200929654 九、發明說明： 【發明所屬之技術領域】 本發明是有關於一種錯酸電池輕量化的方法，特別是 有關於一種利用複合材料取代鉛板作為導電板的方法。 【先前技術】 在曰常生活中，電池的使用隨處可見，電池是將化 0 學能或物理能直接變成電能的儲能裝置，可依其放電特 性及其工作性質大致分為一次電池（primary cell)及二次 • 電池（secondary battery)。一般在市面上看到的乾電池（碳 . 鋅電池）、鈕扣型電池或鹼性電池，用完後無法重複使用， 這種電池稱為一次電池。而像行動電話的電池或車子所 使用之電瓶，可重複充電使用循環使用，則稱為二次電 池，透過充電的過程，可使得電池内的化學活性物質再 度回復到原來之狀態，而能再度提供電力。這類的電池 ^ 有鉛酸電池、鎳鎘電池、鎳氫電池、二次鋰電池、鋰離 子電池即高分子鋰電池等。 二次電池始於1859年所生產之鉛酸電池，已伴隨著 人類文明走過百年以上之歷史，歷經過無數次的技術改 良，到目前為止仍是技術發展最為成熟的二次電池。鉛 酸電池所使用的陽極為鉛，陰極為二氧化鉛，電解質則 為稀硫酸溶液，因為鉛酸電池具有電動勢大、操作溫度 廣、結構簡單、技術成熟與價格低廉等優勢，再加上循 環使用之壽命長，使得此種電池的產量與產值在電池產 6 200929654 出中具有相當重要的地位。191) t 提供汽車電力，此外，還可酸電池開始用於 ⑽S)、船舶通訊系統以及一般種不斷電系統 机I緊急供電裝置等較大型的 -又備中。仁金σ酸電池本身大部分 成，而錯板之重量太重’在製作儲能裝置時就:二：： y量之問題’因此如何能解決鉛酸電池重量之問、題了 實是一個亟待解決之問題。 ❹ 有鑑於習知技藝之各項p弓違s 本 夕女題，為了能多句兼顧解決 之，本發明人基於多年研究開發與諸多實務經驗，提出 一種鉛酸電池輕量化的方法’以作為改善上述缺點之實 現方式與依據。 Μ 【發明内容】 #黯此，本發明之目的就是在提供—健酸電池 輕量化的方法，以解決上述鉛板重量較重之問題。 ❹ 根據本發明之目的，提出一種鉛酸電池輕量化的方 法，利用一種複合材料製作電導性板，包含提供一樹脂、 一導電碳化物、一改質添加劑及一分散劑，接著利用0一 成型製程使此樹脂與此導電碳化物形成一複合材料，以 此改質添加劑及分散劑使導電粉體均勻分散於此複合材 料中’以得一複合材料電導性板之成型品。 此外’本發明更提出一種錯酸電池用之複合材料電 導性板，其包含有： 一樹脂，佔此複合材料電導性板總重量的20%〜40〇/。 200929654 \ 重量百分比； 一導電碳化物，佔此複合材料總重量的60%〜80%重 量百分比； 一改質添加劑，佔此複合材料電導性板總重量的 0.01%〜1%重量百分比；以及 一分散劑，佔此複合材料電導性板總重量的 0.1%〜4%重量百分比。 ® 其中更可包含一導電添加物，係可佔此複合材料電 導性板總重量的〇」％〜10%重量百分比。 茲為使貴審查委員對本發明之技術特徵及所達到 之功效有更進一步之瞭解與認識，謹佐以較佳之實施例 及配合詳細之說明如後。 【實施方式】 Ο 以下將參照相關圖示，說明依本發明較佳實施例之 . 鉛酸電池輕量化的方法，為使便於理解，下述實施例中 之相同元件係以相同之符號標示來說明。 請參閱第1圖，其係為本發明之鉛酸電池輕量化的 方法之步驟流程圖。圖中，此方法將以下列步驟來說明： 步驟11 :提供一樹脂、一導電碳化物、一改質添加 劑及一分散劑。 其中，此樹脂佔複合材料總重量的20%〜40%重量百 分比，其可為乙烯酯樹脂或酚醛樹脂，此樹脂之玻璃轉 8 200929654 化溫度係大於100°c。 導電碳化物佔複合材料總重量的60°/❶〜80%重量百分 比，其可為導電石墨或膨脹型石墨。 改質添加劑複合材料總重量的0.01%〜1%重量百分 比’其可為一無電電鍍之鍍液如硝酸銀、硝酸銅或硝酸 錄等，或可為一無電電鑛之還原劑如三乙基爛氫化鐘 (LiBEt3H)、鋁氫化鋰（LiAlH4)、曱醛、葡萄糖及酒石酸BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for reducing the weight of a faulty acid battery, and more particularly to a method for replacing a lead plate as a conductive plate by using a composite material. [Prior Art] In the normal life, the use of the battery can be seen everywhere. The battery is an energy storage device that converts the energy or physical energy directly into electrical energy. It can be roughly divided into primary batteries according to its discharge characteristics and its working properties. Cell) and secondary battery. The dry battery (carbon. zinc battery), button battery or alkaline battery that is generally seen on the market cannot be reused after use. This battery is called a primary battery. A battery such as a mobile phone or a battery used in a car can be re-used and recycled. It is called a secondary battery. Through the charging process, the chemically active substance in the battery can be restored to its original state again. Provide electricity. This type of battery has a lead-acid battery, a nickel-cadmium battery, a nickel-hydrogen battery, a secondary lithium battery, and a lithium ion battery, that is, a polymer lithium battery. The lead-acid battery produced by the secondary battery since 1859 has been accompanied by the history of human civilization for more than 100 years. After numerous technical improvements, it is still the most mature secondary battery. The anode used in lead-acid batteries is lead, the cathode is lead dioxide, and the electrolyte is dilute sulfuric acid solution. Because lead-acid batteries have the advantages of large electromotive force, wide operating temperature, simple structure, mature technology and low price, plus cycle The long service life makes the output and output value of this battery have a very important position in the battery production. 191) t Provides vehicle power. In addition, acid batteries can be used for larger (10)S), ship communication systems, and general types of uninterruptible power system I emergency power supply units. The Renjin sigma acid battery itself is mostly made, and the weight of the wrong board is too heavy 'when making the energy storage device: 2:: The problem of the amount of y' so how to solve the problem of the weight of the lead-acid battery, the question is really a Urgent problems to be solved. ❹ In view of the fact that the various techniques of the prior art are in violation of the sacred problem, the inventor has proposed a method for lightweighting lead-acid batteries based on years of research and development and many practical experiences. Improve the implementation and basis of the above shortcomings. Μ 【Abstract】 The purpose of the present invention is to provide a method for reducing the weight of the acid battery to solve the problem that the above-mentioned lead plate is heavy. ❹ According to the object of the present invention, a method for lightweighting a lead-acid battery is proposed, which comprises preparing a conductive plate by using a composite material, comprising providing a resin, a conductive carbide, a modifying additive and a dispersing agent, and then forming by using a 0-shape The process forms a composite material of the resin and the conductive carbide, thereby modifying the additive and the dispersing agent to uniformly disperse the conductive powder in the composite material to obtain a molded article of the composite conductive plate. Further, the present invention further provides a composite material conductive plate for a faulty acid battery comprising: a resin, which accounts for 20% to 40 Å of the total weight of the composite electrically conductive plate. 200929654 \ weight percentage; a conductive carbide, accounting for 60% ~ 80% by weight of the total weight of the composite; a modified additive, accounting for 0.01% ~ 1% by weight of the total weight of the composite conductive plate; The dispersing agent accounts for 0.1% to 4% by weight of the total weight of the composite electrically conductive plate. ® may further comprise a conductive additive, which may constitute from 〇% to 10% by weight of the total weight of the composite conductive sheet. For a better understanding of the technical features of the present invention and the efficacies of the present invention, the preferred embodiments and the detailed description are as follows. [Embodiment] Hereinafter, a method for reducing the weight of a lead-acid battery according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings. For ease of understanding, the same elements in the following embodiments are denoted by the same reference numerals. Description. Please refer to Fig. 1, which is a flow chart showing the steps of the method for lightweighting a lead-acid battery of the present invention. In the figure, the method will be explained by the following steps: Step 11: Providing a resin, a conductive carbide, a modifier, and a dispersant. Wherein, the resin accounts for 20% to 40% by weight of the total weight of the composite material, and may be a vinyl ester resin or a phenolic resin, and the glass transition temperature of the resin is greater than 100 ° C. The conductive carbide is 60 ° / ❶ to 80% by weight based on the total weight of the composite, which may be conductive graphite or expanded graphite. 0.01%~1% by weight of the total weight of the modified additive composite' may be an electroless plating plating solution such as silver nitrate, copper nitrate or nitric acid, or may be a non-electrical ore reducing agent such as triethyl Hydrogenation clock (LiBEt3H), lithium aluminum hydride (LiAlH4), furfural, glucose and tartaric acid
分散劑佔複合材料總重量的0.1%〜4%重量百分比， ' 其可為界面活性劑或多元脂肪酸鈉鹽等。 * 更可包含一導電添加物以提昇複合材料電導性板之 導電性，其佔複合材料總重量的0.1%〜10%重量百分比， 其可為破奈米管（Carbon Nanotube)、導電性碳黑 (Conductive Carbon Black)、鎳膜碳纖維（Nickel coated Carbon Fiber)、球磨金屬膜碳纖維（Ball milled Carbon 〇 Fiber coated with Metal)、銀膜有機黏土（Silver deposited Organoclay)或銀膜碳纖維（Silver deposited Carbon Fiber) 等。 步驟12:利用一成型製程使樹脂與導電碳化物形成 一複合材料。 利用一成型製程使導電碳化物與樹脂均勻浪合’此 成型製輕可為一模塑成型、熱壓成型、片狀模造成型、 塊狀模造成型、樹脂轉模成型、纏絲成型或拉掛成型等 200929654 之加工程序。 、步驟13 :以分散劑使已改質之導電粉體均勻分散於 複合材料中，以得-複合材料電導性板之成型品。 其中更可包含在該複合材料電導性板上塗佈一錯 膏。 »月參閱第2圖，其係緣示為本發明之改質導電粉體 之示意圖。圖中，將未改質之導電粉體21以改質添加劑 進行改質之後，其在表面上具有更多可以反應之官能 基，如·ΝΗ2。而形成了已改質之導電粉體22,接著在加 入步驟11之樹脂中使之聚合，因此經聚合之複合材料就 •如第2圖中所示，單體與單體間靠著表面的官能基而形 成了化學鍵結23的連接，而大幅提升了導電粉體在複合 材料中之分散性，強化了複合材料之機械性質與電氣性 質。 第3圖，其係緣示為本發明之複合材料電導性板之 各種性質測試彙總表。圖中，所測試之體積導電度為55 (Ζ direction) S/cm，平面導電度為 ι18(χ，γ directi〇n) S/cm，模收縮率為〇 138 (mil/inch)，水吸收率為〇 μ (μ hlV23°C)，抗張強度為4423 (psi)，抗張模數為1>63 (1〇6 psi)’撓曲強度為5842 (psi)，撓曲模數為丨57(l〇6psi)， 熱膨脹係數為22.51 (μιη/ιηΐ)，熱傳導係數為3.572 (W/m_K ’ 25°C ) ’ 擴散率為 0.06 (cm2/s，25°C )。且其導 電度及其他機械性質與鉛相同，且其重量僅有鉛的四分 之一，可降低錯酸電池的整體重量’因此可幾乎完全取 200929654 代錯於錯酸電池中之角色，如在製作大型電池時，較輕 之重量使電池搬運容易，亦可使所消耗之能量不會因電 池之重量而損耗，達到節省能源之目的。 以上所述僅為舉例性，而非為限制性者。任何未脫 離本發明之精神與範疇，而對其進行之等效修改或變 更，均應包含於後附之申請專利範圍中。 【圖式簡單說明】 第1圖係為本發明之鉛酸電池輕量化的方法之步驟流程圖； 第2圖係為本發明之改質導電粉體之示意圖；以及 第3圖係為本發明之複合材料電導性板之各種性質測試 彙總表。 【主要元件符號說明】 11〜14 :步驟流程簡單說明； 21 22 ❹ 未改質之導電粉體； 已改質之導電粉體；以及 化學鍵結。 11The dispersing agent accounts for 0.1% to 4% by weight of the total weight of the composite material, and it may be a surfactant or a polybasic fatty acid sodium salt or the like. * It may further comprise a conductive additive to enhance the electrical conductivity of the composite electrically conductive plate, which is 0.1% to 10% by weight of the total weight of the composite material, which may be a carbon nanotube, conductive carbon black (Conductive Carbon Black), Nickel coated carbon fiber, Ball milled carbon 〇Fiber coated with Metal, Silver deposited Organoclay or Silver deposited Carbon Fiber Wait. Step 12: A resin is used to form a composite material with the conductive carbide by a molding process. The conductive carbide and the resin are uniformly waved by a molding process. The molding process can be a molding, a hot press molding, a sheet molding, a block molding, a resin molding, a wire molding or a pull molding. Processing procedures such as 200929654. Step 13: uniformly dispersing the modified conductive powder in the composite material with a dispersing agent to obtain a molded article of the composite conductive plate. Further, it may further comprise coating a wrong paste on the composite material conductive plate. Referring to Fig. 2, the rim is shown as a schematic view of the modified electrically conductive powder of the present invention. In the figure, after the unmodified conductive powder 21 is modified with a modifier, it has more reactive groups such as ΝΗ2 on the surface. The modified conductive powder 22 is formed, and then polymerized in the resin added to the step 11, so that the polymerized composite material is as shown in Fig. 2, and the monomer and the monomer are placed against each other. The functional group forms a bond of the chemical bond 23, which greatly enhances the dispersibility of the conductive powder in the composite material, and strengthens the mechanical and electrical properties of the composite material. Figure 3 is a summary of the various properties of the composite electrically conductive sheets of the present invention. In the figure, the measured volume conductivity is 55 (Ζ direction) S/cm, the plane conductivity is ι18 (χ, γ directi〇n) S/cm, the mode shrinkage is 〇138 (mil/inch), water absorption The ratio is 〇μ (μ hlV23°C), the tensile strength is 4423 (psi), the tensile modulus is 1>63 (1〇6 psi), the flexural strength is 5842 (psi), and the flexural modulus is 丨. 57 (l 〇 6 psi), coefficient of thermal expansion is 22.51 (μιη / ιηΐ), thermal conductivity is 3.572 (W / m_K ' 25 ° C) 'Diffusion rate of 0.06 (cm2 / s, 25 ° C). And its conductivity and other mechanical properties are the same as lead, and its weight is only a quarter of lead, which can reduce the overall weight of the wrong acid battery. Therefore, it can almost completely take the role of 200929654 in the wrong acid battery, such as When making a large battery, the lighter weight makes the battery easy to transport, and the energy consumed is not lost due to the weight of the battery, thereby saving energy. The above is intended to be illustrative only and not limiting. Any changes or modifications to the spirit and scope of the present invention are intended to be included in the scope of the appended claims. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a flow chart showing the steps of a method for reducing the weight of a lead-acid battery of the present invention; FIG. 2 is a schematic view showing a modified conductive powder of the present invention; and FIG. 3 is a view of the present invention. A summary of the various properties of the composite electrically conductive plates. [Explanation of main component symbols] 11~14: Brief description of the procedure flow; 21 22 ❹ Unmodified conductive powder; Modified conductive powder; and chemical bonding. 11