Skip to main content
Industrial Research And Consultancy Centre
Patent
A multilayer PCB and a method for current density measurement in a fuel cell
Problem Statement

Traditional methods for measuring fuel cell performance can disrupt the cell's operation. A real-time diagnostic tool is needed to detect changes in current density under various conditions, indicating issues like uneven reactant distribution, fuel leakage, membrane failure and easy to integrate into existing fuel cell designs.

Abstract

This invention presents a multi-layer PCB board-based device for measuring the current density distribution in fuel cells. It addresses the need for a precise, cost-effective tool to monitor fuel cell performance in real-time without disrupting its operation.

Uniqueness of the Solution
  • Multi-layer PCB design with segmented current collectors 
  • Utilizes voltage drop across a resistor method 
  • Non-intrusive integration into existing fuel cell setups 
  • High precision in detecting time-dependent changes in current density 
  • Cost-effective real-time monitoring 
  • Minimal current consumption during measurement Identifies faulty operating scenarios effectively
Prototype Details

The prototype includes a multi-layer PCB with segmented current collector elements, resistive tracks, and voltage leads connected to a data acquisition system. It effectively measures current density distribution and identifies potential issues in fuel cell operations.

Current Status of Technology

The technology is at a prototype stage, demonstrating effective monitoring and diagnostic capabilities in fuel cell systems

Technology readiness level

5

Societal Impact

Improving the reliability and efficiency of fuel cells can significantly enhance clean energy production, reducing dependence on fossil fuels and lowering greenhouse gas emissions.

Relevant Industries, Domains and Applications

Renewable energy, Automotive industry, Energy storage and distribution

Applications or Domain
  • Fuel cell performance monitoring. 
  • Real-time diagnostics of fuel cell operations. 
  • Detection of operational anomalies in fuel cells

Geography of IP

Type of IP

Application Number

698/MUM/2015

Filing Date
Grant Number

443189

Grant Date
Assignee(s)
Indian Institute of Technology Bombay
**This IP is owned by IIT Bombay**