TWI807754B - Manufacturing method for collector plate with carbon nanotube paper - Google Patents
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本發明係有關於一種具奈米碳管紙之集電板製造方法，尤其是指一種在使用上能獲得更佳的使用特性，進而提升產品競爭力，而在其整體施行使用上更增實用功效特性者。 The present invention relates to a method for manufacturing a current collector plate with carbon nanotube paper, especially a method that can obtain better use characteristics in use, thereby improving product competitiveness, and has more practical and functional characteristics in its overall implementation and use.
按，近年來可攜式電子產品與周邊軟硬體裝置，已成為絕大多數人們日常生活中的必需品，包含在工作、學校、洽公、休閒旅遊、用餐、醫療照護、社交活動等，皆會使用與攜帶不同需求的可攜式電子產品；而在開發多元化可攜式電子產品時，發展體積小且高容量的二次電池，成為非常重要的一環，同時電池的穩定性、安全性與壽命也是需要考慮的重點。 In recent years, portable electronic products and peripheral software and hardware devices have become the necessities of most people’s daily life, including work, school, business meetings, leisure travel, dining, medical care, social activities, etc. Portable electronic products with different needs are used and carried; when developing diversified portable electronic products, the development of small and high-capacity secondary batteries has become a very important part, and the stability, safety and life of batteries are also the focus of consideration.
而可攜式燃料電池，可以藉由補充燃料持續發電，製作成充電裝置，是被認為能夠搭配二次電池充電裝置的方案之一，相當具有應用潛力，許多國際知名的電子企業，皆曾致力於發展可攜式燃 料電池，用於攜帶式電子產品如筆記型電腦、手機等充電使用；燃料電池其原理是利用儲存在燃料中的能量，藉由電化學轉化為電能，具有轉換效率高、潔淨、低噪音與構造較為簡單等優點，且不同於二次電池需要進行充電儲能，燃料電池之活性物儲存於燃料中，僅需不斷地補充燃料維持電化學反應，即可持續進行發電。 The portable fuel cell, which can generate electricity continuously by supplementing fuel, can be made into a charging device. It is considered to be one of the solutions that can be used with a secondary battery charging device. It has considerable application potential. Many internationally renowned electronics companies have committed themselves to the development of portable fuel cells. Fuel cells are used to charge portable electronic products such as laptops and mobile phones. The principle of fuel cells is to use the energy stored in fuel and convert it into electrical energy through electrochemical processes. It has the advantages of high conversion efficiency, cleanliness, low noise, and relatively simple structure. Unlike secondary batteries, which need to be charged and stored, the active substances of fuel cells are stored in fuel. Only by constantly replenishing fuel to maintain electrochemical reactions can continuous power generation be achieved.
一般燃料電池雙極板/集電板在設計與製作時所需要考量之處係如：較為常見的雙極板皆含有流道設計，具有傳輸燃料供應與收集電子的功能，膜電極組被夾合在兩者之間，電子經由陽極金屬集電板接至外部電路陰極形成一個迴路後即可發電。目前常見的雙極板主要材料的分類，包含石墨-高分子複合材料集電板、金屬集電板與複合型集電板。燃料電池所產生的電力均需透過集電板或稱雙極板的媒介將電源輸出至外部，因此一般而言適用於質子交換膜燃料電池的雙極板應具備下列基本功能，以提升電池性能：(1)分隔氧化劑與還原劑，避免氫氣經由極板產生crossover的影響；(2)優良的機械強度，使雙極板得以與MEA均衡接觸，以收集電流；(3)適當的流道設計，使燃料能均勻地分佈至各Cell之中，產生均勻的電化學反應，並且在陰極得以帶走生成物水，以避免積水的現象，導致電池效能減低；(4)良好的熱傳導效能，使電池內溫度均勻，並且可以達成散熱與溫度控制效果；(5)優良的導電性以收集電流輸出至外部使用；(6)適合的電極板開孔率，流場溝槽面積與電極總面積之比例，應有一適當比例，開孔過高，會造成MEA與雙極板之接觸電阻抗過高而減低性能，開孔過低則會降低MEA觸 媒的利用率以及內部流場的阻力過高，也會減低電池效能。 General fuel cell bipolar plates/collectors need to be considered in the design and production of such things as: the more common bipolar plates have flow channel design, which has the function of transmitting fuel supply and collecting electrons. At present, the classification of the main materials of common bipolar plates includes graphite-polymer composite material collector plates, metal collector plates and composite collector plates. The electricity generated by the fuel cell needs to be output to the outside through the medium of the collector plate or the bipolar plate. Therefore, generally speaking, the bipolar plate suitable for the proton exchange membrane fuel cell should have the following basic functions to improve the performance of the battery: (1) separate the oxidant and the reducing agent, and avoid the influence of crossover caused by hydrogen passing through the plate; (2) excellent mechanical strength, so that the bipolar plate can be in balanced contact with the MEA to collect current; Chemical reaction, and the product water can be taken away at the cathode, so as to avoid the phenomenon of water accumulation, which will reduce the performance of the battery; (4) good heat conduction performance, so that the temperature in the battery is uniform, and can achieve heat dissipation and temperature control effects; (5) excellent electrical conductivity to collect current output to the outside; Lower MEA touch The utilization rate of the medium and the resistance of the internal flow field are too high, which will also reduce the battery performance.
緣是，發明人有鑑於此，秉持多年該相關行業之豐富設計開發及實際製作經驗，針對現有之結構再予以研究改良，提供一種具奈米碳管紙之集電板製造方法，以期達到更佳實用價值性之目的者。 The reason is that, in view of this, the inventor has been adhering to many years of rich experience in design, development and actual production in this related industry, and then researched and improved the existing structure to provide a method of manufacturing a collector plate with carbon nanotube paper, in order to achieve better practical value.
本發明之主要目的在於提供一種具奈米碳管紙之集電板製造方法，其主要在使用上能獲得更佳的使用特性，進而提升產品競爭力，而在其整體施行使用上更增實用功效特性者。 The main purpose of the present invention is to provide a method for manufacturing a collector plate with carbon nanotube paper, which can obtain better use characteristics in use, thereby enhancing product competitiveness, and increase practical performance characteristics in its overall implementation and use.
1:奈米碳管紙 1: Carbon nanotube paper
2:基板 2: Substrate
3:黏著劑 3: Adhesive
第一圖：本發明之立體結構示意圖 Figure 1: Schematic diagram of the three-dimensional structure of the present invention
第二圖：本發明之組合動作剖視結構示意圖 Figure 2: Schematic diagram of the cross-sectional structure of the combined action of the present invention
第三圖：本發明之奈米碳管水溶液製作流程示意圖 Figure 3: Schematic diagram of the production process of the carbon nanotube aqueous solution of the present invention
第四圖：本發明之奈米碳管紙製作流程示意圖〔紙漿混合法〕 Figure 4: Schematic diagram of the production process of carbon nanotube paper of the present invention [pulp mixing method]
第五圖：本發明之奈米碳管紙另一製作流程示意圖〔真空過濾法〕 Figure 5: Schematic diagram of another production process of carbon nanotube paper of the present invention [vacuum filtration method]
第六圖：本發明之奈米碳管紙又一製作流程示意圖〔重複浸泡法〕 Figure 6: Schematic diagram of another manufacturing process of carbon nanotube paper of the present invention (repeated soaking method)
為令本發明所運用之技術內容、發明目的及其達成之功效有更完整且清楚的揭露，茲於下詳細說明之，並請一併參閱所揭之圖式及圖號： In order to have a more complete and clear disclosure of the technical content used in the present invention, the purpose of the invention and the effects achieved, it will be described in detail below, and please also refer to the disclosed drawings and drawing numbers:
首先，請參閱第一圖本發明之立體結構示意圖及第二圖本發明之組合動作剖視結構示意圖所示，本發明主要係包括有奈米碳管紙(1)及基板(2)；其中： First of all, please refer to the schematic diagram of the three-dimensional structure of the present invention in the first figure and the sectional structure schematic diagram of the combined action of the present invention in the second figure, the present invention mainly includes carbon nanotube paper (1) and substrate (2); wherein:
該奈米碳管紙(1)，其係於紙材上覆著結合有奈米碳管。 The carbon nanotube paper (1) is covered with carbon nanotubes on the paper material.
該基板(2)，其可為FR-4基板(2)，FR-4基板(2)係為一種熱固性工業層壓板，由連續長絲玻璃布材料和環氧樹脂黏合劑組成，具有高強度、優異的電性能和耐化學性的特性。 The substrate (2) may be an FR-4 substrate (2), and the FR-4 substrate (2) is a thermosetting industrial laminate composed of a continuous filament glass cloth material and an epoxy resin adhesive, and has the characteristics of high strength, excellent electrical properties and chemical resistance.
使得本發明於組設結合時，即可令該奈米碳管紙(1)與該基板(2)相結合，且於該奈米碳管紙(1)與該基板(2)之間利用黏著劑(3)進行黏合，該黏著劑(3)可為環氧樹脂〔Epoxy〕，再置入熱壓機〔Heat-pressed machine〕中，於設定該熱壓機之壓力與溫度後予以進行熱壓，讓該奈米碳管紙(1)與該基板(2)之間利用該黏著劑(3)確實結合固定，即可做為集電板使用。 When the present invention is assembled and combined, the carbon nanotube paper (1) can be combined with the substrate (2), and the carbon nanotube paper (1) and the substrate (2) can be bonded with an adhesive (3). The adhesive (3) between (2) can be firmly combined and fixed, and can be used as a collector plate.
而該奈米碳管紙(1)於製作上，其係先製備奈米碳管水溶液，請再一併參閱第三圖本發明之奈米碳管水溶液製作流程示意圖所示，該奈米碳管水溶液之製備包括下列步驟：A1.混合：將奈米碳管粉與純水依照比例進行混合； A2.添加：於經A1步驟混合後之水溶液中加入界面活性劑，該界面活性劑可為N-甲基吡咯烷〔NMP〕；A3.震盪：將經A2步驟處理後之水溶液放入超音波震盪機〔Ultrasonic oscillator〕中依固定的頻率震盪一段時間，以分散水溶液中的奈米碳管粉末；A4.離心：將經A3步驟處理後之水溶液以離心機〔Centrifuge〕利用固定轉速離心一段時間，以將水溶液中未溶解的粉末團聚集中；A5.取出：經A4步驟處理後之水溶液底部會團聚集中有沉殿物，取出上層懸浮液〔Suspension〕，即可獲得均勻分散的該奈米碳管水溶液，完成該奈米碳管水溶液之製備。 In the manufacture of the carbon nanotube paper (1), it is to prepare the carbon nanotube aqueous solution first, please refer to the third figure as shown in the schematic diagram of the production process of the carbon nanotube aqueous solution of the present invention, the preparation of the carbon nanotube aqueous solution includes the following steps: A1. Mixing: mix the carbon nanotube powder and pure water according to the proportion; A2. Addition: Add a surfactant to the aqueous solution mixed in step A1. The surfactant can be N-methylpyrrolidine [NMP]; A3. Oscillation: put the aqueous solution treated in step A2 into an ultrasonic oscillator [Ultrasonic oscillator] and vibrate for a period of time at a fixed frequency to disperse the carbon nanotube powder in the aqueous solution; Agglomerate the undissolved powder in the aqueous solution; A5. Take out: after the treatment in step A4, the bottom of the aqueous solution will be agglomerated with sediment, and the upper suspension [Suspension] can be taken out to obtain the uniformly dispersed carbon nanotube aqueous solution, and the preparation of the carbon nanotube aqueous solution is completed.
於完成該奈米碳管水溶液之製備後，即可進行該奈米碳管紙(1)之製作，該奈米碳管紙(1)之製作可利用三種方式，分別於下列進行說明： After the preparation of the carbon nanotube aqueous solution is completed, the carbon nanotube paper (1) can be produced. The carbon nanotube paper (1) can be produced in three ways, which are described below:
請再一併參閱第四圖本發明之奈米碳管紙製作流程示意圖〔紙漿混合法〕所示，其包括下列步驟：B1.混合：將奈米碳管水溶液與纖維紙漿進行混合，且予以利用攪拌機〔Blender〕均勻攪拌，以獲得混合液；B2.抄紙過濾：將該混合液予以進行抄紙過濾；B3.烘乾：經上述B2步驟後，予以送至真空烘箱〔Vacuum oven〕中烘乾，即可製得該奈米碳管紙(1)。 Please also refer to the fourth figure as shown in the schematic diagram of the carbon nanotube paper production process [pulp mixing method] of the present invention, which includes the following steps: B1. Mixing: mixing the carbon nanotube aqueous solution with the fiber pulp, and using a blender [Blender] to uniformly stir to obtain a mixed solution; B2. Papermaking filtration: the mixed solution is subjected to papermaking and filtration; B3. Drying: After the above-mentioned B2 step, it is sent to a vacuum oven [Vacuum] oven] to prepare the carbon nanotube paper (1).
另，請再一併參閱第五圖本發明之奈米碳管紙另一製作流程示意圖〔真空過濾法〕所示，其包括下列步驟：C1.真空過濾：將奈米碳管水溶液倒入一過濾瓶中，該過濾瓶底部設有開口，對應該開口設有過濾紙，且於該過濾紙另一端連接有真空泵〔Vacuum pump〕，以利用該真空泵持續的抽真空產生壓力差，進而產生吸力促使該奈米碳管水溶液通過該過濾紙，以於該過濾紙上附著奈米碳管水溶液；C2.烘乾：經上述C1步驟後，予以送至真空烘箱〔Vacuum oven〕中烘乾，即可製得該奈米碳管紙(1)。 In addition, please refer to Figure 5 for another schematic diagram of the production process of carbon nanotube paper of the present invention [vacuum filtration method], which includes the following steps: C1. Vacuum filtration: Pour the carbon nanotube aqueous solution into a filter bottle, the bottom of the filter bottle is provided with an opening, and a filter paper is provided corresponding to the opening, and a vacuum pump [Vacuum pump] is connected to the other end of the filter paper to use the vacuum pump to continuously evacuate to generate a pressure difference, and then generate suction to force the carbon nanotube aqueous solution to pass through the filter paper and put it on the filter paper Attach carbon nanotube aqueous solution; C2. Drying: After the above step C1, send it to a vacuum oven [Vacuum oven] for drying, and the carbon nanotube paper (1) can be obtained.
又，請再一併參閱第六圖本發明之奈米碳管紙又一製作流程示意圖〔重複浸泡法〕所示，其包括下列步驟：D1.浸泡：將纖維紙浸泡於奈米碳管水溶液中；D2烘乾：經上述D1步驟後，予以送至真空烘箱〔Vacuum oven〕中烘乾；D3.重覆處理：重覆上述D1與D2步驟數次，即可製得該奈米碳管紙(1)。 Also, please refer to Figure 6 for another schematic diagram of the production process of the carbon nanotube paper of the present invention [repeated soaking method], which includes the following steps: D1. soaking: soaking the fiber paper in the carbon nanotube aqueous solution; D2 drying: after the above-mentioned step of D1, it is sent to a vacuum oven for drying; D3. Repeating treatment: repeating the above-mentioned steps of D1 and D2 several times to obtain the carbon nanotube paper (1).
如此一來，使得於製得該奈米碳管紙(1)後，且將該奈米碳管紙(1)與基板(2)之間利用可為環氧樹脂〔Epoxy〕之黏著劑(3)進行黏合，並於熱壓機〔Heat-pressed machine〕設定壓力與溫度後予 以進行熱壓，讓該奈米碳管紙(1)與該基板(2)之間利用該黏著劑(3)確實結合固定，以做為集電板使用，而達到更佳的使用特性。 In this way, after the carbon nanotube paper (1) is prepared, the carbon nanotube paper (1) and the substrate (2) are bonded with an adhesive (3) that can be epoxy resin [Epoxy], and after setting the pressure and temperature in the heat-pressed machine [Heat-pressed machine] The carbon nanotube paper (1) and the substrate (2) are bonded and fixed by the adhesive (3) to be used as a collector plate to achieve better performance.
藉由以上所述，本發明之使用實施說明可知，本發明與現有技術手段相較之下，本發明主要係在使用上能獲得更佳的使用特性，進而提升產品競爭力，而在其整體施行使用上更增實用功效特性者。 From the above, the description of the use and implementation of the present invention shows that compared with the prior art means, the present invention is mainly able to obtain better use characteristics in use, thereby enhancing the competitiveness of products, and increasing the practical and functional characteristics in its overall implementation and use.
然而前述之實施例或圖式並非限定本發明之產品結構或使用方式，任何所屬技術領域中具有通常知識者之適當變化或修飾，皆應視為不脫離本發明之專利範疇。 However, the above-mentioned embodiments or drawings do not limit the product structure or usage of the present invention, and any appropriate changes or modifications by those with ordinary knowledge in the technical field shall be considered as not departing from the patent scope of the present invention.
綜上所述，本發明實施例確能達到所預期之使用功效，又其所揭露之具體構造，不僅未曾見諸於同類產品中，亦未曾公開於申請前，誠已完全符合專利法之規定與要求，爰依法提出發明專利之申請，懇請惠予審查，並賜准專利，則實感德便。 To sum up, the embodiment of the present invention can indeed achieve the expected use effect, and the specific structure disclosed by it has not only been seen in similar products, but also has not been disclosed before the application, and it has fully complied with the provisions and requirements of the Patent Law. It is really convenient to file an application for a patent for invention according to the law, and earnestly ask for the review and approval of the patent.
1:奈米碳管紙 1: Carbon nanotube paper
2:基板 2: Substrate
3:黏著劑 3: Adhesive
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