Levitated Hydrogen Production Unit Above Cloud Cover
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Solution Overview
Problem
Existing hydrogen production systems using renewable energy sources, such as photovoltaics and wind, are subject to strong fluctuations in energy supply, leading to unreliable and limited production rates due to equipment wear and tear.
Innovation Solution
A mobile production unit, called a 'solar balloon,' is designed to float above cloud cover using a buoyancy chamber filled with hydrogen or helium, allowing it to be positioned in high-solar-radiation regions, such as polar areas, and equipped with a photovoltaic unit and electrolysis system for continuous operation, with a center of gravity aligned with the center of buoyancy for stable orientation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the electrolysis unit is powered by renewable energy sources such as photovoltaics or wind, then the hydrogen production is environmentally friendly and CO2-neutral, but the production rate is limited and unreliable due to strong fluctuations in energy supply
Solution Approach 1:
The production unit is made mobile and can dynamically relocate to optimal positions. The support structure with buoyancy chambers allows the unit to move vertically to position photovoltaic panels above cloud cover and horizontally to track the sun's movement, ensuring continuous solar exposure and stable energy supply for electrolysis operation
Solution Approach 2:
The system transitions from ground-based to aerial operation by using buoyancy chambers to lift the production unit above cloud cover. This vertical dimension change ensures uninterrupted access to solar radiation, eliminating the limitation of ground-based photovoltaic systems that are blocked by clouds, thereby improving both reliability and productivity
2Use of energy by moving object
If the photovoltaic unit is positioned on the ground, then the system structure is simple, but the unit cannot operate above cloud cover and is limited by variable solar radiation
Solution Approach 1:
Buoyancy chambers filled with hydrogen or helium provide upward buoyant force to counteract the gravitational weight of the production unit. This allows the unit to ascend and operate above cloud cover, maximizing solar radiation utilization while the center of gravity adjustment mechanism maintains stable orientation
Solution Approach 2:
The system incorporates adjustable center of gravity mechanisms and movable photovoltaic panel positions that can dynamically adapt to changing solar positions and operational requirements, optimizing energy capture while maintaining flight stability
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
Ensures continuous, efficient hydrogen production by leveraging consistent solar radiation, enabling 24/7 operation and reducing equipment wear through stable positioning and orientation, while allowing relocation to optimize solar exposure.
Implementation Method 1
a photovoltaic unit (8) which generates the electrical energy required from solar radiation
Implementation Method 2
an electrolysis unit (4) for the electrolytic decomposition of water held in a water storage unit (6)
Implementation Method 3
connecting the production unit to a buoyancy chamber (14) filled with hydrogen and/or helium
Data Source
Figure 1~2
Figure 3~4
Figure 5~6c
AI summary
A production unit (1, 1') for generating hydrogen or ammonia by electrolytic decomposition of water, with an electrolysis unit (4) supplied with electrical energy by a photovoltaic unit (8) and connected on the media side to a water store (6) and on the output side to a hydrogen store (10), is intended to make it possible for a renewable energy source to be used particularly reliably and without being susceptible to fluctuations. For this purpose, the production unit (1, 1') is designed according to the invention for levitated operation and comprises a balloon envelope (12), which forms a lifting body (14) that can be filled with a lifting gas and which is provided with a supporting structure for the water store (6), the electrolysis unit (4), the photovoltaic unit (8) and the hydrogen store (10).