Christopher F Graves

US Patent:

20220205121, Jun 30, 2022

Filed:

Apr 3, 2020

Appl. No.:

17/599649

Inventors:

- Gadstrup, DK
Christopher Ronald Graves - Palo Alto CA, US
Mogens Bjerg Mogensen - Lynge, DK

Assignee:

DynElectro ApS - Gadstrup

International Classification:

C25B 15/025
C25B 1/04
C25B 1/23
C25B 9/65
H01M 8/0656

Abstract:

This invention relates to a system comprising one or more electrolysis cell(s) and at least one power electronic unit that supplies the cell(s) with a fluctuating voltage, and to a method for operating one or more electrolysis cell(s), comprising providing one or more voltage fluctuations to the electrolysis cell(s) by at least one power electronic unit, enabling the provision of a low-cost electrolysis system which simultaneously allows for fast-response dynamic operation, improved electrolysis efficiency, increased lifetime and high impurity tolerance.

US Patent:

20200358123, Nov 12, 2020

Filed:

Jan 17, 2019

Appl. No.:

16/962701

Inventors:

Christopher Ronald GRAVES - Palo Alto CA, US

International Classification:

H01M 8/18
H01M 8/04082
H01M 8/0656
H01M 8/0668

Abstract:

The invention relates to a rechargeable battery system comprising: at least one electrochemical cell adapted for in charge mode to convert one or more gaseous electrochemical reaction reactant(s) into one or more gaseous electrochemical reaction product(s) at least one storage arrangement for storing said gaseous electrochemical reaction reactants and products, wherein at least one of the gaseous electrochemical reaction product(s) is converted to and stored as at least one chemical reaction product(s) where said chemical reaction product(s) has a lower gas pressure upon formation than the corresponding gaseous electrochemical reaction product(s) a first fluid communication system between the at least one cell and the at least one storage arrangement wherein the first fluid communication system is configured to form a closed system within the battery system, whereby the battery system is adapted to generate an automatic gas flow between the at least one storage arrangement and cell