JPS5935366A - Nonaqueous electrolyte battery - Google Patents
Nonaqueous electrolyte batteryInfo
- Publication number
- JPS5935366A JPS5935366A JP57145210A JP14521082A JPS5935366A JP S5935366 A JPS5935366 A JP S5935366A JP 57145210 A JP57145210 A JP 57145210A JP 14521082 A JP14521082 A JP 14521082A JP S5935366 A JPS5935366 A JP S5935366A
- Authority
- JP
- Japan
- Prior art keywords
- solute
- nonaqueous electrolyte
- lithium
- electrolyte battery
- mixed
- 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！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とが用いられ、又
溶質とじ一〇は」ｂ塩素酸リチウム（ＬｉＣｆｆｉＯ＋
）、ホウフン化リチウム（ＬｉＢＦ４）、リチウムヘキ
サフルオロホスフェート（Ｌ ｉＰＦ＆）、リチウムト
リフルオロメタンスルホイ・−１〜（Ｌ ｉＣＦＭＳ
Ｏｓ ）などが用いられている。This kind of background technology! In the nonaqueous electrolyte, propylene carbonate, 1.2 dimethoxyethane, γ-butyllactone, and tetrahydrofuran are used as solvents, and the solute is lithium chlorate (LiCffiO+
), lithium borofluoride (LiBF4), lithium hexafluorophosphate (LiPF&), lithium trifluoromethanesulfoi-1~(LiCFMS
Os) etc. are used.
さて、これらの溶質の中でリチウムトリプルオロメタン
スルホネートは粘度が低いため低温時の放電特性は優れ
ているものの、電導性が低いため高率放電特性に問題が
あった。又、リチウムヘキフ
サルオロホスフエートは電導性が高いため高率放電特性
に優れているものの、粘度が高いため低温時の放電特性
に問題があった。Now, among these solutes, lithium triple olomethane sulfonate has a low viscosity, so it has excellent discharge characteristics at low temperatures, but it has a problem with high rate discharge characteristics because of its low conductivity. Furthermore, although lithium hexifsalolophosphate has high conductivity and is excellent in high rate discharge characteristics, it has a problem with discharge characteristics at low temperatures due to its high viscosity.
発明の開示
本発明は低温時の放電特性及び高率放電特性のいづれに
も優れた特性を示す非水電解液を提案するものであり、
その要旨とするところは溶質として少なくともリチウム
トリプルオロメタンスルポネートとリチウムへキサルオ
ロホスフエートとを含む混合溶質で構成することにある
。DISCLOSURE OF THE INVENTION The present invention proposes a non-aqueous electrolyte that exhibits excellent characteristics in both low-temperature discharge characteristics and high-rate discharge characteristics.
The gist is that the solute is a mixed solute containing at least lithium triple olomethane sulfonate and lithium hexalolophosphate.
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番こ打抜し）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・ン素樹脂粉末（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。As the negative electrode, a lithium rolled plate punched out to a specified size was used, and as the positive electrode, manganese dioxide (active material),
Carbon powder (conductive agent) and fluorine resin powder (binder) were mixed at a weight ratio of 85:10:5, and then this mixture was molded and heat treated.
Ｌ記の正、負極及びポリプロピレン製不織布よりなるセ
パレータと共にド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／こ 。Assemble a button-type nonaqueous electrolyte battery using the positive and negative electrodes shown in L and a separator made of polypropylene nonwoven fabric, as well as nonaqueous electrolytes having various compositions shown in Table C.
尚、溶媒はプロピレンカーボネート（ＰＣ）と１２ンメ
トキシエタン（Ｄ Ｍ Ｅ ）との等体積混合溶媒を用
いた。The solvent used was a mixed solvent of equal volumes of propylene carbonate (PC) and 12-methoxyethane (DME).
下表の非水電解液ａ、ｂ及びＣを夫々用０た電池Ａ、Ｂ
及びＣを２５６Ｃにおいて５００Ωの定抵抗で放電した
時の高率放電特性を第１図（こ示し、又−２０゛Ｃの低
温においてＩＯＫΩの定抵抗で放電した８専の低温放電
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 C and C were discharged at a constant resistance of 500Ω at 256C, and Figure 2 shows the low-temperature discharge characteristics of the As shown in the figure.
これら第１図及び第２図より明白なるように本発明によ
る電池（Ｃ）によれは、溶質としてリチウムヘキサフル
オロホスフェート（ＬｉＰＦ６）を単独で用いた電ｍ（
Ａ＞或いはリチウムトリフルオロメタンスルホネート（
Ｌ ｉＣＦａＳ Ｏａ）を単独で用いた電池ＣＢ）に比
し又高率放電特性及び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 FIGS. 1 and 2, the battery (C) according to the present invention has the following characteristics:
A> or lithium trifluoromethanesulfonate (
It can be seen that this battery is superior in both high-rate discharge characteristics and low-temperature discharge characteristics as compared to battery CB) in which LiCFaS Oa) was used alone.
この理由は評かでないが、低粘度の溶質と高電導性の溶
質との相剰効果によるものと思われる。Although the reason for this is not clear, it is thought to be due to the mutual effect of the low-viscosity solute and the high-conductivity solute.
尚、混合溶質の混合比率については第３図及び第４図に
示す結果を得た。ここで第３図は２５℃において５００
Ωの定抵抗による高率放電の場合、又第４図は一２０℃
の低温においてＩＯＫΩの定抵抗による低温放電の場合
である。Regarding the mixing ratio of mixed solutes, the results shown in FIGS. 3 and 4 were obtained. Here, Figure 3 shows 500°C at 25°C.
In the case of high rate discharge with a constant resistance of Ω, Figure 4 also shows the temperature at -20°C.
This is a case of low-temperature discharge with a constant resistance of IOKΩ at a low temperature of .
効果
」二・述した如く、非水電解液を構成する溶質として少
なくともリチウムトリフルオロメタンスルホフ
ネー１へとリチウム・＼キサルオロホスフエートを含む
混合溶質を用いることにより、非水電解液電池の高率放
電特性及び低温放電特性を改善しうるものであり、その
工業的価値は極めて犬である。Effects 2. As mentioned above, by using a mixed solute containing at least lithium trifluoromethanesulfophonate 1 and lithium xalolophosphate as the solute constituting the nonaqueous electrolyte, it is possible to improve the performance of nonaqueous electrolyte batteries. It can improve high-rate discharge characteristics and low-temperature discharge characteristics, and its industrial value is extremely high.
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
合溶質の混合比と放電容量との関係を示し、第３図は高
率放電時の場合、第４図は低温放電時の場合である。
第１図
放電ａ８ｒ間 （Ｈ）
第２図
方ダ； 喋（８ｊ！Ｖ ６噴 （Ｈ）第３図
廖１１す７４幻こ（’！。）
！２四のＩ晃をよ乙 （’／、）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 of mixed solutes and discharge capacity, FIG. 3 shows the case during high rate discharge, and FIG. 4 shows the case during low temperature discharge. Figure 1 Discharge between a8r (H) Figure 2 direction Da; Talk (8j! /,)
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、前記溶質は少なくともリチウムト
リプルオロメタンスルボネートとリチウムへキザルオロ
ホスフェートとを含む混へ 合溶質であることを特徴とする非水電解液電池。[Scope of Claims] ■ A negative electrode containing a light metal such as lithium trifluoride or sodium as an active material, a positive electrode, and a non-aqueous electrolyte consisting of a solvent and a solute, wherein the solute is at least lithium triple fluoride. A non-aqueous electrolyte battery characterized by a mixed solute containing methanesulfonate and lithium hexalolophosphate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57145210A JPS5935366A (en) | 1982-08-20 | 1982-08-20 | Nonaqueous electrolyte battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57145210A JPS5935366A (en) | 1982-08-20 | 1982-08-20 | Nonaqueous electrolyte battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5935366A true JPS5935366A (en) | 1984-02-27 |
| JPH0315301B2 JPH0315301B2 (en) | 1991-02-28 |
Family
ID=15379924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57145210A Granted JPS5935366A (en) | 1982-08-20 | 1982-08-20 | Nonaqueous electrolyte battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5935366A (en) |
-
1982
- 1982-08-20 JP JP57145210A patent/JPS5935366A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0315301B2 (en) | 1991-02-28 |
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