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DOE to award up to $15M to projects to enable extreme fast charging

The US Department of Energy (DOE) will award up to $15 million in a newly released funding opportunity (DE-FOA-0001808) to encourage the development of plug-in electric vehicle systems and batteries that can demonstrate the ability to recharge rapidly at high power levels. (Earlier post.)

This FOA includes two Areas of Interest: extreme fast charging (XFC) systems for electric vehicles and batteries for extreme fast charging.

Area of Interest (AOI 1): Extreme Fast Charging (XFC) Systems for Electric Vehicles. The objective of this area of interest is to develop and verify vehicles equipped with extreme fast charging (XFC) technology, which can recharge a battery in half of the time compared to current fast charging rates.

Projects should detail technical approaches to drive system and battery development that can enable XFC, charger installation and demonstration, infrastructure impact studies, and reduced vehicle charging time proposition analysis.

The DOE is especially interested in projects that encourage the development of plug-in electric vehicle systems which can recharge rapidly at high power. Developing these systems should allow plug-in electric vehicles to be charged much faster than current vehicle charging, enable greater use of electricity for transportation, and encourage widespread use of plug-in vehicles that can demonstrate zero emissions operation.

Baseline requirements:

  • Identify a current baseline plug-in electric vehicle, and describe how the proposed project will incorporate XFC technology and lead to a value added for the demonstration vehicle in terms of reduced charging time.

  • Identify specific vehicle types(s) (including light, medium, or heavy duty vehicles) and electric drive systems that will be developed and demonstrated.

  • Demonstrate the ability of the proposed technology to decrease charging times relative to currently available technologies while maintaining currents to less than 400A.

  • Assure that the battery state of charge increases by at least 50% with a 3C or greater rate of charging.

  • Describe planned charger location(s), including infrastructure requirements and impacts at these sites.

  • Include and describe partnerships with state governments, local governments, metropolitan transportation authorities, air pollution control districts, private or nonprofit entities, and component and/or subcomponent suppliers or combinations of these entities integrated within the project team to support the overall system design and demonstration effort.

  • Include partnerships for the supply or co-development of components and/or subcomponents such as, but not limited to: battery packs, power electronics, controllers, chargers, sensors, cabling, and connectors.

Area of Interest (AOI 2): Batteries for Extreme Fast Charging (XFC). The objective of this area of interest is to research, develop, and gain a better fundamental understanding of next generation fast charge battery cells capable of achieving 500 cycles (with less than 20% fade in specific energy) consisting of a 10-minute fast charge protocol, while achieving or improving state-of-the-art cell specific energy and cost.

One known market barrier for EV adoption is their relatively slow recharge times compared to refueling internal combustion engine vehicles. Current state of the art in battery technology either significantly sacrifices battery range, cost, or battery cycle life when higher charge rate conditions are applied. The development of batteries capable of XFC while maintaining an acceptable driving range and cost is expected to have a significant impact on EV adoption.

State-of-the-art high-energy battery cell technology (greater than 200 Wh/kg and less than $150/kWh) is capable of 2C (30 minutes) charging with minimal consequences, but charging at rates higher than this can significantly reduce battery life and performance due to lithium plating and increased battery temperatures.

Specific technical interests for achieving the objectives include, but are not limited to the following:

  • Novel electrode and cell architectures

  • Novel electrolytes

  • Active material modifications

  • Improved additives



The 400 Amps (max) imposed current limits would compel the charging facilities to a relatively slow charging rate of around 300 KW for most extended range BEVs unless battery pack voltage is raised to 1200 Volts or so.

Considering that near term extended range BEVs, e-buses and e-trucks will be equipped with 150+ kWh, 300+ kWh and/or 450+ kWh battery packs, the 400 Amps limits will not allow ultra fast or extreem charging.

The charging facilities proposed is already available from ABB.


It has more to do with the batteries, they can discharge rapidly but charging is another specification.


Thoshiba claims that their new 2X batteries can be recharged in less than 10 minutes, 5000 times @ 80% performance.

Account Deleted

You maybe correct 400 Amps Max may be too low! Elon Musk thinks the next generation will be greater than 350kW (Note: EVgo already has a 350kW Charging Station at Baker, California. Of course, the BEV battery must be able to handle that load definitely at least 800 Volts). However, some are planning for DC fast-charging power up to 460 kW, 920 volts, and 500 amps (check:


I would have thought 400A was enough.
We need action rather than ever higher specifications.
Charging at 350KW would enable 23x charge - drive ratio (for a saloon car) which should be enough for anyone.
We also need a standard connector.

Patrick Free

Great public initiative again,.... But not sure why this 400Amp limitation to the creativity of the humans ?
I understand serious cooling issues as the Amps increase, as well as cables requirements, and their impact on practicallity of charging for average humans manipulating the plugs. Understand that with usual cables, above 300A you need Liquid Cooling, not mentionning the section and the weight of the cables that are required and the plugs attached. Then 400A may be already kind of a challenge even with great liquid cooling... But why limit the creativity that way ? Every challenge can open the door to new breakthroughs.... When searchers look outside the box, why don't let them think about charging at up to 1000KW, battery and chargers, without boundaries ? Either way it comes and can be made safe, it should be acceptable. Understand that increasing the Voltage forever is not without safety challenges either....
Could searchers find better ways to move current than via copper wires + cooling of these wires ? No liquid, no plasma, no new things...could do better than wires ? Then you can have an automat move the cables and plugs instead of humans, which could then allow more weight and heat and many things, especially as you think at next step Autonomous cars charging.
Not sure why limits are set up-front on one characteristic like Amps here. Seams they want to fund something already found by a US vendor, and not the other options that could compete with that....
For me they should better define the starting point as where Tesla is today (145KW chargers, and 120KW maxi effective charge at optimal SOC on Tesla best 100KWH 1.2C batteries, with 8 years unlimited Miles battery warranty) and then define the next challenging ultra fast charging standard expected, define safety standards in an open way (No possibility of manipulating humans enjuries, no explosions)) say 1000KW, then put the money and let creativity come out with multiple options and benchmark them on real cases.


Difficult to understand this grant ($15M) for a product already available. DOE is not up-to-date on this one?


This is not just chargers, it is everything.

BJ Perng

Hi Everyone,

This is my co website - we are in the process to register our co in the US, but assume w can't make it by Jan. 18, 2018. We are therefore looking forwards to any partnership as a front bidder to submit the proposal. Please advise !!!

This is my email: [email protected]

/BJ, CEO, NiveauUp

BJ Perng

@mahonj @HarveyD @gryf @SJC

Hi Everyone,

This is my co website - we are in the process to register our co in the US, but assume w can't make it by Jan. 18, 2018. We are therefore looking forwards to any partnership as a front bidder to submit the proposal. Please advise !!!

This is my email: [email protected]

/BJ, CEO, NiveauU

BJ Perng

@Patrick Free


This is my co website - we are in the process to register our co in the US, but assume w can't make it by Jan. 18, 2018. We are therefore looking forwards to any partnership as a front bidder to submit the proposal. Please advise !!!

This is my email: [email protected]

/BJ, CEO, NiveauU

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