Ferroelectric One-Electrode Cells for Contactless Charge Accumulation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing technologies for energy harvesting and storage face limitations in efficiently generating and storing energy without physical contact, relying on magnetic fields or mechanical interactions, which restricts continuous charging and efficient energy accumulation.
Innovation Solution
A ferroelectric-induced potential difference is generated between conductors or semiconductors and high dielectric constant ferroelectric materials, enabling charge accumulation and surface current without physical contact, using one-electrode cells or full cells with ferroelectric-insulator interfaces, allowing for self-charging across a wide temperature range.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If magnetic fields or mechanical interactions are used for energy harvesting, then energy can be generated and stored, but physical contact is required which restricts continuous charging and efficient energy accumulation
Solution Approach 1:
The patent introduces a ferroelectric material as an intermediary between two conductors. The ferroelectric layer with very high permittivity (εr > 10³) mediates the interaction between conductors without requiring physical contact, enabling contactless energy transfer through induced polarization and electric field effects.
Solution Approach 2:
The patent replaces mechanical interactions and magnetic field-based energy transfer with an electrostatic field-based system using ferroelectric materials. This substitution eliminates the need for physical contact and mechanical movement, enabling continuous charging through electrical field induction alone.
2Loss of energy
If conventional energy storage methods are used, then energy can be stored, but efficiency is limited due to physical contact requirements and energy losses
Solution Approach 1:
The patent replaces mechanical and magnetic energy transfer systems with an electrostatic field-based system using ferroelectric materials. This substitution reduces energy losses by eliminating friction, contact resistance, and magnetic hysteresis, thereby improving overall energy transfer efficiency and accumulation effectiveness.
3Ease of operation
If ferroelectric materials with very high permittivity are used to generate potential difference, then contactless charging is enabled, but device complexity increases
Solution Approach 1:
The patent divides the energy storage system into discrete cell units, each containing a conductor-ferroelectric-conductor structure. This segmentation allows for modular design where each cell can be independently manufactured and then assembled in series or parallel configurations, simplifying the overall device architecture despite the complex ferroelectric material requirements.
Solution Approach 2:
The patent designs the ferroelectric cell to serve multiple functions simultaneously: energy storage, contactless charging, and potential difference generation. The same ferroelectric layer with very high permittivity performs all these functions, reducing the need for additional components and thereby managing device complexity despite the advanced material requirements.
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 enables continuous, contactless charging and energy storage, achieving high electric fields and potential differences, facilitating efficient energy harvesting and storage without magnetic fields or mechanical interactions, suitable for various applications from low to high temperatures.
Implementation Method 1
a ferroelectric-induced potential difference is generated between conductors or semiconductors and high dielectric constant ferroelectric materials, enabling charge accumulation and surface current without physical contact
Implementation Method 2
A Ferroelectric material is a material that has spontaneous electric polarization that can be reversed by the application of an external electric field. All ferroelectrics are pyroelectrics, their natural electrical polarization is reversible and temperature related.
Implementation Method 3
one-electrode cell comprising a ferroelectric-insulator and an electrode... wherein the ferroelectric-insulator has a dielectric constant εr higher than 10³ at the interface
Implementation Method 4
All ferroelectrics are pyroelectrics, their natural electrical polarization is reversible and temperature related.
Implementation Method 5
With the spontaneous and dynamic alignment of the dipoles of the ferroelectric, a potential difference is induced in different points of the surface of the cell, cells or device and a current can be harvested by conductor-terminals.
Data Source
AI summary
The present invention relates to a one-electrode cell and series of two or more cells as a device at temperatures from below to above room temperature comprising a very high permittivity ferroelectric.In a device constituted by one or more ferroelectricity-induced superconductor cells, the cells do not have to be in physical contact with one another; one terminal can be connected to a first cell and the other connected to a third cell without physical contact between any of the three cells. With the spontaneous and dynamic alignment of the dipoles of the ferroelectric, a potential difference is induced in different points of the surface of the cell, cells or device and a current can be harvested by conductor-terminals.The present invention can be used for contactless charging of energy storage devices and as a part of several components or products.