Enevate's silicon-anode batteries promise ultra-fast EV charging
Comment of the Day

March 27 2020

Commentary by Eoin Treacy

Enevate's silicon-anode batteries promise ultra-fast EV charging

This article by Loz Blain for New Atlas may be of interest to subscribers. Here is a section:

With some US$111 million in investment from major companies, including LG, Samsung, Mitsubishi, Renault and Nissan, Enevate now says its cells are ready for the big time. In an interview with Charged EVs, Park said Enevate is designing packs for the 2024 and 2025 model years to get its cells into consumer products with major manufacturers. There are no announcements around who or what exactly they're making packs for, but the list of companies above may be instructive.

As far as we're aware, though, the infrastructure to support blast-charging at the kinds of rates we're talking about here simply doesn't yet exist. Tesla's V3 superchargers are currently capable of blast-charging a Model 3 at 250 kilowatts, which would give you around 133 km (83 mi) of range in five minutes.

These batteries would charge three times faster, at around 0.75 megawatts, which is a huge power draw. An alternative method might involve trickle-charging massive supercapacitors all day at slower rates so they've got enough energy to supply the cars super-quickly when they need it, but we're yet to see anything like that in action, and the size of those supercapacitors might end up being prohibitive.

Eoin Treacy's view

It is almost as if I see a new story about advancements in battery technology every day. They all come with caveats but the one thing we can be sure of is the quantity of capital now devoted to solving the issue of energy density and range anxiety is growing persistently. Producing a doubling of energy density with a low charging time is the hold grail of the sector today and it is reasonable there will be a solution in the market within five years. 

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