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... perations and Reports, 1215 Jefferson Davis Highway, Suite 1204, Arlington VA 22202-4302. Respondents should be aware that notwithstanding any other provision of law, no person shall be subject to a penalty for failing to comply with a collection of information if it does not display a currently valid OMB control number. Dilithium phthalocyanine (Li2Pc) possesses mixed electronic-ionic conductivity due to overlap of - orbitals (electronic) and mobility of Li+ ion (ionic) in a channel formed due to stacking of the macromolecules. Electrochemical impedance measurements provide separation of electronic and ionic conductivities. The temperature dependence studies are employed for calculation of activation energies. The electronic conductivity shows a marked increase on applying DC bias voltage across a symmetrical cell of Li2Pc with blocking electrodes, whereas the ionic conductivity is marginally influenced. SUBJECT TERMS Batteries, Electrochemistry, Propulsion 16. SECURITY CLASSIFICATION OF: 17. LIMITATION OF ABSTRACT 18. NUMBER OF PAGES 77 19a. NAME OF RESPONSIBLE PERSON a. REPORT unclassified b. ABSTRACT unclassified c. THIS PAGE unclassified Standard Form 298 (Rev. 8-98) Prescribed by ANSI Std Z39-18 CONTENTS 1. Analysis of electrochemical impedance of dilithium phthalocyanine 3 2. Electrodeposition of adherent films of lithium phthalocyanine on 16 platinum and stainless steel substrates by oxidation of dilithium phthalocyanine 3. Studies on composite of dilithium phthalocyanine and iodine 40 4. Thin film of dilithium phthalocyanine impregnated Celgrad membrane 47 5. Impedance of dilithium phthalocyanine in contact with different metallic 50 substrates 6. Capacitor studies of dilithium phthalocyanine and lithium 56 Phthalocyanine 7. Dilithium phthalocyanine as a cathode material 63 8. List of publications 76 9. Acknowledgements 77 3 1. Analysis of electrochemical impedance of dilithium phthalocyanine Abstract Dilithium phthalocyanine (Li 2 Pc) possesses mixed electronic-ionic conductivity due to overlap of π-π orbitals (electronic) and mobility of Li + ion (ionic) in a channel formed due to stacking of the macromolecules. Electrochemical impedance measurements provide separation of electronic and ionic conductivities. The temperature dependence studies are employed for calculation of activation energies. The electronic conductivity shows a marked increase on applying DC bias voltage across a symmetrical cell of Li 2 Pc with blocking electrodes, whereas the ionic conductivity is marginally influenced.