Integrated Deposition and Heating for Fuel Cell Manufacturing

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

The manufacturing of fuel cells is complex and expensive, with the deposition and heating/curing/sintering steps often being dissociated, leading to increased complexity and cost in producing efficient fuel cell systems.

Innovation Solution

An integrated deposition and heating process using electromagnetic radiation (EMR) where a composition comprising a first and second material is deposited slice by slice, with the second material having higher radiation absorption, allowing for simultaneous deposition and heating, reducing the need for separate steps and minimizing residue.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If deposition and heating/curing/sintering steps are dissociated, then each step can be optimized independently, but the manufacturing process complexity and cost increase

Engineering Contradiction:
Improvedeposition qualityVSAvoidmanufacturing process complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent combines the deposition step and heating/curing/sintering step into a single integrated process. The coating is applied directly onto the substrate while simultaneously subjected to electromagnetic radiation for heating, eliminating the need for separate deposition and heating equipment and processes. This merging reduces manufacturing complexity while maintaining the quality benefits of both independent steps.

Inventive Principle:
Principle #5Merging (Combining)

2Manufacturing precision

If deposition and heating/curing/sintering steps are dissociated, then each step can be controlled separately, but the manufacturing time and cost increase

Engineering Contradiction:
Improveprocess controlVSAvoidmanufacturing time
Core Design Contradiction:
Manufacturing precisionVSLoss of time

Solution Approach 1:

The integrated process enables continuous operation where deposition and heating occur simultaneously without interruption. The coating material is deposited and immediately heated in the same continuous process flow, eliminating the idle time between separate deposition and heating steps. This continuity maintains precise process control while significantly reducing total manufacturing time.

Inventive Principle:
Principle #20Continuity of useful action

3Reliability

If traditional separate deposition and heating processes are used, then equipment can be specialized for each step, but the overall manufacturing cost increases

Engineering Contradiction:
Improveprocess reliabilityVSAvoidmanufacturing cost
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The integrated system uses a single piece of equipment that performs both deposition and heating functions. The electromagnetic radiation source serves multiple purposes: it provides the energy for heating/curing/sintering while the deposition system applies the coating material. This multi-functionality reduces the need for multiple specialized equipment purchases and maintenance, lowering overall manufacturing costs while maintaining process reliability through a unified system design.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This method simplifies the manufacturing process, reduces costs, and enables rapid, uniform heating, improving the efficiency and performance of fuel cell production by integrating deposition and heating in a single step, thus shortening sintering time and minimizing thermal stress.

Implementation Method 1

the second material has a higher absorption of the radiation than the first material

Methodology Applied
Scientific EffectElectromagnetic radiation absorption: Absorption (EM radiation)

Implementation Method 2

heating in situ the object using electromagnetic radiation (EMR)

Methodology Applied
Scientific EffectElectromagnetic heating: Dielectric Heating

Data Source

PatentUS11735755B2System and method for integrated deposition and heating
Publication Date: 2023.08.22 UTILITY GLOBAL INC
  • US11735755B2 patent drawing
  • US11735755B2 patent drawing
  • US11735755B2 patent drawing

AI summary

Herein disclosed is a method of manufacturing comprises depositing a composition on a substrate slice by slice to form an object; heating in situ the object using electromagnetic radiation (EMR); wherein said composition comprises a first material and a second material, wherein the second material has a higher absorption of the radiation than the first material. In an embodiment, the EMR has a wavelength ranging from 10 to 1500 nm and the EMR has a minimum energy density of 0.1 Joule/cm2. In an embodiment, the EMR comprises UV light, near ultraviolet light, near infrared light, infrared light, visible light, laser, electron beam. In an embodiment, said object comprises a catalyst, a catalyst support, a catalyst composite, an anode, a cathode, an electrolyte, an electrode, an interconnect, a seal, a fuel cell, an electrochemical gas producer, an electrolyser, an electrochemical compressor, a reactor, a heat exchanger, a vessel, or combinations thereof.