Solid-State Energy Storage Device Thermal Insulation Aerosol Generator

Solution Overview

Problem

Existing aerosol generating devices face challenges in reducing their size and weight due to the need for thermal insulation between the heater and energy storage devices, which occupies valuable space.

Innovation Solution

Incorporating a solid-state energy storage device between the heater and the main power source, which acts as both a thermal insulator and an additional energy storage unit, thereby reducing the need for air insulating spaces and allowing for a more compact design.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If air insulating spaces or insulating material are used between the heater and energy storage device, then thermal insulation is improved, but device volume and weight increase

Engineering Contradiction:

Improvethermal insulationVSAvoiddevice volume

Core Design Contradiction:

ReliabilityVSVolume of stationary object

Solution Approach 1:

The solid-state energy storage device serves dual functions: it stores energy and provides thermal insulation between the heater and the main energy storage device. This multi-functionality eliminates the need for separate insulating structures, thereby reducing overall device volume while maintaining thermal protection.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines the insulation function with the energy storage function by positioning the solid-state energy storage device between the heater and the main energy storage device. This merging of functions allows the same component to perform both thermal protection and energy storage, reducing the number of separate components needed.

Inventive Principle:

Principle #5Merging (Combining)

2Reliability

If air insulating spaces or insulating material are used between the heater and energy storage device, then thermal insulation is improved, but device weight increases

Engineering Contradiction:

Improvethermal insulationVSAvoiddevice weight

Core Design Contradiction:

ReliabilityVSWeight of stationary object

Solution Approach 1:

The solid-state energy storage device serves dual functions: it stores energy and provides thermal insulation between the heater and the main energy storage device. This multi-functionality eliminates the need for separate insulating structures, thereby reducing overall device weight while maintaining thermal protection.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines the insulation function with the energy storage function by positioning the solid-state energy storage device between the heater and the main energy storage device. This merging of functions allows the same component to perform both thermal protection and energy storage, reducing the number of separate components needed and overall weight.

Inventive Principle:

Principle #5Merging (Combining)

3Volume of stationary object

If solid-state energy storage device is positioned between heater and main energy storage device, then device volume is reduced, but thermal management complexity increases

Engineering Contradiction:

Improvedevice volumeVSAvoidthermal management complexity

Core Design Contradiction:

Volume of stationary objectVSDevice complexity

Solution Approach 1:

The solid-state energy storage device inherently provides thermal insulation due to its physical position and material properties. It automatically protects the main energy storage device from heat without requiring additional active thermal management systems, controllers, or complex mechanisms, thereby simplifying the overall thermal management architecture.

Inventive Principle:

Principle #25Self-service

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 configuration reduces the overall size and weight of the aerosol generating device while maintaining high thermal stability, allowing for efficient heating of aerosol generating material without the need for extensive thermal insulation.

Implementation Method 1

the second energy storage device is a solid-state energy storage device... physically positioned between the heater and the first energy storage device... acts as both a thermal insulator

Methodology Applied

Scientific EffectThermal insulation: Thermal Insulation

Implementation Method 2

heater adapted to heat aerosol generating material... heating the aerosol generating material to a temperature typically in the range 150°C to 300°C

Methodology Applied

Scientific EffectHeating: Heating

Data Source

PatentEP4563018A1Aerosol generating device

Publication Date: 2025.06.04 JT INTERNATIONAL SA

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Figure 4A~4B

AI summary

An aerosol generating device (10) is described. The aerosol generating device (10) includes a heater (36) adapted to heat aerosol generating material and a first energy storage device (22). A second energy storage device (42) is located between the heater (36) and the first energy storage device (22). The second energy storage device (42) is a solid-state energy storage device which is tolerant to the high temperatures generated by the heater (36) when the aerosol generating material is being heated.