Improving the Conductivity of Graphite-Based Lithium-Ion Battery Anodes Using Polyaniline–Alginate Blends Article Swipe
Sean Scott
,
Jennifer M. Hartley
,
Andrew P. Abbott
,
Karl S. Ryder
·
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.1021/acs.jpcc.3c07222
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.1021/acs.jpcc.3c07222
This investigation shows the effect of blending sodium alginate (NaAlg) and a conducting polymer, polyaniline (PANI), in lithium-ion battery (LIB) anodes. We demonstrate here that inclusion of the PANI into the binder improves the connectivity of the composite, resulting in better performance. Additionally, the blends are easily formulated without sophisticated methods or additional equipment. When these binders were combined into electrodes, the conductivity rose by between 3- and 5-fold compared with the unmodified NaAlg, depending on the PANI loading. The conducting polymer did not significantly change the thermal stability or cycling of the cells, but it did improve the Coulombic efficiency. During electrochemical testing, it was found that cells containing PANI within the binders exhibited evidence of essential processes, such as SEI formation and lithium intercalation. Evidence of side reactions was observed, predicted to be the lithiation of PANI to create lithium emeraldinate within the polymeric regions, which could increase the Coulombic efficiency of the cells and allow for the decrease in impedance contributions after extensive cycling. Capacities and rate capabilities comparable to anodes prepared using graphite and commercial binders PVDF and CMC/SBR were also observed. Crucially, after cycling, the NaAlg/PANI binder could be fully removed from the active material with mild ultrasonic agitation in water.
Related Topics
Concepts
Faraday efficiency
Polyaniline
Materials science
Anode
Lithium (medication)
Graphite
Conductive polymer
Electrochemistry
Conductivity
Chemical engineering
Battery (electricity)
Lithium battery
Electrode
Polymer
Intercalation (chemistry)
Carbon black
Ion
Composite material
Inorganic chemistry
Chemistry
Organic chemistry
Ionic bonding
Natural rubber
Endocrinology
Physics
Physical chemistry
Engineering
Medicine
Quantum mechanics
Polymerization
Power (physics)
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1021/acs.jpcc.3c07222
- https://pubs.acs.org/doi/pdf/10.1021/acs.jpcc.3c07222
- OA Status
- hybrid
- Cited By
- 6
- References
- 37
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4391473113
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4391473113Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.1021/acs.jpcc.3c07222Digital Object Identifier
- Title
-
Improving the Conductivity of Graphite-Based Lithium-Ion Battery Anodes Using Polyaniline–Alginate BlendsWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2024Year of publication
- Publication date
-
2024-02-02Full publication date if available
- Authors
-
Sean Scott, Jennifer M. Hartley, Andrew P. Abbott, Karl S. RyderList of authors in order
- Landing page
-
https://doi.org/10.1021/acs.jpcc.3c07222Publisher landing page
- PDF URL
-
https://pubs.acs.org/doi/pdf/10.1021/acs.jpcc.3c07222Direct link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
hybridOpen access status per OpenAlex
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https://pubs.acs.org/doi/pdf/10.1021/acs.jpcc.3c07222Direct OA link when available
- Concepts
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Faraday efficiency, Polyaniline, Materials science, Anode, Lithium (medication), Graphite, Conductive polymer, Electrochemistry, Conductivity, Chemical engineering, Battery (electricity), Lithium battery, Electrode, Polymer, Intercalation (chemistry), Carbon black, Ion, Composite material, Inorganic chemistry, Chemistry, Organic chemistry, Ionic bonding, Natural rubber, Endocrinology, Physics, Physical chemistry, Engineering, Medicine, Quantum mechanics, Polymerization, Power (physics)Top concepts (fields/topics) attached by OpenAlex
- Cited by
-
6Total citation count in OpenAlex
- Citations by year (recent)
-
2025: 5, 2024: 1Per-year citation counts (last 5 years)
- References (count)
-
37Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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