1 / 7

MATERIALS FOR CLEAN ENERGY TECHNOLOGIES ARUMUGAM MANTHIRAM Electrochemical Energy Laboratory

MATERIALS FOR CLEAN ENERGY TECHNOLOGIES ARUMUGAM MANTHIRAM Electrochemical Energy Laboratory www.me.utexas.edu/~manthiram E-mail: rmanth@mail.utexas.edu. Fuel Cell. Battery. Supercapacitor. Storage Device Portable, transportation, & stationary. Storage Device Portable & transportation.

denzel
Download Presentation

MATERIALS FOR CLEAN ENERGY TECHNOLOGIES ARUMUGAM MANTHIRAM Electrochemical Energy Laboratory

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. MATERIALS FOR CLEAN ENERGY TECHNOLOGIES ARUMUGAM MANTHIRAM Electrochemical Energy Laboratory www.me.utexas.edu/~manthiram E-mail: rmanth@mail.utexas.edu

  2. Fuel Cell Battery Supercapacitor Storage Device Portable, transportation, & stationary Storage Device Portable & transportation e- Conversion Device Portable, transportation, & stationary e- Load e- e- Electrode Electrode H2 Air H+ conductor 2e- 2e- Anode Cathode + Charge 1/2O2 o o Heat H2 2H+ Li+ H2O Discharge + + + + + + - - - - - - - - - - - - + + + + + + H2O Anode Cathode Li+ Electrolyte Electrolyte Electrolyte ELECTROCHEMICAL ENERGY TECHNOLOGIES • Alternative Energy Technologies • Solar, wind, nuclear, hydro, geothermal, fuel cells, batteries, supercapacitors • Fuel cells, batteries, supercapacitors: Only viable option for automobiles (~ 30%) • Batteries: Critical for storing and efficiently utilizing solar and wind energies • Chemical energy directly into electrical energy – clean energy technologies • Challenges: high cost, safety, durability, & operability problems

  3. CURRENT RESEARCH ACTIVITIES • Lithium Ion Batteries • - Low cost, high energy, high power materials (portable, vehicle, stationary) • Proton Exchange Membrane and Direct Methanol Fuel Cells • - Low cost membranes and nanostructured alloy catalysts • Solid Oxide Fuel Cells • - Low thermal expansion, high efficiency electrode materials • Supercapacitors • - Low cost, high energy electrode materials • Solar Cells • - Efficient, low-cost, air-stable polymer solar cells • Common Theme:Design,novelchemical synthesis, advanced • characterization, prototype device fabrication, fundamental understanding • of structure-property-performance relationships • -Nanomaterials: metal alloys, oxides, carbon, and nanocomposites

  4. HIGH ENERGY CATHODES FOR LITHIUM ION BATTERIES LiMn2O4 LiMn1.8Li0.1Ni0.1O3.8F0.2 LiMn1.8Li0.1Ni0.1O4 Li[Li0.2Mn0.54Co0.13Ni0.13]O2 / Nano Al2O3 Li[Li0.2Mn0.54Co0.13Ni0.13]O2 LiCoO2

  5. NANO-ENGINEERED ANODES FOR LITHIUM ION BATTERIES Fe3O4/C nanowire Sb-MOx-C (M = Al, Ti, Mo) nanocomposite anodes Fe3O4nanowire Carbon anode Tin anode

  6. LOW-COST CATALYSTS & MEMBRANES FOR FUEL CELLS Low methanol permeable membranes Low-cost Pd alloy catalysts Low-TEC SOFC catalysts Basic polymer (PSf-ABIm) Acidic polymer (SPEEK) Acid-base blend • Narrow channel, low methanol crossover • Vehicle + hopping conduction mechanisms • Low cost, compatible industrial polymers Nafion

  7. Variation of (a) Voc (b) Jsc (c) FF, and (d) efficiency during continuous illumination in argon Illuminated J-V characteristics of P3HT-PCBM blend solar cells HYBRID ORGANIC-INORGANIC SOLAR CELLS Interfacial prototype TiO2-P3HT hybrid solar cell B. Reeja-Jayan and A. Manthiram, Solar Energy Materials and Solar Cells94, 907 (2010) • Significantly reduces the solar cell cost • Cu electrodes enhance the durability in air

More Related