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Three-dimensional cross-linked sugarcane bagasse carbon material: A substitute for graphene with excellent performance in capacitive deionization and highly efficient Cu2+removal

Zhao, Meng (author)
Guangzhou Univ, Peoples R China
Wu, Lirong (author)
Guangzhou Univ, Peoples R China
Liang, Weiwen (author)
Guangzhou Univ, Peoples R China
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Xie, Shaojian (author)
Guangzhou Univ, Peoples R China
Hu, Qihang (author)
Guangzhou Univ, Peoples R China
Wu, Tao (author)
Guangzhou Univ, Peoples R China
Wu, Guoqing (author)
Guangzhou Univ, Peoples R China
Sun, Huicai (author)
Guangzhou Univ, Peoples R China
Dai, Junxi (author)
Guangzhou Univ, Peoples R China
Huang, Lei (author)
Guangzhou Univ, Peoples R China
Yan, Jia (author)
Guangzhou Univ, Guangzhou Univ Linkoping Univ Res Ctr Urban Sustai, Guangzhou 510006, Peoples R China; Guangzhou Univ, Peoples R China
Li, Meng (author)
Guangzhou Univ, Peoples R China
Liu, Xianjie (author)
Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
Zhang, Hongguo (author)
Guangzhou Univ, Guangzhou Univ Linkoping Univ Res Ctr Urban Sustai, Guangzhou 510006, Peoples R China; Guangzhou Univ, Peoples R China; Guangzhou Univ, Peoples R China
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 (creator_code:org_t)
ELSEVIER, 2024
2024
English.
In: Colloids and Surfaces A. - : ELSEVIER. - 0927-7757 .- 1873-4359. ; 684
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Capacitive deionization (CDI) is a high-performance, low-energy consumption, and environmentally friendly water treatment technology with a broad application prospect in heavy metal removal. Selecting electrode materials with high capacitance and low resistance is essential for improving CDI's desalting efficiency. This article discusses the utilization of sugarcane bagasse (C-N-X) and the production procedures of CDI materials. The unique 3D cross-linked structure of C-N-X provides excellent mass transfer properties and significant advantages in capacitance and conductivity. The results of X-ray photoelectron spectroscopy (XPS) and Fourier Transform Infrared Spectrometer (FTIR) show that bagasse biochar with graphene-like structure and abundant functional groups provides active sites for Cu2+ removal. In this paper, C-N-X is first used as CDI electrode material to remove Cu2+. Electrochemical tests show that the specific capacitance of C-N-X is still stable at about 47 F g ? 1, and the removal capacity of Cu2+ (25 mg L-1) reaches 66.79 mg g-1 within 4 h after 700 cycles. The experimental results and DFT calculations confirm the adsorption selectivity of C -N-700 for Cu2+.

Subject headings

NATURVETENSKAP  -- Kemi -- Annan kemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences -- Other Chemistry Topics (hsv//eng)

Keyword

Sugarcane bagasse; Capacitive deionization; 3D structure; Cu2

Publication and Content Type

ref (subject category)
art (subject category)

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