TW219377B - Electrochemicl energy storage apparatus use hydrophilic separation material made of non-woven cloth and its production method - Google Patents
Electrochemicl energy storage apparatus use hydrophilic separation material made of non-woven cloth and its production method Download PDFInfo
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- TW219377B TW219377B TW082105048A TW82105048A TW219377B TW 219377 B TW219377 B TW 219377B TW 082105048 A TW082105048 A TW 082105048A TW 82105048 A TW82105048 A TW 82105048A TW 219377 B TW219377 B TW 219377B
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- 239000000463 material Substances 0.000 title claims abstract description 23
- 238000000926 separation method Methods 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000004744 fabric Substances 0.000 title abstract description 5
- 238000004146 energy storage Methods 0.000 title description 4
- 239000000835 fiber Substances 0.000 claims abstract description 23
- 239000003792 electrolyte Substances 0.000 claims abstract description 13
- 239000008367 deionised water Substances 0.000 claims abstract description 8
- 238000002844 melting Methods 0.000 claims abstract description 8
- 230000008018 melting Effects 0.000 claims abstract description 8
- 238000012983 electrochemical energy storage Methods 0.000 claims abstract description 6
- 229920000098 polyolefin Polymers 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract 2
- 238000003825 pressing Methods 0.000 claims abstract 2
- 239000004745 nonwoven fabric Substances 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000009960 carding Methods 0.000 claims description 4
- 229920000768 polyamine Polymers 0.000 claims description 3
- 229920001744 Polyaldehyde Polymers 0.000 claims description 2
- 150000004291 polyenes Chemical class 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims 1
- 150000001412 amines Chemical class 0.000 claims 1
- 229910052732 germanium Inorganic materials 0.000 claims 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 229910052740 iodine Inorganic materials 0.000 claims 1
- 239000011630 iodine Substances 0.000 claims 1
- 239000004952 Polyamide Substances 0.000 abstract description 5
- 229920002647 polyamide Polymers 0.000 abstract description 5
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 10
- 239000000126 substance Substances 0.000 description 5
- 238000004804 winding Methods 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- 235000011118 potassium hydroxide Nutrition 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- PBHRBFFOJOXGPU-UHFFFAOYSA-N cadmium Chemical compound [Cd].[Cd] PBHRBFFOJOXGPU-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000001029 thermal curing Methods 0.000 description 1
- 239000012929 tonicity agent Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/44—Fibrous material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/417—Polyolefins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/423—Polyamide resins
-
- 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Cell Separators (AREA)
- Nonwoven Fabrics (AREA)
Description
經濟部中央標準局員工消費合作社^11¾ 219377 A6 _ B6_ 五,發明説明(f ) 本發明關於一種平坦軟性耐電解質的分離材料,全由 纖維不織布構成,它可很快並完全地被水性鹼電解液浸潤 。此外本發明闋於這種分離材料之製方法。大部分之由聚 醭胺及/或聚烯纖維製的不織布,由於具可撓性及耐電解 質性,故都可使用。 這種分離材料用於在具鹼電解液的電化學能量儲存器 中防止正負電極接觸以及造成不想要的電流,而不會對電 解液的離子的透過有顯著的阻礙。 舉例而言,水性鹼電解液可用於錁鎘電池或鎳、氫及 鎳-金屬氫化物的蓄電池。在此情形中,正負電極由薄而 可捲的帶子構成,該帶子由該活性物料製成。由上述方式 的織維不雜布構成的分離材料放在二電極間,並随電極一 齊捲入。這種由正負電極與二層分離材料構成的四層物材 捲起後,將所造成的繞捲纳入一個鍍鎳之銷片所製的杯形 殼體中,然後將該殼體注/以高度湊縮的水性苛性鉀( Kalilauge)。在此該電解質須能迅速被所使用的不織布吸 附並存在其毛細孔中。 不利的因素偽為聚截胺或聚烯纖維分雞器的性質為嫌 水性.因此本身無法逹成電解質以上述所需之量迅速良好 地浸潤的這種重要之要件。但浸潤性不良,會在製造電池 時造成困擾,因為所予之電解質不能夠快地被接收且會在 電池内分布,因此在隨後加電解質時,該電解質會溘流並 污染製造裝置。又,在這種能量儲存器以後的操作中,如 (請先閱讀背面之注意事項再塡寫本頁) 82.3. 40,000 213377 A6 B6
經濟部中央標準局员工消費合作钍印S 五、發明説明(/) 浸潤不良時,則氣泡會聚積在分離材料中,而造成對離子 通過路徑長期性的阻礙,且因此使蓄電池的功率顯箸地減 少,甚至受阻。當電池偽為密不透氣者,這種情形還會造 成過高壓,使電池殼體爆炸。 曾有人做各種試驗,將本身為嫌水性的纖維不鏃布材 料所製的分離器做成充分親水,以用於電化學能量儲存器 中。 其例子中,美專利3947537提到利用一種表面 活性劑,一種張力劑(Tensid)處理纖維表面。 德專利申謓案DE — A2543 1 49提到在單絲纺 纱時加入親水性物質到聚合物熔融物中(該單絲傜要做分 離器用者)。 這二種方法都未顯示出滿意結果,因為每次把添加化 學品加入蓄電池敏感的化學条統中會造成干擾,當有多種 不同化學個別物存在時,<其原因很難確定位置。因此寧願 將分離器僅用準確界定的缕維材料構成,並且僅使用在能 量儲存器操作時不會干擾的親水性添加物。 具水性鹸電解質的電化學能量儲存器用的,由不織布 織的親水化分離材料主要利用一種聚醛胺及/或聚烯纖維 所製且梳理過的纖維不織布熱固化而製成。在此,所用之 纖維或纖維成份的30〜50%的材料熔點(熔軟點)較 其餘者為低。 此纖維不織布在一爐中加熱到一溫度,此溫度高於該 -4- (請先閱讀背面之注意事項再塡寫本頁) 本紙托尺圪通用中餿3家怍卒(CNS)甲4規济(21U X 297公穿) 82.3. 40,000 2193Π A6 B6 經濟部中央標準居員工消費合作社印" 五、發明説明(j) 缫維混合物第一成份的熔解範圍而低於其第二成份之熔解 範圍。如此在嫌出口加壓造成接合,在此該不織布(宜適 當地在二値羅拉間)做成所要的最終厚度,然後冷却。先 前熔軟的纖維隨後自發地至少部分地與其周圍者熔合,舉 例而言,這種方法發表於DE—0S 2164901。 本發明之目的在於,使構成分離材料用的不纗布的聚 烯及聚醯胺缕維變親水性。其中,在纖維不纗布之裂造之 前後不須用張力劑,且能確保不織布對30%水性齡溶液 有浸潤性。 造成這種親水性的物質必須對能量儲存器的所有材料 都能和平相處。 此處有一意外的發現.即,由聚醯胺及/或聚烯缕維 所製,在壚中的溫度完全乾燥的不織布的可潤濕性(邸親 水性)可以藉箸冷却後捲取前均匀地噴以除離子水而顯著 地改善,所用之除離子水/相對於該離開嫌且冷却至室溫的 不織布的乾重量的比為0. 5〜7重量%。 如此所濕化的分離材料對於3 0%Κ0Η水性液的浸 潤性有顯著改善,且在室溫濕度下儲藏至5天仍穩定,而 不須用任何張力劑。 以下用實例說明本發明,其中觀察親水性的大小。 〔實例1〕 在一梳理機(Krempel )上,把一種纖雒〔由3 0% -5- (請先閲讀背面之注意事項再項寫本頁) 82.3. 40,000 219377 A6 B6 經濟部中央標準局员工消費合作社印^ 五、發明説明(士) 重量聚丙烯纖雒,分德士支數2/38m, 70%重量的 二成份继維,分德士支數3. 3/64mm,由聚丙烯與 聚乙烯檐成,呈側對側排列〕做成一種重量72克/m2 的纖維不戡布。此不織布在一壚中加熱到145¾的溫度 並在二個冷羅拉間做為0. 2 2mm厚度。如此固化的不 織布的一部分在捲取前共噴以lh/m2除離子水,另一 部分不噴水。 然後用30%水性KOH溶液測潤濕性,其方法傜測 一分鐘及十分鐘後毛细管吸取高度,如上述用水預先潤化 的分離材料在1分後吸取高度為3 5nim,十分後為8 3 mm.而未潤化的産物1分後僅1 6mm,十分後僅54 m m 〇 〔實施例2〕 在一梳理機上,將一'種纖雒混合物〔含50%重量醯 胺6, 6 —纖維,分德士支數1. 7/40mm,及50 %重量之二成份绻维(同實例1之組成)〕做成一種80 g/m2重量的纖維不織奄。將此不織布在一遽中加熱到 14 5t:的溫度及做成◦. 27mm厚度,將如此所做的 不織布一部分在捲取前共用1 g/m2的除離子水潤化。 另一部分不噴水。 對3 0 % Κ Ο Η水溶液的潤濕性测試顯示出,預潤化 的分離材料的吸取高度為30mm ( —分後)及65mm -6 - (請先閲讀背面之注意事項再塡寫本頁) 82.3. 40,000 S19377 A6 _B6 __ 五、發明説明(¢) (十分後),而未潤濕之産品僅8mm (—分後)與35 m m (十分後)。 〔實例3 ) 在一梳理機上,將一種纗雒混合物(含65%重置聚 醯胺6, 6 —纖維.分德士支數1. 7/4〇mm,35 %重量之聚醯胺纖維,分德士支數3. 3/40mm·它 一部分由聚醯胺6構成,一部分由聚胺醛胺6, 6構成, 且做成核心/函殼式二成份绻維形式)做成重量70sm 2的不織布。此不織布在一壚中加熱至2 3 5 ¾溫度並在 二個冷羅拉間減厚至0. 25mm厚度。如此所製且固化 的不織布一部分在捲取前用1 g/m2除離子水潤化。另 一並分不潤化。 對3 0 % Κ Ο Η水溶液的潤濕性測試顯示出,預潤化 之材料的毛細管吸取高度/為22mm ( —分後)及67m m (十分後),而未潤化之産品僅為5mm ( —分後)及 2 5m ( 5 分後)。 經濟部中央標準局貝工消費合作社印災 (請先閱讀背面之注意事項再塡寫本頁) ,裝. 利用本發明方法的所得到的如實例所示的潤濕性之改 良效果是長期性的:即使在實内溫濕氣候條件下儲食5天 ,預潤之分離材料在十分後,所能得到的吸取高度仍較未 預潤者相關對照組分別高出22% (實例1) 27% (實 例2)及29% (實例3)。 本纸伍又/t边用中围;写家作苹(C,VS)甲.!現珞(210 X 297公$ ) 82.3. 40,〇〇〇
Claims (1)
- 219377 B7 C7 __D7 _ 六、申請專利範圍 1 .電化學能量儲存器用的由不織布製的親水化分離 材料,該電化學儲存器具有水性驗電解質,其中該不織布 由熔軟範圍不同的聚醛胺及/或聚烯纖維的混合物構成, 且藉加熱加壓使其低熔黏之缕維成分軟化而固定並壓縮, 其待戡在,該分離材料在使用前用除離子水潤化,其量為 其乾重量之0. 5〜7%重置。 2. —種含水性齡電解質的電化學能量鍺存器所用的 織維不織布的親水化分離材料的製造方法,其中將一種不 熔軟範圍的聚酵胺及/或聚烯纖維的混合物在一梳理機 成不織布,該熔點較低之缕雒之重量成份佔30〜50 % ^並將該不織布在一爐中加熱,僅使較低熔點之纗維成 解,然後加壓成所要之最终厚度並冷却固定成一種自 發性熔合之纖維不織布,其持擻在: 將該冷却到室溫的不織布用除離子水潤化,所用水量 為其重量的0. 5〜7 9T重量,然後將之捲取。 (請先閲讀背面之注意事項再碘寫本頁) 丨裝· 訂 絰濟部中央標準局R工消費合作::一印炎 甩中aw家«準(CNS)甲4规恪(210 X 297公贷)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4233412A DE4233412C1 (de) | 1992-10-05 | 1992-10-05 | Hydrophiliertes Separatorenmaterial aus Faservliesstoff für elektrochemische Energiespeicher und Verfahren zu seiner Herstellung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW219377B true TW219377B (en) | 1994-01-21 |
Family
ID=6469651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW082105048A TW219377B (en) | 1992-10-05 | 1993-06-24 | Electrochemicl energy storage apparatus use hydrophilic separation material made of non-woven cloth and its production method |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5401594A (zh) |
| EP (1) | EP0591616B1 (zh) |
| JP (1) | JPH06215750A (zh) |
| DE (2) | DE4233412C1 (zh) |
| ES (1) | ES2093883T3 (zh) |
| TW (1) | TW219377B (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7492573B2 (en) | 2005-03-30 | 2009-02-17 | Tdk Corporation | Electrochemical device |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0665054A1 (de) * | 1994-01-27 | 1995-08-02 | SECURETEC GmbH | Adsorbermaterial zur Anreicherung und Gewinnung von Spurenstoffen aus der Gasphase |
| JP3499930B2 (ja) * | 1994-10-07 | 2004-02-23 | 三洋電機株式会社 | アルカリ蓄電池 |
| US5589302A (en) * | 1994-11-04 | 1996-12-31 | Pall Corporation | Battery separator and battery containing same |
| KR100299559B1 (ko) * | 1994-12-28 | 2001-09-03 | 야마모토 카즈모토 | 전지세퍼레이터용습식부직포와그의제조방법및밀폐형2차전지 |
| US5645956A (en) * | 1995-07-27 | 1997-07-08 | Pall Corporation | Resilient battery separator |
| US5700599A (en) * | 1996-01-12 | 1997-12-23 | Danko; Thomas | High absorption rate battery separator |
| US5700600A (en) * | 1996-01-12 | 1997-12-23 | Danko; Thomas | Long life battery separator |
| JPH10106527A (ja) * | 1996-09-25 | 1998-04-24 | Matsushita Electric Ind Co Ltd | アルカリ蓄電池 |
| US6498825B1 (en) * | 1997-04-22 | 2002-12-24 | Silicon Laboratories Inc. | Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with programmable current limiting |
| DE60032735T2 (de) | 1999-01-08 | 2007-11-08 | Ahlstrom Mount Holly Springs, Llc | Dauerhafte hydrophile, nichtgewebte matte für wiederaufladbare alkalische batterien |
| US6495292B1 (en) | 2000-04-26 | 2002-12-17 | William W. Yen | Wettable nonwoven battery separator |
| US7063917B2 (en) | 2001-02-21 | 2006-06-20 | Ahlstrom Mount Holly Springs, Llc | Laminated battery separator material |
| JP2003068270A (ja) * | 2001-08-29 | 2003-03-07 | Sanyo Electric Co Ltd | ニッケル・水素蓄電池用セパレータ及びニッケル・水素蓄電池 |
| DE10213449A1 (de) * | 2002-03-26 | 2003-10-23 | Freudenberg Carl Kg | Hydrophiliertes Separatormaterial |
| DE10336380B4 (de) * | 2003-08-06 | 2005-08-25 | Carl Freudenberg Kg | Ultradünner, poröser und mechanisch stabiler Vliesstoff und dessen Verwendung |
| TWI251366B (en) * | 2004-01-19 | 2006-03-11 | High Tech Battery Inc | Alkaline polyvinyl alcohol doped polyepichlorohydrin polymer electrolyte thin film and its application |
| US7825822B2 (en) | 2005-04-01 | 2010-11-02 | Cepia, Llc | System and method for extracting and conveying modulated AC signal information |
| DE102006032035A1 (de) * | 2006-07-10 | 2008-01-17 | Carl Freudenberg Kg | Vliesstoff zur Verwendung in einem Separator für alkalische Batterien mit erhöhter chemischer und thermischer Beständigkeit sowie verbesserter Homogenität |
| IN2014MN02250A (zh) | 2012-11-30 | 2015-07-24 | Lg Chemical Ltd | |
| WO2014113944A1 (zh) * | 2013-01-23 | 2014-07-31 | 华南理工大学 | 一种隔膜纸及其制备方法和应用 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3947537A (en) * | 1971-07-16 | 1976-03-30 | Exxon Research & Engineering Co. | Battery separator manufacturing process |
| GB1522605A (en) * | 1974-09-26 | 1978-08-23 | Ici Ltd | Preparation of fibrous sheet product |
| US4091181A (en) * | 1977-09-01 | 1978-05-23 | Union Carbide Corporation | Rechargeable galvanic cell |
| US4359510A (en) * | 1980-07-31 | 1982-11-16 | Celanese Corporation | Hydrophilic polymer coated microporous membranes capable of use as a battery separator |
| JPS56156668A (en) * | 1980-12-25 | 1981-12-03 | Toshiba Corp | Alkaline battery |
| JPS57197757A (en) * | 1981-05-30 | 1982-12-04 | Sanyo Electric Co Ltd | Alkali zinc storage battery |
| US4650730A (en) * | 1985-05-16 | 1987-03-17 | W. R. Grace & Co. | Battery separator |
| JPH05114397A (ja) * | 1991-10-23 | 1993-05-07 | Sanyo Electric Co Ltd | 電池の製造法 |
-
1992
- 1992-10-05 DE DE4233412A patent/DE4233412C1/de not_active Expired - Lifetime
-
1993
- 1993-06-16 EP EP93109577A patent/EP0591616B1/de not_active Expired - Lifetime
- 1993-06-16 DE DE59303849T patent/DE59303849D1/de not_active Expired - Fee Related
- 1993-06-16 ES ES93109577T patent/ES2093883T3/es not_active Expired - Lifetime
- 1993-06-24 TW TW082105048A patent/TW219377B/zh active
- 1993-10-04 JP JP5247684A patent/JPH06215750A/ja active Pending
- 1993-10-05 US US08/131,832 patent/US5401594A/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7492573B2 (en) | 2005-03-30 | 2009-02-17 | Tdk Corporation | Electrochemical device |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2093883T3 (es) | 1997-01-01 |
| EP0591616B1 (de) | 1996-09-18 |
| DE59303849D1 (de) | 1996-10-24 |
| EP0591616A1 (de) | 1994-04-13 |
| DE4233412C1 (de) | 1994-02-17 |
| US5401594A (en) | 1995-03-28 |
| JPH06215750A (ja) | 1994-08-05 |
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