rizky_p
Flashlight Enthusiast
Anyone have more info on this especially what voltage each cell? Max Discharge, max charge current?
http://www.zpowerbattery.com/
http://www.zpowerbattery.com/
Last edited:
Silver-Zinc battery?
- Thread starter rizky_p
- Start date
Help Support Candle Power Flashlight Forum
jerry i h
Enlightened
Good catch. If you click on the press release link in the right hand column, you get this:
http://www.cotsjournalonline.com/home/article.php?id=100804
The technical specs are the bottom of the first page (along with the charge/dishcharge curves):
5.8Ah
1.5 v
CV 2.0v
CC 1.2A
discharge cutoff 1.2 v.
charge time: 4 hours
It looks like a white paper written by someone from the company.
Of interest is over-charge and -discharge tests at the end of the secondpage. OK, it does not
under extreme conditions. But what if we abuse it in our torches and chargers in usual fashion, what effect does that have on the cell?
I wonder if this is just the old rechargeable alkaline again (Renewal by ROV, or something like that). The volts are exactly 1.5 and they talk about an old technology that has been around since the Apollo program, plus the talk about the zinc electrode.
Then my questions:
1) self discharge rate?
2) how many recharge cycles before it poops out?
OTOH, maybe they have improved it. That would be worth checking out.
http://www.cotsjournalonline.com/home/article.php?id=100804
The technical specs are the bottom of the first page (along with the charge/dishcharge curves):
5.8Ah
1.5 v
CV 2.0v
CC 1.2A
discharge cutoff 1.2 v.
charge time: 4 hours
It looks like a white paper written by someone from the company.
Of interest is over-charge and -discharge tests at the end of the secondpage. OK, it does not
under extreme conditions. But what if we abuse it in our torches and chargers in usual fashion, what effect does that have on the cell? I wonder if this is just the old rechargeable alkaline again (Renewal by ROV, or something like that). The volts are exactly 1.5 and they talk about an old technology that has been around since the Apollo program, plus the talk about the zinc electrode.
Then my questions:
1) self discharge rate?
2) how many recharge cycles before it poops out?
OTOH, maybe they have improved it. That would be worth checking out.
These are different than the ROV Renewal cells. Those used (mainly) manganese dioxide as the cathode active material. These cells use silver oxide. The separator in these cells is quite a bit more advanced than was used in the Renewal cells as well, which helps to increase the number of charge-discharge cycles.
As far as safety is concerned, silver-zinc cells are as safe as normal alkaline cells, because that is basically what they are, albeit with a different cathode.
As far as safety is concerned, silver-zinc cells are as safe as normal alkaline cells, because that is basically what they are, albeit with a different cathode.
drmaxx
Enlightened
Do you have any more information on the number of charge-discharge cycles that can be expected from these new cells. To my understanding, this very issue was so far the main reason why this battery technology was never applied in mass production.
Unfortunately I don't have any data on charge-discharge cycles, but I'll ask a friend at the company and see if he can get me some more info.
jerry i h
Enlightened
:huh: WOW! You have an inside connection? OK here are more Q's:
1) where can we buy them??
2) I am assuming that they need a proprietary charger, and that commercially available NiMH chargers won't work???
1) where can we buy them??
2) I am assuming that they need a proprietary charger, and that commercially available NiMH chargers won't work???
rizky_p
Flashlight Enthusiast
:thumbsup:
if we had an inside connection, then it would be a good idea to send it to some of the battery gurus here to test it out
along with the charger of course :thumbsup:
if we had an inside connection, then it would be a good idea to send it to some of the battery gurus here to test it out
along with the charger of course :thumbsup:
