Entropic Energy Storage Device Discharge Circuit

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Solution Overview

Problem

Current electrostatic capacitors have limitations in handling higher voltages and storing greater electrical energy, necessitating the development of energy storage devices that can be connected in series and efficiently discharge energy.

Innovation Solution

The method involves a circuit with an entropic energy storage device (EESD) comprising electrodes with a dielectric film, where a reversed polarization electric potential is applied to one electrode for discharge, and the circuit switches between a discharge mode and a high-impedance state to manage energy supply and restore entropic equilibrium without external recharging.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If electrostatic capacitors are used for energy storage, then energy discharge speed is improved, but energy storage capacity and voltage handling capability deteriorate

Engineering Contradiction:

Improveenergy discharge speedVSAvoidenergy storage capacity

Core Design Contradiction:

SpeedVSQuantity of substance

Solution Approach 1:

The capacitor is divided into multiple series-connected units, each operating at lower voltage, to achieve both high voltage handling and adequate energy storage capacity while maintaining fast discharge characteristics of electrostatic capacitors

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The dielectric film uses composite materials with high breakdown strength and high permittivity to increase energy storage capacity per unit volume while maintaining the fast discharge speed characteristic of electrostatic capacitors

Inventive Principle:

Principle #40Composite materials

2Speed

If electrostatic capacitors are used for energy storage, then energy discharge speed is improved, but voltage handling capability deteriorates

Engineering Contradiction:

Improveenergy discharge speedVSAvoidvoltage handling capability

Core Design Contradiction:

SpeedVSStrength

Solution Approach 1:

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Inventive Principle:

Principle #35Parameter changes

3Quantity of substance

If double layer capacitance is used to increase energy storage, then energy storage capacity is improved, but device complexity and manufacturing cost deteriorate

Engineering Contradiction:

Improveenergy storage capacityVSAvoiddevice complexity

Core Design Contradiction:

Quantity of substanceVSDevice complexity

Solution Approach 1:

The patent extracts only the essential feature of double layer capacitance (high surface area electrodes) while eliminating the complex manufacturing processes and expensive materials required for practical EDLC implementation

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The patent changes the approach from using complex electrochemical interfaces to using simple electrostatic fields with high-permittivity dielectric materials, achieving high energy storage capacity without the manufacturing complexity of double layer capacitors

Inventive Principle:

Principle #35Parameter changes

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 efficient energy discharge and storage with improved voltage handling and energy density, suitable for various applications including electric vehicles, by utilizing entropic materials that store energy through entropic changes driven by electrical means.

Implementation Method 1

the dielectric layer comprises an entropic material. The polymer chains in the entropic material are able to move and change conformation in response to an applied electric field, thereby allowing the entropic material to store electrical energy in the dielectric layer

Methodology Applied

Scientific EffectEntropic energy storage:

Implementation Method 2

the polymer chains in the entropic material are able to move and change conformation in response to an applied electric field, thereby allowing the entropic material to store electrical energy in the dielectric layer

Methodology Applied

Scientific EffectEntropic energy release:

Data Source

PatentUS9899846B2Entropic energy transfer methods and circuits

Publication Date: 2018.02.20 CARVER SCIENTIFIC INC

AI summary

Embodiments of methods for discharging an entropic energy storage device (EESD) that stores and releases entropic energy are disclosed. Embodiments of circuits including the EESD also are disclosed. The method includes providing a circuit including an EESD charged to a first voltage level, the EESD including first and second electrodes with a dielectric film positioned there between, the dielectric film comprising an entropic material, and the first electrode charged positively or negatively with respect to the second electrode; and applying a reversed polarization electric potential to the first electrode of the EESD in a first mode of operation of the circuit for a discharge period of time, thereby supplying power from the EESD to a load. In some embodiments, the method includes a pulsed discharge of the EESD with alternating discharge and recovery periods of time.