With just about everything now manufactured in developing countries with inexpensive labour, I wonder if quality control of these batteries could be a contributing factor towards acute thermal failure. As I understand it, of this battery chemistry is charged/discharged correctly, there shouldn't be a problem, but how do they wear out? _____________________________________________________________________________________
Ralph McDiarmid | Schneider Electric | Renewable Energies Business | CANADA | Regulatory Compliance Engineering From: "jral...@productsafetyinc.com" <jral...@productsafetyinc.com> To: EMC-PSTC@LISTSERV.IEEE.ORG Date: 01/12/2012 07:24 AM Subject: Re: [PSES] Thermal Protection of Lithium Ion Batteries Forgot to ask – I believe current Standards require thermal protection, but are they enough? John Allen President Product Safety Consulting, Inc. 605 Country Club Drive, Suites I & J Bensenville, IL 60106 P - 630 238-0188 / F - 630 238-0269 1-877-804-3066 jral...@productsafetyinc.com http://www.productsafetyinc.com Although PSC maintains the highest level of virus protection, this e-mail and any attachments should be scanned by your virus protection software. It is the responsibility of the recipient to check that it is virus free. PSC does not accept any responsibility for data loss or systems damage arising in any way from its use. This message is confidential and intended only for the individual to whom or entity to which it is addressed. If you are not the intended recipient or addressee, or an employee or agent responsible for delivering this message to the addressee, you are hereby notified that any dissemination, distribution, or copying, in whole or part, of this message is strictly prohibited. If you believe that you have been sent this message in error, please do not read it. Please immediately reply to sender that you have received this message in error. Then permanently delete all copies of the message. Thank you. From: jral...@productsafetyinc.com [mailto:jral...@productsafetyinc.com] Sent: Thursday, January 12, 2012 9:18 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] Thermal Protection of Lithium Ion Batteries Interesting article and findings by John Hopkins University… http://gazette.jhu.edu/2012/01/09/discovery-warns-of-catastrophic-failure-of-lithium-ion-batteries/ John Allen Product Safety Consulting, Inc. 605 Country Club Drive, Suites I & J Bensenville, IL 60106 P - 630 238-0188 / F - 630 238-0269 1-877-804-3066 jral...@productsafetyinc.com http://www.productsafetyinc.com IEEE PSES - http://ewh.ieee.org/soc/pses/ IEEE PSES Chicago - http://ewh.ieee.org/r4/chicago/pstc/ IEEE PSES Risk Assessment Technical Committee - http://ewh.ieee.org/soc/pses/TAC/RATC/index.html Although PSC maintains the highest level of virus protection, this e-mail and any attachments should be scanned by your virus protection software. It is the responsibility of the recipient to check that it is virus free. 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To post a message to the list, send your e-mail to < emc-p...@ieee.org> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <emcp...@radiusnorth.net> Mike Cantwell <mcantw...@ieee.org> For policy questions, send mail to: Jim Bacher <j.bac...@ieee.org> David Heald <dhe...@gmail.com> ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. ______________________________________________________________________ - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. 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To post a message to the list, send your e-mail to <emc-p...@ieee.org> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <emcp...@radiusnorth.net> Mike Cantwell <mcantw...@ieee.org> For policy questions, send mail to: Jim Bacher: <j.bac...@ieee.org> David Heald: <dhe...@gmail.com>
