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This data has achieved Bronze level on 23 October 2015 which means this data makes a great start at the basics of publishing open data.

Silicon Whisker and Carbon Nanofiber Composite Anode Project

Summary

Type of release
a one-off release of a single dataset

Data Licence
Not Applicable

Content Licence
Creative Commons CCZero

Verification
automatically awarded

Release Date
9 April 2015
Modified Date
8 July 2015
Publishers
National Aeronautics and Space Administration
Keywords
completed, glenn-research-center, project
Identifier
silicon-whisker-and-carbon-nanofiber-composite-anode-project-4d68c
Landing Page
http://techport.nasa.gov/view/8309
Maintainers
TECHPORT SUPPORT hq-techport@mail.nasa.gov
Language
en-US

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Description

Physical Sciences Inc. (PSI) proposes to develop a silicon whisker and carbon nanofiber composite anode for lithium ion batteries on a Phase I program. This anode provides high capacity, high power, and improved cycle life at a competitive cost. Silicon is low cost and has a theoretical capacity of 4200 mAh/g but it has a limited cycle life. The nanocomposite design provides a synergistic improvement in reversible capacity and electrochemical cycling as a result of the unique silicon architecture and structural reinforcement provided by the nanofibers. In the Phase I program, PSI will demonstrate a technology readiness level of 3 with an anode capacity of greater than 1000 mAh/g for over 100 cycles (100% depth-of-discharge) using 2 mAh cells. These performance goals will result in an overall battery energy density of greater than 300 Wh/kg. In the Phase II program, PSI will increase cell size to 2500 mAh and optimize cell design to further improve cycle life.

General Information

Legal Information

This dataset has been created by US Government which means it is required to be in the public domain. However US copyright law only allows open access by US citizens, we have assumed the data is equivalently licensed as CC0 for the rest of the world as this is in the spirit of the US Government’s Open Data policy.

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