WO2009047254A1 - Lithium-argyrodite - Google Patents
Lithium-argyrodite Download PDFInfo
- Publication number
- WO2009047254A1 WO2009047254A1 PCT/EP2008/063412 EP2008063412W WO2009047254A1 WO 2009047254 A1 WO2009047254 A1 WO 2009047254A1 EP 2008063412 W EP2008063412 W EP 2008063412W WO 2009047254 A1 WO2009047254 A1 WO 2009047254A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- lithium
- argyrodite
- days
- general formula
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D15/00—Lithium compounds
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0561—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
- H01M10/0562—Solid materials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/14—Cells with non-aqueous electrolyte
- H01M6/18—Cells with non-aqueous electrolyte with solid electrolyte
- H01M6/185—Cells with non-aqueous electrolyte with solid electrolyte with oxides, hydroxides or oxysalts as solid electrolytes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/14—Cells with non-aqueous electrolyte
- H01M6/18—Cells with non-aqueous electrolyte with solid electrolyte
- H01M6/188—Processes of manufacture
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a new class of lithium-rich solid compounds, a process for their preparation and their use as solid electrolytes in primary and secondary electrochemical energy storage.
- Argyrodites have long been known and are derived from the Argyrodite AggGeS 6 , which was first described in 1886 by C. Winkler and whose analysis led to the discovery of germanium.
- the argyrodite family consists of more than 100 crystalline solids and includes, for example, those solid-state compounds in which silver is replaced by copper, germanium by gallium or phosphorous, and sulfur by selenium.
- Nitsche, Kuhs, Krebs, Evain, Boucher, Pfitzner and Nilges describe compounds such as CUgGaS 6 , Ag 7 PSe 6 and CusGaSsCl, whose solid-state structures are derived from argyrodite.
- Li argyrodites have been previously unknown, except for the poorly characterized compound Li 7 PS 6 (JF Brice, CR Seances in Acad., 1976, C283, 581).
- Recent studies by, for example, Eckert, Zhang and Kennedy in Chem. Of Mat. 1990, 2, 273-279 refer to thermomechanical optimization experiments for the Li 2 S-P 2 S 5 system . and show in total not phase-pure samples. However, some samples for this system show signs of high lithium mobility.
- further investigations have shown that the extraction of phase-pure solids in the system Li 2 SP 2 Ss is difficult and, inter alia, strongly dependent on the starting materials and crucible materials used during production, so that different by-products form depending on the material used.
- the object of the present invention is therefore to provide a new class of lithium-rich solid-state compounds which, in addition to high lithium-ion mobility, enables phase-pure production.
- the class of novel lithium-rich argyrodites according to the invention permits the production of phase-pure solids.
- the novel compounds of the invention have a high lithium ion mobility, which can preferably be used when used as a solid electrolyte.
- the invention can be used in a wide temperature range from -150 0 C to 600 0 C. In this way, the temperature sensitivity of electrochemical energy stores which has hitherto been observed can be reduced.
- the component B n + may preferably be selected from the group P, As, Ge, Ga, Sb, Si, Sn, Al, In, Ti, V, Nb, and Ta. Particular preference is given to P, As, Sb and Ga, in particular with a view to use as an electrolyte constituent of a lithium accumulator.
- the component X 2 " may be selected from the group S, Se and Te.
- components X 2" selected from the group S and Se are favored for a preferred embodiment of the invention because of their ease of preparation.
- the component Y " may preferably be selected from the group Cl, Br, I, F, OCN, SCN, N 3 , CN. Particular preference is given to Cl, Br and I, in particular with regard to use as the electrolyte constituent of a lithium ion. battery.
- the lithium argyrodites according to the invention may preferably be compounds of the general formula (II): Li 6 PS 5 Z (II)
- component Z may be a monovalent anion selected from the group of halides and pseudohalides.
- the component Z can be selected from the group Cl, Br, I.
- the lithium argyrodites can be compounds of the general formula (III):
- B 6+ is selected from the group P, As, and Sb
- X 2 " is selected from the group Se and Te
- Y " is selected from the group Cl, Br, I, F, CN, OCN, SCN, N 3 , and where 0 ⁇ a> 2.
- B 6+ is selected from the group P, As, and Sb, X 2 "is selected from the group Se and Te, and where 0 ⁇ a> 2.
- the invention further relates to a process for the preparation of lithium argyrodites of the general formula (I), characterized by the steps:
- Heating the pellets to temperatures between 400 0 C and 700 0 C for a period of 3 days to 10 days.
- a method can be provided which, in addition to good phase purity of the crystalline compounds, enables simple process control.
- the inventive method can be carried out in particular at a temperature between 500 0 C and 600 0 C, preferably at 550 °.
- a duration of 4 days to 8 days, preferably a duration of 7 days be provided.
- a lithium argyrodite of the general formula (I) according to the invention can preferably be used as lithium ion electrolyte for primary and secondary electrochemical energy stores.
- the starting materials LiBr, Li 2 S and P 2 Ss were weighed in a stoichiometric ratio under argon protective gas atmosphere, transferred to a graphite quartz ampoule and melted under vacuum. The sample was annealed in a tube furnace at a temperature of 550 ° C. for 6 days and then cooled slowly. Pure phase crystals of the compound Li 6 PSsBr were obtained as a white solid.
- the starting materials LiCl, Li 2 S and P 2 Ss were weighed in a stoichiometric ratio under argon protective gas atmosphere, transferred to a graphite quartz ampule and melted under vacuum. The sample was annealed in a tube furnace at a temperature of 550 ° C. for 6 days and then cooled slowly. Pure phase crystals of the compound Li 6 PSsCl were obtained as a white solid.
- the starting materials Ss, Li 2 S and P Se were weighed in a stoichiometric ratio under an argon protective gas atmosphere, transferred to a graphitized quartz ampoule and melted under reduced pressure.
- the sample was in a Tube furnace at a temperature of 500 0 C - 550 0 C annealed for 6 days and then slowly cooled. Pure phase crystals of compound Li 7 PSsSe were obtained as white solid.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
- Primary Cells (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200880110628XA CN101821199B (zh) | 2007-10-08 | 2008-10-07 | 锂-硫银锗矿 |
| EP08838228A EP2197795B1 (de) | 2007-10-08 | 2008-10-07 | Lithium-argyrodite |
| US12/682,214 US8075865B2 (en) | 2007-10-08 | 2008-10-07 | Lithium argyrodite |
| JP2010527474A JP2010540396A (ja) | 2007-10-08 | 2008-10-07 | リチウム硫銀ゲルマニウム鉱 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007048289A DE102007048289A1 (de) | 2007-10-08 | 2007-10-08 | Lithium-Argyrodite |
| DE102007048289.4 | 2007-10-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2009047254A1 true WO2009047254A1 (de) | 2009-04-16 |
| WO2009047254A9 WO2009047254A9 (de) | 2010-02-25 |
Family
ID=40308747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2008/063412 Ceased WO2009047254A1 (de) | 2007-10-08 | 2008-10-07 | Lithium-argyrodite |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8075865B2 (de) |
| EP (1) | EP2197795B1 (de) |
| JP (1) | JP2010540396A (de) |
| CN (1) | CN101821199B (de) |
| DE (1) | DE102007048289A1 (de) |
| WO (1) | WO2009047254A1 (de) |
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| US20130029216A1 (en) * | 2010-04-01 | 2013-01-31 | Jungmin Kim | Positive-electrode material for lithium secondary-battery, process for producing the same, positive electrode for lithium secondary battery, and lithium secondary battery |
| WO2018141919A1 (de) | 2017-02-03 | 2018-08-09 | Albemarle Germany Gbmh | Hochreaktives, staubfreies und freifliessendes lithiumsulfid und verfahren zu dessen herstellung |
| DE102019129554A1 (de) | 2018-12-18 | 2020-06-18 | Hyundai Motor Company | Sulfid-basierter, fester elektrolyt, der mit einem erdalkalimetall dotiert ist, und herstellungsverfahren desgleichen |
| KR20200070720A (ko) | 2018-12-10 | 2020-06-18 | 현대자동차주식회사 | 전자 전도도가 향상된 황화물계 고체전해질 및 이의 제조방법 |
| KR20200070721A (ko) | 2018-12-10 | 2020-06-18 | 현대자동차주식회사 | 전고체 전지 음극용 황화물계 고체전해질 및 이의 제조방법 |
| US10811726B2 (en) | 2017-11-14 | 2020-10-20 | Samsung Electronics Co., Ltd. | Solid electrolyte for all-solid lithium secondary battery, all-solid lithium secondary battery, and method of preparing the solid electrolyte |
| CN112467196A (zh) * | 2019-09-06 | 2021-03-09 | 国联汽车动力电池研究院有限责任公司 | 固态电解质材料和全固态电池 |
| EP3798182A1 (de) | 2019-09-27 | 2021-03-31 | AMG Lithium GmbH | Sulfidischer festelektrolyt und dessen vorläufer |
| EP3798183A1 (de) | 2019-09-27 | 2021-03-31 | AMG Lithium GmbH | Sulfidischer festelektrolyt und dessen vorläufer |
| US11127974B2 (en) | 2018-05-14 | 2021-09-21 | Samsung Electronics Co., Ltd. | Method of preparing sulfide-based solid electrolyte, sulfide-based solid electrolyte prepared therefrom, and solid secondary battery including the sulfide electrolyte |
| US11245131B2 (en) | 2015-12-25 | 2022-02-08 | Samsung Electronics Co., Ltd. | Solid electrolyte and lithium battery including the same |
| KR20220044086A (ko) | 2020-09-28 | 2022-04-06 | 주식회사 포스코 제이케이 솔리드 솔루션 | 전고체 리튬 이차전지용 황화물계 고체전해질 및 황화물계 고체전해질의 제조방법 |
| US11799126B2 (en) | 2019-05-31 | 2023-10-24 | Samsung Electronics Co., Ltd. | Method of preparing solid electrolyte and all-solid battery including solid electrolyte prepared by the method |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2009047254A9 (de) | 2010-02-25 |
| US8075865B2 (en) | 2011-12-13 |
| CN101821199B (zh) | 2013-05-08 |
| EP2197795A1 (de) | 2010-06-23 |
| EP2197795B1 (de) | 2013-01-02 |
| DE102007048289A1 (de) | 2009-04-09 |
| CN101821199A (zh) | 2010-09-01 |
| JP2010540396A (ja) | 2010-12-24 |
| US20100290969A1 (en) | 2010-11-18 |
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