Expeditionary Solar Refinery for Direct Synthesis of Methanol Feedstock from Water and Air

STTR · Phase: BOTH · Topic OSW26TZ06-NV009 · Solicitation 26.TZ

Modern warfare tactics have demonstrated the need to shift toward small, specialized, dismounted tactical units which can operate free from the supply line. Systems enabling Soldier power sustainment are essential to facilitate zero-resupply operations amid increasing energy requirements on the battlefield. To accomplish this demand, we need investments to capitalize on energy sources that can be replenished in austere environments, whether to directly power devices or charge batteries. Further, this energy source needs to impart minimal cognitive load on the warfighters, acting passively until put into use. Finally, it should be invisible to modern UAS-mounted sensors (e.g., IR detection). A technology that enables continuous methanol fuel cell usage from just sunlight, water, and atmospheric gases can accomplish these goals for uninterrupted power in contested logistics environments. The motivation for this topic has arisen from recent research that showed efficient utilization of locally available carbon resources and the selective synthesis of liquid fuels under austere conditions [5,6]. In one study, a solar-driven artificial photosynthesis platform was demonstrated that directly converts carbon dioxide and water into methanol, enabling onsite fuel generation without the high temperatures, pressures, and complex infrastructure required by conventional syngas-based processes. In a complementary effort, a pathway was developed for converting stranded natural gas and methane emissions into transportable liquid fuel using only sunlight and water, overcoming long-standing challenges associated with methane activation and overoxidation. Together, these advances establish scalable photocatalytic technologies for producing methanol from diverse carbon feedstocks, providing a foundation for expeditionary fuel manufacturing with reduced logistics burdens and enhanced energy resilience for distributed military operations. Based on these advances, the proposed system will leverage solar (concentrated or ambient) energetic inputs along with water (potable or otherwise) and carbon dioxide (ambient or concentrated) as the only chemical inputs to generate methanol fuel capable of meeting the daily power requirements of up to 4 Soldiers. This approach will produce ≥66% methanol-in-water that is immediately available for use with direct/reformed fuel cell systems including the Honey-Badger 20/50W PEM Power Generator. The system will be operable in remote, austere locations without a direct Soldier interface, while placed on the ground, or while secured to a light tactical off-road vehicle (e.g., Flyer 60). Operation with direct access to fresh water, ambient CO2, and clear weather conditions should generate at least 0.5 L of methanol per hour, with increased efficiency if concentrated CO2 sources are available. The total system weight should not exceed 90 lb (equivalent to a typical T6 battery), nor the dimensions exceed 0.5 m3. Heat emissions from the system should be minimal such that the system remains near ambient to IR cameras. The system will be designed with a 0.5 L (16.9 oz) input cartridge containing potable water (equivalent to a standard plastic water bottle volume) which will be converted into a 66% methanol/33% water fuel stream. Ideally, the system can also be directly powered by alternative sources (e.g., military standard generators, wind, etc.). Achieving the desired production rate while remaining lightweight and utilizing onboard vehicle power will require an innovative approach.

SBIR/STTR 은 미국 중소기업만 지원할 수 있습니다(Small Business Act 법정 요건). • 계열사를 포함해 상시 종업원 500명 이하 • 미국 시민 또는 영주권자 1인 이상이 50%를 초과해 직접 소유·지배 • 미국 내 사업장을 두고 주로 미국 내에서 사업을 영위할 것 • 수행책임자(PI)의 주된 근무처가 신청 기업일 것 출처: https://www.sbir.gov/faq/eligibility-requirements

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미국 내 사업장을 두고 미국 시민·영주권자가 50%를 초과해 소유한 중소기업만 신청할 수 있습니다(법정 요건).

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최종 수집

2026.10.07

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2026.10.07

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