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+ - SPAM: Imara releases new lithium-ion battery for power t

Submitted by
NeilMaguire
NeilMaguire writes "After extensive research and development, we are very excited to announce that today our high-power cells are now available to customers in the power tool, outdoor
power equipment and transportation markets. Our patented technology breaks through conventional battery technology barriers. We deliver a unique combination of power, energy, cycle life and safety compared to todays commercially available high-power cells. So what does this mean?
- More holes drilled by a power tool
- More grass mowed by a lawn mower
- More miles driven by a vehicle (while reducing warranty costs for manufacturers and battery replacement costs for end-users)

For example, an hour of use of a typical 4-stroke gas-powered lawnmower replaced with Imara battery power eliminates the emissions equivalent to 11 SUVs driving on the highway for an hour. Replacing one two-stroke weed-whacker or leaf blower with Imara battery power is equivalent to taking 17 SUVs off the road.

Additionally, our larger format batteries are in the advanced stages of development and will be available in 2010. Stay tuned!
 "

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Comment: Re:Heat (Score 1) 238

by NeilMaguire (#22335100) Attached to: Li-Ion Batteries Hit Final R&D Phase for Plug-in Cars
All major players in the power tool industry now have Lithium Ion 18V and 36V options. The increased high power has enabled them to come out with cordless varieties of some tools for the first time.

As far as heat, the batteries will not explode if left in a car. Cobalt Oxide batteries go into thermal runaway at about 190C - well over the boiling point of water. Other chemistries such as Li-manganese cathodes go into thermal runaway at 250C. They all have issues at low temperatures and cannot take or release a full charge below 0C. However, it is relatively straightforward to use a trickle charge to slowly heat up the battery above 0C and then get full power - takes about 5 minutes extra at the most.

Sigmund Freud is alleged to have said that in the last analysis the entire field of psychology may reduce to biological electrochemistry.

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