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The Fine Print: The following comments are owned by whoever posted them. We are not responsible for them in any way.
byyuvcifjt ( 4161545 ) writes:
Seems really bad idea to use batteries in trains (and transportation with huge battery packs), not only due to extreme weather and cold spells which shorten battery life, but the constant daily charge/drain cycles multiple times a day will just kill the battery capacity more quickly.
Add to that, lithium batteries use what limited amount of lithium, manganese, cobalt, nickel, etc that we have available in the earth, and accelerating mining not only damages the earth, but uses a lot of clean finite water we h
byBarsteward ( 969998 ) writes:
So many myths. 1. It's an LFP battery so no cobalt, nickel. 2. LFP has more battery cycles than NMC. 3. There is no lack of lithium, they got cheaper recently because of over abundance 4. If you are worried about mining in Congo, please return any rechargeable devices like cell phones, laptops etc for recycling and return to using pen and paper
byyuvcifjt ( 4161545 ) writes:
False - these trains don't use low energy density LFP batteries like buses, or some EVs. It still uses the tried an tested NMC modules. However, I'm aware of more recent battery-operated train projects using LFP.
To change these older GWR trains (originally vivarail) [hoppecke.com] to LFP would not only add considerable weight, due to many more cells, but the entire electronics and cooling systems needs to be changed, and not to mention, LFP performs worse than NMC in cold weather, and takes longer to charge.
It turns out t
byshilly ( 142940 ) writes:
My god, you really didn't read the very article you posted, did you? Once again:
"Undoubtedly, fast charge is an exciting innovation. Capability is up to 2000kW. This compact system is powered by three of our 70kWh lithium-ion phosphate battery rafts. Each has the capacity to store 84kWh. Accordingly, 504kWh is available for use by the train’s four AC traction motors. The system incorporates two battery racks on each driving vehicle. Only two vehicles are in use at any time. The third is a spare"
LFP, not NMC.
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