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Updated: Jun 15, 2026

Non-aqueous Electrode Processing and Construction of Lithium-ion Coin Cells

Non-aqueous Electrode Processing and Construction of Lithium-ion Coin Cells

Published on: February 1, 2016

Nanochitin as Binder in Li-Ion Battery Anodes Enabling Aqueous Processing and Superior Solid Electrolyte Interphase.

Amritha P Sandra¹, Vishnu Arumughan², Roberta Teixeira Polez²

¹Department of Chemical Engineering, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden.

ACS Applied Materials & Interfaces

|April 18, 2026

Summary

Chitin nanofibers (ChNFs) offer a sustainable, fluorine-free binder alternative for battery electrodes. Derived from fisheries waste, ChNFs enable aqueous processing and improve electrode stability and performance compared to traditional binders.

Keywords:

aqueous processing binders chitin nanofibers gas evolution graphite lithium-ion battery

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Screening of Coatings for an All-Solid-State Battery Using In Situ Transmission Electron Microscopy

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Published on: January 20, 2023

Area of Science:

Materials Science
Electrochemistry
Sustainable Chemistry

Background:

Binders are critical for battery electrode integrity and performance.
Poly(vinylidene difluoride) (PVDF), a common binder, faces scrutiny due to its polyfluoroalkyl nature and reliance on organic solvents.
Sustainable, fluorine-free binder alternatives are needed for eco-friendly battery manufacturing.

Purpose of the Study:

To introduce chitin nanofibers (ChNFs) as a biobased, fluorine-free binder for battery electrodes.
To investigate the mechanism of ChNF dispersion and stabilization of graphite.
To evaluate the electrochemical performance of ChNF-based electrodes compared to PVDF.

Main Methods:

Chitin nanofibers (ChNFs) derived from fisheries waste were used as a binder.
Aqueous dispersion of graphite with ChNFs was achieved without surfactants.
Colloidal probe microscopy, rheological analysis, and electrochemical testing were employed.
Material characterization included electron microscopy and X-ray photoelectron spectroscopy.

Main Results:

ChNFs effectively dispersed over 90% of graphite in water, forming stable suspensions.
ChNF-graphite dispersions exhibited suitable rheological properties for electrode coating.
Electrodes with 4% ChNFs showed high specific capacities and improved cycle stability over PVDF.
ChNF binders resulted in a more robust solid electrolyte interphase (SEI), reducing electrolyte reduction.

Conclusions:

Chitin nanofibers are a promising sustainable alternative to PVDF binders.
Aqueous processing of battery electrodes is feasible using ChNFs.
ChNF binders enhance electrochemical performance and electrode stability through improved SEI formation.