公开(公告)号：US20250003099A1

公开(公告)日：2025-01-02

申请号：US18576396

申请日：2022-07-07

Applicant: BASF SE

Inventor： Nils-Olof Joachim Born ,  Arnd Garsuch ,  Kerstin Schierle-Arndt ,  Wolfram Wilk ,  Sigmar Braeuninger ,  Regina Vogelsang ,  Bastian Opitz ,  Daniel Malko ,  Vincent Smith

IPC: C25C1/02 ,  C22B26/12 ,  H01M10/54

Abstract: Disclosed herein are processes comprising electrolyzing an aqueous solution comprising lithium, wherein the aqueous solution has a pH less than 0.5. Also disclosed are processes comprising electrolyzing a first aqueous solution comprising lithium to obtain a second aqueous solution comprising lithium, and an acidic aqueous solution having a pH less than 0.5, adjusting the pH of the second aqueous solution with the acidic aqueous solution to obtain a third aqueous solution comprising lithium having a pH less than 0.5, and electrolyzing the third aqueous solution comprising lithium. Additionally disclosed are, processes comprising stripping a liquid medium comprising lithium with an acidic aqueous solution to obtain an aqueous solution comprising lithium, and electrolyzing the aqueous solution comprising lithium. Further disclosed are processes for preparing a liquid medium comprising lithium.

公开(公告)号：US20140065517A1

公开(公告)日：2014-03-06

申请号：US14012031

申请日：2013-08-28

Applicant: BASF SE

Inventor： Alexander Panchenko ,  Sigmar Braeuninger ,  Arnd Garsuch ,  Ruediger Schmidt

IPC: H01M4/86

CPC classification number: H01M4/8605 ,  H01M4/861 ,  H01M4/8636 ,  H01M4/8642 ,  H01M4/88 ,  H01M12/08 ,  Y02E60/128

Abstract: The invention relates to gas diffusion electrodes for rechargeable electrochemical metal-oxygen cells, which comprise at least one porous support and one or more layers which are applied to one side of the porous support and comprise at least one catalyst for a metal-oxygen cell, wherein at least one function-relevant parameter changes continuously or discontinuously with increasing distance from the porous support in the catalyst-comprising layer or layers.The present invention further relates to processes for producing such gas diffusion electrodes and rechargeable electrochemical metal-oxygen cells comprising such gas diffusion electrodes.

Abstract translation: 本发明涉及用于可充电电化学金属 - 氧气池的气体扩散电极，其包括至少一个多孔载体和一个或多个层，其被施加到多孔载体的一侧并且包含至少一种用于金属 - 氧气池的催化剂， 其中至少一个功能相关参数随着在含催化剂的层中的多孔载体的距离的增加而连续地或不连续地变化。 本发明还涉及制造这种气体扩散电极的方法和包括这种气体扩散电极的可充电电化学金属 - 氧气电池。

公开(公告)号：US20140065496A1

公开(公告)日：2014-03-06

申请号：US14012094

申请日：2013-08-28

Applicant: BASF SE

Inventor： Alexander Panchenko ,  Sigmar Braeuninger ,  Claudia Querner ,  Arnd Garsuch

IPC: H01M4/86 ,  H01M12/08

CPC classification number: H01M4/8621 ,  H01M4/8605 ,  H01M4/8807 ,  H01M4/9016 ,  H01M4/9041 ,  H01M4/92 ,  H01M8/023 ,  H01M8/0236 ,  H01M12/06 ,  H01M12/08 ,  H01M12/085 ,  Y02E60/128

Abstract: The invention relates to gas diffusion electrodes for rechargeable electrochemical cells, which comprise at least one support material bearing at least one catalyst, wherein the support material comprises at least one compound selected from the group consisting of electrically conductive metal oxides, carbides, nitrides, borides, silicides and organic semiconductors.The present invention further relates to a process for producing such gas diffusion electrodes and also rechargeable electrochemical cells comprising such gas diffusion electrodes.

Abstract translation: 本发明涉及用于可再充电电化学电池的气体扩散电极，其包含至少一种支承材料，其至少含有一种催化剂，其中载体材料包括至少一种选自导电金属氧化物，碳化物，氮化物，硼化物 ，硅化物和有机半导体。 本发明还涉及一种用于制造这种气体扩散电极的方法，以及包括这种气体扩散电极的可充电电化学电池。

公开(公告)号：US20140065518A1

公开(公告)日：2014-03-06

申请号：US14011914

申请日：2013-08-28

Applicant: BASF SE

Inventor： Alexander PANCHENKO ,  Sigmar Braeuninger ,  Arnd Garsuch ,  Ruediger Schmidt

IPC: H01M12/08

CPC classification number: H01M12/08 ,  H01M2/162 ,  H01M2/1673 ,  H01M4/0402 ,  H01M4/8605 ,  H01M4/8803 ,  H01M4/8814 ,  H01M4/886 ,  Y02E60/128

Abstract: The invention relates to a process for producing a rechargeable electrochemical metal-oxygen cell, comprising at least one positive electrode, at least one negative metal-comprising electrode and at least one separator having two sides for separating the positive and negative electrodes, wherein, in one of the process steps, at least one side of the separator is coated with at least one material for forming one of the two electrodes (hereinafter referred to as electrode material) or at least one side of at least one of the two electrodes is coated with at least one material for forming the separator (hereinafter referred to as separator material) to form a separator-electrode assembly.

Abstract translation: 本发明涉及一种用于生产可再充电电化学金属 - 氧电池的方法，该方法包括至少一个正电极，至少一个含负电极的电极和至少一个具有用于分离正极和负极两侧的隔板，其中， 其中一个工艺步骤，用至少一种用于形成两个电极之一的材料（以下称为电极材料）涂覆隔板的至少一侧，或者至少一个两个电极的至少一个被涂覆 与至少一种用于形成隔板的材料（以下称为隔板材料）以形成隔板 - 电极组件。

公开(公告)号：US20140072886A1

公开(公告)日：2014-03-13

申请号：US14012187

申请日：2013-08-28

Applicant: BASF SE

Inventor： Tobias URBAN ,  Thomas Giesenberg ,  Eva Mutoro ,  Sigmar Braeuninger ,  Gunter Bechtloff

IPC: H01M12/08

CPC classification number: H01M12/08 ,  H01M4/90 ,  H01M2300/002 ,  Y02E60/128

Abstract: The present invention relates to rechargeable electrochemical zinc-oxygen cells comprising A) at least one anode comprising metallic zinc, B) at least one gas diffusion electrode comprising (B1) at least one cathode active material, and (B2) optionally at least one solid medium through which gas can diffuse, and C) an aqueous electrolyte comprising boric acid. The present invention further relates to uses of the inventive rechargeable electrochemical zinc-oxygen cells, to zinc-air batteries comprising the inventive rechargeable electrochemical zinc-oxygen cells, and to the use of an aqueous electrolyte comprising boric acid for production or for operation of rechargeable electrochemical zinc-oxygen cells.

Abstract translation: 本发明涉及可再充电电化学锌 - 氧电池，其包括A）至少一个阳极，其包含金属锌，B）至少一个气体扩散电极，其包含（B1）至少一种阴极活性材料，和（B2）任选至少一种固体 气体可以扩散的介质，和C）包含硼酸的含水电解质。 本发明还涉及本发明的可再充电电化学锌 - 氧电池用于包含本发明的可再充电电化学锌 - 氧电池的锌 - 空气电池的用途，以及包含硼酸的含水电解质用于生产或可再充电的操作 电化学锌氧细胞。