Nitrogen and phosphorous co‑doped carbon nanotubes for high‑performance supercapacitors
* 본 문서는 배포용으로 복사 및 편집이 불가합니다.
서지정보
ㆍ발행기관 : 한국탄소학회
ㆍ수록지정보 : Carbon letters / 33권 / 6호
ㆍ저자명 : Johnsirani Devarajan, Pandurangan Arumugam
ㆍ저자명 : Johnsirani Devarajan, Pandurangan Arumugam
목차
Nitrogen and phosphorous co-doped carbon nanotubes for high-performance supercapacitorsAbstract
Graphical abstract
1 Introduction
2 Material and methods
2.1 Chemicals
2.2 Synthesis of SBA-15 and FeSBA-15
2.3 Synthesis and purification of carbon nanotubes
2.4 Electrochemical measurements
2.5 Device fabrication
2.6 Characterisation techniques
3 Results and discussion
3.1 Physicochemical characterizations
3.1.1 Characterization of catalyst
3.1.2 Characterization of CNTs
3.2 Electrochemical studies
3.3 Symmetric device
4 Conclusions
Anchor 19
Acknowledgements
References
영어 초록
Nitrogen and phosphorous dual-doped carbon nanotubes (N,P/CNT) have been grown in a single-step direct synthesis process by CVD method using iron-loaded mesoporous SBA-15 support, as an electrode material for the energy storage device. For comparison, pristine nanotubes, nitrogen and phosphorous individually doped nanotubes were also prepared. The basic characterization studies clarify the formation of nanotubes and the elemental mapping tells about the presence of the dopant. Under three-electrode investigations, N,P/CNT produced a maximum specific capacitance of about 358.2 F/g at 0.5 A/g current density. The electrochemical performance of N,P/CNT was further extended by fabricating as a symmetric supercapacitor device, which delivers 108.6 F/g of specific capacitance for 0.5 A/g with 15 Wh/kg energy density and 250 W/kg power density. The observed energy efficiency of the device was 92.3%. The capacitance retention and coulombic efficiency were 96.2% and 90.6%, respectively, calculated over 5000 charge–discharge cycles.참고 자료
없음"Carbon letters"의 다른 논문
- Arginine‑polyaniline@g‑C3N4 for outstanding retention o..12페이지
- Chitosan dendron‑cultivated magnetic graphene oxide as ..20페이지
- Modified screen‑printed electrochemical biosensor desig..11페이지
- Synthesis and characterization of iron‑doped carbon nan..16페이지
- Soft‑template‑assisted synthesis of N‑doping layered Co..8페이지
- A novel and reusable sensing platform for electrochemic..11페이지
- Sodium‑lignosulfonate derived activated carbon: an inve..8페이지
- A graphene‑based highly sensitive aptasensor for the de..7페이지
- Mechanism of activated carbon‑catalyzed methane decompo..11페이지
- Comparative analysis of Aurantii Fructus Immaturus and ..7페이지