Dynamic EAC Electrodes for Efficient Hydrogen Electrolysis
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Solution Overview
Problem
Current hydrogen production methods rely heavily on fossil fuels, with only 5% of global hydrogen produced from renewable energy sources through electrolysis, necessitating an improvement in electrolyser efficiency and the development of dynamic systems to enhance electrode shapes and configurations for more effective hydrogen and electricity production.
Innovation Solution
A dynamic hydrogen economy system comprising first and second electrolytic active circuit electrodes, configured in various orientations, materials, and arrangements, including aqueous and non-aqueous electrolytes, to produce hydrogen gas efficiently, with the ability to be integrated into galvanic systems and vehicles, enhancing electrochemical reactions and energy storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional electrolysis methods are used for hydrogen production, then hydrogen can be produced through electrochemical cell, but the efficiency is low and reliance on fossil fuels remains high (only 5% from renewable energy sources)
Solution Approach 1:
The patent applies dynamics by making the electrode shapes changeable during operation. The electrodes can dynamically adjust their geometry to optimize the electrochemical reactions at different stages of the process, improving hydrogen production efficiency while reducing energy losses through real-time adaptation of the reaction surfaces.
Solution Approach 2:
The patent changes physical parameters by transforming fixed electrode geometries into variable ones. The electrode shapes, sizes, and configurations can be modified during operation to optimize current distribution and reaction rates, thereby improving productivity and reducing energy consumption in the electrolysis process.
2Productivity
If static electrode configurations are used in electrochemical cells, then the system structure is simple, but the hydrogen and electricity production efficiency is limited
Solution Approach 1:
The patent transforms static electrode configurations into dynamic ones where electrode shapes and positions can change during operation. This dynamic capability allows the system to optimize production rates for both hydrogen and electricity by adapting the electrode geometry to match the instantaneous operational requirements, accepting increased complexity as a trade-off for enhanced productivity.
Solution Approach 2:
The patent makes the electrode system multi-functional by enabling it to perform both hydrogen production and electricity generation with optimized efficiency. The same dynamic electrode structure serves multiple purposes: facilitating electrochemical reactions for hydrogen production while simultaneously enabling efficient electricity generation, reducing the need for separate specialized systems.
3Quantity of substance
If traditional hydrogen storage systems (compressed gas, liquified gas) are used, then hydrogen can be stored, but the energy density is low compared to petrol and requires large tank volumes
Solution Approach 1:
The patent changes the physical state parameters of hydrogen storage by utilizing electrochemical systems that can store hydrogen in forms with higher energy density. Instead of storing hydrogen as compressed or liquified gas requiring large volumes, the system uses electrochemical cells that can store hydrogen in a more compact form, reducing the volume required for a given storage capacity.
4Productivity
If electrolysis systems operate with fixed voltage and current, then the operation is simple, but the rate of charge transfer and ionic flux is suboptimal
Solution Approach 1:
The patent implements feedback control where the electrochemical cell parameters (voltage, current, electrode positions) are continuously monitored and adjusted based on the actual performance. This feedback mechanism allows the system to optimize charge transfer rates and ionic flux by dynamically responding to changes in operational conditions, improving productivity while managing complexity through intelligent control.
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 approach significantly improves the efficiency of hydrogen production, reduces reliance on fossil fuels, and increases the use of renewable energy sources, enabling more effective hydrogen storage and energy generation, particularly in transportation systems.
Implementation Method 1
an electrochemical cell involving the transfer of charge, by the movement of ions in a liquid or solid phase and the movement of electrons in a solid phase, through which electrochemical transformation can be achieved
Implementation Method 2
Oxidations take place at the anodes and reductions at the cathodes, both are linked with by the flow of the current of electrons in the electrodes and ions in the separating electrolyte
Implementation Method 3
Fuel cells convertion formula: H2+1⁄2 O2=H2O; fuel cells producing electricity, water and heat
Implementation Method 4
Hydrogen can be reacted with oxygen to release energy in combustion engines or in fuel cells producing its only by-product-water and zero emissions
Data Source
AI summary
The invention relates to a dynamic hydrogen economy (DHE) system with first and second electrolytic active circuit (EAC) electrodes providing an electrical current to produce hydrogen gas. The first/second EAC electrodes can be provided in an aqueous or non-aqueous electrolyte, they can be provided in a galvanic system, they can be configured like homopolar generators, they can form an array, they can be oriented substantially vertically or horizontally, they can be provided in a flexible enveloping material, they can include an enlarging element, they can be provided in a stacked configuration, they can have defined shapes, they can be coupled with a vehicle and/or a vessel. A hydrogen gas electrolysis production method using the first and second EAC electrodes is provided. A dynamic galvanic method comprising the first and second EAC electrodes is provided.