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Microbial batteries with re-oxidizable solid-state electrodes for conversion of chemical potential energy into electrical energy
US9509028B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9509028-B2 |
| Application number | US-201314430500-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 2, 2013 |
| Priority date | Oct 2, 2012 |
| Publication date | Nov 29, 2016 |
| Grant date | Nov 29, 2016 |
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Abstract
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A microbial battery is provided. At the anode, microbial activity provides electrons to an external circuit. The cathode is a solid state composition capable of receiving the electrons from the external circuit and changing from an oxidized cathode composition to a reduced cathode composition. Thus, no external source of oxygen is needed at the cathode, unlike conventional microbial fuel cells. The cathode can be removed from the microbial battery, re-oxidized in a separate oxidation process, and then replaced in the microbial battery. This regeneration of the cathode amounts to recharging the microbial battery.
First claim
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The invention claimed is: 1. A method for converting chemical energy to electrical energy, the method comprising: providing a microbial battery comprising: an anode configured such that microbial activity at the anode provides electrons to an external circuit; a cathode configured to receive the electrons from the external circuit and change its composition from an oxidized cathode composition to a reduced cathode composition; and a reaction chamber, wherein the anode and th…
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Frequently asked questions
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- What does patent US9509028B2 cover?
- A microbial battery is provided. At the anode, microbial activity provides electrons to an external circuit. The cathode is a solid state composition capable of receiving the electrons from the external circuit and changing from an oxidized cathode composition to a reduced cathode composition. Thus, no external source of oxygen is needed at the cathode, unlike conventional microbial fuel cells.…
- Who is the assignee on this patent?
- Univ Leland Stanford Junior
- What technology area does this patent fall under?
- Primary CPC classification H01M12/08. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Nov 29 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).