JPH0410711B2 - - Google Patents
Info
- Publication number
- JPH0410711B2 JPH0410711B2 JP19220882A JP19220882A JPH0410711B2 JP H0410711 B2 JPH0410711 B2 JP H0410711B2 JP 19220882 A JP19220882 A JP 19220882A JP 19220882 A JP19220882 A JP 19220882A JP H0410711 B2 JPH0410711 B2 JP H0410711B2
- Authority
- JP
- Japan
- Prior art keywords
- lipf
- organic solvent
- acidic impurities
- solute
- aqueous electrolyte
- 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.)
- Expired
Links
- 229910013870 LiPF 6 Inorganic materials 0.000 claims description 43
- 239000003960 organic solvent Substances 0.000 claims description 23
- 239000012535 impurity Substances 0.000 claims description 21
- 230000002378 acidificating effect Effects 0.000 claims description 20
- 239000011255 nonaqueous electrolyte Substances 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 11
- 150000001412 amines Chemical class 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 3
- 230000003472 neutralizing effect Effects 0.000 claims 1
- 238000006386 neutralization reaction Methods 0.000 description 10
- 238000000354 decomposition reaction Methods 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 5
- 238000001953 recrystallisation Methods 0.000 description 5
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- DHKHKXVYLBGOIT-UHFFFAOYSA-N 1,1-Diethoxyethane Chemical compound CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000001291 vacuum drying Methods 0.000 description 2
- SPEUIVXLLWOEMJ-UHFFFAOYSA-N 1,1-dimethoxyethane Chemical compound COC(C)OC SPEUIVXLLWOEMJ-UHFFFAOYSA-N 0.000 description 1
- LZDKZFUFMNSQCJ-UHFFFAOYSA-N 1,2-diethoxyethane Chemical compound CCOCCOCC LZDKZFUFMNSQCJ-UHFFFAOYSA-N 0.000 description 1
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 description 1
- 239000002879 Lewis base Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229930188620 butyrolactone Natural products 0.000 description 1
- 239000006182 cathode active material Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 150000007527 lewis bases Chemical class 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- H01M6/16—Cells with non-aqueous electrolyte with organic electrolyte
- H01M6/162—Cells with non-aqueous electrolyte with organic electrolyte characterised by the electrolyte
- H01M6/166—Cells with non-aqueous electrolyte with organic electrolyte characterised by the electrolyte by the solute
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D15/00—Lithium compounds
- C01D15/005—Lithium hexafluorophosphate
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Primary Cells (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19220882A JPS5981870A (ja) | 1982-11-01 | 1982-11-01 | 非水電解液用溶質の製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19220882A JPS5981870A (ja) | 1982-11-01 | 1982-11-01 | 非水電解液用溶質の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5981870A JPS5981870A (ja) | 1984-05-11 |
| JPH0410711B2 true JPH0410711B2 (zh) | 1992-02-26 |
Family
ID=16287457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19220882A Granted JPS5981870A (ja) | 1982-11-01 | 1982-11-01 | 非水電解液用溶質の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5981870A (zh) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0616421B2 (ja) * | 1987-05-12 | 1994-03-02 | 日本電信電話株式会社 | リチウム電池用電解液の製造方法 |
| JP2778065B2 (ja) * | 1988-11-28 | 1998-07-23 | 松下電器産業株式会社 | 非水電解液二次電池 |
| JPH07254415A (ja) * | 1993-12-20 | 1995-10-03 | Wilson Greatbatch Ltd | 電気化学電池およびその電圧遅延を減少させる方法 |
| US6001325A (en) * | 1996-11-26 | 1999-12-14 | Fmc Corporation | Process for removing acids from lithium salt solutions |
| US5869207A (en) * | 1996-12-09 | 1999-02-09 | Valence Technology, Inc. | Stabilized electrochemical cell |
| US6869547B2 (en) | 1996-12-09 | 2005-03-22 | Valence Technology, Inc. | Stabilized electrochemical cell active material |
| US5846673A (en) * | 1996-12-09 | 1998-12-08 | Valence Technology, Inc. | Additive to stabilize electrochemical cell |
| US6183718B1 (en) | 1996-12-09 | 2001-02-06 | Valence Technology, Inc. | Method of making stabilized electrochemical cell active material of lithium manganese oxide |
| DE19824984A1 (de) * | 1998-06-04 | 1999-12-09 | Basf Ag | Verfahren zur Kristallisation von hochreinem LiPF¶6¶ aus organischen Lösungsmitteln |
| JP3798560B2 (ja) | 1998-11-17 | 2006-07-19 | ステラケミファ株式会社 | 六フッ化リン酸リチウムの精製法 |
| US6322744B1 (en) | 1999-02-17 | 2001-11-27 | Valence Technology, Inc. | Lithium manganese oxide-based active material |
| US6468695B1 (en) | 1999-08-18 | 2002-10-22 | Valence Technology Inc. | Active material having extended cycle life |
| JP3973329B2 (ja) * | 1999-12-09 | 2007-09-12 | ステラケミファ株式会社 | 六フッ化リン酸リチウムの製造方法 |
| JP5849383B2 (ja) * | 2010-07-28 | 2016-01-27 | 宇部興産株式会社 | 過フッ化無機酸リチウムの水／有機溶媒混合溶液及びその製造方法 |
| JP5532181B1 (ja) * | 2013-10-31 | 2014-06-25 | Ｊｏｉｎｔエンジニアリング株式会社 | リチウム電池及び／又はリチウムイオン電池の電解質用リチウム塩の製造方法及び製造装置 |
-
1982
- 1982-11-01 JP JP19220882A patent/JPS5981870A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5981870A (ja) | 1984-05-11 |
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