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clare at snyder.on.ca clare at snyder.on.ca is offline
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Default Planned Obselescence....A Good Thing?

On 15 Jan 2007 19:53:30 -0800, "lsmartino"
wrote:


clare ha escrito:

No, there are different "lithium" chemistries, and the Energizer E2
Lithium is a native 1.7 or 1.8 volt cell. AA cells are roughly 3 ah
each, and loose less than 1% per year to self discharge.

Here's a bit of info on 1.5 volt nominal lithium chemistry. From
http://en.wikipedia.org/wiki/Lithium_battery

Li-CuO Copper oxide 1.5 V 2.4 V
Can operate up to 150 °C. Developed as a replacement of zinc-carbon
and alkaline batteries. "Voltage up" problem, high difference between
open-circuit and nominal voltage. Produced until mid-1990s, replaced
by lithium-iron sulfide. Current use limited.
Li-Cu4O(PO4)2 Copper oxyphosphate
See Li-CuO
Li-CuS Copper sulfide 1.5 V
Li-PbCuS Lead sulfide and copper sulfide 1.5 V 2.2 V
Li-FeS Iron sulfide Propylene carbonate, dioxolane, dimethoxyethane
1.5-1.2 V
"Lithium-iron", "Li/Fe". used as a replacement for alkaline batteries.
See lithium - iron disulfide.
Li-FeS2 Iron disulfide Propylene carbonate, dioxolane, dimethoxyethane
1.6-1.4 V 1.8 V
"Lithium-iron", "Li/Fe". Used in eg. Energizer lithium cells as a
replacement for alkaline zinc-manganese chemistry. Called
"voltage-compatible" lithiums. 2.5 times higher lifetime for high
current discharge regime than alkaline batteries, no advantage for
low-current applications. Low self-discharge, 10 years storage time.
FeS2 is cheap. Some types rechargeable. Cathode often designed as a
paste of iron sulfide powder mixed with powdered graphite. Variant is
Li-CuFeS2.
Li-Bi2Pb2O5 Lead bismuthate 1.5 V 1.8 V
Replacement of silver-oxide batteries, with higher energy density,
lower tendency to leak, and better performance at higher temperatures.
Li-Bi2O3 Bismuth trioxide 1.5 V 2.04 V

The E2 is Lithium Iron DiSulphide.

They have a self protection circuit built in - a self resetting
poly-fuse type apparatus callet a PTC (Positive Temperature
Co-efficient) This also makes it almost impossible to detonate the
battery by attempting to recharge it. The battery is limitted to 2
amps continuous, but can handle short duration higher peaks
significantly higher.
They CAN BE SHIPPED BY NORMAL METHODS INCLUDING MAIL.

A lithium cell WILL produce 3V regardless of it´s type. A rechargeable
lithium battery or a non rechargeable one will have the same voltage
output. That´s what the chemistry produces, and you can´t reduce that
voltage chemically, so they must have some built in electronic method
to reduce the voltage to the standard 1.5 V a AA cell should produce.


You need to learn to do your research before you make statements you
cannot support. You've proven yourself to be a blowhard.


I was mistaken and I admit it, but that doesn´t make me a "blowhard".
Show me in which part of my posts I presented myself as an specialist
in anything. Your post was accurate, but this part was completely
unnecessary.

Wasn't responding to you with that comment (at least knowingly).

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