JPS5951471A - non-aqueous electrolyte battery - Google Patents
non-aqueous electrolyte batteryInfo
- Publication number
- JPS5951471A JPS5951471A JP57162701A JP16270182A JPS5951471A JP S5951471 A JPS5951471 A JP S5951471A JP 57162701 A JP57162701 A JP 57162701A JP 16270182 A JP16270182 A JP 16270182A JP S5951471 A JPS5951471 A JP S5951471A
- Authority
- JP
- Japan
- Prior art keywords
- aqueous electrolyte
- solute
- lithium
- mixed
- electrolyte battery
- 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.)
- Granted
Links
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Primary Cells (AREA)
Abstract
Description
【発明の詳細な説明】
技術分野
本発明はリチウム、ナトリウムなどの軽金属を活物質と
する負極と、金属の酸化物、硫化物、ハロゲン化物など
を活物質とする正極と、溶媒と溶質とからなる非水電解
液とを備えた非水電解液電池に係り、特に非水電解液の
改良に関するものである。[Detailed Description of the Invention] Technical Field The present invention comprises a negative electrode using a light metal such as lithium or sodium as an active material, a positive electrode using a metal oxide, sulfide, or halide as an active material, and a solvent and a solute. The present invention relates to a non-aqueous electrolyte battery equipped with a non-aqueous electrolyte, and particularly relates to improvements in the non-aqueous electrolyte.
背景技術
この種電池の非水電解液において、溶媒としてはプロピ
レンカーボネート、１．２ジメトキシエタン、γ−ブチ
ルラクトン、テトラハイドロフランなどが用いられ、又
溶質としては過塩素酸リチウム（Ｌｉ、ＯＡ！０４）、
ホウフッ化リチウム（Ｌｉ。Background Art In the non-aqueous electrolyte of this type of battery, propylene carbonate, 1.2 dimethoxyethane, γ-butyllactone, tetrahydrofuran, etc. are used as a solvent, and lithium perchlorate (Li, OA!) is used as a solute. 04),
Lithium borofluoride (Li.
ＢＦ４）、リチウムへキサフルオロホスフェート（Ｌｉ
、ＰＦ６）、リチウムトリフルオロメタンスルホネート
（ＬｉＣＦ、Ｓｏ、） などが用いられている。BF4), lithium hexafluorophosphate (Li
, PF6), lithium trifluoromethanesulfonate (LiCF, So, ), etc. are used.
さて、近年に至っては非水電解液電池の普及がめざまし
く、それに伴って高率放電特性差ｑに低温時の放電特性
の双方に優れた特性を示す電池が要望されている。Now, in recent years, non-aqueous electrolyte batteries have become widespread, and with this, there is a demand for batteries that exhibit excellent characteristics in both high-rate discharge characteristic difference q and low-temperature discharge characteristics.
発明の開そ
本発明は斯る点に鑑みてなされたものであり、その要旨
とするところは溶質として過塩素酸リチラム（ＬｉＣＩ
Ｏ４）とへキサフルオロホスフェ−）（Ｌｉ、ＰＦ６）
との混合溶質を用いることにある。DISCLOSURE OF THE INVENTION The present invention has been made in view of the above, and its gist is that lithium perchlorate (LiCI) is used as a solute.
O4) and hexafluorophosphate) (Li, PF6)
The purpose is to use a mixed solute with
実施例 以下本発明の一実施例につき詳述する。Example An embodiment of the present invention will be described in detail below.
負極としてリチウム圧延板を所定寸法に打抜いたものを
用い、又正極として二酸化マンガン（活物質）と、カー
ボン粉末（導電剤）と、フッ素樹脂粉末（結着剤）とを
８５：１０：５の重量比で混合したのち、この混合物を
成型し熱処理したるものを用いた。A lithium rolled plate punched to a specified size was used as the negative electrode, and manganese dioxide (active material), carbon powder (conductive agent), and fluororesin powder (binder) were used as the positive electrode in a ratio of 85:10:5. After mixing at a weight ratio of , this mixture was molded and heat treated.
上記の正、負極及びポリプロピレン製不織布よりなるセ
パレータと共に下表の各種組成の非水電解液を用いてボ
タン型非水電解液電池を組立てた。A button-type non-aqueous electrolyte battery was assembled using the above positive and negative electrodes and a separator made of a polypropylene nonwoven fabric, as well as non-aqueous electrolytes having various compositions shown in the table below.
尚、溶媒はプロピレンカーボネート（ＰＣ）と１．２ジ
メトキシエタン（ＤＭＥ）との等体積混合溶媒を用いた
。As the solvent, a mixed solvent of equal volumes of propylene carbonate (PC) and 1.2 dimethoxyethane (DME) was used.
下表の非水電解液ａ、ｂ及びＣを夫々用いた電池Ａ、Ｂ
及びＣを２５℃において５６００の定抵抗で放電した時
の高率放電特性を第１図に示し、又−２０℃の低温にお
いて５．６にΩの定抵抗で放電した時の低温放電特性を
第２図に示す。Batteries A and B using nonaqueous electrolytes a, b, and C shown in the table below, respectively.
Figure 1 shows the high-rate discharge characteristics when discharging and C with a constant resistance of 5600 at 25°C, and the low-temperature discharge characteristics when discharging with a constant resistance of 5.6 Ω at a low temperature of -20°C. Shown in Figure 2.
表
これら第１図及び第２図より明らかなように、本発明電
池（旬は、溶質として過塩素酸リチウムを単独で用いた
電池（Ｂ）及びリチウムへキサフルオロホスフェートを
単独で用いた電池（Ｃ１に比して高率放電特性と低温放
電特性のいづれにおいても優れていることがわかる。As is clear from these Figures 1 and 2, the batteries of the present invention (the battery using lithium perchlorate alone as the solute (B) and the battery using lithium hexafluorophosphate alone (B)) It can be seen that it is superior to C1 in both high rate discharge characteristics and low temperature discharge characteristics.
第３図は過塩素酸リチウムとリチウムへキサフルオロホ
スフェートの混合比を変化させた非水電解液を用いた電
池の室温、５６０Ω定抵抗放電時の放電容量を示す。尚
、溶媒は前記実施例と同様である。FIG. 3 shows the discharge capacity of batteries using non-aqueous electrolytes with varying mixing ratios of lithium perchlorate and lithium hexafluorophosphate during constant resistance discharge of 560Ω at room temperature. Note that the solvent is the same as in the previous example.
第３図より過塩素酸リチウムとリチウムへキサフルオロ
ホスフェートとの混合溶質の混合比は３ニアから７：６
の範囲が好ましい。From Figure 3, the mixing ratio of the mixed solute of lithium perchlorate and lithium hexafluorophosphate is from 3 to 7:6.
A range of is preferred.
第４図は過塩素酸リチウムとリチウムへキサフルオロホ
スフェートとの等体積混合溶質の濃度を０．１モル／ｌ
から５．０モル／ｌまで変化させた非水電解液を用いた
電池の室温、５６０Ω定抵抗放電時の放電容量を示す。Figure 4 shows the concentration of an equal volume mixed solute of lithium perchlorate and lithium hexafluorophosphate at 0.1 mol/l.
The discharge capacity of a battery using a non-aqueous electrolyte changed from 5.0 mol/l to 5.0 mol/l at room temperature during constant resistance discharge of 560Ω is shown.
尚、溶媒は前記実施例と同様である。Note that the solvent is the same as in the previous example.
第４図より濃度については０．５モル／ｌから１．５モ
ル／ｌの範囲が好ましい。From FIG. 4, the concentration is preferably in the range of 0.5 mol/l to 1.5 mol/l.
効 果
このように溶質として過塩素酸リチウムとリチウムへキ
サフルオロホスフェートとの混合溶質ヲ用いれば、夫々
の単独の場合に比して電導度が大きく、正極への含液率
も増大し、更に相乗作用によってどちらかの塩の析出を
防止する利点を奏するため高率放電及び低温放電時の電
池特性の改善が計れるものであり、その工業的価値は極
めて大きい。Effects As described above, if a mixed solute of lithium perchlorate and lithium hexafluorophosphate is used as a solute, the conductivity is higher than when each of them is used alone, and the liquid content in the positive electrode is also increased. Since it has the advantage of preventing precipitation of either salt through synergistic action, it is possible to improve battery characteristics during high rate discharge and low temperature discharge, and its industrial value is extremely large.
第１図及び第２図は各種電解液を用いた電池の高率放電
特性及び低温放電特性を示し、又第３図及び第４図は混
合溶質の混合比及び濃度と放電容量との関係を示す図で
ある。
炙４Ｌ 夛１ 簡 （Ｈン
第８図
第４図
流春辱Ｖめ（度（モ・２υ
３５１−Figures 1 and 2 show the high rate discharge characteristics and low temperature discharge characteristics of batteries using various electrolytes, and Figures 3 and 4 show the relationship between the mixing ratio and concentration of mixed solutes and discharge capacity. FIG. Roasted 4L 夛1 Simplified (Hn Figure 8 Figure 4 style of humiliation Vme (degree (Mo・2υ 351-
Claims (1)
負極と、正極と、溶媒と溶質とからなる非水電解液とを
備えるものであって、前記溶質が過塩素酸リチウムとリ
チウムへキサフルオロホスフェートとの混合溶質である
ことを特徴とする非水電解液電池。 ■ 前記混合溶質の混合比が５＝７から７：３の範囲で
あることを特徴とする特許請求の範囲第０項記載の非水
電解液電池。 ■ 前記混合溶質の濃度が０．５モル／ｌから１．５モ
ル／ｌの範囲であることを特徴とする特許請求の範囲第
０項記載の非水電解液電池。[Scope of Claims] ■ A negative electrode comprising a light metal such as lithium or sodium as an active material, a positive electrode, and a non-aqueous electrolyte comprising a solvent and a solute, the solute being lithium perchlorate or the like. A non-aqueous electrolyte battery characterized by a mixed solute with lithium hexafluorophosphate. (2) The non-aqueous electrolyte battery according to claim 0, wherein the mixing ratio of the mixed solute is in the range of 5=7 to 7:3. (2) The non-aqueous electrolyte battery according to claim 0, wherein the concentration of the mixed solute is in the range of 0.5 mol/l to 1.5 mol/l.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57162701A JPS5951471A (en) | 1982-09-17 | 1982-09-17 | non-aqueous electrolyte battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57162701A JPS5951471A (en) | 1982-09-17 | 1982-09-17 | non-aqueous electrolyte battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5951471A true JPS5951471A (en) | 1984-03-24 |
| JPH0351059B2 JPH0351059B2 (en) | 1991-08-05 |
Family
ID=15759655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57162701A Granted JPS5951471A (en) | 1982-09-17 | 1982-09-17 | non-aqueous electrolyte battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5951471A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0662729A1 (en) * | 1993-12-20 | 1995-07-12 | Wilson Greatbatch Ltd. | Nonaqueous electrolyte for improved performance and stability |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54110429A (en) * | 1978-02-16 | 1979-08-29 | Sanyo Electric Co | Nonnaqueous electrolyte cell |
-
1982
- 1982-09-17 JP JP57162701A patent/JPS5951471A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54110429A (en) * | 1978-02-16 | 1979-08-29 | Sanyo Electric Co | Nonnaqueous electrolyte cell |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0662729A1 (en) * | 1993-12-20 | 1995-07-12 | Wilson Greatbatch Ltd. | Nonaqueous electrolyte for improved performance and stability |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0351059B2 (en) | 1991-08-05 |
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