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Just a quick update. The HEV (NiMH) Regeneration project has reached the Global Finals of climatelaunchpad.org slated for Oct 27,2022.
That lithium battery supplier lists everything as sold out......A bad sign. They clearly can't run a biz.
Hi guys. I just completed my simulations on a new safer grid charger. Why? Because an automotive service student near me lost an eye ) by having a...
Small refinement today: Having permitted the cavitation to be observable via the hydration ports, it create a bit of a clean up exercise post...
Concerning the sonification and cavitation. I am applying peak charge pulses in excess of 500A over milliseconds to average down to the few amps...
Yes 0.8V per 1.2V cell....my bad. The max current load at 4.8V is 300mA. I use a stepped algorithm down from the full 1C draw to 300mA at...
Update: I processed 4 blades on my prototype 'sonication/cavitation' charging /discharging gear. Pulse frequency of 1300Hz with battery reactive...
So far sealing with a 4-40 steel screw results in at least 1 leak per blade. Resolved with plumbers teflon threadseal on the screw. My first...
Update: The two spent blades I cycled through 3 charge/discharge exercises yesterday are ID#'s 184p3h03127p & 184p3h03126p. They're both about...
It's for everyone reading the thread. I train technicians and being clear is often of benefit.
The readouts are in mΩ. the blades are sub 10mΩ usually. So the blocks are double that. Ohm's law (V=I*R) determines the max. currents the cell...
Both venting gases/ water vapour and electrode corrosion consumes electrolyte which shortens cell life:...
Anyway..back on topic of Rehydration of the cells. I assessed the void above the plates in a 7.2V NiMH blade. It is about 15 mm depth between the...
Certainly..... Regarding the approach to put a lithium battery in as a new replacement assumes that lithium batteries have the lifetime of the...
As it happens I am also looking at designing a less costly set of gear to mimic the Prolong type of gear. While the grid charger and discharger...
Doing the grid charge exercise needs a lot of care for ppl not experienced in electrics. 1 mistake and u can be dead!.
Just swapping a few bad blocks is a crutch. It ain't a solution. Further, placing good blocks amidst other mediocre blocks also creates a new...
Why are 3 of the Blades highlighted in red during the 4th cycle?
Just heard the pressure vent on a blade I am processing make a loud 'pop' . No heat..31°C, Charge rate at 1.5A. V at 8.6V. Everything else normal,...
I have 3 of em...been using them for about 5 years.
