JPH03207752A - Polymer solid electrolyte - Google Patents
Polymer solid electrolyteInfo
- Publication number
- JPH03207752A JPH03207752A JP230190A JP230190A JPH03207752A JP H03207752 A JPH03207752 A JP H03207752A JP 230190 A JP230190 A JP 230190A JP 230190 A JP230190 A JP 230190A JP H03207752 A JPH03207752 A JP H03207752A
- Authority
- JP
- Japan
- Prior art keywords
- solid electrolyte
- polymer solid
- ionic salt
- polymer
- molecular weight
- 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
Links
- 229920000642 polymer Polymers 0.000 title claims abstract description 14
- 239000007784 solid electrolyte Substances 0.000 title claims abstract description 14
- 150000003839 salts Chemical class 0.000 claims abstract description 12
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 9
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 9
- 150000002148 esters Chemical class 0.000 claims abstract description 6
- 150000001875 compounds Chemical class 0.000 claims abstract description 5
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 5
- -1 diacrylic ester Chemical class 0.000 claims abstract description 4
- 230000005865 ionizing radiation Effects 0.000 claims abstract description 3
- 239000002253 acid Substances 0.000 claims description 7
- 239000003792 electrolyte Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000004132 cross linking Methods 0.000 abstract description 2
- 230000001678 irradiating effect Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 5
- 238000010894 electron beam technology Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000004721 Polyphenylene oxide Substances 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920000570 polyether Polymers 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- YJZYIWSLGHDKON-UHFFFAOYSA-N 1,3-dioxepan-2-one;4-methyl-1,3-dioxolan-2-one Chemical compound CC1COC(=O)O1.O=C1OCCCCO1 YJZYIWSLGHDKON-UHFFFAOYSA-N 0.000 description 1
- JRRDISHSXWGFRF-UHFFFAOYSA-N 1-[2-(2-ethoxyethoxy)ethoxy]-2-methoxyethane Chemical compound CCOCCOCCOCCOC JRRDISHSXWGFRF-UHFFFAOYSA-N 0.000 description 1
- RRQYJINTUHWNHW-UHFFFAOYSA-N 1-ethoxy-2-(2-ethoxyethoxy)ethane Chemical compound CCOCCOCCOCC RRQYJINTUHWNHW-UHFFFAOYSA-N 0.000 description 1
- 241000473391 Archosargus rhomboidalis Species 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 125000001891 dimethoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 125000005397 methacrylic acid ester group Chemical group 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 235000012976 tarts Nutrition 0.000 description 1
- 239000002966 varnish Substances 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
- H01M6/18—Cells with non-aqueous electrolyte with solid electrolyte
- H01M6/181—Cells with non-aqueous electrolyte with solid electrolyte with polymeric electrolytes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polyethers (AREA)
- Conductive Materials (AREA)
- Primary Cells (AREA)
- Secondary Cells (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は一次電池、二次電池、エレクトロクロミックデ
イスプレィ、電気化学センサー、イオントフォレーＶス
、コンデンサーその他の電気化学的デバイスく用いるポ
リマー固体電解質に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to polymer solid electrolytes used in primary batteries, secondary batteries, electrochromic displays, electrochemical sensors, iontophores, capacitors, and other electrochemical devices. It is something.
従来技術とその問題点
従来のポリマー固体電解質は分子量が２，０００より低
いボリエーテμの架橋ネットワークが主であった。特に
シアクリｙ酸エステル又はジメタクリ〃酸エヌテμに変
性したボリエーテ〜を架橋したものは柔軟性が低いとい
う欠点があった。このため電池等に使用した場合、外部
からの力によって破壊しやすくシ１−Ｆ等の原因となっ
ていた。Prior art and its problems Conventional polymer solid electrolytes are mainly composed of crosslinked networks of polyether μ having a molecular weight lower than 2,000. In particular, those obtained by crosslinking polyether modified with cyacrylic acid ester or dimethacrylic acid NTE have a drawback of low flexibility. For this reason, when used in a battery or the like, it is easy to break due to external force, causing problems such as 1-F.
発明の目的
本発明は上記従来の問題点に鑑みなされたものであり、
機械的強度に優れた、イオン伝導度の高い、ポリマー固
体電解質を提供することを目的とするものである。Purpose of the Invention The present invention has been made in view of the above-mentioned conventional problems.
The purpose of this invention is to provide a polymer solid electrolyte with excellent mechanical strength and high ionic conductivity.
発明の構成
本発明は上記目的を達成するべく、
ポリエチレングリコ−〃のジアクリル酸エステ〜又は／
及びゾメタクリ／Ｉ／ＷＩエステ〜の架橋ネットワーク
高分子がイオン性塩を含み、該ポリエチレングリコ−ρ
の分子量がＺＯＯＯ乃至５０．０００であることを特徴
とするポリマー固体電解質である。Structure of the Invention In order to achieve the above object, the present invention provides a diacrylic acid ester of polyethylene glycol or/
The crosslinked network polymer of Zometacrylic/I/WI Esthe contains an ionic salt, and the polyethylene glyco-
It is a polymer solid electrolyte characterized by having a molecular weight of ZOOO to 50,000.
又、イオン性塩を相溶することができる化合物を該イオ
ン性塩と共に含有する前記のポリマー固体電解質である
。Further, the polymer solid electrolyte described above contains a compound capable of dissolving the ionic salt together with the ionic salt.
又、架橋ネットワークの形成は熱的、活性光線又は電離
性放射線の照射による前記のポリマー固体電解質である
。Further, the crosslinked network can be formed in the polymer solid electrolyte by thermal, irradiation with actinic light or ionizing radiation.
実施例 以下、本発明の詳細について実施例により説明する。Example Hereinafter, the details of the present invention will be explained with reference to Examples.
実施例（１）
ポリエチレングリコ−〜のジメタクリル酸ニスＰル（分
子量４，０００ ） １００重量部にＬｉ０Ｆ３Ｓ０゜
１１．５１量％のプロピレンカーボネート溶液を１００
重量部加えて、均一に混合した。この混合液をガラス板
にキャストし、１０Ｍｒａｄの電子線を照射した。この
膜の厚みは１１００ｐであり、複素インピーダンス法で
イオン伝導度を測定した結果、２５℃テ３Ｘ１０−４８
ｃｍ−１であった。Example (1) 100 parts by weight of dimethacrylic acid varnish P of polyethylene glycol (molecular weight 4,000) was mixed with 100 parts by weight of a propylene carbonate solution containing 11.51% by weight of Li0F3S0°.
Parts by weight were added and mixed uniformly. This mixed solution was cast on a glass plate and irradiated with an electron beam of 10 Mrad. The thickness of this film was 1100p, and the ionic conductivity was measured using the complex impedance method.
cm-1.
又、柔軟性テストとして９００折り曲げテストをおこな
った結果、この膜は割れを生じなかった。Further, as a result of conducting a 900-fold bending test as a flexibility test, this film did not crack.
別にポリエチレングリコ−〜のジメタクリ〃酸エステル
の分子量が４００．１，０００，２．０００とｉｏ、ｏ
ｏｏのものを用いて、同様の組成比で厚みｉｏｏ声鯛の
フィルムを得た。これらのイオン伝導度及び柔軟性テス
Ｆの結果を表１１Ｃ示した。Separately, the molecular weight of dimethacrylic acid ester of polyethylene glycol is 400.1,000, 2.000, io, o.
A film of Koedai sea bream with a thickness of 10 mm was obtained using the same composition ratio. The results of these ionic conductivity and flexibility test F are shown in Table 11C.
表 １
実施例２
ポリエチレングリコールのＶメタクリル酸エステＡ／（
分子量４，０００） １００重量部にＬｉ０Ｆ３ＳＯ３
１１，５重量％のジメトキＶエタン溶液を１００重量部
加えて、均一に混合した。この混合液をガラス板にキャ
ストし、ジメトキシエタンを蒸発させた。次に１０ Ｍ
ｒａｄの電子線を照射した。得られた膜の厚みは１００
声調であり、複素インピーダンス法でイオン伝導度を測
定した結果、２５℃で３Ｘ１０−’Ｓｃ＋ｍ−１であっ
た。Table 1 Example 2 Polyethylene glycol V methacrylic acid ester A/(
Molecular weight: 4,000) 100 parts by weight of Li0F3SO3
100 parts by weight of a 11.5% by weight dimethoxy V ethane solution was added and mixed uniformly. This mixture was cast on a glass plate, and dimethoxyethane was evaporated. Next 10M
It was irradiated with a rad electron beam. The thickness of the obtained film is 100
The ionic conductivity was measured using the complex impedance method and found to be 3X10-'Sc+m-1 at 25°C.
又、柔軟性テストとして、９００折り曲げテストをおこ
なつた結果、割れを生じなかった。ポリエチレングリコ
−〜のジメタクリμ酸エステルの分子量が４００ 、１
，０００ 、２．０００と１０．０００のものを用いて
、同様の組成比で厚み１００声解のフィルムを得た。こ
れらのイオン伝導度及び柔軟性テスＦの結果を表２ＩＣ
示した。Further, as a flexibility test, a 900-fold bending test was performed, and no cracks were found. The molecular weight of dimethacrylic acid ester of polyethylene glycol is 400, 1
,000, 2.000 and 10.000 were used to obtain films having a similar composition ratio and a thickness of 100. The results of these ionic conductivity and flexibility test F are shown in Table 2IC.
Indicated.
以下余白
表 ２
実施例３
実施例２において、電子線照射に代えて５重量部のアゾ
イソブチロニトリ〃を加えて１８０℃で１時間反応する
。これ以外はすべて、５Ｉ！施例２と同様とした。Margin Table 2 Example 3 In Example 2, instead of electron beam irradiation, 5 parts by weight of azoisobutyronitrile was added and the reaction was carried out at 180° C. for 1 hour. Everything else is 5I! The procedure was the same as in Example 2.
分子量４．０００で厚さ１００ｔ＃ｔの膜は、イオン伝
導度が２５℃で３Ｘ１０−’Ｓｃ禦−１であり、９０゜
折り曲げテストにおいて割れは生じなかったり実施例４
実施例２Ｎ−おいて、電子線照射に代えて２重量部のベ
ンゾフェノンと２重量部のトリエチルアミンを加えて、
１ｎの水銀ランデで１５ＣＩｌｌの距離から５０秒間、
紫外線を照射した。これ以外はすべて、実施例２と同様
とした。A membrane with a molecular weight of 4.000 and a thickness of 100t#t had an ionic conductivity of 3X10-'Sc-1 at 25°C, and no cracking occurred in the 90° bending test. , by adding 2 parts by weight of benzophenone and 2 parts by weight of triethylamine instead of electron beam irradiation,
50 seconds from a distance of 15CIll with 1n mercury rande,
Irradiated with ultraviolet light. Everything else was the same as in Example 2.
分子量４，０００で厚さ１００声ｍの膜は、イオン伝導
度が２５℃で３Ｘ１０−’５ｅａ−１であり、９０’折
り曲げテストにおいて割れは生じなかった。A membrane with a molecular weight of 4,000 and a thickness of 100 m has an ionic conductivity of 3 x 10 -'5 ea -1 at 25°C and no cracking occurred in the 90' bending test.
実施例５
実施例１において、ポリエチレングリコ−〜のジメタク
リル酸エステルに代えて、シアクリル酸エステ、Ａ／（
分子量４．０００ ）を用いた。これ以外はすべて、実
施例１と同様とした。Example 5 In Example 1, cyacrylic acid ester, A/(
(molecular weight 4.000) was used. Everything else was the same as in Example 1.
得られた厚み１００ｕｐの膜は、イオン伝導度が２Ｘ［
Ｑ−’ＳＣ＋ｍ−１であり（２５℃）、９０°折り曲げ
テストにおいても割れを生じなかった。The obtained membrane with a thickness of 100 up has an ionic conductivity of 2X [
Q-'SC+m-1 (25°C), and no cracking occurred even in the 90° bending test.
又、イオン性塩を相溶することができる化合物（溶剤）
をポリマー固体電解質は含有する＠必要に応じて、溶剤
を固体電解質に含ませることによって、イオン伝導性を
高めることが可能である。この場合、ポリエーテ〃の分
子量が高くなると、企＜の溶剤を含ませることができ、
イオン伝導性についても有利になり、さらに溶剤によっ
て膨潤した架橋ネットワーク高分子の強度を改善できる
。Also, a compound (solvent) that can dissolve ionic salts.
The polymer solid electrolyte contains @If necessary, it is possible to improve the ionic conductivity by including a solvent in the solid electrolyte. In this case, as the molecular weight of the polyether increases, it is possible to incorporate the intended solvent,
It is also advantageous in terms of ionic conductivity and can further improve the strength of the crosslinked network polymer swollen by a solvent.
尚、イオン性塩としては、Ｌｉ０１０４ 、 Ｌｉｎｔ
嶋ＬｉＡ８Ｆ６． Ｌｉ０Ｆ３ＳＯ３，ＬｉＰＦ６．
ＬｉＩ、 ＬｉＢｒＬｉ５ＯＮ ＮａＩ Ｌｉ２Ｂ
ｌ（ＩＯｌｌｏ、 Ｌｉ０Ｆ５００２． ＮａＢｒＭａ
ｓｏＮ、ＫＳＯＮ、Ｍｇ０ｈ、Ｍｇ（ＯＪＯ４）２゜（
（Ｈ３）４ＭＢＦ４． （ＯＪ）４ＮＢｒ （０２Ｈ
５）４ＮＯＩＯ４゜（０２■５）４ＮＩ （０３Ｈ７
）４ＮＢｒ （ｎ−０４Ｈ？）４ＮＩ（”−０５Ｈ１
１）４ＮＩが好ましいが限定しない。In addition, as the ionic salt, Li0104, Lint
Shima LiA8F6. Li0F3SO3, LiPF6.
LiI, LiBrLi5ON NaI Li2B
l(IOllo, Li0F5002.NaBrMa
soN, KSON, Mg0h, Mg(OJO4) 2゜(
(H3)4MBF4. (OJ)4NBr (02H
5) 4NOIO4゜(02■5)4NI (03H7
)4NBr (n-04H?)4NI(”-05H1
1) 4NI is preferred, but not limited.
イオン性塩を溶解することができる化合物とはテトラヒ
ドロフフン、２−メチ〜テトブヒドロフフン、１．５−
ジオキソラン、４．４−ジメチｔｖ−ｊ、３−ジオキン
フン、ｒ−プチロフクトン、エチレンカーボネート、プ
ロピレンカーボネート１ブチレンカーボネート、スルホ
フン、５−メチルスルホフン、 ｔａｒｔ、−ブチ、ル
エーテμ、１８０−プ千ρエーテル、１，２−ジメトキ
Ｖエタン、ｉ、２−エトキシメＦキシエタン、メチ〜ジ
グフイム、メチルトリグツイム、メチ〃テトフグライム
、エチルグツイム、エチルジグライム等があるが限定は
しない。Compounds that can dissolve ionic salts include tetrahydrofufurn, 2-methy-tetobutyrofufurn, 1.5-
Dioxolane, 4.4-dimethytv-j, 3-dioquinhun, r-butylofuctone, ethylene carbonate, propylene carbonate 1-butylene carbonate, sulfofune, 5-methylsulfofune, tart, -buty, luete μ, 180-butylene rhoether , 1,2-dimethoxyV-ethane, i,2-ethoxymeF-xyethane, methyl-digime, methyltriglyme, methytetophglyme, ethylgutime, ethyldiglyme, etc., but are not limited thereto.
ポリエチレングリコ−〃の分子量を上げることによって
、柔軟性と強度をさらに上げることができる。しかし分
子量を上げすぎると反応速度が低下し、生産性が悪くな
ることと、結晶化し易くなるために、伝導度の低下を招
き問題である・従って分子量はｚｏｏｏ乃至３０．００
０が好ましい。By increasing the molecular weight of polyethylene glycol, flexibility and strength can be further increased. However, if the molecular weight is increased too much, the reaction rate will decrease, productivity will deteriorate, and crystallization will occur easily, leading to a decrease in conductivity, which is a problem.Therefore, the molecular weight will be between zoooo and 30.00.
0 is preferred.
発明の効果
上述した如く、本発明は機械的強度に優れた、イオン伝
導度の高いポリマー固体電解質を提供することができる
ので、その工業的価値は極めて大である。Effects of the Invention As described above, the present invention can provide a polymer solid electrolyte with excellent mechanical strength and high ionic conductivity, and therefore has extremely great industrial value.
Claims (3)
又は／及びジメタクリル酸エステルの架橋ネットワーク
高分子がイオン性塩を含み、該ポリエチレングリコール
の分子量が２，０００乃至３０，０００であることを特
徴とするポリマー固体電解質。(1) A polymer solid characterized in that the crosslinked network polymer of diacrylic acid ester and/or dimethacrylic acid ester of polyethylene glycol contains an ionic salt, and the molecular weight of the polyethylene glycol is from 2,000 to 30,000. Electrolytes.
オン性塩と共に含有する請求項１記載のポリマー固体電
解質。(2) The polymer solid electrolyte according to claim 1, which contains, together with the ionic salt, a compound that is compatible with the ionic salt.
電離性放射線の照射による請求項１記載のポリマー固体
電解質。(3) The polymer solid electrolyte according to claim 1, wherein the crosslinked network is formed thermally, by actinic light, or by irradiation with ionizing radiation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP230190A JPH03207752A (en) | 1990-01-08 | 1990-01-08 | Polymer solid electrolyte |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP230190A JPH03207752A (en) | 1990-01-08 | 1990-01-08 | Polymer solid electrolyte |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03207752A true JPH03207752A (en) | 1991-09-11 |
Family
ID=11525543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP230190A Pending JPH03207752A (en) | 1990-01-08 | 1990-01-08 | Polymer solid electrolyte |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03207752A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2724261A1 (en) * | 1994-09-06 | 1996-03-08 | Hydro Quebec | ACEP ELECTROLYTE COMPOSITIONS BASED ON MIXTURES OF COPOLYMERS AND INTERPENETRATED NETWORKS. |
| US5620810A (en) * | 1992-07-22 | 1997-04-15 | Valence Technology, Inc. | Solid, solvent-containing electrolytes and electrolytic cells produced therefrom |
| US7097942B2 (en) | 2001-10-17 | 2006-08-29 | Samsung Sdi Co., Ltd. | Fluoride copolymer, polymer electrolyte comprising the same and lithium battery employing the polymer electrolyte |
| CN1302069C (en) * | 2001-05-03 | 2007-02-28 | 三星Sdi株式会社 | Polymer electrolyte, its prodcing process and lithim bottery using the same electrolyte |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01169875A (en) * | 1987-12-25 | 1989-07-05 | Ube Ind Ltd | Cell |
| JPH01294768A (en) * | 1987-09-18 | 1989-11-28 | Devars Ms Co | Liquid containing polymer network as a solid electrolyte |
| JPH0384809A (en) * | 1989-08-28 | 1991-04-10 | Hitachi Maxell Ltd | Lithium ion conductive polymer electrolyte |
-
1990
- 1990-01-08 JP JP230190A patent/JPH03207752A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01294768A (en) * | 1987-09-18 | 1989-11-28 | Devars Ms Co | Liquid containing polymer network as a solid electrolyte |
| JPH01169875A (en) * | 1987-12-25 | 1989-07-05 | Ube Ind Ltd | Cell |
| JPH0384809A (en) * | 1989-08-28 | 1991-04-10 | Hitachi Maxell Ltd | Lithium ion conductive polymer electrolyte |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5620810A (en) * | 1992-07-22 | 1997-04-15 | Valence Technology, Inc. | Solid, solvent-containing electrolytes and electrolytic cells produced therefrom |
| FR2724261A1 (en) * | 1994-09-06 | 1996-03-08 | Hydro Quebec | ACEP ELECTROLYTE COMPOSITIONS BASED ON MIXTURES OF COPOLYMERS AND INTERPENETRATED NETWORKS. |
| CN1302069C (en) * | 2001-05-03 | 2007-02-28 | 三星Sdi株式会社 | Polymer electrolyte, its prodcing process and lithim bottery using the same electrolyte |
| US7097942B2 (en) | 2001-10-17 | 2006-08-29 | Samsung Sdi Co., Ltd. | Fluoride copolymer, polymer electrolyte comprising the same and lithium battery employing the polymer electrolyte |
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