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公开(公告)号：US20240166537A1
公开(公告)日：2024-05-23
申请号：US18505954
申请日：2023-11-09
发明人： Litao Yan , Wei Wang , Yuyan Shao
IPC分类号： C02F1/461
CPC分类号： C02F1/4618 , C02F2001/46142 , C02F2101/10
摘要： In some aspects, the techniques described herein relate to a method of capturing carbon from seawater, the method including: flowing input seawater including bicarbonate and having a pH greater than 8 through a center compartment of an electrolytic cell, wherein the center compartment is disposed between an anode compartment and a cathode compartment of the electrolytic cell; acidifying the input seawater in the center compartment with a proton, to form acidified seawater; generating carbon dioxide in the center compartment including reaction of the proton with the bicarbonate from the input seawater; flowing acidified seawater out of the center compartment; contacting the acidified seawater with hydroxide or a hydroxide salt from the cathode compartment to generate basified seawater having a pH greater than 9; and flowing hydrogen generated in the cathode compartment to the anode compartment.
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2.发明公开公开(公告)号：US20230332319A1
公开(公告)日：2023-10-19
申请号：US18300313
申请日：2023-04-13
发明人： Hyung-Seok Lim , Wei Wang , Vijayakumar Murugesan , Chinmayee Venkata Subban , Tasya S. Nasoetion
摘要： A method for selectively recovering a rare earth element (REE) from an alloy includes applying a potential of from -3.5 V to 0 V to an electrochemical cell comprising a anode, a cathode, and an electrolyte, wherein (i) the anode comprises an alloy comprising a REE, (ii) the cathode comprises a noble metal, and (iii) the electrolyte comprises an alkali metal or alkaline earth metal salt and a nonaqueous solvent. Under the applied potential, at least some of the REE is oxidatively dissolved from the anode and is electrodeposited onto the cathode to form an REE deposit.
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公开(公告)号：US20230006229A1
公开(公告)日：2023-01-05
申请号：US17748699
申请日：2022-05-19
发明人： Ruozhu Feng , Wei Wang , Xin Zhang , Yangang Liang , Aaron M. Hollas , Yuyan Shao , Vijayakumar Murugesan , Ying Chen
摘要： Aqueous anolytes for redox flow batteries are disclosed. The anolytes include a fluorenone-fluorenol derivative, an additive comprising an organic compound including one or more proton acceptor groups, an alkali metal hydroxide, and water. The additive functions as a homogeneous organocatalyst and may increase the current density of an aqueous redox flow battery including the anolyte.
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公开(公告)号：US11532832B2
公开(公告)日：2022-12-20
申请号：US16859142
申请日：2020-04-27
发明人： Zimin Nie , Wei Wang , Xiaoliang Wei , Bin Li , Jun Liu , Vincent L. Sprenkle
摘要： All-vanadium sulfate redox flow battery systems have a catholyte and an anolyte comprising an aqueous supporting solution including chloride ions and phosphate ions. The aqueous supporting solution stabilizes and increases the solubility of vanadium species in the electrolyte, allowing an increased vanadium concentration over a desired operating temperature range. According to one example, the chloride ions are provided by MgCl2, and the phosphate ions are provided by (NH4)2HPO4.
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公开(公告)号：US11050076B1
公开(公告)日：2021-06-29
申请号：US15004717
申请日：2016-01-22
发明人： Wei Wang , Zimin Nie , Vincent Sprenkle , Jamelyn D. Holladay
摘要： Flow cell systems are provided. Example flow cell systems can include an H+/H2 half-cell and a counterpart Fe3+/Fe2+ or V5+/V4+ half-cell. Flow cell systems can also include a half-cell in fluid communication with an electrolyte regeneration chamber. Embodiments of these flow cells systems can be configured to produce hydrogen through electrolysis. Flow cell battery systems are also disclosed. Example flow cell battery systems can include an H+/H2 analyte; and a counterpart Fe3+/Fe2+ or V5+/V4+ catholyte. Processes for generating hydrogen are also disclosed. Example processes can include generating protons from a Fe3+/Fe2+ or V5+/V4+ electrolyte solution; and reacting the protons with H2O to form H2.
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6.发明授权公开(公告)号：US11043686B2
公开(公告)日：2021-06-22
申请号：US15988192
申请日：2018-05-24
发明人： Wei Wang , Dongping Lu , Yuyan Shao , Qian Huang , Litao Yan
IPC分类号： H01M8/18 , B01J19/12 , H01M8/04858 , H01M8/04276 , C25B1/04 , C25B9/73
摘要： Described herein are systems and methods of storing and delivering electrical using hydrogen at low-cost and for long-durations. The systems and methods use energy-bearing redox pairs that electrochemically bear energy through decoupled hydrogen and oxygen consumption and/or evolution reactions, which are typically associated with fuel cells. Each species of the energy-bearing redox pair is associated with a standard electrode potential within a water electrolysis voltage window for the electrolyte solution. Electrical energy delivery, hydrogen generation, electrolyte regeneration, or combinations thereof can be performed by logically or physically separated unit operations in a continuous manner, batch manner, or semi-batch manner facilitated by the energy-bearing redox pair.
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公开(公告)号：US10673090B2
公开(公告)日：2020-06-02
申请号：US14875565
申请日：2015-10-05
发明人： Zimin Nie , Wei Wang , Xiaoliang Wei , Bin Li , Jun Liu , Vincent L. Sprenkle
摘要： All-vanadium sulfate redox flow battery systems have a catholyte and an anolyte comprising an aqueous supporting solution including chloride ions and phosphate ions. The aqueous supporting solution stabilizes and increases the solubility of vanadium species in the electrolyte, allowing an increased vanadium concentration over a desired operating temperature range. According to one example, the chloride ions are provided by MgCl2, and the phosphate ions are provided by (NH4)2HPO4.
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公开(公告)号：US11415552B2
公开(公告)日：2022-08-16
申请号：US16893953
申请日：2020-06-05
发明人： Zhiqun Deng , Wei Wang , Xiaoqin Zang , Litao Yan , Yang Yang , Huilin Pan , Zimin Nie , Jun Lu
IPC分类号： G01N29/032 , G01N29/30 , H01M8/04537 , H01M8/18 , G01N29/34
摘要： This document describes techniques and systems for in operando, non-invasive SOC monitoring of redox flow batteries. The described techniques and systems allow for accurate, inexpensive, portable, and real-time methods to measure the SOC of redox flow batteries. System operators can monitor the SOC by measuring an acoustic attenuation coefficient of the electrolyte in the redox flow battery. The acoustic attenuation coefficient is measured using an ultrasonic transducer attached to a probing cell, which is connected to an electrolyte flow of a redox flow battery. The acoustic attenuation coefficient provides an accurate, real-time SOC measurement that is generally insensitive to varying operational temperatures of the electrolyte solution.
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公开(公告)号：US20210147347A1
公开(公告)日：2021-05-20
申请号：US17097715
申请日：2020-11-13
发明人： Wei Wang , Ruozhu Feng , Xin Zhang , Aaron M. Hollas , Vijay Murugesan , Nadeesha P. Nambukara Wellala , Yuyan Shao , Zimin Nie
IPC分类号： C07C309/38 , H01M8/18 , C07D241/38 , H01M8/083
摘要： Aqueous electrolytes comprising fluorenone/fluorenol derivatives are disclosed. The electrolyte may be an anolyte for an aqueous redox flow battery. In some embodiments, the compound, or salt thereof, has a structure according to any one of formulas I-III where Q1-Q4 independently are CH, C(R1) or N, wherein 0, 1, or 2 of Q1-Q4 are N; Q5-Q8 independently are CH, C(R2), or N, wherein 0, 1, or 2 of Q5-Q8 are N; Y is C═O or C(H)OH; R1 and R2 independently are an electron withdrawing group; n is an integer >1; and x and y independently are 0, 1, 2, 3, or 4, where at least one of x and y is not 0.
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公开(公告)号：US10454124B2
公开(公告)日：2019-10-22
申请号：US15625750
申请日：2017-06-16
发明人： Xiaoliang Wei , Wei Wang , Aaron M. Hollas , Vincent L. Sprenkle , Zimin Nie , Bin Li
IPC分类号： H01M8/18 , H01M4/90 , C07D241/46 , H01M8/08 , H01M4/96
摘要： Embodiments of an aqueous electrolyte comprising a base and a phenazine derivative are disclosed. Redox flow batteries including the aqueous electrolyte are also disclosed. The phenazine derivative has a chemical structure according to formula I:
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