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US 12,616,952 B2Granted
Aluminum base lithium ion adsorbent, method for preparing same by liquid-phase precipitation
AssigneeBYD Company Limited
InventorsMinghao Wang, Junlan Lian, Hongye Lin
Life of this patent
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Abstract
A lithium ion adsorbent includes a material having a chemical formula of LiCl·2Al(OH)3·nH2O. n is an integer from 1 to 3, a specific surface area of the lithium ion adsorbent is 20-36 m2/g, an average pore diameter of the lithium ion adsorbent is 20-35 nm, a total pore volume of the lithium ion adsorbent is 0.15-0.32 mL/g, a D10 of the lithium ion adsorbent is 3-12 μm, a D50 of the lithium ion adsorbent is 12-22 μm, and a D90 of the lithium ion adsorbent is 20-40 μm.
Claims4
A lithium ion adsorbent, comprising:
- a material having a chemical formula of LiCl·2Al(OH)3·nH2O, wherein:
- n is an integer from 1 to 3;
- a specific surface area of the lithium ion adsorbent is 20-36 m2/g;
- an average pore diameter of the lithium ion adsorbent is 20-35 nm;
- a total pore volume of the lithium ion adsorbent is 0.15-0.32 mL/g;
- a D10 of the lithium ion adsorbent is 3-12 μm;
- a D50 of the lithium ion adsorbent is 12-22 μm;
- and
- a D90 of the lithium ion adsorbent is 20-40 μm.
6 more elements
A lithium ion adsorbent, comprising:
- a material having a chemical formula of LiCl·2Al (OH)3·nH2O, wherein:
- n is an integer from 1 to 3:
- a specific surface area of the lithium ion adsorbent is 20-36 m/g;
- an average pore diameter of the lithium ion adsorbent is 20-35 nm;
- a total pore volume of the lithium ion adsorbent is 0.15-0.32 mL/g;
- a D10 of the lithium ion adsorbent is 3-12 μm;
- a D50 of the lithium ion adsorbent is 12-22 μm;
- and
- a D90 of the lithium ion adsorbent is 20-40 μm,
- wherein;
- a lithium ion adsorption capacity of the lithium ion adsorbent is 3-10 mg/g;
- a lithium ion desorption rate of the lithium ion adsorbent is 95-100%;
- when the lithium ion adsorbent is used for adsorbing lithium ions in a brine including magnesium and lithium, a ratio of a mass ratio of magnesium to lithium in the brine to a mass ratio of magnesium to lithium in a desorption solution is 18-68:1;
- a content of the material having the chemical formula of LiCl·2Al(OH)3·nH2O in the lithium ion adsorbent is 95-100% by weight, and
- wherein:
- the lithium ion adsorption capacity of the lithium ion adsorbent is 8-10 mg/g;
- the lithium ion desorption rate of the lithium ion adsorbent is 98-99%.
14 more elements
Dependencies are inferred from the claim text.