TW529200B - Modified lithium ion polymer battery - Google Patents

Modified lithium ion polymer battery Download PDF

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Publication number
TW529200B
TW529200B TW090116704A TW90116704A TW529200B TW 529200 B TW529200 B TW 529200B TW 090116704 A TW090116704 A TW 090116704A TW 90116704 A TW90116704 A TW 90116704A TW 529200 B TW529200 B TW 529200B
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TW
Taiwan
Prior art keywords
membrane
collector
cathode
modified
mixture
Prior art date
Application number
TW090116704A
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Chinese (zh)
Inventor
Guei-Ping Jang
Yong-Yang Yu
Tung-Jin Li
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High Energy Battery Co Ltd
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Publication date
Application filed by High Energy Battery Co Ltd filed Critical High Energy Battery Co Ltd
Priority to TW090116704A priority Critical patent/TW529200B/en
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Publication of TW529200B publication Critical patent/TW529200B/en

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Battery Electrode And Active Subsutance (AREA)

Abstract

A modified lithium ion polymer battery comprises: ananode sheet produced by mixing a binder with an anode powder and coating or dry powder calendering the mixture on a copper foil/aluminum foil collector; a cathode sheet produced by mixing a binder with a cathode powder and coating or dry powder calendering the mixture on a copper foil/aluminum foil collector; and an isolation membrane which is a non-porous polysiloxane membrane or a membrane formed by polyalkene oxide mixed with PVDF or a microporous PP membrane or a three-layer composite membrane of PP, PE and PP, in which the binder mainly comprises (A) 0.1 wt to 95 wt% of PVDF; (B) 0.1 wt to 90 wt% of a modified polyacrylate; (C) 0.1 wt to 85 wt% of a modified PE or polydiene, in which three components can be used individually or in a mixture of more than two components. The cathode sheet and the anode sheet obtained by the abovementioned method are stacked or wound by being interleaved with the isolation membrane, and the cathode collector and the anode collector are separately welded and assembled by an aluminum membrane.

Description

529200 五、發明說明⑴ 發明之領域 別2明於一種具改質性鐘離子聚合物電池,4要俜利用改曾性姑人 先前技術之說明 池 為黏合劑 合劑,此種黏人#=Γ且古偏乱乙稀與六氟丙稀的共聚合物作 較差,因此該聚合“池作力;之黏合力 與正、負極粉經過塗佈加工形成一壤 ^ 使黏合劑 結合(熱μ合),另因加入增塑進行加工 製程過程複雜、成本提高及增劑之卒取加卫’結果電池 發明之目的 rZ=eT二本⑽ (1) ·電池具有容量高及密度高。 (2) ·電池之長循環壽命高及内阻力小。 (3) ·電池之適用溫度範圍大。 (4) ·電池具高度安全性(不爆炸與不著火)。 明於混料、塗佈及疊片可在普通具 濕)環境下完成製造。 币瓜 (6) ·本發明於製程中無須作熱壓合之加工。 (7) ·本發明具有高倍速率放電能力及低自放電性。 529200 五、發明說明d 取聚偏氣乙烯2wt%、改貝聚乙浠2wt%、碳粉96wt%及N-曱美η比叹、m wt%,投入不銹鋼罐内並使用高速攪拌機授拌混合成^ 所需的尺寸。 祁丁疋1 丁人、粍而侍到負極片,再經過裁切成 實施例二: 依據實施例一中所述製備步驟,取聚偏氟乙烯2wt%、 I碳黑(如乙一炔黑⑽、姑酸鐘90wt%及及N_甲基勢虎 罐n使用南速谢半機麟混合成均一紐,取上· 於職舊(:烘箱中進行烘乾而得到正,再經過裁體上 實施例三:529200 V. Description of the invention 领域 The field of invention is described in a modified bell-ion polymer battery. 4 It is necessary to use the description of the previous technology of the modified battery as an adhesive mixture. Such a sticky person # = Γ 且 古The copolymer of eccentric ethylene and hexafluoropropylene is inferior, so the polymerization "pool work force; the adhesion force and the positive and negative electrode powders are coated to form a soil ^ to make the adhesive bond (heat μ bonding), In addition, the plasticization process is complicated, the cost is increased, and the additives are added. As a result, the purpose of the battery invention is rZ = eT Nihonbori. (1) The battery has a high capacity and a high density. (2) The battery Long cycle life, high internal resistance and small internal resistance. (3) · Battery's applicable temperature range is wide. (4) · Battery has high safety (non-explosion and non-ignition). It can be used in mixing, coating and laminating. It is usually manufactured under wet) environment. Coin melon (6) · The present invention does not need to be heat-pressed in the manufacturing process. (7) · The present invention has a high rate discharge capacity and low self-discharge. 529200 V. Invention Note d: Take 2wt% of poly vinylidene chloride, 2wt% of polyethylenimide, carbon powder 96wt% and N- 曱 Mei η, m wt%, put into a stainless steel tank and use a high-speed mixer to mix and mix to the required size. Qi Ding 疋 1 Ding Ren, Xiu served the negative electrode, and then cut Cut into the second embodiment: According to the preparation steps described in the first embodiment, take 2wt% of polyvinylidene fluoride, I carbon black (such as acetylene black tincture, 90wt% of gu acid bell, and N_methyl potential tiger can n use Nansu Xie Banjilin is mixed into a uniform button, which is taken on the old post (: drying in an oven to get a positive, and then through the third embodiment of the tailoring:

依據實施例一中所述製備步驟,取聚丙烯酸酯lwt%、改曾 電碳黑6wt%、鈷酸鋰92wt%及及N-甲基吡咯烷酮35wt%,投入不^銹鋼罐二^蚀雨 高速,拌機授拌混合成均一浆才斗,取銘箱並將漿料塗佈华體上内=用 〜200°C烘箱中進行烘乾而得到正極片,再經過裁於180C 實施例四: 依^實施例一中所述製備步驟,取聚偏氟乙烯L 8wt%According to the preparation steps described in Example 1, 1% by weight of polyacrylate, 6% by weight of modified carbon black, 92% by weight of lithium cobaltate, and 35% by weight of N-methylpyrrolidone were put into a stainless steel tank. High speed, mixer blending and mixing to form a uniform slurry, take the name box and apply the slurry to the upper part of the Chinese body = dry in an oven at ~ 200 ° C to obtain a positive electrode sheet, and then cut it at 180C. Example 4 : According to the preparation steps described in Example 1, take 8% by weight of polyvinylidene fluoride L

Wt% 0. 5wt% > 7. 5wt«/〇 ^ 89. 72wt%^t 人不綱罐内並使用高速攪拌機授拌混合成均—祕, 5 ^ l80^200〇c« 實施例五: ^ ^ ΐί ! 3·5wt〇/o ^ 96· 5wt〇/oA 95wt% ^ 用兩速謝半機攪拌、混合成均一漿料,取銅猪並將漿料塗佈於集電體上 於200 C烘箱中進行烘乾而得到正極片,再經過裁切成要求的尺寸。、 實施例六: 529200 五、發明~~------ ί 片f ’取實施例1中聚偏氟乙稀2wt%、改質聚乙烯2wt%及碳粉96wt%, i、之製備方法製得負極片c,並選擇無孔性聚環氧乙烧與聚偏氟乙烯相 互此合形成之隔離臈c,並形成如圖丨之疊$。 比較例1 : 之相同SSiSiSS如經下聚合物電池與前述Bel1咖技術製得Wt% 0. 5wt% > 7. 5wt «/ 〇 ^ 89. 72wt% ^ t In a tank without humans and use a high-speed mixer to stir and mix to form a homogeneous secret, 5 ^ l80 ^ 200〇c« Example 5: ^ ^ ΐί! 3 · 5wt〇 / o ^ 96 · 5wt〇 / oA 95wt% ^ Stir and mix with a two-speed Xieban machine to form a uniform slurry, take a copper pig and apply the slurry to a current collector at 200 C is dried in an oven to obtain the positive electrode sheet, and then cut into the required size. Example 6: 529200 V. Invention ~~ ------ ί Tablet f 'take 2wt% of polyvinylidene fluoride, 2wt% of modified polyethylene and 96wt% of carbon powder in Example 1, i. Preparation A negative electrode sheet c was prepared by the method, and a non-porous polyethylene oxide and polyvinylidene fluoride were combined to form the isolation 臈 c, and a stack as shown in Figure 丨 was formed. Comparative Example 1: The same SSiSiSS was prepared by the following polymer battery and the aforementioned Bel1 coffee technology

本發明聚合 物電池 内電阻 ιηΩ) 28 mQ 容量 700mAh -20°C 容量 90〇C,4 小時後 容量 2mm直徑釘 子刺穿電池 410mAh 680mAh 電池溫度升 高,不著火 不爆炸Polymer battery of the present invention Internal resistance ιηΩ) 28 mQ Capacity 700mAh -20 ° C Capacity 90 ° C, 4 hours later Capacity 2mm diameter nail pierced battery 410mAh 680mAh Battery temperature rises, does not catch fire or explodes

Bellcore 技 術製得聚合 物電池 50 mQ 540mAh 40mAh 溫度升高會 冒煙Polymer battery made by Bellcore technology 50 mQ 540mAh 40mAh Smoke rises when temperature rises

施〆述,本發明為—種具改f性鋰離子聚合物電池,具有容量高'密产古、According to Shi Yan, the present invention is a kind of modified lithium-ion polymer battery with high capacity,

Claims (1)

529200 碳酸酯(dimethyl carbonate)、二乙氧基乙烷(diethoxyethane)、二乙基碳 酸酯(diethyl carbonate)、二曱氧基乙烷(dimethoxyethane)、二丙基碳酸酯 (dipropyl carbonate);及共聚合物所混合而成。 7·如申請專利範圍第6項所述之聚合物電池,其中電解質的濃度為0.1M〜2M。529200 carbonate (dimethyl carbonate), diethoxyethane, diethyl carbonate, dimethoxyethane, dipropyl carbonate; and Blended with polymers. 7. The polymer battery according to item 6 of the scope of patent application, wherein the concentration of the electrolyte is 0.1M ~ 2M.
TW090116704A 2001-07-06 2001-07-06 Modified lithium ion polymer battery TW529200B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004013044A1 (en) * 2004-03-09 2005-09-29 Varta Microbattery Gmbh Galvanic element
US10428246B2 (en) 2017-12-19 2019-10-01 Industrial Technology Research Institute Adhesive composition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004013044A1 (en) * 2004-03-09 2005-09-29 Varta Microbattery Gmbh Galvanic element
US10428246B2 (en) 2017-12-19 2019-10-01 Industrial Technology Research Institute Adhesive composition

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