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Alternative Energy

Energy Efficiency of Battery Systems with Forced Convection Between Electrodes

Oct 17, 2011
Sun Ung Kim
The energy efficiency of an alkaline battery system with forced convective flow between the electrodes has been investigated. Rechargeable alkaline batteries, which depend on the reaction between zinc and manganese dioxide (Zn/MnO 2 ), have been widely used because of their excellent properties...

Investigation of CuO-Based Oxygen Carriers As CLOU Materials for Solid Fuels

Oct 17, 2011
Mehdi Arjmand
Chemical-looping combustion (CLC) is a promising combustion technique with efficient CO 2 -capture at low cost due to inherent gas separation. In a CLC process, a metal oxide is circulated between two reactors, wherein they undergo changes from an oxidized form in the air reactor to a reduced one...

Gas Evolution In a Flow-Assisted Zinc-Nickel Oxide Battery

Oct 17, 2011
Yasumasa Ito
Zinc-based rechargeable batteries are one of the most attractive electrical energy storage systems due to its advantages such as low cost and green. On the other hand, short cycle life due to internal short circuit is the most critical disadvantage. We have carried out experiments in flow-assisted...

Secondary Manganese Dioxide Electrodes for Grid-Scale Batteries

Oct 16, 2011
Joshua Gallaway
Secondary Manganese Dioxide Electrodes for Grid-Scale Batteries Joshua W. Gallaway, Nilesh Ingale, Michael Nyce, Yasumasa Ito, Lev Sviridov, Abhinav Gaikwad, Steven Lever, Ali Firouzi, Sanjoy Banerjee, Daniel A. Steingart CUNY Energy Institute, The City College of New York 160 Convent Ave, New York...

Fermentation of Carbon Dioxide to Ethanol

Oct 16, 2011
Chang Chen
Many fermentation processes have been used to convert biomass to various fuels. Syngas, which is a mixture of CO, CO 2 , and H 2 , is one process being studied for the production of ethanol. Per mole of ethanol produced, 12 electrons are consumed. H 2 and CO are the electron sources in syngas...

Investigating Fundamental Electrochemical Processes In a Li-O2 Battery

Oct 16, 2011
Bryan McCloskey
Li-air batteries have received significant attention as a potential high specific energy alternative to current state-of-the-art rechargeable Li-ion batteries. Nevertheless, published Li-air embodiments have only achieved a small fraction of their enormous theoretical specific energy (11,700 Wh/kg...

Rule of Thumb for Reactor Design and Process Condition for Biodiesel Production

Oct 16, 2011
Masato Kouzu
The rule of thumb for reactor design and process condition for biodiesel production is introduced. The important aspect includes type of feedstock oil, catalyst selection, methanol/oil ratio, quality of the produced biodiesel. When low quality plant oil is used as the feedstock, its pre-treatment...

Achieving "Superior Energy Performance"

South Texas Section Webinar
Apr 7, 2011
Michael Gromacki

This Webinar, sponsored by South Texas Section of the AIChE, Texas Industries of the Future and AIChE Center for Energy Initiatives, was presented at the 15th Texas Industrial Energy Management Forum.

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