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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2008.12
- 수록면
- 529 - 536 (8page)
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초록· 키워드
Cyanobacteria Synechocystis PCC 6803 or the extracted thylakoid membrane from this strain was applied to photosynthetic bio-electrochemical fuel cell(PBEFC) for the production of hydrogen under the illumination of 48Klux using halogen lamp. PBEFC was composed of anode, cathode and membrane between them. Electrode material was carbon paper while electron mediator and receptor were added phenazine methosulfate(PMS) and potassium ferricyanide respectively. When water and 50 mM tricine buffer and 300 μM PMS were added to the anode under the light condition, PBEFC produced the current density 4.4×10⁻⁵ mA/cm², 1.4×10⁻⁴ mA/cm² and 2.4×10⁻⁴ mA/cm², respectively. And the addition of the thylakoid membrane to the system increased current density to 1.3×10⁻³ mA/cm². Two times increase of the thylakoid membrane into the anode doubled the current density to 2.6×10⁻³ mA/cm². But the current density was not increased proportionally to the amount of thylakoid membrane increased. The system was unstable to measure the electricity output due to the foam production in the anode. Addition of triton X-100 and tween 80 stabilized the system to measure the electricity output but the current density was not increased higher than 8.4×10⁻⁴ mA/cm² and 2.3×10⁻³ mA/cm². When the thylakoid membrane was substituted to Synechocystis PCC 6803 cells of four-day culture which has chlorophyll contents 20.5 μg /ml, maximum current density was 1.3×10⁻³ mA/cm² with 1 kΩ resistance.
#광합성 세균
#광합성미생물연료전지
#남조류
#전기
#틸라코이드 막
#Cyanobacteria
#Electricity
#Photosynthetic bio-electrochemical fuel cell
#Synechocystis PCC 6803
#Thylakoid membrane
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