Potassium Superoxide Oxygen Generation in Ionic Liquid
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Solution Overview
Problem
Existing oxygen generation technologies face limitations in providing a reliable and efficient source of breathable oxygen, especially in emergency situations, due to issues with stability, scalability, and temperature range, and often require peroxide compounds or metal oxide catalysts.
Innovation Solution
A composition comprising potassium superoxide as the oxygen source, an ionic liquid with specific cations and anions, and a water-containing solution or mixture with an antifreeze, which allows for continuous and uniform oxygen generation over a broad temperature range without the need for peroxide compounds or metal oxide catalysts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If peroxide compounds are used as oxygen source, then oxygen generation is achieved, but stability and reliability are reduced due to sensitivity to moisture and temperature limitations
Solution Approach 1:
The patent changes the chemical state of the oxygen source from solid peroxide compounds to dissolved potassium superoxide in ionic liquid, fundamentally altering the parameter of oxygen source formulation to achieve both stability and reactivity
Solution Approach 2:
The ionic liquid acts as an intermediary medium that dissolves potassium superoxide, providing a stable yet reactive oxygen source that bridges the gap between stability and reactivity requirements
2Productivity
If metal oxide catalysts are used, then oxygen generation rate is improved, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The patent extracts and eliminates the need for separate metal oxide catalysts by incorporating catalytic activity directly into the ionic liquid formulation, simplifying the overall system while maintaining high oxygen generation rates
Solution Approach 2:
The patent merges the oxygen source (potassium superoxide) and catalyst (ionic liquid) into a single integrated formulation, eliminating the need for separate catalyst components and simplifying manufacturing
3Adaptability or versatility
If conventional oxygen generators are used, then oxygen generation is achieved, but temperature adaptability is limited and scalability is reduced
Solution Approach 1:
The patent changes the physical state and solubility parameters of the oxygen source by dissolving potassium superoxide in ionic liquid, enabling the system to function across a broad temperature range from -40°C to +70°C while maintaining scalability
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
The solution enables scalable, continuous, and uniform generation of breathable oxygen from -40°C to +70°C, ensuring stability and efficiency in oxygen production, even at low temperatures, without the drawbacks of existing technologies.
Implementation Method 1
The decomposition of the peroxides yields oxygen and the decomposition reaction can be started by bringing the peroxide compounds into contact with a suitable enzyme or transition metal catalyst
Implementation Method 2
The composition comprises an oxygen source and an ionic liquid... the ionic liquid is in the liquid state at least in a temperature range from −10° C. to +50° C.
Implementation Method 3
a water-containing solution or a water-containing mixture, said water-containing solution containing a given amount of a further salt or a given amount of the further salt together with a given amount of an antifreeze, or the water-containing mixture contains a given amount of an antifreeze, to effectively lower a freezing point of said water-containing solution or of said water-containing mixture by at least 10° C. compared with a freezing point of the water
Data Source
AI summary
A composition for generating oxygen includes the following constituents. Potassium superoxide forming an oxygen source. An ionic liquid, which is a salt with at least one cation and at most 100 cations and with at least one anion and at most 100 anions. The composition additionally has a water-containing solution or a water-containing mixture. The water-containing solution contains such an amount of a further salt or such an amount of a further salt together with such an amount of an antifreeze or the water-containing mixture contains such an amount of an antifreeze, that the freezing point of the solution or of the mixture is lowered by at least 10° C. compared to the freezing point of the water.