公开(公告)号：US20230029726A1

公开(公告)日：2023-02-02

申请号：US17883850

申请日：2022-08-09

Applicant: Mangrove Water Technologies LTD.

Inventor： Saad Dara ,  Beniamin Zahiri

IPC: C25B9/23 ,  C25B11/032 ,  C25B11/052 ,  C25B9/21 ,  B01D61/46 ,  B01D69/02 ,  C01D15/02 ,  C01D15/04 ,  C01D15/08 ,  C01F5/24 ,  C01F11/18 ,  C02F1/461 ,  C02F1/469 ,  C25B1/16 ,  C25C1/02 ,  C25C7/02 ,  C25C7/04

Abstract: In this disclosure, a process of recycling acid, base and the salt reagents required in the Li recovery process is introduced. A membrane electrolysis cell which incorporates an oxygen depolarized cathode is implemented to generate the required chemicals onsite. The system can utilize a portion of the salar brine or other lithium-containing brine or solid waste to generate hydrochloric or sulfuric acid, sodium hydroxide and carbonate salts. Simultaneous generation of acid and base allows for taking advantage of both chemicals during the conventional Li recovery from brines and mineral rocks. The desalinated water can also be used for the washing steps on the recovery process or returned into the evaporation ponds. The method also can be used for the direct conversion of lithium salts to the high value LiOH product. The method does not produce any solid effluent which makes it easy-to-adopt for use in existing industrial Li recovery plants.

公开(公告)号：US11549188B2

公开(公告)日：2023-01-10

申请号：US17243303

申请日：2021-04-28

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Kuo-Hsin Lin ,  Hsiao-Chun Huang ,  Li-Duan Tsai ,  Hao-Ming Chen

IPC: C25B11/052 ,  C25B1/04 ,  C25B11/031 ,  C25B9/19

Abstract: A membrane electrode assembly includes a first electrode, a second electrode, and an anion exchange membrane disposed between the first electrode and the second electrode. The first electrode includes a first metal mesh, a first catalyst layer wrapping the first metal mesh, a second metal mesh, and a second catalyst layer wrapping the second metal mesh. The first metal mesh is disposed between the anion exchange membrane and the second metal mesh. The second metal mesh is thicker than the first metal mesh, and the first catalyst layer is thicker than the second catalyst layer. The second catalyst layer is iron, cobalt, manganese, zinc, niobium, molybdenum, ruthenium, platinum, gold, or aluminum. The second catalyst layer is crystalline.

公开(公告)号：US11519085B2

公开(公告)日：2022-12-06

申请号：US17416413

申请日：2019-12-19

Applicant: Mangrove Water Technologies LTD.

Inventor： Saad Dara ,  Benjamin Zahiri

IPC: C01D7/00 ,  C25B1/14 ,  C25B9/23 ,  C25B11/032 ,  C25B11/052 ,  C25B9/21 ,  B01D61/46 ,  B01D69/02 ,  C01D15/02 ,  C01D15/04 ,  C01D15/08 ,  C01F5/24 ,  C01F11/18 ,  C02F1/461 ,  C02F1/469 ,  C25B1/16 ,  C25C1/02 ,  C25C7/02 ,  C25C7/04 ,  C02F101/10 ,  C02F103/08 ,  C02F103/10

Abstract: In this disclosure, a process of recycling acid, base and the salt reagents required in the Li recovery process is introduced. A membrane electrolysis cell which incorporates an oxygen depolarized cathode is implemented to generate the required chemicals onsite. The system can utilize a portion of the salar brine or other lithium-containing brine or solid waste to generate hydrochloric or sulfuric acid, sodium hydroxide and carbonate salts. Simultaneous generation of acid and base allows for taking advantage of both chemicals during the conventional Li recovery from brines and mineral rocks. The desalinated water can also be used for the washing steps on the recovery process or returned into the evaporation ponds. The method also can be used for the direct conversion of lithium salts to the high value LiOH product. The method does not produce any solid effluent which makes it easy-to-adopt for use in existing industrial Li recovery plants.

公开(公告)号：US11459664B2

公开(公告)日：2022-10-04

申请号：US16632602

申请日：2018-07-20

Applicant: Temple University-Of The Commonwealth System of Higher Education

Inventor： Daniel R. Strongin ,  Akila C. Thenuwara

IPC: B01J23/28 ,  B01J23/75 ,  B01J23/882 ,  B01J27/19 ,  C25B11/052 ,  C25B11/061 ,  C25B11/075 ,  C25B1/04 ,  C25B1/50 ,  C25D9/08 ,  H01L31/0224 ,  H01M4/90 ,  B01J37/02

Abstract: Novel multi-metal catalysts comprising abundant Earth metals are described herein. Devices comprising the catalysts of the invention are also described.
Methods of producing the catalysts are also described herein.
Methods of producing hydrogen using the catalysts of the invention are also described herein.

公开(公告)号：US20220127734A1

公开(公告)日：2022-04-28

申请号：US17451133

申请日：2021-10-15

Applicant: SHAANXI UNIVERSITY OF SCIENCE & TECHNOLOGY

Inventor： Jianfeng HUANG ,  Guojuan HAI ,  Liyun CAO ,  Liangliang FENG

IPC: C25B11/052 ,  C25B1/04 ,  C25B11/031 ,  C25B11/061 ,  C25B11/091

Abstract: The present disclosure relates to a W18O49/CoO/NF self-supporting electrocatalytic material and a preparation method thereof, the W18O49/CoO/NF self-supporting electrocatalytic material comprises: a foamed nickel substrate, and a W18O49/CoO composite nano material generated on the foamed nickel substrate in situ; preferably, wherein the W18O49/CoO composite nano material comprises CoO nanosheets attached directly to the foamed nickel substrate, and W18O49 nanowires attached to the nanosheets.

公开(公告)号：US20220090271A1

公开(公告)日：2022-03-24

申请号：US17433613

申请日：2020-12-11

Applicant: SOUTHWEST UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Wenkun ZHU ,  Rong HE ,  Yi LI ,  Tao DUAN ,  Jia LEI ,  Tao CHEN ,  Fan YANG

IPC: C25B1/01 ,  C25B11/052 ,  C25B11/065 ,  C25B11/077 ,  C01G15/00

Abstract: A method for electrochemical extraction of uranium from seawater using an oxygen vacancy (OV)-containing metal oxide includes the following steps: adding glycerin to a solution of indium nitrate in isopropanol, transferring a resulting mixture to a reactor, and conducting reaction to obtain a spherical indium hydroxide solid; dissolving the solid in deionized water, transferring a resulting solution to the reactor, and conducting reaction to obtain a flaky indium hydroxide solid; calcining the solid to obtain calcined OV-containing In2O3-x; adding the In2O3-x; to ethanol, and adding a membrane solution; coating a resulting solution uniformly on carbon paper, and naturally drying the carbon paper; clamping dried carbon paper with a gold electrode for being used as a working electrode for a three-electrode system; and adding simulated seawater to an electrolytic cell, placing the three-electrode system in the simulated seawater, and stirring the simulated seawater for electrolysis to extract uranium from the seawater.

公开(公告)号：US20210363650A1

公开(公告)日：2021-11-25

申请号：US17054669

申请日：2019-05-19

Applicant: B. G. NEGEV TECHNOLOGIES & APPLICATIONS LTD., AT BEN-GURION UNIVERSITY

Inventor： Eliyaho KORIN ,  Armand BETTELHEIM ,  Lior FRIMET ,  Amir KAPLAN ,  Yanir KADOSH

IPC: C25B3/23 ,  H01M8/0656 ,  H01M8/1011 ,  C25B3/07 ,  C25B9/17 ,  C25B11/052 ,  C25B11/091 ,  C25B11/061 ,  C25B11/053 ,  C25B11/065 ,  C25B11/095 ,  C25B15/08 ,  H01M8/1007 ,  H01M4/86 ,  H01M4/90 ,  H01M4/88

Abstract: This invention provides an electrochemical system for manufacturing methanol from methane in good yields and without admixtures of methanol oxidation products. A fuel cell for methane or methanol utilization is also provided.

公开(公告)号：US20210355588A1

公开(公告)日：2021-11-18

申请号：US17282156

申请日：2019-09-27

Applicant: The Regents of the University of California

Inventor： Shaowei Chen ,  Bingzhang Lu ,  Lin Guo ,  Yi Peng ,  Jia-En Lu

IPC: C25B11/091 ,  C25B1/04 ,  C25B11/061 ,  C25B11/052

Abstract: A catalyst nanocomposite and methods of making the same. The catalyst nanocomposite includes a substrate; and a coating disposed on the substrate, the coating having a ruthenium and nitrogen co-doped carbon matrix. The coating may be melamine and formaldehyde and produced via pyrolizing the melamine and formaldehyde on a nanowire made of metals such as tellurium.

公开(公告)号：US20250043437A1

公开(公告)日：2025-02-06

申请号：US18365962

申请日：2023-08-04

Applicant: Phase Two Chemicals Inc.

Inventor： Ming Qi ,  Mengqi Zhang ,  Steven Goebel ,  Jon Owejan ,  Alan Pezeshki ,  Asa Roy

IPC: C25B1/30 ,  C25B1/50 ,  C25B11/052 ,  C25B11/056 ,  C25B11/065 ,  C25B11/095 ,  C25B15/08

Abstract: Some aspects of the present disclosure are generally directed to systems for electrochemically generating compounds, for example, for generating hydrogen peroxide or other applications. In some cases, the systems may include electrodes containing a substrate comprising non-woven fibers comprising carbon, PTFE particles on the substrate, and/or an active material, for example, carbon particles, on the substrate and/or the PTFE. In some embodiments, the systems may generate and/or flow a two-phase solution over and/or through at least a portion of an electrode. Some systems using the electrode structures and/or two-phase solution may promote the formation of three-phase boundaries, and thus may facilitate the electrocatalytic generation of certain compounds at the three-phase boundaries. Still other aspects are directed to methods of making and/or using the systems, or the like.

公开(公告)号：US20250034728A1

公开(公告)日：2025-01-30

申请号：US18715196

申请日：2022-08-25

Applicant: Sumitomo Electric Industries, Ltd.

Inventor： Takahiro HIGASHINO ,  Kazuki OKUNO ,  Hiromasa TAWARAYAMA ,  Akihisa HOSOE ,  Soichiro OKUMURA

IPC: C25B11/031 ,  C25B11/052 ,  C25B11/075

Abstract: An electrode includes a metal porous-body sheet formed of a metal porous body having a skeleton, the skeleton having a three-dimensional network structure, and a metallic support body having a plate shape and disposed on one main surface of the metal porous-body sheet. The one main surface has a plurality of machined holes each formed perpendicularly to the one main surface, and at least some of the plurality of machined holes are disposed at equal intervals. The metallic support body has a plurality of through holes extending through two surfaces of the metallic support body, and at least some of the plurality of through holes are disposed at equal intervals. A center of each of the some of the plurality of machined holes and a center of each of the some of the plurality of through holes are shifted from each other in one direction in plan view.