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Topic: Silicone Batteries (Read 2286 times) previous topic - next topic

Silicone Batteries

The batteries came in last week and I just got them into day. The batteries on there web site were 240 mm long and actually were
298 mm long (I let them know so they can fix it). I had to take off one of the hinge arms for the door and modify it to make room.
I took  out the old battery brackets and the drain valves for the Aqua Hot so I could lower the batteries with just a sheet of plywood
under them. I didn't like where the valves were as they might freeze in really cold weather. I will replace them where there is heat.
Tomorrow I will finish making up the cables and hook them up. I am taking pictures which I will  post. 

Re: Silicone Batteries

Reply #1 –
Are they silicon gel batteries, silicon AGM batteries, or silicon lithium batteries?  I look forward to your pictures and a link to your source.

Re: Silicone Batteries

Reply #2 –
As Jack says, inquiring minds want to know.  Looking forward to more info and pictures. 

Re: Silicone Batteries

Reply #4 –
siliconebatteries.ca  Type in this and you should get it. I don't know how to put up a link, my computer skills are lacking.

Re: Silicone Batteries

Reply #6 –
Wonder how the prices compare to Lithium and Gel batts?  With Lithiums still in the $900 range, buying 6 to give one 600 amps is a pricey decision!

Re: Silicone Batteries

Reply #7 –
I see dr Goodenough is on their  board.  I mentioned this a while ago.  He won the Nobel chemistry prize in 2019 and invented li-ion batteries 38 years ago.

Any idea on pricing?

Re: Silicone Batteries

Reply #8 –
Quote from: juicesqueezer –
Wonder how the prices compare to Lithium and Gel batts?  With Lithiums still in the $900 range, buying 6 to give one 600 amps is a pricey decision!
The prices are coming down now. Here is an example from Amazon Amazon.com: ExpertPower 12V 100Ah Lithium LiFePO4 Deep Cycle Rechargeable.... I have seen some 100ah advertised on Craigslist in the $500 range and even DIY kits that look as good as anything on the market now.

Here is the article on the team of Goodenough and Braga. The batteries sound as if they will be much less expensive and have much faster charging capabilities making them perfect for electric cars. Lithium-Ion Battery Inventor Introduces New Technology for Fast-Charging,...

Pierce
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Re: Silicone Batteries

Reply #10 –
Only interested in the silicone ones personally.  -20C to 70C.  6 times faster recharge.  Non flammable.  I passed 7 years ago on li-ion.  This is the fix.  Where and how much?

Re: Silicone Batteries

Reply #11 –
Bob that's why I went with them because of the cold. If I ever have trouble starting the engine in the cold I could use heavier cables and put in a high boost solenoid. I was talking with the person I got the batteries from yesterday and told him they should make 8 D
size batteries as that is probably the most common size battery made at least in North America and then it my start battery went
I could use it. I finished putting in the cables today and secured the batteries, could be over kill but the won't move. Now time will
tell how they work.

Re: Silicone Batteries

Reply #12 –
The blue seas auto combiner has a manual/auto/off  switch that was an easy install where the boost switch was. 1400 amp for 30 seconds
My li-ion Shorai dirt bike batteries require pre warming up by turning on the headlight for a minute or more before trying to start my engines in cold weather. 

The silicone li-ions should eliminate that scenario hopefully. 

I have one undersized Shorai li-ion I have been torturing on my bike bench for 5 years?  or more that I use to bench turn over completed oiled engines to prime the engines and verify no bad noises.

The dedicated BMS/charger says I have over discharged the little battery.  Blinking lights. Sometimes it takes twice but it has recharged this poor battery a hundred times.  Little engine that could stuff

Re: Silicone Batteries

Reply #13 –
Ok, one more time.  LiFePO4 is NOT flammable.  The electrolyte WILL NOT burn.  It will smoke and stink but will not burn.
When I built my 1000 amphour system out of 4 Winston cells one of them came in leaking.  My supplier replaced it with no problem but I collected some in a cup.  I tried to ignite it with a butane torch and it just smoked.  No flash, no flame.
The MSDS says in case of a spill to flood the electrolyte with water.  That alone says that the Lithium in the electrolyte is not reactive as is pure Lithium.
But please post more info and results on your silicone cells.  I'm curious.  Are these LiFePO4 with silicone added?

Re: Silicone Batteries

Reply #14 –
Quote from: folivier –
But please post more info and results on your silicone cells.  I'm curious.  Are these LiFePO4 with silicone added?

Any chance all of you can drop the "e" from silicon?  This battery technology uses a lithium cathode and a silicon anode.

Re: Silicone Batteries

Reply #15 –
Quote from: kenhat –
If you can wait for shipped from China here are 200ah for the same price.

Amazon.com: Lifepo4 100ah 200ah 300ah 400ah 12V Lithium ion Battery for...

see ya
ken

.Do not throw battery into water or make it wet 2.Keep the battery away from heat source 3.Do not throw the battery into fire or heat the battery 4.Forbid to hammer to trample the battery 5.Forbid disassembling the battery in anyway

Got to love the Chinese to English translation. No trample battery. I'm about you but something about a metal battery case puts me off. Also the funny thing about those batteries if you look at the weight of the 100 amp hour versus the 200 amp power battery it's not that much of a difference not sure how they do that.
Don't think I'll be replacing my victron 300 amp hour batteries anytime soon though. While some newer Lifepo4 batteries have newer tech with built in BMS, mine are fine.
Not sure why anybody would turn their nose up to this technology other than the fact that it's expensive in the short run. Coaches, sailboats, airplanes, or vehicles of any kind, it's the perfect application for these types of batteries.
Seems like these are just a evolution of Lifepo4 battery technology. Looks interesting.
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Re: Silicone Batteries

Reply #16 –
Silicon article from "Wired", February 2020.

Welcome to the Era of Supercharged Lithium-Silicon Batteries | WIRED

However, nothing is easy, thus the gradual progression to Lifepo4 to solve the safety and transportation issues with lithium, and now we have silicon. Looks like silicon will be the next wave, or not.  It is more brittle.  Will it work in batteries subjected to vibration or is it just for stationery use?  The science and time will decide.

https://youtu.be/MgIDtqIyB9Q

Re: Silicone Batteries

Reply #17 –
The technology actually looks really promising. It's just another type of lithium battery really with some tweaks that make it much more efficient. But I'm not sure that the fast charging is very useful in our application. it would be very difficult to throw enough amps into it if not impossible with current charging capabilities. As far as the cold and charging goes that is very simple to correct. In my case my batteries are in the coach itself nice and warm in the winter and with the air conditioning vent blowing on them in the summer. So not an issue. Battleborn has heat pads that you can use for their batteries and I'm sure for others as well. As with all new technology early adopters beware. Sometimes it's better to let the market iron out the kinks before putting your hard-earned cash down. What time will tell and we're all anxious to see your pictures and your performance data.

Re: Silicone Batteries

Reply #18 –
For those who are interested in technology and li-ion batteries watch the Munro tear down of a Tesla model Y on U tube.

The Tesla and all the other car makers he has torn down have cooling and in Tesla's case heating of the banks built in to each row of their banks.  The Tesla has 4400+ cells.

Elon is within days from his "battery day"

His latest battery patent has a strip across the rolled up battery end instead of the beginning and end tabs.

Calls it his million mile battery.  Currently the Tesla battery 2170 cells are the only ones that are NMA with nickel magnesium and aluminum.  At least that's what I remember.

Do look at Munro's tear down.  Makes the rest of the car biz look somewhat bad.

Their  octovalve HVAC/battery system is aerospace grade. As is the self driving aspect.  Car will be capable of parking itself and be self driving.  It already reads stop lights and signs. 

Tesla has patented a giant mold machine to cast the entire body in aluminum in one piece. 

The early model S's seem to have the self driving parts in them.  Software was the holdup.

My 12 year old Lexus LS can have auto park and lane keeping and adaptive cruise control and be a hybrid with all wheel drive and a continuously variable trans
 

Re: Silicone Batteries

Reply #19 –
Yeah Tesla is US engineering at its finest. It's only a matter of time before China Japan Korea etc copies it. My brother just bought or is buying a Tesla truck. He's had stock in the company now for quite some time and think he's using some of that windfall to purchase it. He's also got a Tesla car that self drives itself or so he says. Don't think I'll ever own one since I'm now retired but if I was still working for the next 6 years or so I might think about getting one. It's pretty fine engineering.