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Topic was temporarily posted March 2, 2026, then removed pending SBIR program reauthorization. Expected to be released once reauthorized. The stored grant title says SBIR Phase I but the page describes it as STTR.
Navy SBIR Phase I - Develop Low-Cost, Lightweight, Flexible Printed Organic Thermoelectric Cooling Films is a Department of Defense Small Business Innovation Research (SBIR) contract opportunity seeking development of flexible thermoelectric cooling films using printed organic semiconductors.
The goal is to create lightweight, low-cost cooling films with a bending radius of less than one inch, suitable for cooling warfighters at small scale or military platform surfaces at larger scale. The films must conform to curved surfaces including wrists, ankles, and complex geometries. Awards of $240,000 are available for Phase I development.
Eligible applicants are for-profit, U.S.-owned and controlled companies with 500 or fewer employees, including affiliates. The application deadline is April 29, 2026.
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Flexible Printed Thermoelectric Cooling Film - STTR Topic DON26TZ01-NV013 — BW&CO Flexible Printed Thermoelectric Cooling Film - STTR Topic DON26TZ01-NV013 Active specific topic DSIP 2 This topic was temporarily posted by the Department of War SBIR Program on March 2nd 2026 and removed the following day.
We believe this topic is planned to be released once the SBIR program is reauthorized; however, this topic may ultimately be modified or withdrawn. Notify Me When This is Released Develop a low-cost and lightweight thermoelectric cooling film that could be used to cool the warfighter (small scale) or surfaces on military platforms (larger scale) using printed organic semiconductors.
The flexible cooling films should have a bending radius of less than one inch to easily wrap around pipes, wrists, and ankles, and be able to conform to complex curvatures on larger surfaces. Thermoelectric cooling devices based on narrow bandgap semiconductors such as bismuth telluride are commercially available.
They are solid state devices and thus do not have the large footprint and moving parts associated with vapor compression refrigeration systems; however, they operate with lower efficiency. They are well-suited for cooling small flat surfaces where one is more concerned with the form factor than efficiency.
For many practical applications, these square ceramic tile thermoelectric devices are heavy and too rigid, and do not offer conformal contact to curved surfaces. Over the past fifteen years, a lot of progress has been made on organic thermoelectric materials.
Though the thermoelectric figure of merit (ZT) has not caught up to that of bismuth telluride and other inorganic materials, the potential to make low-cost, lightweight, and flexible devices has opened a new application space for thermoelectric cooling where flexibility and large-area conformal contact are prioritized over efficiency.
For instance, lightweight headbands and wristbands only need to remove a small amount of heat to provide significant cooling sensation to the user. Likewise, there are diffuse, large surface area applications with similar cooling needs. Prior research was summarized in a recent review article by Segalman [Ref 1].
The conducting polymer Poly(3,4-ethylenedioxythiophene) [PEDOT] was identified as a strong candidate for the p-type leg in the p-n device, but device performance has been limited by the lack of suitable n-type materials. The organic electronics community has long wrestled with n-type materials due to potential oxidation of the electron carriers.
A number of inherently stable and high performing n-type polymers have recently been developed [Ref 2] that should complement the available p-type materials and enable significantly improved thermoelectric cooling device performance.
New device designs obtainable with simple fabrication must be developed to take advantage of the anisotropic thermal conductance and charge transport in these materials, which is typically maximized in-plane and along the polymer molecular backbones, such that measured thin film behaviors successfully translate into device performance.
A number of design and fabrication strategies have been demonstrated but much more innovation is possible [Ref 1]. It is an appropriate time to develop lightweight, flexible thermoelectric cooling devices for these niche applications. This STTR topic is for low-cost, lightweight, and flexible thermoelectrics for personal cooling as well as for large area applications.
The flexible cooling films should have a bending radius of less than one inch to easily wrap around pipes, wrists, and ankles, and be able to conform to complex curvatures on larger surfaces. The stated applications are near-ambient temperatures though the conjugated polymers should be able to handle temperatures up to 200°C. Composite approaches that are appropriate are welcome.
This topic is not soliciting a fabric-based solution. If you can achieve the objective above better than any other company on the market, you have a very high-likelihood of success and should apply. Who is eligible to apply?
Any company that meets the following criteria: U.S.-owned and controlled. 500 or fewer employees (including affiliates) 1) End-to-end support including, strategy, writing of the full proposal, and administrative & compliance support. 2) Proposal strategy and review.
3) Administrative & compliance support. Request to talk with a member of our team by completing the form below: Defense & Dual Use Technology NAVY Advanced Materials & Manufacturing Biotech healthtech Medtech https://www. bwcoconsulting.
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Based on current listing details, eligibility includes: For-profit, U. S. -owned and controlled companies with 500 or fewer employees (including affiliates). Applicants should confirm final requirements in the official notice before submission.
Current published award information indicates $240,000 Always verify allowable costs, matching requirements, and funding caps directly in the sponsor documentation.
The current target date is April 29, 2026. Build your timeline backwards from this date to cover registrations, approvals, attachments, and final submission checks.
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SBIR/STTR Programs (Defense Health Agency) is sponsored by Department of Defense (DOD) - Defense Health Agency (DHA). The DHA SBIR/STTR Programs fund biomedical and health-focused technologies that enhance medical readiness, clinical care delivery, force health protection, operational medicine, and military healthcare modernization. Priority research domains include digital health systems, AI-enabled triage, and physiological analytics.
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