2025-07-16T07:14:58.692765Z

## Published at

2025-07-01T23:19:12.341677Z

## Doi

https://doi.org/10.48505/nims.5553

## First published url

https://doi.org/10.1080/14686996.2025.2523243

## Date published

2025-12-31

## Recorded date published

2025-12-31

## Resource type

journal_article

## Manuscript type

accepted_manuscript

## Collection



## Title

- title: 'Sustainable and Robust Biomass-Based Binder for Silicon Anodes in Lithium-Ion
    Batteries: Cross-linked Sodium Alginate and Chondroitin Sulfate'
  title_type: original
  lang: en

## Description

- description: Silicon (Si) is a promising next-generation anode material for lithium-ion
    batteries (LIBs) due to its exceptionally high theoretical capacity (3579 mAh
    g− 1) and natural abundance. However, its commercialization remains challenging
    due to severe volume expansion (~300%) during cycling, leading to poor structural
    stability and rapid capacity degradation. To address this issue, we developed
    a novel biomass-derived binder system denoted as SCC, composed of sodium alginate
    (SA) and chondroitin sulfate (CS), crosslinked via a simple calcium chloride (CaCl₂)
    aqueous treatment. Unlike conventional synthetic polymer-based binders, this system
    enhances mechanical stability while maintaining an environmentally friendly, water-based
    fabrication process. Spectroscopic analysis confirmed strong hydrogen bonding
    interactions between SA and CS, as well as robust crosslinking formation through
    Ca2 +. These interactions effectively enhance the mechanical strength of the SCC
    binder, enabling it to accommodate the severe volume changes that occur during
    electrochemical reactions in Si anodes. This, in turn, contributes to enhanced
    structural stability of Si electrode, which leads to a reduction in both solid
    electrolyte interphase and charge transfer resistance. As a result, the SCC electrode
    showed improved electrochemical cycling stability, with a 13.45% higher capacity
    retention after 60 cycles at a 0.2C rate compared to SA alone. This suggests its
    potential as a sustainable and scalable solution for next-generation high-performance
    Si anodes.
  description_type: abstract
  lang: en

## Creator

- name: Hyun Wook Jung
  role: author
  organization: Kyung Hee University
  department: Department of Convergent Biotechnology and Advanced Materials Science
- name: Seung Min Ko
  role: author
- name: Jung Tae Lee
  role: author

## Contact agent



## Publisher

organization: Taylor & Francis

## Managing organization



## Keyword

- subject: Silicon anode
  schema: not_defined
- subject: cross-linking
  schema: not_defined
- subject: binder
  schema: not_defined
- subject: eco-friendly
  schema: not_defined
- subject: biomass
  schema: not_defined

## Rights

- identifier: https://creativecommons.org/licenses/by-nc/4.0/

## Other identifier(s)



## Data origin

- data_origin_type: other

## Embargo



## Journal

- title: Science and Technology of Advanced Materials
  issn: '14686996'
  volume: '26'
  article_number: '2523243'

## Conference



## Related item



## Funding



## Instrument



## Instrument operator



## Instrument managing organization



## Measurement method



## Specimen



## Chemical composition



## Structure for specimen



## Structural feature for specimen



## Specific property for specimen



## Process for specimen treatment



## Computational method



## Energy level/transition state



## Software



## Custom property



## Fileset

- id: 9626ceb2-9af2-4da1-9c19-46f9ab2d37ef
  filename: Sustainable and robust biomass-based binder for silicon anodes in lithium-ion
    batteries  cross-linked sodium alginate and chondroitin sulfate.pdf
  content_type: application/pdf
  size: 6271840
  md5: 2770be0b6cb04103eef50d800ce67f57

## Thumbnail

fileset_id: 9626ceb2-9af2-4da1-9c19-46f9ab2d37ef
filename: Sustainable and robust biomass-based binder for silicon anodes in lithium-ion
  batteries  cross-linked sodium alginate and chondroitin sulfate.pdf