Passive carbon-oxygen battery system and method of use thereof
US-2025323292-A1 · Oct 16, 2025 · US
Decoupled electrode electrochemical energy storage system
US2025183341A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2025183341-A1 |
| Application number | US-202418971608-A |
| Country | US |
| Kind code | A1 |
| Filing date | Dec 6, 2024 |
| Priority date | May 6, 2020 |
| Publication date | Jun 5, 2025 |
| Grant date | — |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
Systems and methods of the various embodiments may provide decoupled electrode electrochemical energy storage systems.
First claim
Opening claim text (preview).
1 . An energy storage system comprising: a metal flow passage; metal pellets; one or more air electrodes; and one or more separators separating the metal flow passage from the one or more air electrodes, the metal pellets flowable through the metal flow passage past the one or more air electrodes. 2 . The system of claim 1 , wherein the metal pellets include iron. 3 . The system of claim 1 , wherein the iron includes direct reduced iron (DRI). 4 . The system of claim 1 , wherein the metal pellets are porous. 5 . The system of claim 1 , further comprising one or more electrolyte flow passages. 6 . The system of claim 5 , wherein an electrolyte is flowable between the metal pellets and the one or more air electrodes via the one or more electrolyte flow passages. 7 . The system of claim 1 , wherein the one or more air electrodes includes a bifunctional electrode. 8 . The system of claim 1 , wherein the one or more air electrodes includes an oxygen reduction reaction (ORR) electrode and an oxygen evolution reaction (OER) electrode. 9 . The system of claim 1 , wherein the one or more air electrodes are electrically isolated from the metal pellets as the metal pellets flow through the metal flow passage. 10 . The system of claim 9 , wherein the one or more separators include a porous insulating layer.
Assignees
Inventors
Classifications
- H01M8/146Primary
Fuel cells with molten hydroxide · CPC title
of iron for aqueous cells · CPC title
Carbon-based electrodes · CPC title
Oxides, hydroxides or oxygenated metallic salts · CPC title
Metals or alloys (H01M4/92 takes precedence) · CPC title
Patent family
Related publications grouped by family.
External sources
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US2025183341A1 cover?
- Systems and methods of the various embodiments may provide decoupled electrode electrochemical energy storage systems.
- Who is the assignee on this patent?
- Form Energy Inc
- What technology area does this patent fall under?
- Primary CPC classification H01M8/146. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Jun 05 2025 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). 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).