Patent ID: 9692045
Date: 2017-06-27
CPC Classifications: H01M,Y02E,Y10T

Claim:
1. A cell cathode compartment, comprising: a granule bed comprising metal granules, metal halide granules, and sodium halide granules; a cathode current collector comprising parallel legs extending along a longitudinal axis of the cell, each of the parallel legs connected to a positive terminal; a separator adjacent to the granule bed; a liquid electrolyte dispersed in the granule bed; and a porous absorbent disposed in the granule bed, wherein the porous absorbent is mounted to the cathode current collector between the parallel legs such that a non-peripheral portion of the porous absorbent is sandwiched between both parallel legs; wherein the porous absorbent comprises a slab having at least one patterned unit, wherein the patterned unit has one or more cuts transversely recessed towards a longitudinal axis of the slab, wherein the at least one patterned unit comprises a plurality of repeating patterned units.