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Sustainable Polyvinyl Chloride‐Derived Soft Carbon Anodes for Potassium‐Ion Storage: Electrochemical Behaviors and Mechanism
Open accessAbstract
Soft carbon is a promising anode material for potassium‐ion batteries due to its favorable properties such as low cost, high conductivity, stable capacity, and low potential platform. Polyvinyl chloride, as a white pollutant, is a soft carbon precursor that can be carbonized at varying temperatures to produce soft carbons with controllable defect and crystal structures. This work investigates the effect of carbonization temperature on the crystalline structures of the obtained soft carbons. In situ Raman spectroscopy was used to elucidate the adsorption‐intercalation charge storage mechanism of potassium ions in soft carbons. Soft carbons prepared at the temperature of 800 °C have a defect‐rich, short‐range ordered structure, which provides optimal intercalation and adsorption sites for potassium ions, resulting in a satisfactory capacity of 302 mAh g −1 . This work presents new possibilities for designing soft carbon materials from recycling plastics for potassium‐ion batteries.
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Soft carbon prepared from polyvinyl chloride at 800 °C exhibits abundant carbon defects and delivers a high capacity of 302 mAh/g in potassium-ion batteries.
“The results demonstrated that soft carbon prepared at 800 °C exhibited abundant carbon defects, delivering a high capacity of 302 mAh/g when applied in potassium-ion batteries [61] (Fig. 6d).”
From Functional carbon materials from waste plastics: synthesis and applications (2025) · cites this paper as [61]
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References 58 · Cited by 27
Research works printed but not linked: 1
- 10.1021/acsami.1c22576 · DOI
Metadata
- Authors
- He, X., Zhong, L., Qiu, X., Wen, F., Sun, S., Zu, X., & Zhang, W.
- Affiliations
- Guangdong University of Technology (CN)
- Corresponding author
- Qiu, Xueqing
- Zhang, Wenli
- Venue
- ChemSusChem
- Publisher
- Wiley
- Published
- 2023-07-28
- Volume
- 16
- Issue
- 19
- Pages
- e202300646-e202300646
- ISSN
- 1864-5631 (ISSN-L)
- 1864-564X
- OpenAlex
- W4380738011
- Cited by
- 27
- References
- 58
- Citations by year
- 2026: 7 · 2025: 11 · 2024: 7 · 2023: 2
- FWCI
- 2.00
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- ChemSusChem (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Natural Science Foundation of China (22108044)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Advancements in Battery Materials
- Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Supercapacitor Materials and Fabrication
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Aqueous and Flow Batteries
- Keywords
- potassium-ion batteries, polyvinyl chloride, plastic recycling, carbonization temperature, defect-rich carbon, potassium adsorption, potassium intercalation, charge storage mechanism, short-range ordered structure, in situ Raman spectroscopy
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