Effects of phosphorus content and operating temperature on the electrochemical performance of phosphorus-doped soft carbons
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서지정보
ㆍ발행기관 : 한국탄소학회
ㆍ수록지정보 : Carbon Letters / 15권 / 4호
ㆍ저자명 : Eun Hee Kim and Yongju Jung
ㆍ저자명 : Eun Hee Kim and Yongju Jung
목차
1. Introduction2. Experimental
3. Results and Discussion
4. Conclusions
Acknowledgments
References
한국어 초록
A series of high capacity soft carbons with different phosphorus contents were successfullyprepared by carbonizing petroleum cokes treated with hypophosphorous acid at 900°C. Theeffect of phosphorus content on the electrochemical performance of the soft carbons wasextensively investigated. The P-doped soft carbons exhibited greatly enhanced dischargecapacities and outstanding rate capabilities with increasing phosphorus content. In addition,the influence of temperature on the electrochemical behaviors of the soft carbons wasinvestigated in a wide temperature range of 25°C to 50°C. Surprisingly, the electrochemicalproperties of the pristine and P-doped soft carbons were highly sensitive to the operatingtemperature, unlike conventional graphite. The pristine and P-doped soft carbons exhibitedsignificantly high discharge capacities of 470 and 522 mAh/g, respectively, at a high temperatureof 50°C.영어 초록
A series of high capacity soft carbons with different phosphorus contents were successfullyprepared by carbonizing petroleum cokes treated with hypophosphorous acid at 900°C. The
effect of phosphorus content on the electrochemical performance of the soft carbons was
extensively investigated. The P-doped soft carbons exhibited greatly enhanced discharge
capacities and outstanding rate capabilities with increasing phosphorus content. In addition,
the influence of temperature on the electrochemical behaviors of the soft carbons was
investigated in a wide temperature range of 25°C to 50°C. Surprisingly, the electrochemical
properties of the pristine and P-doped soft carbons were highly sensitive to the operating
temperature, unlike conventional graphite. The pristine and P-doped soft carbons exhibited
significantly high discharge capacities of 470 and 522 mAh/g, respectively, at a high temperature
of 50°C.
참고 자료
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