Battery Arrangement With Protection Structure For Corrosion Resistance

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Solution Overview

Problem

Current thin film battery designs face challenges in achieving high current output for applications like wireless data transmission due to compatibility issues and corrosion problems with existing materials, particularly with alkaline electrolytes, which limits their practical use in flexible energy storage devices.

Innovation Solution

The implementation of a battery arrangement with a protection structure between the metal electrode layer and the electrochemically active portion, utilizing a corrosion-resistant material like tin or carbon layers, and an adhesion portion to prevent electrical shorting, along with a packaging structure that includes a plastic layer and a metal electrode layer, enhances the durability and performance of the battery.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Use of energy by moving object

If alkaline electrolytes are used in zinc-manganese dioxide batteries, then energy density is improved, but corrosion resistance deteriorates

Engineering Contradiction:
Improveenergy densityVSAvoidcorrosion resistance
Core Design Contradiction:
Use of energy by moving objectVSReliability

Solution Approach 1:

A protection structure comprising a protection layer is introduced as an intermediary between the metal electrode layer and the alkaline electrolyte. This protection layer prevents direct contact between the electrolyte and the metal electrode, thereby eliminating corrosion while allowing ionic transport to maintain energy density.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The battery structure is segmented into distinct functional layers: a metal electrode layer, a protection layer, and an electrochemically active portion. This segmentation allows the protection layer to specifically address corrosion resistance without compromising the energy storage function of the electrochemically active portion.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If thin film battery designs are used for flexible energy storage, then adaptability is improved, but current output capability deteriorates

Engineering Contradiction:
ImproveflexibilityVSAvoidcurrent output
Core Design Contradiction:
Adaptability or versatilityVSPower

Solution Approach 1:

The battery employs a composite structure combining a metal electrode layer with a protection layer and electrochemically active materials. This composite design enables the thin film battery to achieve both flexibility and enhanced current output capability by optimizing the properties of each layer.

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The invention changes key parameters of the battery structure including the introduction of a protection layer with specific thickness and material properties, and optimization of the electrochemically active portion to increase surface area and ionic conductivity, thereby improving current output while maintaining flexibility.

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 configuration improves the battery's ability to handle higher currents, reduces corrosion, and prevents electrical shorting, making it suitable for flexible energy storage applications such as wireless data transmission while maintaining cost-effectiveness.

Implementation Method 1

a protection structure between the metal electrode layer and the electrochemically active portion

Methodology Applied
Scientific EffectPhysical barrier protection:

Implementation Method 2

an electrochemically active portion between the first anode/cathode and a second anode/cathode

Methodology Applied
Scientific EffectElectrochemical reaction:

Data Source

PatentEP4195330A1Battery arrangements and methods for forming battery arrangements
Publication Date: 2023.06.14 ZINERGY UK LTD
  • EP4195330A1 patent drawingFigure 1A~1B
  • EP4195330A1 patent drawingFigure 2A~2C
  • EP4195330A1 patent drawingFigure 3A~3B

AI summary

Various embodiments relate to a battery arrangement. The battery arrangement comprises a first layer arrangement connected to a first anode/cathode of an electrochemically active portion of the battery arrangement. The first layer arrangement comprises a metal electrode layer and a protection structure at least partially arranged between the metal electrode layer and the first anode/cathode. The electrochemically active portion further comprises an electrolytic portion between the first anode/cathode and a second anode/cathode of the electrochemically active portion.