RECYCLING AND UPCYCLING OF NICKEL-BASED LITHIUM CATHODE MATERIALS

    公开(公告)号:US20230268574A1

    公开(公告)日:2023-08-24

    申请号:US18112646

    申请日:2023-02-22

    申请人: UT-Battelle, LLC

    摘要: A method for processing spent nickel-based cathode material useful in lithium-based batteries, the method comprising: (i) producing an initial mixture containing the spent nickel-based cathode material and a molten salt system comprising cations and anions, wherein the cations comprise lithium cations; (ii) heating the initial mixture to a temperature of 700° C. to 900° C. for at least 1 hour to produce a relithiated cathode material; and (iii) washing the relithiated cathode material to remove any residual salt. In a further method, the cations comprise nickel and lithium cations and the anions comprise chloride or bromide anion in combination with at least one of nitrate, sulfate, and carbonate anions in further combination with hydroxide anion, wherein the method results in upcycling of the nickel-based cathode material to produce a version of said relithiated cathode material having a greater nickel content.

    Methods for liquid extraction of rare earth metals using ionic liquids

    公开(公告)号:US10689727B2

    公开(公告)日:2020-06-23

    申请号:US15135753

    申请日:2016-04-22

    申请人: UT-Battelle, LLC

    IPC分类号: C22B3/00 C22B3/28 C22B59/00

    摘要: A method for extracting a rare earth element from a rare earth-containing substance, the method comprising mixing the rare earth-containing substance with a protic ionic liquid, such as: wherein R1 is selected from hydrogen atom and hydrocarbon groups containing 1 to 6 carbon atoms; R2 and R3 are independently selected from hydrocarbon groups containing 1 to 12 carbon atoms; and X− is an anionic species; to produce a composition of the formula (RE)(amide)yXz at least partially dissolved in the protic ionic liquid, wherein RE is at least one rare earth element having an atomic number selected from 39, 57-71, and 90-103; y is 2-6; z is a number that charge balances the total positive charge of RE; and the amide is the conjugate base of the cationic portion of the protic ionic liquid of Formula (1) and has the following formula:

    IONIC LIQUIDS CONTAINING SYMMETRIC QUATERNARY PHOSPHONIUM CATIONS AND PHOSPHORUS-CONTAINING ANIONS, AND THEIR USE AS LUBRICANT ADDITIVES
    3.
    发明申请
    IONIC LIQUIDS CONTAINING SYMMETRIC QUATERNARY PHOSPHONIUM CATIONS AND PHOSPHORUS-CONTAINING ANIONS, AND THEIR USE AS LUBRICANT ADDITIVES 有权
    含有对称性季铵盐和含磷阴离子的离子液体及其作为润滑剂添加剂使用

    公开(公告)号:US20150232777A1

    公开(公告)日:2015-08-20

    申请号:US14184754

    申请日:2014-02-20

    申请人: UT-Battelle, LLC

    发明人: Jun Qu Huimin Luo

    摘要: An ionic liquid composition having the following generic structural formula: wherein R1, R2, R3, and R4 are equivalent and selected from hydrocarbon groups containing at least three carbon atoms, and X− is a phosphorus-containing anion, particularly an organophosphate, organophosphonate, or organophosphinate anion, or a thio-substituted analog thereof containing hydrocarbon groups with at least three carbon atoms. Also described are lubricant compositions comprising the above ionic liquid and a base oil, wherein the ionic liquid is dissolved in the base oil. Further described are methods for applying the ionic liquid or lubricant composition onto a mechanical device for which lubrication is beneficial, with resulting improvement in friction reduction, wear rate, and/or corrosion inhibition.

    摘要翻译: 一种具有以下一般结构式的离子液体组合物:其中R1,R2,R3和R4相同并选自含有至少三个碳原子的烃基,X-是含磷阴离子,特别是有机磷酸酯,有机膦酸酯, 或有机膦酸盐阴离子,或其含有至少三个碳原子的烃基的硫代取代的类似物。 还描述了包含上述离子液体和基础油的润滑剂组合物,其中离子液体溶解在基础油中。 进一步描述的是将离子液体或润滑剂组合物施加到润滑有利的机械装置上的方法,从而导致摩擦降低,磨损速率和/或腐蚀抑制的改善。

    Method for electrochemical transformation of amorphous material to crystalline material

    公开(公告)号:US12024424B2

    公开(公告)日:2024-07-02

    申请号:US16774684

    申请日:2020-01-28

    申请人: UT-Battelle, LLC

    IPC分类号: C01B21/064 C01F5/32

    摘要: A method for converting amorphous boron nitride to crystalline boron nitride, the method comprising immersing the amorphous boron nitride into anhydrous molten magnesium chloride maintained within a temperature range of 720° C.-820° C. while the amorphous boron nitride is cathodically polarized at a voltage within a range of −2.2V to −2.8V for a period of time of at least 2 minutes to result in conversion of the amorphous boron nitride to the crystalline form. Also described herein is a method for converting an amorphous carbon material to a crystalline carbon material, the method comprising immersing said amorphous carbon material into anhydrous molten magnesium chloride maintained within a temperature range of 780° C.-820° C. while the amorphous carbon material is cathodically polarized at a voltage within a range of −2.2V to −2.8V for a period of time of at least 2 minutes to result in conversion of the amorphous carbon material to the crystalline form.

    IONIC LIQUIDS CONTAINING QUATERNARY AMMONIUM AND PHOSPHONIUM CATIONS, AND THEIR USE AS ENVIRONMENTALLY FRIENDLY LUBRICANT ADDITIVES

    公开(公告)号:US20220033423A1

    公开(公告)日:2022-02-03

    申请号:US17078668

    申请日:2020-10-23

    申请人: UT-Battelle, LLC

    发明人: Jun Qu Huimin Luo Xin He

    摘要: An ionic liquid composition having the following generic structural formula: wherein Z is N or P, and R1, R2, R3, and R4 are independently selected from hydrogen atom and hydrocarbon groups having one to four carbon atoms with optional interconnection to form a cyclic group that includes Z, and wherein R1, R2, R3, and R4 are all hydrocarbon groups when Z is P, and X− is a phosphorus-containing or carboxylate anion, particularly an organophosphate, organophosphonate, or organophosphinate anion, or a thio-substituted analog thereof containing hydrocarbon groups with at least three carbon atoms. Also described are lubricant compositions comprising the above ionic liquid and a base lubricant, wherein the ionic liquid is dissolved in the base lubricant. Further described are methods for applying the ionic liquid or lubricant composition onto a mechanical device for which lubrication is beneficial, with resulting improvement in friction reduction, wear rate, and/or corrosion inhibition.

    MOLTEN SALT COMPOSITIONS WITH ENHANCED HEAT TRANSFER AND REDUCED CORROSION PROPERTIES

    公开(公告)号:US20210222042A1

    公开(公告)日:2021-07-22

    申请号:US16039770

    申请日:2018-07-19

    申请人: UT-Battelle, LLC

    摘要: A heat transfer (exchange) composition comprising a halide salt matrix having dispersed therein nanoparticles comprising elemental carbon in the absence of water and surfactants, wherein said halide is fluoride or chloride, wherein the halide salt may be an alkali halide salt (e.g., lithium fluoride, sodium fluoride, potassium fluoride, rubidium fluoride, sodium chloride, potassium chloride, rubidium chloride, and eutectic mixtures thereof) or an alkaline earth halide salt (e.g., fluoride or chloride salt of beryllium, magnesium, calcium, strontium, or barium), and wherein the nanoparticles comprising elemental carbon may be solid or hollow, and wherein the composition may further include nanoparticles comprising a fissile material (e.g., U, Th, or Pu) dispersed within the composition. Molten salt reactors (MSRs) containing these heat transfer compositions in coolant loops in thermal exchange with a reactor core, as well operation of such MSRs, are also described.

    Molten salt compositions with enhanced heat transfer and reduced corrosion properties

    公开(公告)号:US11050094B1

    公开(公告)日:2021-06-29

    申请号:US16039770

    申请日:2018-07-19

    申请人: UT-Battelle, LLC

    摘要: A heat transfer (exchange) composition comprising a halide salt matrix having dispersed therein nanoparticles comprising elemental carbon in the absence of water and surfactants, wherein said halide is fluoride or chloride, wherein the halide salt may be an alkali halide salt (e.g., lithium fluoride, sodium fluoride, potassium fluoride, rubidium fluoride, sodium chloride, potassium chloride, rubidium chloride, and eutectic mixtures thereof) or an alkaline earth halide salt (e.g., fluoride or chloride salt of beryllium, magnesium, calcium, strontium, or barium), and wherein the nanoparticles comprising elemental carbon may be solid or hollow, and wherein the composition may further include nanoparticles comprising a fissile material (e.g., U, Th, or Pu) dispersed within the composition. Molten salt reactors (MSRs) containing these heat transfer compositions in coolant loops in thermal exchange with a reactor core, as well operation of such MSRs, are also described.

    CARBON FILMS PRODUCED FROM IONIC LIQUID CARBON PRECURSORS
    10.
    发明申请
    CARBON FILMS PRODUCED FROM IONIC LIQUID CARBON PRECURSORS 审中-公开
    从离子液体碳酸钙生产的碳膜

    公开(公告)号:US20140030182A1

    公开(公告)日:2014-01-30

    申请号:US14034951

    申请日:2013-09-24

    申请人: UT-BATTELLE, LLC

    IPC分类号: C01B31/00

    CPC分类号: C01B32/05 C01B32/00

    摘要: The invention is directed to a method for producing a film of porous carbon, the method comprising carbonizing a film of an ionic liquid, wherein the ionic liquid has the general formula (X+a)x(Y−b)y, wherein the variables a and b are, independently, non-zero integers, and the subscript variables x and y are, independently, non-zero integers, such that a·x=b·y, and at least one of X+ and Y− possesses at least one carbon-nitrogen unsaturated bond. The invention is also directed to a composition comprising a porous carbon film possessing a nitrogen content of at least 10 atom %.

    摘要翻译: 本发明涉及一种生产多孔碳膜的方法,该方法包括将离子液体的膜碳化,其中离子液体具有通式(X + a)x(Yb)y),其中变量a和 b独立地是非零整数,并且下标变量x和y独立地是非零整数,使得·x = b·y,并且X +和Y-中的至少一个具有至少一个碳 - 不饱和键。 本发明还涉及包含氮含量为至少10原子%的多孔碳膜的组合物。