Electrochemical characterization of gelatine derived ceramics

• Autorzy: Nowak, A. P. , Trzciński, K. , Lisowska-Oleksiak, A.
• Języki publikacji: EN

Abstrakty

EN

New materials obtained by pyrolysis of gelatine (G) and poly(1,2-dimethylsilazane) (PSN) (weight ratio: G/PSN 70/30) at temperatures 700 and 900 °C were characterized by SEM and Raman spectroscopy. The presence of ceramics influences on the cluster size of the materials. Electrochemical tests were performed by cyclic voltammetry and galvanostatic cyclic polarization. The capacity of G/PSN was 464 and 527 mAh/g for materials pyrolysed at 700 and 900 °C. The capacity fading was 1 % after 17th cycle for G/PSN at 900 °C. This value is higher of 185 mAh/g in comparison to capacity of gelatine pyrolysed at the same conditions.

Słowa kluczowe

PL

akumulatory litowo-jonowe; materiały ceramiczne; SICN; twardy węgiel; materiał anodowy

EN

Lithium-ion batteries; SICN ceramic materials; hard carbon; anode material

• Czasopismo: Advances in Materials Science
• Rocznik: 2014
• Tom: Vol. 14, nr 4(42)
• Strony: 75--81
• Opis fizyczny: Bibliogr. 14 poz., wykr.

Twórcy

autor

Nowak, A. P.

• Gdansk University of Technology, Chemical Faculty, Department of Chemistry and Technology of Functional Materials, Narutowicza 11/12, 80-233 Gdańsk, Poland,

autor

Trzciński, K.

• Gdansk University of Technology, Chemical Faculty, Department of Chemistry and Technology of Functional Materials, Narutowicza 11/12, 80-233 Gdańsk, Poland

autor

Lisowska-Oleksiak, A.

• Gdansk University of Technology, Chemical Faculty, Department of Chemistry and Technology of Functional Materials, Narutowicza 11/12, 80-233 Gdańsk, Poland

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Identyfikatory

DOI

10.2478/adms-2014-0023