201125187 六、發明說明： 【發明所屬之技術領域】 本發明涉及一種電池，尤其涉及一種鋰電池及其製造方 法。 【先前技術】 按，移動手持電子裝置使用的鋰離子電池，因為具有卵 高的能量密度，在不恰當的電壓、電流、溫度、壓力下操作^ 會有起火或爆炸的風險，所以必須有一套嚴格的保護措施， 才能減少在使用中的危險性。一般應用中，會使用—片曰^有 保護迴路的保護電路板’來做為電池芯與系統間的保:蒦介 面。常見的保護迴路可以用來防止電池^皮操作在過大電 流、過高電壓、過低電壓、過高溫度、過低溫度等場合。 凊參閱第三圖，一種習知的鋰電池1〇〇，包括一電芯1〇,、 —保護電路板20,及一塑膠體30，。電芯10，上固定焊接^ 一正 ίΠ11，及—負極端子π，該正極端子U，上焊接有一正極 板20，m 1 ^極端子π上焊接有—負極㈣％。保護電路 固定裝設於電芯10,之一側，該保護電路板2〇，上設有正 雷^點、負極接點和輸出端子21、所述正極鎳片4(),與保護 20,之1 Μ之正極接點相連，所述負極錦片5〇,與保護電路板 路=接點相連:且正極錄片4〇’、負極錄片5〇,及保護電 内 、&件形式包覆於一體低溫注塑成型的塑膠體30, 電路3()’固化時黏附於電芯1G’—端，由此達到保護 電路板20,與電芯1〇’結合固定的效果。 10’一端的塑膠 40’及負極鎳片 ，但其承受外力 惟，所述保護電路板20，藉由黏附於電芯 『，3〇包覆點焊連接於電芯1G，上的正極錄片 ’貫現保護電路板20,與電芯10，結合固定 201125187 沖擊時易脫落，從而造成保護電路板20’與電芯10’斷開連接。 【發明内容】 本發明的主要目的係針對上述習知技術存在之缺陷提供 一種可確保保護電路板穩固固定於電芯上的鋰電池及其製造 方法。 為實現上述目的，本發明鋰電池包括一電芯、一保護電 路板、一正極鎳片、一負極鎳片、複數固持件及一塑膠體。 電芯具有一金屬殼及設於金屬殼一端的一正極端子及一負極 端子。保護電路板設於電芯之一側，該保護電路板上設有正 ^ 極接點、負極接點及輸出端子。正極鎳片焊接於正極端子與 正極接點之間。負極鎳片焊接於負極端子與負極接點之間。 複數固持件固定於電芯上，該等固持件分別具有一基部，基 部固定焊接於電芯的金屬殼上，該基部向保護電路板一側彎 折延伸形成有固接部。塑膠體以一體低溫注塑形式成型於所 述正極鎳片、負極鎳片、固接部及保護電路板上，且黏附於 電芯一側。 本發明所提供鋰電池製造方法，包括以下步驟：首先， • 將固持件的基部焊接於電芯的金屬殼上；其次，將正極鎳片及 負極鎳片之一端分別焊接於正極端子及負極端子上；再者，將 正極鎳片之另一端焊接於保護電路板之正極接點上，將負極鎳 片之另一端焊接於保護電路板之負極接點上，並使固持件的固 接部伸向保護電路板一側；最後，將所述正極鎳片、負極鎳片、 ' 固接部及保護電路板以嵌件形式一體低溫注塑成型，形成一塑 ' 膠體，並使塑膠體粘黏附於電芯之一側，即可完成本發明鋰電 池的製造。 如上所述，本發明藉由鋰電池之金屬殼一側固定設置的固 201125187 持件，在低溫注塑成型時塑膠體可包覆固定固持件，從而使嵌 入塑膠體中的保護電路板與電芯固定更穩固。 【實施方式】 為詳細說明本發明之技術内容、構造特徵、所達成的目的 及功效，以下茲例舉實施例並配合圖式詳予說明。 請參閱第-圖和第二圖，本發明鐘電池1〇〇包括一電芯 10、-保護電路板20、複數固持件3〇、一正極鎳片4〇、一： 極鎳片50及一塑膠體6〇。 ' 所述電芯10大致呈長方體狀’該電芯10具有一金屬和 11 ’金屬殼11之-側表面上固料接有-片狀的正極端子Γ2 ^圓柱狀的負極端子13，該正極端子12係由—錄片裁切製 側 肢瓜/皿 >王塑成型於電芯1〇 ，該保護電路板2〇之I·矣& , 〈 及輸出端子2卜 接點'負極接黑 該等==固持件3°固定焊接於電芯10之金屬殼11上， ^ 、 刀別具有一矩形片狀基部31，茂邻31 hi — 接於電芯1〇之金屬殼u上，該基 ^ 31固疋坤 路板20-側.f折延伸形成有_固接部u。則分別向保護電 所述正極錦片4〇大致呈歪倒的％ 焊接於正極端子12鱼 ^ 5亥正極鎳片4( ，、正極接點之間。所述負 歪倒的“u”型u 1貝極螺片5〇大致呈 點之間。 該負極鎳片5〇焊接於負極端子13與負極接 所述塑膠體60以一體低溫注塑形 4。、負極錄片5。、固接部32及=述正極錄片 電芯10 —側。 塔板20上’且黏附於 201125187 之變二尺寸的鐘電池100 ’其固持件30的長度及厚度亦隨 20上電極接Ζ件3G之長度需避免造成電芯與保護電路板 電本接點相接觸，厚度需滿足焊接需求。201125187 VI. Description of the Invention: [Technical Field] The present invention relates to a battery, and more particularly to a lithium battery and a method of manufacturing the same. [Prior Art] According to the lithium-ion battery used in mobile handheld electronic devices, because of the high energy density of eggs, operation under improper voltage, current, temperature, and pressure may cause fire or explosion, so there must be a set. Strict protection measures can reduce the risk of use. In general applications, a protective circuit board with a protective circuit is used as a protection interface between the battery and the system. Common protection circuits can be used to prevent battery operation in excessive current, excessive voltage, excessive voltage, excessive temperature, low temperature, etc. Referring to the third figure, a conventional lithium battery 1A includes a battery cell, a protective circuit board 20, and a plastic body 30. The battery cell 10, the upper fixed soldering electrode, and the negative electrode terminal π, the positive electrode terminal U is soldered with a positive electrode plate 20, and the m 1 ^ terminal π is soldered with a negative electrode (four)%. The protection circuit is fixedly mounted on one side of the battery core 10. The protection circuit board 2 is provided with a positive lightning point, a negative electrode contact and an output terminal 21, the positive nickel plate 4 (), and the protection 20, The positive electrode contacts of the 1 相连 are connected, and the negative electrode slab 5 〇 is connected with the protection circuit board road=contact: and the positive recording 4 〇 ', the negative recording 5 〇, and the protection electric, & The plastic body 30 coated in the integral low-temperature injection molding, the circuit 3 () 'cures to the end of the battery 1G' when cured, thereby achieving the effect of protecting the circuit board 20 and combining with the battery core 1'. 10' plastic 10' and negative nickel, but it is subjected to external force. However, the protective circuit board 20 is adhered to the battery core by attaching the spot welding to the battery core 1G. The protection circuit board 20, which is combined with the battery cell 10, is fixed to the 201125187 and is easily detached when impacted, thereby causing the protection circuit board 20' to be disconnected from the battery cell 10'. SUMMARY OF THE INVENTION The main object of the present invention is to provide a lithium battery capable of ensuring that a protective circuit board is firmly fixed to a battery cell and a method of manufacturing the same, in view of the above-described drawbacks of the prior art. To achieve the above object, the lithium battery of the present invention comprises a battery core, a protection circuit board, a positive electrode nickel piece, a negative electrode nickel piece, a plurality of holding members and a plastic body. The battery cell has a metal shell and a positive terminal disposed at one end of the metal shell and a negative terminal. The protection circuit board is disposed on one side of the battery core, and the protection circuit board is provided with a positive electrode contact, a negative contact, and an output terminal. The positive electrode nickel piece is welded between the positive electrode terminal and the positive electrode contact. The negative electrode nickel piece is welded between the negative electrode terminal and the negative electrode contact. The plurality of holding members are fixed to the battery core, and the holding members respectively have a base portion fixedly welded to the metal shell of the battery core, and the base portion is bent and extended toward the side of the protective circuit board to form a fixing portion. The plastic body is molded into the positive electrode nickel piece, the negative electrode nickel piece, the fixing portion and the protective circuit board in an integral low temperature injection molding manner, and adhered to the side of the battery core. The method for manufacturing a lithium battery provided by the present invention comprises the steps of: first, soldering a base of a holding member to a metal shell of a battery core; secondly, soldering one end of the positive electrode nickel piece and the negative electrode nickel piece to the positive electrode terminal and the negative electrode terminal, respectively. Further, the other end of the positive nickel piece is soldered to the positive electrode contact of the protection circuit board, and the other end of the negative electrode nickel piece is soldered to the negative electrode contact of the protection circuit board, and the fixed portion of the holding member is extended. To the side of the protection circuit board; finally, the positive nickel piece, the negative electrode nickel piece, the 'fixed part and the protective circuit board are integrally injection molded in the form of inserts to form a plastic 'colloid, and the plastic body is adhered to The fabrication of the lithium battery of the present invention can be accomplished by one side of the cell. As described above, the present invention is provided by a solid 201125187 holding member which is fixedly disposed on a metal shell side of a lithium battery, and the plastic body can cover and fix the holding member during low temperature injection molding, thereby fixing the protective circuit board embedded in the plastic body and the battery core. More stable. [Embodiment] In order to explain the technical contents, structural features, objects and effects of the present invention in detail, the embodiments will be described in detail below with reference to the drawings. Referring to the first and second figures, the clock battery 1 of the present invention comprises a battery core 10, a protection circuit board 20, a plurality of holding members 3, a positive nickel plate 4, a: a nickel plate 50 and a The plastic body is 6 inches. 'The battery cell 10 is substantially rectangular parallelepiped'. The battery cell 10 has a negative electrode terminal 13 of a metal and 11' metal shell 11 on the side surface of which the solid material is connected with a sheet-like positive terminal Γ 2 ^ cylindrical shape. The terminal 12 is formed by cutting the side limb melon/dish of the recording sheet, and Wang molding is formed on the battery core 1 , and the protection circuit board 2 is I·矣&, < and the output terminal 2 is connected to the cathode. Black=== holder 3° fixedly welded to the metal shell 11 of the battery core 10, ^, the knife has a rectangular sheet-like base 31, and the mating 31 hi is connected to the metal shell u of the battery core 1 The base portion 31 of the base plate is formed with a _ fixing portion u. Then, it is soldered to the positive electrode terminal 12, the positive electrode nickel piece 4 (, and the positive electrode contact point) to the positive electrode terminal 4 of the protective electrode, and the "u" type of the negative tripping. U 1 shell pole piece 5 〇 is substantially between the points. The negative electrode nickel piece 5〇 is welded to the negative electrode terminal 13 and the negative electrode is connected to the plastic body 60 to integrally form the low temperature injection molding 4. The negative electrode recording sheet 5. The fixing portion 32 and = positive electrode recording battery 10 - side. The length and thickness of the holding member 30 on the tray 20 'and the two-size clock battery 100 ' adhered to 201125187 also follow the length of the 20 upper electrode connector 3G It is necessary to avoid causing the battery core to contact the electrical contact of the protection circuit board, and the thickness needs to meet the welding requirements.
本發明之鐘電池100的製造方法，包括如下步驟：首先’ 將固持件30的基部31焊接於電芯1()的金屬殼u上·其次， 將正極錄片40及負5G之-端分別焊接於正極端子人12 端子Π上’·再者，將正極錦片仙之另—端焊接於保護 ^^0之正極接點上，將負極錄片5〇之另—端焊接於保護 電路板20之負極接點上，並使固持件3Q的固接部32伸向保 護電路板20 -侧；最後，將所述正極鎖片4〇、負極錄片％、 固接部32及保護電路板2G以嵌件形式—體低溫注塑成型，形 成一塑膠體60,並使塑膠體60黏附於電芯之—側，即可完 本發明鋰電池1 〇〇的製造。 凡 綜上所述，本發明藉由链電池100 一側固定設置的固持件 ，在低溫注塑成型時塑膠體60可包覆固定固持件3〇，從而 使嵌入塑膠體60中的保護電路板2〇與電芯1〇固定更穩固。 【圖式簡單說明】 第-圖係本發㈣電池之-種實施例的結構設置示意圖 第二圖係第一圖所示鋰電池之側視圖。 第三圖係一種習知的經電池的結構設置示魚圖 【主要元件符號說明】 鐘電池 100 電芯 10 金屬殼 11 正極端子 12 負極端子 13 保護電路板 20 輸出端子 21 固持件 30 基部 31 固接部 32 201125187 正極鎳片 40 負極錄片 50 塑膠體 60The method for manufacturing the clock battery 100 of the present invention comprises the steps of: first, soldering the base portion 31 of the holding member 30 to the metal shell u of the battery cell 1), and secondly, respectively, the positive electrode recording sheet 40 and the negative 5G end portion. Soldering on the positive terminal of the person's 12 terminal ''·, and soldering the other end of the positive electrode piece to the positive contact of the protection ^^0, and soldering the other end of the negative recording piece to the protective circuit board. The negative electrode contact of 20, and the fixing portion 32 of the holding member 3Q is extended to the side of the protection circuit board 20 -; finally, the positive locking piece 4, the negative recording part %, the fixing portion 32 and the protection circuit board 2G is formed by insert molding into a low-temperature injection molding to form a plastic body 60, and the plastic body 60 is adhered to the side of the battery core, thereby completing the manufacture of the lithium battery 1 of the present invention. In summary, the present invention is provided with a holding member fixedly disposed on one side of the chain battery 100. The plastic body 60 can cover and fix the holding member 3〇 during low temperature injection molding, so that the protection circuit board 2 embedded in the plastic body 60 can be 〇 It is more stable with the battery core 1〇. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view of a lithium battery shown in the first figure. FIG. The third figure is a conventional structure diagram of the battery according to the battery. [Main component symbol description] Clock battery 100 Cell 10 Metal case 11 Positive terminal 12 Negative terminal 13 Protection circuit board 20 Output terminal 21 Holder 30 Base 31 Solid Connection part 32 201125187 Positive nickel plate 40 Negative film 50 Plastic body 60
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