Batteries in Transport Decarbonisation - 26th of June 2020
The first webinar of the DTE Network+ webinar series concerned batteries in transport decarbonisation.
The first presentation was given by Professor Peter Wells of Cardiff University and can be found here. The second was given by Kara Elias Haag and Renato Manzoni of FZSoNick, a global leader in storage solutions using Sodium-Nickel-Chloride battery technology and can be found here.
The Z families : say modules ranging 557 to 650 Vdc , 21,2 to 24,7 kWh each.
We have also available similar modules for the 275 - 370 V range
Will this specific battery model be suitable for fast charging of EVs in the future?
Fast charging is a feature for high power batteries. Our technology is energy oriented and allows for a faster charge if you are charging it between 20 to 70% SOC. To get to 70% SOC from 20%, this will take one hour.
We do not compete with consumer vehicles that have a high power, unpredictable user pattern. Our batteries are best suited for vehicles that have a set route (light commercial, mining, buses, etc) and have the ability to be parked for a period of time to be charged.
115 - 120 Wh/kg including the box with thermal insulation and the BMS.
The cell alone has one of the highest energy densities available, 140 Wh/kg
When designed into the case with insulation, as you noted, the energy density is a bit lower.
To keep it simple the energy density shows capacity to store energy and is related to the mileage or hours of service. Power density is related to the peak power, which equates to acceleration or max speed.
Energy density = stored energy / weight
Power density = maximum power / weight
Each battery module is equipped with heaters that will be activated by the BMS to keep the battery in temperature.
In the Z family used on EVs there are 2 internal heaters, a Dc heater and an AC heater
The AC heater is powered from the grid when the vehicle is plugged for charge or park. If the AC
is not connected a DC heater can use the energy stored in the battery when necessary, for example in park mode.
During the operation of the vehicle, the battery temperature tends to increase so the heaters are typically not necessary.
Batteries are definitely an enabling technology for the growth of the penetration of renewables. Renewable sources are not always stable, so energy storage is needed to firm up the capacity. Also, V2G (vehicle to grid) solutions could make available storage capability to sustain the grid,
it will be necessary to have excellent coordination among the different assets to set regulatory requirements and to find the right mix.
We follow the Middle East market from our European operations.
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Grid Integration of Electric Vehicles (EVs): Wired and Wireless Solutions - 10th of July 2020
Our second webinar was an IEEE Distinguished Lecture . The presentation was provided by Professor Udaya K. Madawala and the event was chaired by Professor Jun Liang. The presentation can be found here .