POWER STORAGE AND SALT WATER CLEANING SYSTEM
An electrochemical cell may include: an anode; a porous anodic current collector; a cathode; a porous cathodic current collector; and an alkali metal-conducting separator that separates the anode from the cathode and is disposed surrounding the anodic current collector. The cathode may include seawater. A battery module may include a plurality of the electrochemical cells, and a battery may include a plurality of the battery modules.
1 . An electrochemical cell, the cell comprising:
an anode;
a porous anodic current collector;
a cathode;
a porous cathodic current collector; and
an alkali metal-conducting separator that separates the anode from the cathode and is disposed surrounding the anodic current collector,
wherein the cathode comprises seawater.
2 . The electrochemical cell of claim 1 , wherein the cell is tubular and at least one of the anodic current collector and the cathodic collector are cylindrical in shape.
3 . The electrochemical cell of claim 2 , wherein both the anodic current collector and the cathodic collector are cylindrical in shape.
4 . The electrochemical cell of claim 3 , wherein the anodic current collector is disposed within the cathodic current collector.
5 . The electrochemical cell of claim 1 , wherein the alkali metal-conducting separator is a sodium super ionic conductor film.
6 . The electrochemical cell of claim 1 , wherein the separator is disposed between, and contacts both, the anodic current collector and the cathodic current collector.
7 . The electrochemical cell of claim 1 , wherein the porous anodic current collector is a metal foam.
8 . The electrochemical cell of claim 7 , wherein the metal foam is aluminum foam.
9 . The electrochemical cell of claim 1 , wherein the anode is hard carbon.
10 . The electrochemical cell of claim 1 , wherein the porous cathodic current collector is carbon felt.
11 . The electrochemical cell of claim 1 , wherein the cell has a diameter in a range from about 5 to 25 mm.
12 . The electrochemical cell of claim 1 , wherein the cell has a length in a range from about 10 to 500 mm.
13 . The electrochemical cell of claim 1 , wherein the cell provides a voltage in a range from about 2 to 4 V.
14 . A battery module, comprising a plurality of the electrochemical cells as recited in claim 1 .
15 . The battery module of claim 14 , wherein the plurality of cells comprises a number of cells in a range from 10 to 500.
16 . The battery module of claim 14 , wherein the plurality of cells is connected in parallel.
17 . The battery module of claim 14 , wherein the battery module provides a current in a range from 100 to 700 A.
18 . The battery module of claim 14 , wherein the plurality of cells is connected by a metallic structure.
19 . The battery module of claim 14 , wherein the plurality of cells has a staggered arrangement.
20 . A battery, comprising a plurality of the modules of claim 14 .
21 . The battery of claim 20 , wherein the plurality of modules comprises a number of modules in a range from 50 to 250.
22 . The battery of claim 20 , wherein the battery modules are connected in series.
23 . The battery of claim 20 , wherein the battery has a capacity of about 0.5 MWh or more.
24 . The battery of claim 20 , wherein the battery provides a voltage in a range from about 400 to 700 V.
25 . A battery, the battery comprising a plurality of electrochemical cells, wherein each electrochemical cell comprises:
a seawater cathode; and
a sodium super ionic conductor membrane, and
wherein the battery has a capacity of 3 MWh or more.
26 . The battery according to claim 25 , wherein each electrochemical cell further comprises:
a hard carbon anode;
an aluminum foam anodic current collector; and
a carbon felt cathodic current collector.
27 . A desalination plant, comprising:
a pretreatment stage;
a filter;
a membrane; and
a seawater battery.
28 . The desalination plant of claim 27 , wherein the battery is connected to the pretreatment stage of the plant.
29 . The desalination plant of claim 27 , wherein the battery is connected after the membrane.
30 . A method of generating electrical power, the method comprising:
transporting a module to a site;
adding seawater to the module at the site to provide a battery; and
generating electrical power with the battery,
wherein the module comprises all of the components of the battery except for the cathode.
31 . A method of desalinating seawater, the method comprising:
flowing the seawater through a battery; and
charging the battery with the seawater,
wherein the battery comprises a plurality of electrochemical cells as recited in claim 1 , wherein the separator is made of a sodium super ionic conductor membrane.
32 . The method according to claim 31 , wherein each electrochemical cell further comprises:
a hard carbon anode;
an aluminum foam anodic current collector; and
a carbon felt cathodic current collector.
33 . The method according to claim 31 , wherein the battery has a capacity of 1 MWh or more.
34 . The method of claim 31 , wherein the battery desalinates the seawater before the seawater is passed through a desalination membrane.
35 . The method of claim 31 , wherein the battery desalinates the seawater after the seawater is passed through a desalination membrane.