Melanin Solid-State Battery Light Energy Conversion
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Solution Overview
Problem
Conventional batteries require recharging or connection to a power source and contribute to environmental pollution, while solar cells are inefficient and require crystalline polysilicon, and fuel cells need a continuous hydrogen source.
Innovation Solution
A solid-state battery using nanomaterials embedded with melanin that absorbs light energy to catalyze water dissociation into hydrogen and oxygen, allowing for chemical energy storage without recharging or external power sources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If conventional batteries are used, then portable power is provided, but they require recharging or connection to a power source and cause environmental pollution
Solution Approach 1:
The melanin battery is self-charging through light absorption. The melanin pigment naturally absorbs ambient light (visible and invisible) and uses this energy to drive water dissociation and back-bonding reactions, continuously generating electrical energy without requiring external power sources or recharging infrastructure.
Solution Approach 2:
The invention changes the energy source parameter from chemical storage (conventional batteries) to light energy conversion (melanin battery). By incorporating melanin pigment that absorbs broad-spectrum light and converts it to electrical energy through water molecule dissociation, the system achieves continuous energy generation without the pollution and recharging limitations of conventional batteries.
2Use of energy by moving object
If solar cells are used, then light energy is converted to electricity, but efficiency is low and crystalline polysilicon is required
Solution Approach 1:
The invention replaces expensive, complex crystalline polysilicon solar cells with melanin pigment, which is abundant, inexpensive, and requires no complex manufacturing. The melanin can be derived from natural sources or synthesized through simple chemical processes, making the energy conversion device much easier and cheaper to manufacture.
Solution Approach 2:
The invention uses melanin pigment as a composite material that combines light absorption, catalysis, and electrical energy generation functions. The melanin works with water molecules in a photoelectrochemical system, creating a composite approach that achieves efficient light-to-electricity conversion without requiring the complex crystalline structures of conventional solar cells.
3Power
If fuel cells are used, then hydrogen and oxygen combine to produce electrical current, but a continuous hydrogen source is required
Solution Approach 1:
The melanin battery is self-sustaining by using ambient light energy to continuously generate hydrogen and oxygen through water dissociation. The system then immediately consumes these gases in back-bonding reactions to produce electrical current, eliminating the need for external hydrogen storage or supply infrastructure.
Solution Approach 2:
The invention creates a continuous cycle where light absorption drives water dissociation to produce hydrogen and oxygen, which then immediately react in fuel cell reactions to generate electricity. This continuous loop of dissociation and back-bonding ensures uninterrupted power generation without requiring external fuel replenishment.
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
The melanin-based battery generates chemical energy from light, eliminating the need for recharging and reducing environmental impact, with efficient hydrogen production and stable operation.
Implementation Method 1
the battery that is obtains the requisite energy from the surrounding light (visible and invisible) and transforms this light energy into chemical energy
Implementation Method 2
A solid-state battery using nanomaterials embedded with melanin that absorbs light energy to catalyze water dissociation into hydrogen and oxygen
Implementation Method 3
transforms this light energy into chemical energy by dissociation and back-bonding of the water molecule
Data Source
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AI summary
A solid-state battery is provided. The battery includes a melanin structure formed of at least one melanin material embedded in an inert material, and first and second metal bands which serve as first and second electrodes, respectively. The melanin material is selected from the group consisting of melanin, melanin precursors, melanin derivatives, melanin analogs and melanin variants. The solid-state battery does not need to be recharged or reloaded.