Electrolysis system

Patent metadata

Field	Value
Publication number	US-2024175146-A1
Application number	US-202318518593-A
Country	US
Kind code	A1
Filing date	Nov 23, 2023
Priority date	Nov 30, 2022
Publication date	May 30, 2024
Grant date	—

Abstract

An electrolysis system is provided in some embodiments of the present disclosure, including an anode reaction chamber, a cathode reaction chamber and a spacer. The anode reaction chamber includes an anode reaction solution and an anode immersed in the anode reaction solution, in which the anode reaction solution includes an iodide ion, and a material of the anode includes a carbon material. The cathode reaction chamber includes a cathode reaction solution and a cathode immersed in the cathode reaction solution, in which the cathode reaction solution includes a hydrogen ion. The spacer separates the anode reaction chamber and the cathode reaction chamber, in which the spacer allows a cation or an anion to pass through, so that the anode reaction chamber and the cathode reaction chamber are electrically connected to each other.

First claim

What is claimed is:

1 . An electrolysis system, comprising:
an anode reaction chamber, comprising an anode reaction solution and an anode immersed in the anode reaction solution, wherein the anode reaction solution includes an iodide ion, and a material of the anode includes a carbon material, and the anode reaction chamber performs an iodide oxidation reaction; a cathode reaction chamber, comprising a cathode reaction solution and a cathode immersed in the cathode reaction solution, wherein the cathode reaction solution includes a hydrogen ion; and a spacer, separating the anode reaction chamber and the cathode reaction chamber, wherein the spacer allows a cation or an anion to pass through; the anode reaction chamber and the cathode reaction chamber are electrically connected to each other.

2 . The electrolysis system of claim 1 , wherein the material of the anode is made of the carbon material.

3 . The electrolysis system of claim 1 , wherein the anode comprises an anode body and an anode catalyst layer disposed on the anode body, wherein a material of the anode body or the anode catalyst layer includes the carbon material.

4 . The electrolysis system of claim 1 , wherein the carbon material comprises a carbon fiber paper, a conductive carbon, a carbon cloth, a graphite, a carbon sphere or a combination thereof.

5 . The electrolysis system of claim 1 , wherein the carbon material is not subjected to surface modification treatment or is subjected to surface modification treatment.

6 . The electrolysis system of claim 1 , wherein the anode reaction solution comprises a first solute and a second solute.

7 . The electrolysis system of claim 6 , wherein the first solute comprises metal iodide, and the second solute comprises perchloric acid, perchlorate, metal hydroxide, or a combination thereof.

8 . The electrolysis system of claim 6 , wherein a concentration of the first solute in the anode reaction solution is in a range of from 5×104 M to 2 M, and a concentration of the second solute in the anode reaction solution is in a range of from 0.05 M to 2 M.

9 . The electrolysis system of claim 1 , wherein comparing with oxygen, the iodide ion, an iodine molecule, a triiodide ion or a combination thereof is less available to pass through the spacer.

10 . The electrolysis system of claim 1 , wherein the spacer comprises a perfluorosulfonic acid membrane, a sulfonated chitosan membrane, a cross-linked graphene oxide membrane, or a combination thereof.

11 . An electrolysis system, comprising:
an anode reaction chamber, comprising an anode reaction solution and an anode immersed in the anode reaction solution, wherein the anode reaction solution includes an iodide ion, and a material of the anode is made of a carbon material, and the anode reaction chamber performs an iodide oxidation reaction; and a cathode reaction chamber, comprising a cathode reaction solution and a cathode immersed in the cathode reaction solution, wherein the cathode reaction solution includes a hydrogen ion.

12 . The electrolysis system of claim 11 , further comprising:
a spacer, separating the anode reaction chamber and the cathode reaction chamber, wherein the spacer allows a cation or an anion to pass through, so that the anode reaction chamber and the cathode reaction chamber are electrically connected to each other.

13 . The electrolysis system of claim 11 , wherein the carbon material comprises a carbon fiber paper, a conductive carbon, a carbon cloth, a graphite, a carbon sphere or a combination thereof.

14 . The electrolysis system of claim 11 , wherein a material of the cathode comprises platinum.

15 . The electrolysis system of claim 11 , wherein the anode reaction chamber further comprises a reference electrode immersed in the anode reaction solution.

Assignees

• Univ Nat Taiwan Science & Technology
• Benq Materials Corp

Inventors

• Hwang Bing-Joe
• Wang Di-Yan
• Su Wei-Nien
• Tsai Meng-Che
• Peng Shih-Mao
• Yang Sheng-Chiang

Classifications

• C25B1/46

  in diaphragm cells · CPC title

• C25B1/24

  Halogens or compounds thereof · CPC title

• C25B1/02

  Hydrogen or oxygen · CPC title

• C25B11/075

  consisting of a single catalytic element or catalytic compound · CPC title

• C25B13/08

  based on organic materials · CPC title