Thermo-Responsive CO2 Capture Gel for Low-Energy Regeneration
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Solution Overview
Problem
Current carbon dioxide sequestration technologies require high energy input for regeneration, limiting their widespread implementation.
Innovation Solution
Development of a thermo-responsive and hydrophilic gel that sequesters and releases carbon dioxide at relatively low energy input, utilizing a polymeric component with a porous network and carbon dioxide capture medium, enhancing sequestration and release capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If current carbon dioxide sequestration technologies are used, then carbon dioxide can be captured and regenerated, but relatively large amounts of energy are required
Solution Approach 1:
The patent employs a thermo-responsive polymer that undergoes phase transition at specific temperatures to control CO2 release. By changing the temperature parameter, the gel transitions from a CO2-release state (above transition temperature) to a CO2-capture state (below transition temperature), enabling low-energy regeneration without requiring large energy inputs for desorption
Solution Approach 2:
The gel utilizes phase transition of the thermo-responsive polymer to switch between functional states. The polymer undergoes sol-gel transition or conformational change at a specific transition temperature, which triggers the release or capture of CO2, providing a mechanism for low-energy regeneration compared to conventional thermal desorption methods
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 gel effectively sequesters and releases carbon dioxide at low energy input, offering a sustainable solution for carbon capture and mitigation of environmental carbon dioxide levels.
Implementation Method 1
the gel, when in the presence of water, is capable of sequestering and releasing gaseous carbon dioxide
Implementation Method 2
the gel is capable of releasing at least 50% of the carbon dioxide when the gel is at at least one temperature of greater than 40 degrees Celsius and less than 100 degrees Celsius
Data Source
AI summary
The present disclosure generally relates to carbon sequestration materials, and related systems, articles, and methods. In some embodiments, the carbon sequestration material comprises a gel. In some embodiments, the gel comprises a hydrophilic material, a thermo-responsive polymer, and a carbon dioxide capture medium. In accordance with some embodiments, the gel, when in the presence of water, is capable of sequestering and/or releasing gaseous carbon dioxide. In some embodiments, the gel has a relatively large sequestration capacity such that a relatively large amount of carbon dioxide per gram of gel can be sequestered by the gel. In some embodiments, the gel sequesters a surprisingly large amount of carbon dioxide when exposed to relatively humid conditions. In some embodiments, the gel releases an advantageous amount of gaseous carbon dioxide that was previously sequestered by the gel.