U.S. DOT FY 2024.1 Phase I Pre-Solicitation Q&A
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4 results found
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241-FT1 EV Battery pack: Improved mitigation or cooling
Raj Wrote: "Expectation from comprehensive review and analysis is a variety of solutions inside and outside but there is only so much you can tell battery OEMs for internal battery improvement. So, the focus is all solutions, but it might be more about mitigations outside the shell and outside the battery packs. The research should tell us what needs to be focused and mitigations developed"
To me an EV Battery Pack is a set of cells or pouches, connected together in small numbers with sensors and put into subsystem bandoleers or cans, which are in turn connected to power/control/sensor lines…
1 vote -
Is the topic focused on detection, reaction, & suppression independent of root cause or
The topic describes understanding research into common root causes, followed by a product of software or hardware (or both) that can mitigate thermal runway fires. Certain root causes might be chemistry based, or cell differences in charging, or mechanical such as measured by a *********** test. Do you have a perspective if this topic is focused more on detection, reaction, and suppression independent of root cause such that all causes of a fire are addressed, or if it is focused on trying to identify a single most common cause and working to eliminate that cause?
1 vote -
Collaboration of laboratory, device companies, and system developer
The topic understandably describes two phases, the first for exploratory research, and the second for product development and prototyping. Conducting research on battery fires in the first phase could require a laboratory function to initiate cell runaway and measure effectiveness of countermeasures. The second phase of design and build with testing would require skill sets different from a laboratory to build hardware. It could be the case that no single entity has all these functions in-house. Is it desirable to have a collaboration of companies / entities such as a laboratory, a sensor company and a development company to integrate…
1 vote -
24-FT1 EV Battery cooling and mitigation
the topic talks to "The primary goal of this project is to conduct a comprehensive review and analysis of research and data
related to battery fire issues and design, and then develop a viable or conceptual solution to manage
overheating and mitigate battery fires that may be hardware, software, or both. The product will apply to
any battery packs used on electric vehicles or Battery Electric Buses."Is the focus here on endogenous solutions to improved cooling/fire mitigation or are solutions that go outside the battery system allowable? Are any approaches required to be contained within the battery shell or…
1 vote