US 12,249,727 B2
System and method for storage and withdrawal of electrical energy from a subterranean environment
Kenneth Wayne Nix, III, Midland, TX (US); and Ryan Patrick Edwards, Midland, TX (US)
Filed by Kenneth Wayne Nix, III, Midland, TX (US); and Ryan Patrick Edwards, Midland, TX (US)
Filed on Mar. 13, 2023, as Appl. No. 18/120,576.
Claims priority of provisional application 63/319,293, filed on Mar. 12, 2022.
Prior Publication US 2023/0291053 A1, Sep. 14, 2023
Int. Cl. H01M 50/251 (2021.01); H01M 10/613 (2014.01); H01M 10/64 (2014.01); H01M 10/6556 (2014.01); H01M 50/204 (2021.01)
CPC H01M 50/251 (2021.01) [H01M 10/613 (2015.04); H01M 10/64 (2015.04); H01M 10/6556 (2015.04); H01M 50/204 (2021.01)] 20 Claims
OG exemplary drawing
 
1. A subterranean energy storage and retrieval system, the system comprising:
a wellbore including a wellbore casing;
a length of tubing disposed within the wellbore casing;
one or more battery cells installed within the length of tubing; and
an electrical connection attached to the one or more battery cells and extending to a surface of the wellbore,
wherein the length of tubing isolates the one or more battery cells from an interior of the wellbore casing.