Hybrid solid-state cell with a sealed anode structure
A monolithic ceramic electrochemical cell housing is provided. The housing includes two or more electrochemical sub cell housings. Each of the electrochemical sub cell housing includes an anode receptive space, a cathode receptive space, a separator between the anode receptive space and the cathode receptive space, and integrated electron conductive circuits. A first integrated electron conductive circuit is configured as an anode current collector within the anode receptive space. A second integrated electron conductive circuit is disposed as a cathode current collector within the cathode receptive space.
1. A monolithic ceramic electrochemical cell housing comprising:
at least two electrochemical sub cell housings, each of the at least two electrochemical sub cell housings include an anode receptive space, a cathode receptive space, a separator between the anode receptive space and the cathode receptive space, and a plurality of integrated electron conductive circuits;
wherein a first integrated electron conductive circuit of the plurality of integrated electron conductive circuits is configured as an anode current collector within the anode receptive space and a second integrated electron conductive circuit of the plurality of integrated electron conductive circuits is disposed as a cathode current collector within the cathode receptive space,
wherein the cathode layer includes a filling aperture configured to contain catholyte, the filling aperture including a seal and wherein the seal is configured to isolate the catholyte and provide pressure relief from the cathode receptive spaces.
2. The monolithic ceramic electrochemical cell housing of claim 1 , wherein the anode receptive spaces are configured as hermetically sealed volumes, partially filled with a solid-state electrolyte.
3. The monolithic ceramic electrochemical cell housing of claim 2 , wherein the solid-state electrolyte includes a ceramic.
4. The monolithic ceramic electrochemical cell housing of claim 3 , wherein the ceramic is selected from a group consisting of: borides, carbides, nitrides, phosphides, oxides, selinides, fluorides, chlorides, bromides, iodides, and combinations thereof.
5. The monolithic ceramic electrochemical cell housing of claim 2 , wherein the solid-state electrolyte forms a network of continuous ionic conductivity between the separator and the anode current collector.
6. The monolithic ceramic electrochemical cell housing of claim 5 , wherein the solid-state electrolyte occupies between 20% and 80% volume of the anode receptive spaces.
7. The monolithic ceramic electrochemical cell housing of claim 1 , wherein the anode current collector serves as current collector for the anode receptive spaces of the at least one electrochemical sub cell housing and second anode receptive spaces of the second electrochemical sub cell housing of the at least two electrochemical sub cell housings.
8. The monolithic ceramic electrochemical cell housing of claim 1 , wherein the cathode receptive spaces are partially filled with strands of ceramic material between 1% and 60% volume.
9. The monolithic ceramic electrochemical cell housing of claim 1 , further comprising insulating material between each of the at least two electrochemical sub cell housings.
10. The monolithic ceramic electrochemical cell housing of claim 1 , wherein the anode receptive spaces are filled with anode active material during an initial charging phase.
11. The monolithic ceramic electrochemical cell housing of claim 1 , wherein the anode receptive spaces are sealed and the cathode receptive spaces are partially sealed.
12. The monolithic ceramic electrochemical cell housing of claim 1 , further comprising an anode electrical contact connecting a plurality of anode sub-cell current collectors and a cathode electrical contact connecting a plurality of cathode sub-cell current collectors.