M427680 五、新型說明： 【新型所屬之技術領域】 本創作係有關一種具有單捲芯之鋰電池，尤指一種可有效降 低内阻，並提高導電性能者。 【先前技術】 目前鋰電池之捲芯主要是採用疊片或捲繞二種裝配方式，其 中，捲繞之裝配方式係以正極片包覆負極片，以形成負極片一端 的負極極耳位於捲芯的邊端，正極片的正極極耳位於捲芯中央的 單捲芯。而由於該正極極耳係位於單捲芯的中央位置，當單捲芯 置放於鋁殼體内，並將正極極耳及負極極耳分別焊接在鋁殼體上 方的正、負極柱的底部時，不但在焊接作業上相當不方便，且常 會由於焊接不良而產生内阻大、導電性差的問題。 有鑑於此’為了改善上述之缺點，使具有單捲芯之鐘電池能 在單捲芯結合於殼體内時，可方便組裝，且可有效降低内阻，提 高導電性能，_人料年的_及不㈣研發岐，遂有本創 φ 作之產生。 【新型内容】 本創作之主要目的在提供—種具有單捲芯之链電池藉由使 正極極耳位於單捲芯的侧邊，負極極耳夹置於單捲芯中間的結 構俾能讓正極極耳直接焊接在銘殼體的内壁以提高作業效率； 與正極接線組件呈電連接，負極極耳與負極接線組件 呈電連接，崎低酿，並提高導電性能。 為達上述創作之目的，本創作所設之具有單捲芯之链電池係 包括-銘殼體，純灿置放電解液及數個並狀單捲芯，任一 3 M427680 單捲芯的上方形成一正極極耳及一負極極耳，而鋁殼體的頂面係 設有一正極接線組件及一負極接線組件，且正極極耳、正極接線 組件與鋁殼體呈電連接，負極極耳與負極接線組件呈電連接，其 主要的技術特點在於：正極極耳係位於單捲芯的側邊，負極極耳 係夾置於單捲芯的令間。 實施時，正極極耳的頂端係焊接於鋁殼體的内壁上。 為便於對本創作能有更深入的瞭解，茲詳述於後： 【實施方式】 請參閱第1圖所示，其為本創作具有單捲芯之鐘電池丨之較 佳實施例，係包括一鋁殼體2、一正極接線組件3、一負極接線組 件4、一正極接片5、一負極接片6、數個單捲芯7、一絕緣片8 以及一絕緣層9。 銘殼體2係為令空的長方形體，包括一頂端具有開口的下般 體21及一蓋合在下殼體21的頂端以封閉該開口的蓋板22。正極 接線組件3及負極接線組件4分別連結於蓋板22的上方。 而正極接片5係為一長方形金屬板，其係以焊接方式結合於 蓋板22的底部，以與正極接線組件3呈電連接；負極接片6係為 概略呈平放U字形的金屬板，其一端與負極接線組件4呈電連接， 另一端則包覆一層絕緣 6卜以防止負極接片6與正極接片5 因相互接觸而短路另，數個並列之單捲芯7及絕緣片8係置放 於銘殼體2内。 請參閱第2圖所示，該單捲芯7係包括分別呈長條形的一正 極片71、一負極片72及二個隔離膜（73、74)。 該長條$正極片71的右端結^"一長條形正極極耳75，該正極 佳係為鋁極耳，正極極耳75的下半部谭接於正極片η 片71 ▲極耳75的上半部形成於正極片71的頂端上方。該正極 拣Κ沾主面的大部份區域係形成正極S71卜該正極區711係為正 搞·面塗佈—層混合正極材料、導電劑、黏著劑及溶劑的正 y，並在正極漿科經烘乾及輾壓程序後所形成。 I長條形負極片72的左端結合一長條形負極極耳76,該負極 76較佳係為銅極耳，負極極耳％的下半 ^負極極耳76的上半部形侧極片72的頂端上方。、該負極 72表面的大部份區域形成負極區721 ,該負極⑧⑵係為負極 72的表面塗伟一層齡負極材料導電劑黏著劑及溶劑的負 極漿料，並在貞極聽賴乾及健料後所形成。 而該隔離祕為絕緣材料，可為聚乙烯㈣、聚丙稀肝)、或 上述之多層結構如酸赃1正極片71置於底層貞極片72 置放於正極片71的上方時，該隔離膜係設有上、下二片其中， 下隔離膜73係失置於正極片71的正極區711與負極片下方的 負極區721之間，而上隔離膜74則是置放於負極片^上方的負 極區721上方。 藉此，將負極極耳76、負極片72及上隔離膜74向右折一小 段，再同時捲繞正極片7卜下隔離膜73、負極片72及上隔離膜 74 ’即可以上、下隔離膜（73、74)分別阻隔於正極# 的正極 區711與負極片72的負極區721之間。 請參閱第2、3圖所示，當正極片7卜負極片72及二個隔離 膜（73、74)同時捲、繞成為數個並列之單捲芯7之後，即可使正 極極耳75位於單捲芯7的側邊，負極極耳76失置於單捲芯7的 令間位置。而當單捲芯7置放於純邀2之下殼體21内部時，係 將正杨極耳75的上半部直接焊接於下殼趙2]之内壁上。 而如第4圖所示，當單捲芯7定位之後，係將一具有定位孔 们的絕緣片8置放於單捲芯7之上方，以使單捲芯7之負極極耳 %的上半部岭位孔81向上穿出。並如第5圖所示，將該單捲芯 7之負極極耳76的上半部焊接於負極接片6上。 如此-來，請再參閱第i圖所示，當蓋板22蓋合於下殼體U 的頂端’以點輝封口 ’並將電解液填充至銘殼趙2内以使單捲 芯7作用時，即可使單捲芯7 一側之正極極耳75、銘殼體2、正 極接片5及正極接線組件3呈電性連接，單捲芯7中間之負極極 耳76、負極接片6及負極接線組件4呈電性連接，並經由正極接 線組件3及負極接線組件4分別向外輸出正負電。 而將-絕緣層9包覆於組合後之域體2之外周緣之後，則 可包覆住帶正電之絲體2，靖止銘練2與其他導電物品碰 觸，或產生短路現象。 因此，本創作具有以下之優點： 1、 ^創作之正極極耳係位於單捲芯之側邊，負極極耳係夹置於 單捲芯之巾間’且正極極耳係直接焊驗體的内壁上， 以與正極接雜件呈電連接，並使貞祕耳與貞極接線組件 呈電連接’因此，可強化連結效果，以有效降低内阻，並被 高導電性能。 2、 本解之貞極接#係彎折延伸至正極接#的下方，且在彎折 則，係將單捲芯之負極極耳焊接於負極接片上因此，能有 效加快作業速度，節省人力裝配成本。 M427680 3、 本創作之單捲芯可依不同銘殼體之大小而調整長度及寬度， 因此’能適用於各種不同大小規格及不同型體的鋁殼體上。 4、 本創作可將捲芯的正、負極極耳分別以大面積方式與正極接 線組件及負極接線組件形成電性連接，因此，不但可讓通電 時之電壓及電流穩定，能負载大電流，且可有效散熱，以增 加產品使用哥命。 综上所述，依上文所揭示之内容，本創作確可達到創作之預 期目的，提供-種可方便組裝，可有效降低内阻，提高導電性能， 且可且有效散熱，明加產品使用壽命之具有單捲芯之鐘電池， 極具實用之價值，爰依法提出新型專利申請。 以上所述乃是本創作之具體實施例及所運用之技術手段，根 據本文的揭露或教導可衍生推導出許多的變更與修正，若依 作之構想所作之等效改變，其所產生之仍未超出說明書及圖 式所涵蓋之實質精神時’均應視為在本創作之技術範叙内，合 先陳明。 ° 【圖式簡單說明】 第1圖係為補作之較佳實施例之組合剖面圖。 第2圖係為本創作之單捲芯之元件分解圖。 第3圖係為本_之單狀崎體内並紅極極耳結合於 鋁殼體内壁之立體圖。 σ 第4圖係為本創作之單捲芯上方放置絕緣片，並將負極極耳由絕 緣片的定位孔中拉出之立體圖。 第5圖係為本創作之單捲芯的負極極耳結合在負極接片上 極接片尚未彎折前之仰視示意圖。 M427680 【主要元件符號說明】 具有單捲芯之鋰電池1 鋁殼體2 下殼體21 蓋板22 正極接線組件3 負極接線組件4 正極接片5 負極接片6 絕緣膠膜61 單捲芯7 正極片71 正極區711 負極片72 負極區721 下隔離膜73 上隔離膜74 正極極耳75 負極極耳76 定位孔81 絕緣片8 絕緣層9M427680 V. New Description: [New Technology Field] This creation is about a lithium battery with a single core, especially one that can effectively reduce internal resistance and improve conductivity. [Prior Art] At present, the core of a lithium battery is mainly assembled by lamination or winding. The winding assembly method is to cover the negative electrode sheet with a positive electrode sheet to form a negative electrode tab at one end of the negative electrode sheet at the core. At the edge end, the positive electrode tab of the positive electrode tab is located at the center of the core of the winding core. Since the positive pole is located at the center of the single core, the single core is placed in the aluminum casing, and the positive and negative poles are respectively welded to the bottom of the positive and negative poles above the aluminum casing. In addition, it is not only inconvenient in the welding work, but also has a problem of large internal resistance and poor electrical conductivity due to poor soldering. In view of the above, in order to improve the above disadvantages, the battery with a single core can be assembled in a single core, and can be easily assembled, and can effectively reduce internal resistance and improve electrical conductivity. _ and not (4) R & D, there is no such thing as the creation of φ. [New content] The main purpose of this creation is to provide a chain battery with a single core by placing the positive pole on the side of the single core, and the structure of the negative pole clip placed in the middle of the single core. The pole ear is directly welded to the inner wall of the inner casing to improve the working efficiency; the positive pole wiring assembly is electrically connected, the negative pole is electrically connected to the negative wiring assembly, the crucible is low, and the electrical conductivity is improved. For the purpose of the above creation, the single-core chain battery of this creation consists of - Ming shell, pure can be placed electrolyte and several single-core single core, any 3 M427680 single core above Forming a positive electrode tab and a negative electrode tab, and the top surface of the aluminum casing is provided with a positive electrode terminal assembly and a negative electrode terminal assembly, and the positive electrode tab and the positive electrode terminal assembly are electrically connected to the aluminum casing, and the negative pole tab is The negative wiring assembly is electrically connected, and its main technical features are: the positive pole is located on the side of the single core, and the negative pole clip is placed between the single core. In practice, the top end of the positive electrode tab is welded to the inner wall of the aluminum housing. In order to facilitate a deeper understanding of the present work, it will be described in detail later: [Embodiment] Please refer to FIG. 1 , which is a preferred embodiment of a battery with a single core, including a The aluminum casing 2, a positive electrode terminal assembly 3, a negative electrode terminal assembly 4, a positive electrode tab 5, a negative electrode tab 6, a plurality of single coil cores 7, an insulating sheet 8, and an insulating layer 9. The case 2 is an empty rectangular body including a lower body 21 having an opening at the top end and a cover plate 22 which is closed at the top end of the lower case 21 to close the opening. The positive electrode terminal assembly 3 and the negative electrode terminal assembly 4 are coupled to the upper side of the cover plate 22, respectively. The positive electrode tab 5 is a rectangular metal plate which is welded to the bottom of the cover plate 22 to be electrically connected to the positive electrode terminal assembly 3; the negative electrode tab 6 is a metal plate which is substantially flat U-shaped. One end is electrically connected to the negative electrode terminal assembly 4, and the other end is covered with a layer of insulation 6 to prevent the negative electrode tab 6 and the positive electrode tab 5 from being short-circuited by mutual contact, and a plurality of juxtaposed single-core cores 7 and insulating sheets The 8 series is placed in the inside casing 2. Referring to Fig. 2, the single core 7 includes a positive pole piece 71, a negative electrode piece 72 and two separator films (73, 74) each having an elongated shape. The right end of the strip $positive sheet 71 has a long strip of positive electrode tab 75, the positive electrode is preferably an aluminum tab, and the lower half of the positive tab 75 is connected to the positive tab η sheet 71 ▲ pole The upper half of the ear 75 is formed above the top end of the positive electrode tab 71. The positive electrode picks up most of the main surface of the main surface to form a positive electrode S71. The positive electrode region 711 is positively coated with a surface coating-layer mixed positive electrode material, a conductive agent, an adhesive, and a solvent, and is in the positive electrode slurry. Formed after drying and pressing procedures. The left end of the long strip negative electrode 72 is combined with an elongated negative electrode tab 76, which is preferably a copper tab, the lower half of the negative tab, and the upper half of the negative tab 76. Above the top of 72. A large portion of the surface of the negative electrode 72 forms a negative electrode region 721, and the negative electrode 8 (2) is a negative electrode slurry coated with a layer of a negative electrode material conductive agent adhesive and a solvent, and is in the bungee Formed after the material. The isolation is an insulating material, which may be polyethylene (four), polypropylene liver, or the above-mentioned multilayer structure such as the acid strontium 1 positive electrode sheet 71 is placed on the bottom layer of the bottom layer of the positive electrode sheet 71. The film system is provided with upper and lower sheets, wherein the lower separator 73 is lost between the positive electrode region 711 of the positive electrode sheet 71 and the negative electrode region 721 below the negative electrode sheet, and the upper separator 74 is placed on the negative electrode sheet ^ Above the upper negative zone 721. Thereby, the negative electrode tab 76, the negative electrode tab 72 and the upper isolating film 74 are folded to the right for a short period, and then the positive electrode sheet 7 is simultaneously wound under the separator 73, the negative electrode sheet 72 and the upper separator 74'. The membranes (73, 74) are respectively blocked between the positive electrode region 711 of the positive electrode # and the negative electrode region 721 of the negative electrode tab 72. Referring to FIGS. 2 and 3, when the positive electrode tab 7 and the negative separator 72 and the two separators (73, 74) are simultaneously wound and wound into a plurality of juxtaposed single-core cores 7, the positive electrode tabs 75 can be obtained. Located on the side of the single winding core 7, the negative electrode tab 76 is lost in the inter-position position of the single winding core 7. When the single core 7 is placed inside the casing 21 of the pure invitation 2, the upper half of the positive electrode tab 75 is directly welded to the inner wall of the lower casing 2]. As shown in Fig. 4, after the single winding core 7 is positioned, an insulating sheet 8 having positioning holes is placed over the single winding core 7 so that the negative core of the single winding core 7 is on the upper side. The half ridge hole 81 is pierced upward. As shown in Fig. 5, the upper half of the negative electrode tab 76 of the single core 7 is welded to the negative electrode tab 6. So, please refer to the figure i, when the cover 22 is closed to the top end of the lower casing U, and the electrolyte is filled into the inside of the shell to make the single core 7 act. When the single-core core 7 side of the positive electrode tab 75, the case 2, the positive electrode tab 5 and the positive electrode terminal assembly 3 are electrically connected, the single-core core 7 in the middle of the negative electrode tab 76, the negative electrode tab 6 and the negative wiring assembly 4 are electrically connected, and output positive and negative powers respectively through the positive electrode wiring assembly 3 and the negative electrode wiring assembly 4. After the insulating layer 9 is coated on the outer periphery of the combined domain body 2, the positively charged filament body 2 can be covered, and the Jingming 2 can be in contact with other conductive articles or short-circuited. Therefore, this creation has the following advantages: 1. The positive pole of the creation is located on the side of the single-coil core, and the negative-pole ear clip is placed between the towels of the single-core core, and the positive pole is directly welded to the test body. On the inner wall, it is electrically connected to the positive electrode connecting piece, and the cymbal ear is electrically connected with the drain terminal assembly. Therefore, the connection effect can be enhanced to effectively reduce the internal resistance and be highly conductive. 2. The 贞 接 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本. M427680 3. The single core of this creation can be adjusted in length and width according to the size of the different housings, so it can be applied to aluminum housings of various sizes and different types. 4. This creation can electrically connect the positive and negative poles of the core to the positive and negative wiring components in a large area. Therefore, not only can the voltage and current during power supply be stabilized, but also a large current can be loaded. And can effectively dissipate heat to increase the use of products. In summary, according to the content disclosed above, the creation can achieve the intended purpose of creation, providing a convenient assembly, which can effectively reduce the internal resistance, improve the conductivity, and can effectively dissipate heat, and use the product. The life of the single-core clock battery, very practical value, 提出 proposed a new patent application. The above is a specific embodiment of the present invention and the technical means used therein, and many variations and modifications can be derived from the disclosure or teachings herein, and if the equivalent changes are made according to the concept, the If it does not exceed the substantive spirit covered by the specification and the drawings, it should be regarded as within the technical paradigm of this creation. ° [Simple Description of the Drawings] Fig. 1 is a combined sectional view of a preferred embodiment of the complement. Figure 2 is an exploded view of the element of the single core of the creation. Fig. 3 is a perspective view of the single-shaped saddle body and the red pole tab attached to the inner wall of the aluminum casing. σ Fig. 4 is a perspective view showing the insulating sheet placed above the single core of the creation and pulling the negative electrode tab out of the positioning hole of the insulating sheet. Fig. 5 is a bottom view showing the negative electrode tab of the single-core core of the present invention combined with the negative electrode tab before the pole piece has not been bent. M427680 [Description of main components] Lithium battery with single core 1 Aluminum housing 2 Lower housing 21 Cover 22 Positive wiring assembly 3 Negative wiring assembly 4 Positive tab 5 Negative tab 6 Insulating film 61 Single core 7 Positive electrode 71 Positive electrode region 711 Negative electrode plate 72 Negative electrode region 721 Lower isolation film 73 Upper isolation film 74 Positive electrode tab 75 Negative electrode tab 76 Positioning hole 81 Insulation sheet 8 Insulation layer 9