8 results found for batteries

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00:35:00

A Random Walk in Science

by Steven Chu
A Random Walk in Science
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1886 views
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I will discuss my random walk in science, from my graduate student on postdoctoral years testing the Weinberg-Salam-Glashow theory of electro-weak forces, and then to energy transfer in condensed matter systems, the spectroscopy of positronium, laser....

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00:09:00

Electrochemical Basis of Fuel Cells

by Alfonso Felipe
Electrochemical Basis of Fuel Cells
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1237 views
Rating:

Know the basics of electrochemical fuel cells and batteries

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00:11:00

Proton Exchange Membrane Fuel Cells

by Alfonso Felipe
Proton Exchange Membrane Fuel Cells
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1268 views
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Basic characteristics of the batteries based on proton exchange membrane

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00:30:00

Photosynthesis, Biomass, Biofuels: Conversion Efficiencies and Consequences

by Hartmut Michel
Photosynthesis, Biomass, Biofuels: Conversion Efficiencies and Consequences
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1304 views
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It is generally accepted that the global warming, which we undoubtedly observe, is the result of an increased concentration of greenhouse gases like carbon dioxide and methane in the atmosphere.  Within this scenario it is evident that we have to re....

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01:00:00

Recharging the Planet

by Clare Grey
Recharging the Planet
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1352 views
Rating:

Energy storage technologies such as fuel cells, batteries, electrolysis and super capacitors will need to be improved to enable better use of intermittent renewable electricity sources and the development of sustainable transport in the future.

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00:52:00

Watts New with Clean Energy? Batteries Included

by Saiful Islam
Watts New with Clean Energy? Batteries Included
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1524 views
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This talk shows how scientists use structural and modelling techniques to help understand the fascinating properties of crystalline materials.

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01:03:00

Following function in real time

by Clare Grey
Following function in real time
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1881 views
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Kavli Medal Lecture by Professor Clare Grey FRS.  The development of light, long-lasting rechargeable batteries has been an integral part of the portable electronics revolution.  This revolution has transformed the way in which we communicate and t....

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00:07:00

Potato Battery

by Jonathan Hare
Potato Battery
for 11-14 and upwards,
Lectures | 11-14 and upwards | 15 years ago | 2743 views
Rating:

When two different types of conductors are pushed into a potato chemical reactions take place charging them up - we have a simple electrochemical cell. A potato, zinc screw and carbon rod produce about 1V. We experiment joining a few of these cells u....

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