Materials, manufacturing method and device for converting ambient humidity to electrical energy and uses thereof
EP4747929A1Pending Publication Date: 2026-05-27CASCATACHUVA LDA
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Patent Information
- Authority / Receiving Office
- EP · EP
- Patent Type
- Applications
- Current Assignee / Owner
- CASCATACHUVA LDA
- Filing Date
- 2024-07-02
- Publication Date
- 2026-05-27
AI Technical Summary
Technical Problem
Existing humidity-to-electricity converters have low specific power and generate intermittent, pulsed power due to unstable humidity gradients, making them unsuitable for continuous energy conversion.
Method used
A modular converter design featuring a porous matrix of compressed metal oxide nanopowder, a functional layer for creating a concentration gradient of protons and OH-groups, and carbon or metal electrode layers for continuous water vapor conversion to electrical energy.
Benefits of technology
The converter achieves continuous electrical power generation with significantly higher output voltage and current compared to prior art, capable of generating up to 39.6J of energy in one hour, and can operate in a wide range of humidity levels.
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Figure IB2024056457_23012025_PF_FP_ABST
Abstract
The present disclosure relates to a modular converter for continuous conversion of water vapor into electricity comprising: a porous matrix comprising compressed metal oxide nanopowder, wherein the porous matrix, is covered from first side by the functional layer, which partially may infuse in the porous matrix, preferably an aluminum phosphate; a layer of carbon electrode, preferably a layer of graphite on the active layer, metal or carbon current collectors on carbon electrode layer and layer of metal Au, Ag, Al, Cu, Fe, Zn, Mg, Li, Ni, Co, Ti, Zr, Sn, Cr, Y, Nb, Mo, Rd, Pt, Cd, Hf, Ta, W, C or their alloys. Schottky contact on the second side of the converter; and metal or carbon current collectors, on the layer of Schottky contact, wherein the second surface of the converter is directly opposite the first surface of the converter.
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