US 11,905,503 B2
Electromethanogenesis reactor
Jennifer Marie Knipe, Oakland, CA (US); Sarah E. Baker, Dublin, CA (US); Marcus A. Worsley, Hayward, CA (US); and Swetha Chandrasekaran, Dublin, CA (US)
Assigned to Lawrence Livermore National Security, LLC, Livermore, CA (US)
Filed by LAWRENCE LIVERMORE NATIONAL SECURITY, LLC, Livermore, CA (US)
Filed on Aug. 3, 2021, as Appl. No. 17/392,935.
Application 17/392,935 is a division of application No. 15/949,378, filed on Apr. 10, 2018, granted, now 11,111,468.
Prior Publication US 2021/0363473 A1, Nov. 25, 2021
Int. Cl. C12M 1/107 (2006.01); C12M 1/42 (2006.01); C12P 5/02 (2006.01); C12M 1/00 (2006.01); C12N 13/00 (2006.01)
CPC C12M 21/04 (2013.01) [C12M 23/34 (2013.01); C12M 35/02 (2013.01); C12P 5/023 (2013.01); C12N 13/00 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A method of generating energy and storing the energy for subsequent use, comprising the steps of:
providing an electromethanogenesis reactor,
providing an anode electrode conductor in said reactor,
providing a cathode electrode conductor in said reactor wherein said cathode electrode conductor is a 3D printed cathode electrode conductor with cubic lattices having ten orthogonal layers of parallel cylindrical rods,
providing submicron to micron scale pores in said cathode electrode conductor,
providing electromethanogenesis enzymes in said submicron to micron scale pores in said cathode electrode conductor,
providing electromethanogenesis microbes in said submicron to micron scale pores in said cathode electrode conductor,
providing a carbon dioxide source for introducing carbon dioxide into said reactor,
providing an electrical load connected to said anode electrode conductor and said cathode electrode conductor and producing electromethanogenesis of said carbon dioxide into a fuel gas, and
storing said fuel gas for subsequent use.