https://www.teslarati.com/tesla-model-3-lfp-battery-explains-elon-musk/amp/
Tesla is giving Model 3 Standard Range Plus reservation holders the opportun
ity to get their vehicles sooner. For early delivery, Tesla owners can opt t
o receive a Model 3 SR+ equipped with a lithium-iron-phosphate (LFP) battery
pack instead.
As of this writing, January is the estimated delivery date of the Tesla Mode
l 3 SR+ in North America. However, base Tesla Model 3 reservation holders co
uld receive their vehicle as early as September if they opt to take delivery
of a Model 3 SR+ with a battery pack similar to those produced in Gigafacto
ry Shanghai.
The one difference between the base Model 3 made in Tesla’s Fremont Factory
and Tesla China’s Model 3 would be their battery packs. Fremont’s Model 3
SR+ is equipped with Tesla’s nickel-based battery cells, while Tesla China
’s Model 3 uses an LFP pack
The battery packs have slightly different range estimates, which reservation
holders may want to consider before taking Tesla up on its offer. The US-ma
de Model 3 SR+ has an EPA-estimated range of 263 miles per charge, while the
MIC Model 3 with an LFP battery has an estimated range of 253 miles per cha
rge.
Elon Musk elaborated on Tesla’s decision to start offering base Model 3s eq
uipped with LFP batteries.
“Our intent with this pack is that product experience is roughly equivalent
between nickel & iron,” he said. “I’d personally slightly opt for iron p
ack, as it wants to be charged to 100% whereas nickel prefers ~90%,” Musk w
rote.
The slight charging differences Musk mentioned between the packs may make up
for the differing range estimates between the Model 3’s nickel-based batte
ry packs and those using iron-based cells.
There is a 10-mile range difference between the two battery packs, but the f
act that the LFP cells are best charged to 100% means that owners could freq
uently get their vehicles’ maximum range. In comparison, Tesla notes that v
ehicles with nickel-based batteries are best charged to about 80%.
During the last earnings call, Musk also suggested a preference for iron-bas
ed lithium-ion cells over those with a nickel base.
“I think probably there is a long-term shift more in the direction of iron-
based lithium-ion cells rather over nickel,” Musk noted.
“I think probably we’ll see a shift — my guess is probably to two-thirds
iron, one-third nickel, or something on that order. And this is actually goo
d because there’s plenty of iron in the world. There’s an insane amount of
iron. But nickel, there’s much less nickel, and there’s way less cobalt,”
he said.
As more automakers transition to manufacturing electric vehicles, the demand
for raw materials to make battery cells to power EVs has increased. As such
, EV makers want to secure their raw material supply chain in advance. Tesla
’s shift from nickel-based to iron-based cells, which use zero cobalt, coul
d help it avoid supply issues in the future.
心得
美国Midel3 SR+车主选择磷酸铁锂电池可以提早交付
马神说他自己偏好铁基电池
因为可以常常充到100%
也就是总是可以享受100%续航
相比镍基适合90% 有些研究建议80%
并且说
将来电池会往铁基发展
而非镍基
特斯拉会有2/3使用铁基电池(磷酸铁锂)
这是包含储电设备的用量
在今年年初
福特表示 将使用LFP电池在商用车上
大众表示 将在入门级别的乘用车使用LFP电池
个人一直比较推磷酸铁锂电池
是看中它在安全性的表现
先不提自燃
在一些中等的事故里
人晕了或是卡住没办法马上脱困是常见的
人还没死这时候被烧死真的很不应该