NSF award 2432189 · Tufts University

Osmotic powering of ingestible and wearable devices using cationic and anionic nanofluidic membranes

Final report due

28 January 2029

in 833 days · The award ends on 30 September 2028.

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Decide about an extension2 Jun 2028in 593 days
award ending 2028-09-30 · Research.gov
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Extension request16 Aug 2028in 668 days
award ending 2028-09-30 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice20 Sep 2028in 703 days
award ending 2028-09-30 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due28 Jan 2029in 833 days
award ending 2028-09-30 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due28 Jan 2029in 833 days
award ending 2028-09-30 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out28 Jan 2029in 833 days
award ending 2028-09-30 · Research.gov
PAPPG 24-1: “financially closed out 120 days after their expiration date”

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How we got this date

NSF lists this award's end date as 30 September 2028.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 28 January 2029.

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Award card

Award number: 2432189
Period of support: 1 Oct 2025 – 30 Sep 2028
Amount: $499,993
Awardee: Tufts University, Medford, MA
Program: CCSS-Comms Circuits & Sens Sys
Directorate: ENG

Abstract

This project aims to develop a novel, lightweight, and environmentally friendly battery that generates power using natural salinity gradients found in everyday fluids such as water, sweat, saliva, and urine. Unlike traditional batteries, which often rely on scarce and geopolitically sensitive materials like lithium, this new battery uses readily available and sustainable materials and operates without liquid…

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