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  • Cyclic enzyme system  (4)
  • organic electrolyte  (3)
  • 1
    Digitale Medien
    Digitale Medien
    Switching mechanism of a cyclic enzyme system: role as a ''chemical diode''
    Amsterdam : Elsevier
    Biosystems 21 (1987), S. 1-11 
    Details
    ISSN: 0303-2647
    Schlagwort(e): Biomolecular computer ; Computer simulations ; Cyclic enzyme system ; Rectifier circuit ; Switching circuit
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1016/0303-2647(87)90002-5
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  • 2
    Digitale Medien
    Digitale Medien
    Optimal control mode of a biochemical feedback system
    Amsterdam : Elsevier
    Biosystems 16 (1983), S. 315-321 
    Details
    ISSN: 0303-2647
    Schlagwort(e): Biochemical feedback system ; Computer simulation ; Cyclic enzyme system ; Homeostatic control
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1016/0303-2647(83)90014-X
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  • 3
    Digitale Medien
    Digitale Medien
    Network study of integrated biochemical switching system I: Connection of basic elements
    Amsterdam : Elsevier
    Biosystems 24 (1990), S. 39-52 
    Details
    ISSN: 0303-2647
    Schlagwort(e): Artificial neuron ; Computer simulation ; Cyclic enzyme system ; Mathematical model ; Switching device
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1016/0303-2647(90)90028-Y
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  • 4
    Digitale Medien
    Digitale Medien
    Biochemical switching device: how to turn on (off) the switch
    Amsterdam : Elsevier
    Biosystems 22 (1989), S. 155-162 
    Details
    ISSN: 0303-2647
    Schlagwort(e): Biocomputer ; Computer simulations ; Cyclic enzyme system ; McCulloch-Pitt's equation
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1016/0303-2647(89)90043-9
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  • 5
    Digitale Medien
    Digitale Medien
    Safety evaluation of rechargeable cells with lithium metal anodes and amorphous V2O5 cathodes (1997)
    Springer
    Journal of applied electrochemistry 28 (1997), S. 135-140 
    Details
    ISSN: 1572-8838
    Schlagwort(e): lithium metal anode ; rechargeable cell ; safety ; organic electrolyte ; vanadium oxide
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Elektrotechnik, Elektronik, Nachrichtentechnik
    Notizen: Abstract Rechargeable cells with lithium metal anodes have a very large theoretical energy density and are a promising cell system. However, rechargeable lithium metal cells are not yet currently commercially available. One of the biggest problems with the cells is the poor safety aspect resulting from the high chemical reactivity of lithium. We have been studying a cell system consisting of an amorphous (a-)V2O5P2O5 (95:5 in molar ratio) cathode, a lithium (Li) metal anode and an organic electrolyte in fabricating an AA-size prototype. In this paper, we report recent progress on our rechargeable lithium metal cell focusing on its safety.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1003270406759
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  • 6
    Digitale Medien
    Digitale Medien
    Ternary and quaternary mixed electrolytes for lithium cells (1999)
    Springer
    Journal of applied electrochemistry 29 (1999), S. 35-42 
    Details
    ISSN: 1572-8838
    Schlagwort(e): lithium ; rechargeable battery ; organic electrolyte ; ethylene carbonate ; propylene carbonate
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Elektrotechnik, Elektronik, Nachrichtentechnik
    Notizen: Abstract This paper reports the influence of composition of mixed solvent electrolyte composition on the discharge capacity and charge–discharge cycle life of lithium metal/amorphous V2O5–P2O5 (95:5 in molar ratio) cells. The solvents used were ethylene carbonate (EC), propylene carbonate (PC), 2-methyltetrahydrofuran (2MeTHF) and THF. LiAsF6 was used as the solute. The electrolyte solutions examined here contain ternary and quaternary mixed systems. The purpose of this work is to obtain an electrolyte solution which realizes a higher rate capability and/or a longer cycle life than the previously studied EC:PC:2MeTHF (15:70:15) ternary mixed system. Of the electrolyte systems examined here, the EC:PC:2MeTHF (30:40:30 in volume) ternary mixed solvent system showed the best cell performance. In addition, a heating test was carried out on an AA- size lithium cell with EC:PC:2MeTHF (30:40:30) as a fundamental abuse test to ensure cell safety.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1003450229137
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  • 7
    Digitale Medien
    Digitale Medien
    Cycling performance and safety of rechargeable lithium cells with binary and ternary mixed solvent electrolytes (1999)
    Springer
    Journal of applied electrochemistry 29 (1999), S. 789-796 
    Details
    ISSN: 1572-8838
    Schlagwort(e): 2-methyl-tetrahydrofuran ; cell safety ; ethylene carbonate ; lithium cell ; organic electrolyte ; propylene carbonate
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Elektrotechnik, Elektronik, Nachrichtentechnik
    Notizen: Abstract The influence of electrolyte composition on the cycling performance and safety of AA rechargeable cells with a lithium metal anode, and an amorphous (a-) V2O5-P2O5 cathode was examined. The cells were cycled at a discharge current of 1000 mA and a charging current of 200 mA. The electrolytes were composed of ethylene carbonate (EC)/2-methyltetrahydrofuran (2MeTHF) binary and EC/propylene carbonate (PC)/2MeTHF ternary mixed solvents containing 40–70 vol% 2MeTHF to provide higher conductivity. The solute was 1.5mol dm−3 LiAsF6. The cycle life of the AA cells was evaluated by setting the end of cycle life at the cycle number where the discharge capacity fell to 50% of its maximum value. Cells with EC/2MeTHF (50:50) exhibited the longest cycle life among all the electrolytes examined here. Cells with EC/PC/2MeTHF (15:45:40) had the longest cycle life among the ternary mixed solvents systems. Fundamental abuse tests were also carried out on AA cells, which were cycled twice (fresh cells), cycled 100 times and cycled until the end of their cycle life. Neither the fresh nor the cycled cells with EC/PC/2MeTHF (15:45:40 ) smoked nor ignited in a 150 °C heating test or in an external short circuit test. However, the fresh cell with EC/2MeTHF (50:50) ignited in the 150 °C heating test. Summarizing the cycling and the abuse test results, the EC/PC/2MeTHF (15:45:40) ternary mixed systems exhibited the best performance. However, in terms of practical use, cell safety still requires further improvement.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1003563501005
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