CN111511751A - 镁盐 - Google Patents
镁盐 Download PDFInfo
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- CN111511751A CN111511751A CN201880059909.0A CN201880059909A CN111511751A CN 111511751 A CN111511751 A CN 111511751A CN 201880059909 A CN201880059909 A CN 201880059909A CN 111511751 A CN111511751 A CN 111511751A
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- 159000000003 magnesium salts Chemical class 0.000 title description 3
- 150000003839 salts Chemical class 0.000 claims abstract description 28
- 150000001412 amines Chemical class 0.000 claims abstract description 11
- 150000003573 thiols Chemical class 0.000 claims abstract description 10
- 150000001298 alcohols Chemical class 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 150000001875 compounds Chemical group 0.000 claims abstract description 5
- 239000011777 magnesium Substances 0.000 claims description 58
- 229910052749 magnesium Inorganic materials 0.000 claims description 52
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical group [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 39
- 239000003792 electrolyte Substances 0.000 claims description 25
- 229910001425 magnesium ion Inorganic materials 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000003960 organic solvent Substances 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims description 2
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 2
- ZUHZGEOKBKGPSW-UHFFFAOYSA-N tetraglyme Chemical compound COCCOCCOCCOCCOC ZUHZGEOKBKGPSW-UHFFFAOYSA-N 0.000 claims description 2
- YFNKIDBQEZZDLK-UHFFFAOYSA-N triglyme Chemical compound COCCOCCOCCOC YFNKIDBQEZZDLK-UHFFFAOYSA-N 0.000 claims description 2
- -1 magnesium aluminate salts Chemical class 0.000 description 30
- 210000004027 cell Anatomy 0.000 description 9
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 9
- UHOVQNZJYSORNB-MZWXYZOWSA-N benzene-d6 Chemical compound [2H]C1=C([2H])C([2H])=C([2H])C([2H])=C1[2H] UHOVQNZJYSORNB-MZWXYZOWSA-N 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000008151 electrolyte solution Substances 0.000 description 6
- 229940021013 electrolyte solution Drugs 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 238000002484 cyclic voltammetry Methods 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 238000005481 NMR spectroscopy Methods 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- GANNOFFDYMSBSZ-UHFFFAOYSA-N [AlH3].[Mg] Chemical compound [AlH3].[Mg] GANNOFFDYMSBSZ-UHFFFAOYSA-N 0.000 description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 3
- 239000010405 anode material Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 2
- 238000005160 1H NMR spectroscopy Methods 0.000 description 2
- 238000004910 27Al NMR spectroscopy Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 150000001342 alkaline earth metals Chemical class 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000001460 carbon-13 nuclear magnetic resonance spectrum Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- 210000001787 dendrite Anatomy 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- TZSQRHNPVPIZHV-UHFFFAOYSA-M [Mg]OC1=CC=CC=C1 Chemical compound [Mg]OC1=CC=CC=C1 TZSQRHNPVPIZHV-UHFFFAOYSA-M 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 125000006575 electron-withdrawing group Chemical group 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000004502 linear sweep voltammetry Methods 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 239000012453 solvate Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/28—Metal alcoholates
- C07C31/32—Aluminium alcoholates
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F3/00—Compounds containing elements of Groups 2 or 12 of the Periodic Table
- C07F3/02—Magnesium compounds
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- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/10—Halides or oxyhalides of phosphorus
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- C01B6/00—Hydrides of metals including fully or partially hydrided metals, alloys or intermetallic compounds ; Compounds containing at least one metal-hydrogen bond, e.g. (GeH3)2S, SiH GeH; Monoborane or diborane; Addition complexes thereof
- C01B6/24—Hydrides containing at least two metals; Addition complexes thereof
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- C07C29/68—Preparation of metal alcoholates
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- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
- C07F5/06—Aluminium compounds
- C07F5/069—Aluminium compounds without C-aluminium linkages
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
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Abstract
式Mg[Al(R)4]2的盐,其中R代表选自去质子化醇或硫醇;或胺;或其混合物的无卤素的化合物。
Description
本发明涉及镁的盐。另外地,本发明涉及该镁盐在电池或蓄电池中作为电解质的用途。
将充电电池的功率密度提高到超过用于便携式电子设备的现有锂离子电池中目前可达到的水平的驱动力已引起人们对开发具有优越的理论能量密度的多价电池系统的兴趣。特别是,由于镁金属阳极的高理论体积能量密度以及潜在的安全性、成本和环境效益,已对镁离子电池给予了相当大的关注。锂离子电池还可以形成枝晶生长,已发现这会引起短路和危险的热失控。镁在多个充电周期内不易形成树枝状晶体。此外,镁在地球上储量丰富,并且生产成本比锂低,并且镁金属可以直接用作阳极材料。
尽管镁离子系统是有吸引力的锂离子技术替代方案,但是镁离子系统的开发仍然受限于缺乏如下的电解质系统:该电解质系统在以高于3.5V的电势下工作的镁阳极和阴极材料上均稳定。许多现有的镁离子电解质系统会在电极表面逐渐分解,并导致会钝化电极的不透镁层(magnesium-impermeable layer)。另外地,许多高压电解质(在至少3.4V下稳定)含有氯化物,并且被认为会导致普通电池组件(例如不锈钢)的腐蚀。因此,镁离子电解质开发的新方向集中在无氯盐的合成和使用上。
已经在理论上意识到诸如镁之类的碱土金属可用作电化学电池和蓄电池中的电解质溶液。镁在地壳中的含量很高,因此每吨的价格低于其他碱金属和碱土金属。另外,镁比锂具有更高的充电容量。此外,在镁离子电池中,镁金属可用作金属阳极而不会有热失控的风险,这可归因于在镁金属上不形成树枝状晶体。然而,尽管有这种知识,因为难以形成易处理和生产、在宽电压范围内稳定并且还能与多种电极相容的电解质,镁尚未被广泛用作电解质或用作阳极材料。
在第一方面,本发明提供了一种式:Mg[Al(R)4]2的盐,
其中R代表选自去质子化醇或硫醇;或胺;或其混合物的无卤素的化合物。
本发明的通式定义了一组铝酸镁盐,它们可以由共同的前体(Mg(AlH4)2)制备,而不需要去质子化醇、硫醇或胺上的强吸电子官能团,例如卤素。然而,该盐可被更广泛地描述为包含没有任何强吸电子基团的去质子化醇、硫醇或胺R基团。这样的醇、硫醇或胺更容易获得,并且更容易处理用于合成。因此,与现有技术的铝酸镁盐的制备相比,大规模制造本发明的盐可为更成本有效和更简单的。
无卤素的醇、硫醇或胺可为芳香性的。苯氧基基团或者芳香性硫醇或胺可提供具有改善的配位稳定性的盐,这是使用卤素基团时所不能提供的。此外,与使用位阻烷基相反,配位中心(即,镁和铝)周围的空间可被改善。特别地,无卤素的醇、硫醇或胺的有机部分可能基于;异丙基、叔丁基或苯基。更具体而言,R可仅代表一种无卤素的去质子化醇,例如苯酚、异丙醇或叔丁醇。
该盐可在有机溶剂中结晶。溶剂化的盐产生具有改善的氧化稳定性和良好的电化学性能的电解质。优选地,有机物是无氯的,因为据认为含氯化物的溶剂会导致普通蓄电池组件如不锈钢的腐蚀。具体地,有机溶剂可以是干DME、2-甲基-THF、二甘醇二甲醚、三甘醇二甲醚、四甘醇二甲醚或THF,因为两者均可改善所得电解质的电化学性能。
在第二方面,本发明提供了一种电解质,其包含根据上式(i)的盐。该电解质可以包含盐作为常规电解质的添加剂,也可与合适的溶剂一起在纯溶液中使用以单独形成电解质。电解质还可包含Mg(PF6)2添加剂。
在第三方面,本发明提供了一种电池或蓄电池,其包含根据上式(i)的电解质。本发明的盐没有遭受在电化学电池或蓄电池中使用锂盐时观察到的某些相同的缺点。另外,本发明的盐可用于许多电池或蓄电池系统的电解质中。更具体地,该电池或蓄电池可以是例如锂电池或锂离子电池。然而,使用本发明的盐的电池或蓄电池可以更一般地描述为基于金属的或基于金属离子的电池或蓄电池。其他基于金属或金属离子的电池或蓄电池的示例可以包括镁、钙或铝金属或离子。当在金属电池或蓄电池中的电解质中使用本发明的盐时,诸如镁、钙或铝之类的金属可以用作金属阳极而没有盐分解的风险。
为更容易理解本发明,现在将通过举例的方式,参考附图描述本发明的实施方式,其中:
图1是本发明的一种盐的X-射线单晶结构;
图2是本发明的一种盐的X-射线单晶结构;
图3是叔丁氧基铝酸镁(1)的1H NMR谱;
图4是叔丁氧基铝酸镁(1)的13C NMR谱;
图5是叔丁氧基铝酸镁(1)的27Al NMR谱;
图6是苯氧基铝酸镁(2)的1H NMR谱;
图7是苯氧基铝酸镁(2)的13C NMR谱;
图8是苯氧基铝酸镁(2)的27Al NMR谱;
图9示出了叔丁氧基铝酸镁(1)在THF中的电解质溶液的LSV测量结果;
图10示出了苯氧基铝酸镁(2)在DME中的电解质溶液的LSV测量结果;
图11示出了使用Pt工作电极的苯氧基铝酸镁(2)在DME中的电解质溶液的CV测量结果;
图12示出了于室温循环的苯氧基铝酸镁(2)在DME中的电解质溶液在使用镁条阳极和切弗里相阴极构建的纽扣电池中的循环行为;和
图13示出了与55℃循环的苯氧基铝酸镁(2)在DME中的电解质溶液在施用每条阳极和切弗里相阴极构建的纽扣电池中的循环行为。
现在将参考以下实施例说明本发明。
实施例1–Mg(AlH4)2前体的合成
将来自XXX的氢化铝钠与来自XXX的氯化镁的比率为2:1的混合物球磨1小时以产生氢化镁铝和氯化钠的混合物,理论上氯化镁铝为42.5wt%(方案如下)。
所得的氢化镁铝混合物提供了用于合成铝酸镁的通用平台,如以下实施例所示的那样。
实施例2–使用醇合成铝酸镁
通过用不同的氟化/非氟化烷基和芳基醇在干THF或DME中处理氢化镁铝来合成铝酸镁(方案如下)。
在这些反应之后,在惰性气氛下过滤以除去不溶性杂质(即氯化钠和含铝副产物)。产生的铝酸镁通常以THF或DME溶剂化物形式回收,产率中等至高(77-94%)。合成中使用的特定醇为(1)叔丁醇;和(2)苯酚。
实施例3–铝酸镁的表征
如图1和图2所示,分别从含有叔丁氧基铝酸镁(1)和苯氧基铝酸镁(2)的THF中获得单晶。用配备有Incoatec IμS铜微源的Bruker D8-Quest PHOTON-100衍射仪收集的数据进行X射线分析,确认该络合物为所需的盐。
在图3-8中示出了两种铝酸镁的粉末的多核NMR谱。叔丁氧基铝酸镁(1)显示出以下NMR信号:1H NMR(C6D6)δ1.48(s,1H),1.46(s,1H)ppm;13C NMR(C6D6)δ71.82,68.62,34.20,33.24ppm;27Al NMR(DME)δ49.17ppm。苯氧基铝酸镁(2)表现出以下NMR信号:1H NMR(C6D6)δ7.08–6.99(m,32H),6.76(t,J=7.2Hz,8H),3.64(s,THF),1.27(s,THF)ppm;13C NMR(C6D6)δ156.89,129.99,121.16,120.44,69.99,25.11ppm;27Al NMR(DME)。除非另有说明,否则在Bruker 400MHz AVIII HD智能探针光谱仪(1H为400MHz,13C为101MHz,27Al为104MHz)上以298.0K记录光圈。对于1H和13C,化学位移(δ,ppm)相对于残余溶剂信号给出,对于27Al,化学位移(δ,ppm)相对于外部Al(NO3)3给出。
实施例3–使用铝酸镁作为电解质盐
以下报道的所有循环伏安法(CV)和线性扫描伏安法(LSV)实验均在手套箱(MBraun)中在干氩气氛下使用干溶剂进行。使用IVIUM CompactStat进行循环伏安法和线性扫描伏安法。
制备浓度为0.25M的上述(1)和(2)的铝酸镁在干有机溶剂中的溶液。发现叔丁氧基铝酸镁(1)在THF中的溶液对不锈钢(ss-316)、铝、铜、金和铂电极的氧化稳定性较差,在每个电极上氧化开始发生于相对于镁的大约1V电压下,如图9所示。
与叔丁氧基铝酸镁(1)相反,苯氧基铝酸镁(2)在DME中的溶液对测试电极表现出中等的氧化稳定性,显示氧化开始发生于相对于镁的1.5V(铝、金和铂)和2.2V(ss-316)之间,如图10所示。在铜上观察到一个较小的阳极过程,始于相对于镁的1V时,然后是一个较大的过程,其在相对于镁约2.3V时。
CV用于检查这些0.25M铝酸镁溶液使用铂工作电极促进镁镀覆和剥离的能力。
THF中的铝酸镁(1)的CV测量没有显示在相对于Mg为-0.5V和1V之间的镁镀覆/剥离行为的证据。
如图11所示,在50个伏安循环中,DME中的铝酸镁(2)的CV显示了在相对于镁为-0.5V和1V之间时在铂上的明显的镀覆和剥离行为。观察到在50个循环内,镀覆过电势从相对于镁为-0.41V降低至-0.29V。
在使用切弗里相(Mo6S8)阴极、镁条阳极和不锈钢集流器构建的镁完整电池中在室温和55℃下进一步检验了铝酸镁(2)的0.25M DME溶液的电化学行为。
通常,铝酸镁电解质表现出更好的可逆性,在更多的充放电循环中保持更高的容量,并且与室温相比在55℃时以更高的速率循环,如图12和13所示。于室温时,包含铝酸镁(2)的完整电池通常达到的最大重量容量约为80mAh·g-1(图12)。但是,在55℃时,包含相同电解质的完整电池在10个充放电循环中的重量容量保持在100mAh·g-1左右,且过电势为小到中等(图13)。
Claims (10)
1.一种式Mg[Al(R)4]2的盐,
其中R代表选自去质子化醇或硫醇;或胺;或其混合物的无卤素的化合物。
2.根据权利要求1所述的盐,其中无卤素的醇、硫醇或胺之一是芳香族的。
3.根据权利要求1或权利要求2所述的盐,其中无卤素的醇、硫醇或胺的有机部分之一是叔丁基或苯基。
4.根据前述权利要求中任一项所述的盐,其中所述盐从有机溶剂中结晶。
5.根据权利要求4所述的盐,其中所述有机溶剂是干DME、2-甲基-THF、二甘醇二甲醚、三甘醇二甲醚、四甘醇二甲醚或THF。
6.根据前述权利要求中任一项所述的盐,其中R代表无卤素的去质子化醇。
7.一种电解质,其包含根据权利要求1-6中任一项所述的盐。
8.根据权利要求7所述的电解质,其中所述电解质还包含Mg(PF6)2添加剂。
9.一种电池或蓄电池,其包含根据权利要求7或8所述的电解质。
10.根据权利要求9所述的电池或蓄电池,其中所述电池或蓄电池是镁电池或蓄电池或者镁离子电池或蓄电池。
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GB2566473B (en) | 2020-03-04 |
JP2020533378A (ja) | 2020-11-19 |
US20200280099A1 (en) | 2020-09-03 |
WO2019053401A1 (en) | 2019-03-21 |
GB201714771D0 (en) | 2017-11-01 |
US11817558B2 (en) | 2023-11-14 |
CN111511751B (zh) | 2023-05-02 |
KR20200047688A (ko) | 2020-05-07 |
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