JPS59866A - Organic electrolyte secondary cell - Google Patents

Organic electrolyte secondary cell

Info

Publication number
JPS59866A
JPS59866A JP57110153A JP11015382A JPS59866A JP S59866 A JPS59866 A JP S59866A JP 57110153 A JP57110153 A JP 57110153A JP 11015382 A JP11015382 A JP 11015382A JP S59866 A JPS59866 A JP S59866A
Authority
JP
Japan
Prior art keywords
positive
negative electrodes
polyphenylene
organic electrolyte
conductive agent
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.)
Pending
Application number
JP57110153A
Other languages
Japanese (ja)
Inventor
Sanehiro Furukawa
古川 修弘
Kazuo Terashi
和生 寺司
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Sanyo Denki Co Ltd
Original Assignee
Sanyo Electric Co Ltd
Sanyo Denki Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sanyo Electric Co Ltd, Sanyo Denki Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP57110153A priority Critical patent/JPS59866A/en
Publication of JPS59866A publication Critical patent/JPS59866A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/60—Selection of substances as active materials, active masses, active liquids of organic compounds
    • 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

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

PURPOSE:To both enable a constant-current charge and prevent dissolution of an organic solvent, by using polyphenylene or its inductor, in which a conductive agent is mixed, for positive and negative electrodes and suppressing a cell voltage value in the initial time of charging. CONSTITUTION:A material formed in the pressure molding by mixing a conductive agent of graphite powder or the like in polyphenylene powder or powder of its inductor is used for positive and negative electrodes of an organic electrolyte secondary cell. By this cell, electric conductivity of the positive and the negative electrodes is improved, and a constant current charge is enabled while dissolution of an organic solvent can be prevented. Further cell capacity can be increased.

Description

【発明の詳細な説明】 技術の分野 本発明は有機電解質二次電池に関する。[Detailed description of the invention] field of technology The present invention relates to an organic electrolyte secondary battery.

背景技術 一般にこの種電池の形態としてはリチウム、ナトリウム
等の軽金属からなる負極と、プロピレンカーボネート、
γ−プチルヲクトン等の有機溶媒に過塩素酸リチウム(
Lie、504)、ホウ7ツ化リチウム(LiBF4)
等の溶質を溶解した有機電解質と、三酸化モリブデン、
五酸化バナジ6ム等ヲ活物質とする正極とで構成されて
いる。
BACKGROUND TECHNOLOGY In general, this type of battery has a negative electrode made of a light metal such as lithium or sodium, propylene carbonate,
Lithium perchlorate (
Lie, 504), lithium borosulfide (LiBF4)
An organic electrolyte containing dissolved solutes such as molybdenum trioxide,
It consists of a positive electrode using vanadium pentoxide as an active material.

而して、最近例えば特開昭56−136469 +j公
報に開示されているように、正負極をポリフェニレンで
構成し、溶質として過塩素酸リチウムを用いる新規な二
次電池が提案されている。
Recently, a new secondary battery has been proposed in which the positive and negative electrodes are made of polyphenylene and lithium perchlorate is used as the solute, as disclosed in, for example, JP-A-56-136469+j.

ポリフェニレン((C6H4)X)はそれ自身の電気伝
導度は10Ω・1以下と低いがイオン種をドーピングす
ることKよシ、そのt宣伝導度は10〜10Ω・1と上
昇して金属的性質を帯びるようKなる。
Polyphenylene ((C6H4) It becomes K so that it has a tinge.

、そしてこの電池の充放電反応機構は次式で表ゎさ′れ
る。
, and the charging/discharging reaction mechanism of this battery is expressed by the following equation.

(充り 正fMi(06H4)x十yLi 十y’=ゴ(Lly
 ・(06114)X)(放電) さて、この電池の問題点は前述したようにイオン種をド
ーピングする前のポリフェニレンの電気伝導度が低いた
め、充電初期における電池電圧が高く(第1図参照)、
定電流充電が困難であると共に有機溶媒を分解(通常分
解電圧は約5、OV)してしまうことである。
(Fully positive fMi (06H4) x 10yLi 10y' = Go (Lly
・(06114) ,
Constant current charging is difficult and the organic solvent is decomposed (usually the decomposition voltage is about 5 OV).

発明の開示 本発明は−F記問題点を解消すべくなされたものであり
、その要旨とするところは、導電剤を混合したポリフェ
ニレン或いはその誘導体を正負極に用いる点にあり、イ
オン種をドーピングする前におけるポリフェニレン或い
はその誘導体の電気伝導度を高めてこの種電池の特性を
改善するものである。
DISCLOSURE OF THE INVENTION The present invention has been made to solve the problems listed in -F, and its gist lies in the use of polyphenylene or its derivatives mixed with a conductive agent for the positive and negative electrodes, and by doping with ionic species. The purpose is to improve the characteristics of this type of battery by increasing the electrical conductivity of polyphenylene or its derivatives before the battery is heated.

発明を実施するだめの最長の形態 以下本発明の実施例について詳述する。The longest form for carrying out an invention Examples of the present invention will be described in detail below.

実施例1 ポリフェニレン粉末90重量%と導電剤としてのグラフ
ァイト粉末10重量%とを混合した混合物を加圧成型し
たものを正、負極とする。
Example 1 Positive and negative electrodes were prepared by pressure molding a mixture of 90% by weight of polyphenylene powder and 10% by weight of graphite powder as a conductive agent.

有機電解質はプロピレンカーボネートと1,2ジメトキ
シエタンとの等体積混合溶媒に過塩素酸lJチウムヲ溶
解したものであり、セパレータはポリプロピレン不織布
を用いて直径241m1、高さ6、OgIIIの電池(
A)を作成した。
The organic electrolyte was prepared by dissolving lJ tium perchlorate in an equal volume mixed solvent of propylene carbonate and 1,2 dimethoxyethane, and the separator was made of polypropylene non-woven fabric.
A) was created.

実施例2 実施例1において、導電剤として銅粉末を用いることを
除いて、他は実施例1と同様の電池(B)を作成した。
Example 2 A battery (B) was prepared in the same manner as in Example 1 except that copper powder was used as the conductive agent.

尚、比較のために導電剤を混合しないでポリフェニレン
単独で構成した正負極を用いる比較電池(C)を作成し
た。
For comparison, a comparative battery (C) was prepared using positive and negative electrodes made of polyphenylene alone without mixing a conductive agent.

これらの電池を充電電流2 m Aで20時間充電し、
放電電流2mAで放電した。第1図は充電特性、第2図
は放電特性を夫々示す。
These batteries were charged for 20 hours at a charging current of 2 mA,
Discharge was performed at a discharge current of 2 mA. FIG. 1 shows the charging characteristics, and FIG. 2 shows the discharging characteristics.

第1図よシボリフェニレン単独で構成した正負極を用い
た電池(C)では、充電初期の電池電圧が高く、初期の
み定電圧充電を行なわねばならず、且通常の有機溶媒の
分解電圧(約5.OV)以上の電圧を有している。
Figure 1 shows that in the battery (C) using positive and negative electrodes composed of siboriphenylene alone, the battery voltage at the initial stage of charging is high, and constant voltage charging must be performed only at the initial stage. 5.OV) or more.

これに対して本発明電池(A)(B)によれば、正負極
の電気伝導度が改善されているため、充電初期の電池電
圧が低く、充電初期から定電流充電が可能であると共に
有機溶媒を分解することはない。
On the other hand, according to the batteries (A) and (B) of the present invention, the electrical conductivity of the positive and negative electrodes is improved, so the battery voltage at the initial stage of charging is low, and constant current charging is possible from the initial stage of charging. It does not decompose the solvent.

又、第2図を参照すると、導電剤としてグラファイトを
用いた場合に容量が増大することが伺える。これはグラ
ファイトが層間化合物であるため、充電時に一部のLi
イオン又はClO4イオンがグラファイトにドープされ
、このLiイオン又はClO4イオンも放電に利用しう
るためである。
Furthermore, referring to FIG. 2, it can be seen that the capacity increases when graphite is used as the conductive agent. This is because graphite is an interlayer compound, so some Li
This is because graphite is doped with ions or ClO4 ions, and these Li ions or ClO4 ions can also be used for discharge.

尚、本発明の実施例では正負極の母体としてポリフェニ
レンの場合についてのみ述べたが、例えばポリパワフェ
ニレンビニレン、ポリバラフェニレンスルフィド、ポリ
メタフェニレンスルレフイド或いはポリバラフェニレン
オキシド等のポリフェニレン誘導体も使用しうる。
In the embodiments of the present invention, only polyphenylene was used as the base material of the positive and negative electrodes, but polyphenylene derivatives such as polypower phenylene vinylene, polyparaphenylene sulfide, polymetaphenylene sulfide, or polyparaphenylene oxide may also be used. I can do it.

又、有機電解質を構成する溶質についても実施例で示し
た過塩素酸リチウム以外にホウフッ化リチウム(LiB
F4)、6フツ化リンリチウl、!、 (LiPF6)
、6フソ化ヒ酸!J q−ラム(LiAsF6 )、4
塩化アルミニウムリチウム(tiA4c14)、等も利
用できる。
In addition, regarding the solute constituting the organic electrolyte, in addition to lithium perchlorate shown in the examples, lithium fluoroborate (LiB
F4), phosphorus lithium hexafluoride,! , (LiPF6)
, 6-fusoarsenic acid! Jq-lam (LiAsF6), 4
Lithium aluminum chloride (tiA4c14), etc. can also be used.

以上詳述したように、本発明はポリフェニレン或いはそ
の誘導体で正、負極を構成する有機電解質二次電池に関
するものであり、ボリフェ0レン或いはその誘導体に導
電剤を混合することにより、電気伝導度を改善して充電
初期における電池電圧値を抑え、定電流充電を可能なら
しめると共に有機溶媒の分解を阻止するものである。
As detailed above, the present invention relates to an organic electrolyte secondary battery in which the positive and negative electrodes are made of polyphenylene or its derivatives, and the electrical conductivity can be increased by mixing polyphenylene or its derivatives with a conductive agent. This improves the battery voltage value at the initial stage of charging, enables constant current charging, and prevents the decomposition of organic solvents.

又、導電剤として特にグラファイトを用いれば上記効果
に加えて電池容量の増大も計ることができ、このit池
の性能向上に資するところ人なるものである。
Furthermore, if graphite is used as a conductive agent, in addition to the above-mentioned effects, it is possible to increase the battery capacity, which greatly contributes to improving the performance of this IT battery.

【図面の簡単な説明】[Brief explanation of drawings]

図面はいずれも本発明電池と比較電池との特性比較図で
あり、第1図は充電特性、第2図は放電特性を夫々示す
。 (A)(B)・・・・・・本発明電池、l)・・・・・
・比較電池。
The drawings are characteristic comparison diagrams of a battery of the present invention and a comparative battery, with FIG. 1 showing charging characteristics and FIG. 2 showing discharging characteristics, respectively. (A) (B)...Battery of the present invention, l)...
・Comparison battery.

Claims (1)

【特許請求の範囲】 ■正負枠と、少なくとも一つの溶媒と少なくとも一つの
溶質とからなる有機電解質とを備え、前記正負極が導電
剤を混合したポリフェニレン或いはその誘導体で構成さ
れていることを特徴とする有機電解質二次電池。 ■前記導電剤がグラフ1イトであることを特徴とする特
許請求の範囲第0項記載の有機電解質二次電池。
[Claims] (1) It is characterized by comprising a positive and negative frame and an organic electrolyte made of at least one solvent and at least one solute, and the positive and negative electrodes are made of polyphenylene or a derivative thereof mixed with a conductive agent. Organic electrolyte secondary battery. (2) The organic electrolyte secondary battery according to claim 0, wherein the conductive agent is graphite.
JP57110153A 1982-06-25 1982-06-25 Organic electrolyte secondary cell Pending JPS59866A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57110153A JPS59866A (en) 1982-06-25 1982-06-25 Organic electrolyte secondary cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57110153A JPS59866A (en) 1982-06-25 1982-06-25 Organic electrolyte secondary cell

Publications (1)

Publication Number Publication Date
JPS59866A true JPS59866A (en) 1984-01-06

Family

ID=14528390

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57110153A Pending JPS59866A (en) 1982-06-25 1982-06-25 Organic electrolyte secondary cell

Country Status (1)

Country Link
JP (1) JPS59866A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53120139A (en) * 1977-03-29 1978-10-20 Teijin Ltd Primary cell using organic compounds as positive electrode active material
JPS56136469A (en) * 1980-03-11 1981-10-24 University Patents Inc Secondary cell and method of charging same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53120139A (en) * 1977-03-29 1978-10-20 Teijin Ltd Primary cell using organic compounds as positive electrode active material
JPS56136469A (en) * 1980-03-11 1981-10-24 University Patents Inc Secondary cell and method of charging same

Similar Documents

Publication Publication Date Title
JP3304187B2 (en) Electrolyte for lithium secondary battery
EP0478379A2 (en) A nonaqueous electrolyte secondary battery
JPH0945373A (en) Lithium secondary battery
JPH09194214A (en) Lithium manganese oxide compound and its preparation
JP2000021442A (en) Non-aqueous electrolyte secondary battery
JPS6286673A (en) Electrolyte for lithium secondary batteries
JPH07254436A (en) Lithium secondary battery and manufacturing method thereof
JP2004095243A (en) Lithium secondary battery using sulfur as positive electrode active material
JP2002313416A (en) Non-aqueous electrolyte secondary battery
JP2003036849A (en) Secondary battery
JPH11250933A (en) Non-aqueous electrolyte secondary battery
JPS62165879A (en) Secondary cell
JPH0355770A (en) Lithium secondary battery
JP3217456B2 (en) Battery electrolyte solution and battery electrolyte using the same
JPH04206471A (en) Nonaqueous electrolyte and battery containing it
JPS63307663A (en) Nonaqueous electrolyte secondary battery
JPH0359963A (en) Lithium secondary battery
JPH05307974A (en) Organic electrolyte secondary battery
JPS58137975A (en) Nonaqueous electrolyte secondary battery
JPH07335256A (en) Lithium secondary battery
Pistoia et al. Lead compounds as cathode materials for Lithium cells
JP3152695B2 (en) Non-aqueous electrolyte secondary battery
JPS58111275A (en) Organic electrolyte secondary battery
JPH05258743A (en) Lithium secondary battery
JP2001283904A (en) Non-aqueous electrolyte secondary battery