SATPC0034067 Tab 04 4 SOW.pdf

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Synchrotron Beamtime for Battery Experiments in 2024 Federal contract opportunity
Solicitation number
80NSSC24860017Q
Issued by
National Aeronautics and Space Administration Shared Services Center

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This document outlines a statement of work and related federal contract opportunity. The statement of work requests ninety-six hours of synchrotron beam time at the European Synchrotron Radiation Facility in March-April 2024 to conduct approximately one hundred lithium-ion battery experiments. The experiments will use high-speed x-ray videography to study the thermal runaway protection mechanism of plastic current collectors. The synchrotron must be capable of high-energy, high-speed imaging with a large field of view. The federal contract opportunity is a sole source solicitation for the synchrotron beam time. It will be awarded to the European Synchrotron Radiation Facility and performed at NASA's Johnson Space Center. The response deadline is February 7, 2024.

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Synchrotron Beam Time for Li-ion Thermal Runaway Experiment in Spring 2024

Statement of Work (SOW)

6 Dec 2023

1.0 Objective – Obtain high speed X-ray videography while triggering an internal short circuit in numerous individual Li-ion cells while inside a Fractional Thermal Runaway Calorimeter (FTRC) for to get insight into the protection mechanism provided by plastic current collectors.

2.0 Scope – This involves testing about 100 Li-ion cells with and without plastic current collectors and with and without Internal short circuit devices (ISCD). The cell thermal runaway (TR) hazard will be controlled by use of NASA’s FTRC which encloses the cell, decelerates the TR ejecta to trap particulates, and routes the gases to a provided filter prior to connection to facility exhaust port.

The cells internal short circuits will be triggered via nail penetration or heat. The FTRC will be assembled and disassembled for the next runs in portable fume hoods that look like glove boxes and who are connected to suction and a provided filter prior to connecting to the facility exhaust.

3.0 Background – The FTRC measures the total and fractional heat outputs of Li-ion cells during TR but can only give qualitative judgements of the kinetics and violence of each TR. This system has been successfully and safely used before at the European Synchrotron Radiation Facility.

4.0 Tasks

4.1 Beam Time – Ninety-six continuous hours of beam time is required to enable about 100 individual Li-ion experiments. Access to the hutch and lab facility will be required for 16 hours prior to the 96 hours of beam time for set up and check out of the calorimeter and portable fume hoods.

4.2 X-ray conditions – The synchrotron must be capable of high X-ray energy (60 keV to 100 keV), high speed (greater than 2000 frames per second), and large field of view (greater than 10 mm x 10 mm) imaging.

4.3 Lab Facility – AC power for our portable cell cyclers, filters, lights, and laptops are required.

Several benchtops are required and a 3 m2 area is needed for our fume hoods for FTRC assembly and disassembly area. Assembly and sample preparation area must be next to the

X-ray hutch.

4.4 Sample environment – A sample stage capable of vertically and horizontally positioning a 20 kg sample is needed.

4.5 Videography Quality – High-speed imaging of greater than 2000 frames per second with a minimum field of view of 10mm x 10 mm, for a greater than 5 seconds is necessary.

4.6 Other – The beam time facility shall dispose of battery waste and spent fume hood filters. It shall also storage and maintain NASA’s large fume hood in between beam times.

5.0 Period of Performance – Beam times must be scheduled in March-April of 2024.

6.0 Deliverables – Radiography data.

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